[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "6"]
[White "Checa, Nicolas D"]
[Black "Holt, Conrad"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2517"]
[BlackElo "2540"]
[PlyCount "121"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 b5 6. 0-0 Bb7 7. Nc3 e6 8. b3 b4 9. Na4 c3 10. Qc2 Nbd7 11. Rd1 Be7 12. a3 a5 13. Bf4 Nd5 14. Bc1 0-0 15. e4 N5b6 16. Nc5 Qc8 17. Nxb7 Qxb7 18. e5 a4 19. Ng5 g6 20. Ne4 Nd5 21. Nd6 Bxd6 22. exd6 Rfc8 23. Rb1 bxa3 24. Bxa3 Qa6 25. Bf1 axb3 26. Rxb3 Qa4 27. Bd3 Rcb8 28. Rdb1 Rb6 29. Bc5 Rxb3 30. Qxb3 Nxc5 31. dxc5 Qd4 32. d7 Qxc5 33. Ba6 Rd8 34. Bc8 c2 35. Rc1 Nb4 36. Qb2 Qe7 37. Qd4 c5 38. Qc4 e5 39. Qc3 h6 40. Qd2 h5 41. h3 Kg7 42. Qe3 Qd6 43. Kg2 Qd5+ 44. Kh2 Qd4 45. Qe2 Qd5 46. Qe3 Qd6 47. Qe2 Kf8 48. Qe3 Kg8 49. h4 Kg7 50. Qe2 Qd4 51. Kg2 Rxd7 52. Bxd7 Qd5+ 53. Kh2 Qxd7 54. Qxe5+ Kh7 55. Qxc5 Qd2 56. Qc4 Qxc1 57. Qxf7+ Kh8 58. Qf8+ Kh7 59. Qf7+ Kh8 60. Qf8+ Kh7 61. Qf7+ 1/2-1/2

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "4"]
[White "Checa, Nicolas D"]
[Black "Manukyan, Sargis A"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2517"]
[BlackElo "2158"]
[PlyCount "111"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 c5 6. dxc5 Na6 7. e3 Nxc5 8. Be2 0-0 9. 0-0 dxc4 10. Bxc4 a6 11. a4 b6 12. Qe2 Bb7 13. Rfd1 Qe8 14. h3 h6 15. b4 Nce4 16. Nxe4 Nxe4 17. Qb2 Bf6 18. Be5 Qe7 19. Bxf6 Qxf6 20. Qxf6 Nxf6 21. Rd6 Rac8 22. Ne5 b5 23. axb5 axb5 24. Bxb5 Nd5 25. Bc6 Ba8 26. b5 f6 27. Nd7 Rfd8 28. Bxa8 Rxa8 29. Rxa8 Rxa8 30. Rxe6 Kf7 31. Rd6 Nc3 32. b6 Ra1+ 33. Kh2 Rb1 34. Nc5 Rb5 35. b7 Ke8 36. Rc6 Na4 37. Rc8+ Ke7 38. Nxa4 Rxb7 39. Nc3 Ra7 40. Rc4 Kf7 41. g4 Kg6 42. Rc5 Kh7 43. Kg3 Ra6 44. h4 Ra7 45. h5 Rb7 46. Nd5 Ra7 47. Rc7 Ra6 48. f3 Rd6 49. e4 Ra6 50. Ne7 Ra8 51. Rc8 Ra3 52. Kf4 f5 53. gxf5 g5+ 54. fxg6+ Kg7 55. Nf5+ Kf6 56. Rc6# 1-0

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Piesik, Piotr"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2517"]
[BlackElo "2426"]
[PlyCount "126"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 Nfd7 10. Nxd7 Nxd7 11. e4 Bg6 12. Be3 e5 13. d5 Bc5 14. Bxc5 Nxc5 15. dxc6 bxc6 16. Qxd8+ Rxd8 17. Bc4 f6 18. Rd1 Ke7 19. Ke2 Rd4 20. b3 Rb8 21. Rb1 Bf7 22. Bxf7 Kxf7 23. Rb2 Rxb3 24. Rxb3 Nxb3 25. Rb1 Rb4 26. Ke3 Nc5 27. Rxb4 axb4 28. Na2 b3 29. Nc3 Ke7 30. Kd2 Kd6 31. Kc1 Kc7 32. Kb2 Kb6 33. Ka3 Ka5 34. h4 b2 35. h5 Nxa4 36. Nb1 c5 37. Kb3 Nb6 38. Kxb2 Kb4 39. Kc2 Kc4 40. Nc3 Kd4 41. Nb5+ Ke3 42. Nd6 Kf2 43. Ne8 Kxg2 44. Nxg7 Kxf3 45. Ne8 Nd7 46. Kd3 c4+ 47. Kxc4 Kxe4 48. Nd6+ Kf4 49. Kd5 Kg5 50. Ke6 Nc5+ 51. Kd5 Nd3 52. Ne4+ Kxh5 53. Nxf6+ Kg6 54. Nxh7 Kxh7 55. Ke4 Kg6 56. Kxd3 Kf5 57. Ke3 e4 58. Ke2 Kf4 59. Kf2 e3+ 60. Ke2 Ke4 61. Ke1 Kf3 62. Kf1 e2+ 63. Ke1 Ke3 1/2-1/2

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Tatarinov, Dmitry"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2517"]
[BlackElo "2310"]
[PlyCount "64"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. Bf4 0-0 7. Rc1 c6 8. e3 Nbd7 9. h3 b6 10. cxd5 Nxd5 11. Bh2 Nxc3 12. bxc3 Bb7 13. Bd3 c5 14. 0-0 Rc8 15. Qe2 Nf6 16. Ba6 Bxa6 17. Qxa6 Bd6 18. Ne5 Qe7 19. a4 Ne4 20. a5 bxa5 21. Qxa5 Nd2 22. Ra1 Nxf1 23. Kxf1 cxd4 24. cxd4 Rc7 25. Qa6 Rfc8 26. Ng6 Rc1+ 27. Ke2 hxg6 28. Bxd6 R8c2+ 29. Kd3 Qg5 30. Rxc1 Rxc1 31. g4 Qd5 32. Bb4 Qb3+ 0-1

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "5"]
[White "Hamitevici, Vladimir"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2493"]
[BlackElo "2517"]
[PlyCount "58"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Be7 3. Nf3 d5 4. d3 Nf6 5. Nbd2 b6 6. g3 dxe4 7. Nxe4 Bb7 8. Bg2 Nbd7 9. 0-0 0-0 10. Re1 c5 11. Nfd2 Qc7 12. Nc4 Nxe4 13. Bxe4 Bxe4 14. dxe4 b5 15. Na3 a6 16. c4 b4 17. Nc2 Ne5 18. Bf4 Bf6 19. g4 g5 20. Bg3 Qb6 21. Rad1 Rad8 22. b3 Rxd1 23. Rxd1 Rd8 24. f4 gxf4 25. Bxf4 Ng6 26. Bg3 Be5 27. Bxe5 Nxe5 28. Kg2 Qc7 29. h3 Ng6 0-1

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "1"]
[White "Haszon, David"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2264"]
[BlackElo "2517"]
[PlyCount "44"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. Qd3 c6 5. Nd2 e6 6. f3 Bf5 7. Qb3 Qb6 8. 0-0-0 Nbd7 9. g4 Bg6 10. h4 h5 11. g5 Ng8 12. c4 Ne7 13. Qxb6 axb6 14. a3 dxc4 15. Nxc4 Nd5 16. Nh3 b5 17. Ne5 Nxe5 18. dxe5 Bc5 19. Re1 Bf5 20. Rh2 b4 21. axb4 Ra1+ 22. Kd2 Bxb4+ 0-1

[Event "Titled Tuesday intern op 23rd May Late"]
[Site "Chess.com INT"]
[Date "2023.05.23"]
[Round "3"]
[White "Krallis, Christos"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2347"]
[BlackElo "2517"]
[PlyCount "143"]
[EventDate "2023.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Nc3 Bf5 6. Bd3 Bg6 7. 0-0 e6 8. b3 Nbd7 9. Bb2 Bb4 10. Ne2 0-0 11. Nf4 Bxd3 12. Nxd3 Bd6 13. Qc1 Re8 14. a4 h6 15. Ba3 Bc7 16. Rd1 Ne4 17. b4 b5 18. cxb5 cxb5 19. a5 Nd6 20. Nfe5 Nxe5 21. Nxe5 Nc4 22. Nxc4 bxc4 23. e4 Rb8 24. e5 Qd7 25. Qc3 Bd8 26. Bc1 Be7 27. Ba3 Rb5 28. Rdb1 Reb8 29. g3 Qe8 30. Rb2 Qf8 31. Rab1 f6 32. Qe3 fxe5 33. Qxe5 Qf6 34. Re2 Qxe5 35. Rxe5 Bxb4 36. Bxb4 Rxb4 37. Rxb4 Rxb4 38. Rxe6 c3 39. Re2 Rxd4 40. Rc2 Rc4 41. Kf1 d4 42. Ke2 Rb4 43. Kd3 Kf7 44. Re2 Rb2 45. Rxb2 cxb2 46. Kc2 Ke6 47. Kxb2 Kd5 48. Kc2 Kc4 49. f4 Kb4 50. g4 Kxa5 51. g5 hxg5 52. fxg5 Kb4 53. h4 a5 54. h5 a4 55. h6 a3 56. hxg7 d3+ 57. Kxd3 a2 58. g8Q a1Q 59. Qf8+ Kb5 60. Qf5+ Kc6 61. Ke4 Kd6 62. Qf4+ Ke6 63. Qf5+ Ke7 64. Qe5+ Qxe5+ 65. Kxe5 Kf7 66. Kf5 Kg7 67. g6 Kg8 68. Kg5 Kg7 69. Kh5 Kg8 70. Kh6 Kh8 71. g7+ Kg8 72. Kg6 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "Seattle"]
[Date "2023.01.06"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Theodorou, Nikolas"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2516"]
[BlackElo "2590"]
[PlyCount "49"]
[EventDate "2023.01.05"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Yale"]
[BlackTeam "St Louis Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 0-0 6. Nc3 d5 7. e3 Qe7 8. Rc1 dxc4 9. Bxc4 c5 10. 0-0 Rd8 11. Qc2 Nc6 12. dxc5 Qxc5 13. Ne4 Qf5 14. Nxf6+ Qxf6 15. Rfd1 Bd7 16. Qc3 Qxc3 17. Rxc3 Be8 18. Rdc1 Kf8 19. Kf1 Ke7 20. Ke2 h6 21. a3 a6 22. g4 Rac8 23. Bd3 Na7 24. Nd4 Rxc3 25. Rxc3 1/2-1/2

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.23"]
[Round "9"]
[White "Checa, Nicolas D"]
[Black "Gedajlovic, Max"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2526"]
[BlackElo "2316"]
[PlyCount "92"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 h6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 d5 8. Qc2 Nbd7 9. b3 b6 10. cxd5 Nxd5 11. Nc3 Ba6 12. Rfe1 c5 13. Nxd5 exd5 14. dxc5 bxc5 15. e4 d4 16. e5 Nb6 17. Qe4 Qd7 18. Nh4 Bxh4 19. Qxh4 Bb7 20. Bxb7 Qxb7 21. Rac1 Rac8 22. b4 c4 23. Qxd4 Rfd8 24. Qf4 Rd3 25. Be3 Nd5 26. Qe4 Qxb4 27. Bxh6 Rc6 28. Rb1 Qf8 29. Be3 Qc8 30. Bd4 Nb6 31. Rec1 Rd2 32. a4 c3 33. a5 c2 34. Ra1 Nd5 35. e6 fxe6 36. Be5 Qf8 37. Qe1 Qb4 38. Ra2 Rc4 39. Bd6 Re4 40. Bxb4 Rxe1+ 41. Rxe1 Nxb4 42. Rxc2 Rxc2 43. Rxe6 Rc5 44. h4 Rxa5 45. Kg2 Kf7 46. Rd6 Rd5 0-1

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.22"]
[Round "8"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2578"]
[BlackElo "2526"]
[PlyCount "106"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Qe2 h6 13. h3 Bc5 14. Nf5 0-0 15. Nxh6+ gxh6 16. Qf3 Be7 17. Bd3 Kh8 18. Bxh6 Rg8 19. Bd2 Qc6 20. Re4 Rg7 21. Bc3 Nxe4 22. Bxe4 Qb5 23. Qxf7 e5 24. Qh5+ Kg8 25. a4 Qc5 26. b4 Qd6 27. Bxe5 Qe6 28. Rd1 Qf7 29. Qh6 Rh7 30. Qb6 Be6 31. Bxh7+ Kxh7 32. Qxb7 Rg8 33. Rd3 Bc8 34. Qc7 Be6 35. Bd6 Bf6 36. Qxf7+ Bxf7 37. Rf3 Kg6 38. b5 axb5 39. Rg3+ Kf5 40. Rxg8 Bxg8 41. axb5 Bd4 42. Bc7 Ke4 43. b6 Bd5 44. Kf1 Bc4+ 45. Ke1 Ba6 46. h4 Bc3+ 47. Kd1 Bd4 48. f3+ Ke3 49. h5 Bb2 50. c4 Kd4 51. Kc2 Ba1 52. f4 Kxc4 53. Be5 Kd5 1-0

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.21"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Katz, Alexander R"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2526"]
[BlackElo "2412"]
[PlyCount "108"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nc3 dxc4 11. Nd2 Nd5 12. Nxc4 Ba6 13. Qa4 Bxc4 14. Qxc4 Rc8 15. Bd2 b5 16. Qb3 N7b6 17. Rfd1 Nc4 18. Be1 Qb6 19. Ne4 Rfd8 20. Qc2 Nb4 21. Bxb4 Bxb4 22. e3 Be7 23. Bf1 Nd6 24. Nc5 Nb7 25. b4 Nxc5 26. dxc5 Qc7 27. Bg2 a5 28. a3 g6 29. Bf3 Bf6 30. Rab1 Kf8 31. Qe4 Rxd1+ 32. Rxd1 axb4 33. axb4 Qe5 34. Qb1 Qb2 35. Qe4 Qe5 36. Qb1 Qb2 37. Qxb2 Bxb2 38. Rb1 Be5 39. Kf1 Ke7 40. Rb3 Kd7 41. Rd3+ Kc7 42. Ra3 Kd7 43. Ke2 f5 44. Kd2 Bb8 45. Ra6 Be5 46. Bg2 Bf6 47. Kc2 Be5 48. Ra3 g5 49. Ra7+ Rc7 50. Ra8 g4 51. h3 h5 52. f4 gxf3 53. Bxf3 Bxg3 54. Bxh5 Be1 1/2-1/2

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.20"]
[Round "5"]
[White "Checa, Nicolas D"]
[Black "Kenneskog, Theodor"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2526"]
[BlackElo "2293"]
[PlyCount "97"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 0-0-0 15. 0-0 b4 16. Rb1 Qa6 17. dxe6 Bxg2 18. e7 Bxf1 19. Kxf1 Bxe7 20. fxe7 Rdg8 21. Ne4 c3+ 22. Kg1 Rxg5 23. Nxg5 Qg6 24. bxc3 Qxg5 25. cxb4 Qxe7 26. Qf3 c4 27. Qa8+ Nb8 28. Rc1 Qe6 29. h4 Rh5 30. Qxa7 Re5 31. Kh2 Qd5 32. b5 Re2 33. Kg1 Rd2 34. b6 Rd1+ 35. Rxd1 Qxd1+ 36. Kh2 Qd6 37. Qxf7 Qc6 38. b7+ Qxb7 39. Qxc4+ Nc6 40. Qe6+ Kd8 41. h5 Ne7 42. Qf6 Qe4 43. h6 Kd7 44. Qf7 Qc6 45. h7 Qh6+ 46. Kg2 Qc6+ 47. Qf3 Qh6 48. Qe4 Ke8 49. Qa8+ 1-0

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.20"]
[Round "6"]
[White "Habans Aguerrea, Javier"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2359"]
[BlackElo "2526"]
[PlyCount "80"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Nd2 Nc6 5. c3 cxd4 6. exd4 h6 7. Bxf6 gxf6 8. Bb5 a6 9. Ba4 e5 10. Ne2 Bg4 11. Bxc6+ bxc6 12. Qa4 Qd7 13. Ng3 h5 14. h4 Bd6 15. 0-0 e4 16. Rfe1 f5 17. c4 Rg8 18. cxd5 cxd5 19. Qb3 Qb5 20. Kh1 Qxb3 21. Nxb3 f4 22. Nf1 Bd7 23. Nh2 Rg6 24. Rac1 Ke7 25. Nc5 Rag8 26. Rg1 Bxc5 27. dxc5 Bc6 28. Rcd1 Ke6 29. Nf1 f5 30. Kh2 Ke5 31. Nd2 Rg4 32. Kh3 f3 33. g3 f4 34. Rge1 fxg3 35. Nxf3+ Kf4 36. Nd4 gxf2 37. Rf1 e3 38. Nxc6 Rg3+ 39. Kh2 Rg2+ 40. Kh1 Kg3 0-1

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.19"]
[Round "4"]
[White "Checa, Nicolas D"]
[Black "Sorensen, Hampus"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2526"]
[BlackElo "2383"]
[PlyCount "88"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 Bb4 7. e3 h6 8. Bh4 g5 9. Bg3 Ne4 10. Nd2 Nxg3 11. hxg3 Nb6 12. Bd3 c6 13. a3 Bf8 14. b4 Bg7 15. Na4 Nxa4 16. Qxa4 0-0 17. Qc2 Re8 18. Nb3 Qd6 19. Bh7+ Kf8 20. Bf5 b6 21. 0-0 Be6 22. Rfc1 Rac8 23. Ra2 h5 24. Bxe6 Qxe6 25. Qe2 g4 26. Rc3 Bf6 27. Rac2 Kg7 28. Nc1 Rh8 29. Nd3 h4 30. Nf4 Qd7 31. b5 c5 32. dxc5 Bxc3 33. c6 Qf5 34. Rxc3 hxg3 35. Qd2 gxf2+ 36. Kxf2 Qe5 37. Qd4 f6 38. Qxe5 fxe5 39. Nxd5 e4 40. Kg3 Rh5 41. Ne7 Rc7 42. Kf4 Kf6 43. Ng8+ Kf7 44. Kxg4 Rh8 0-1

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.18"]
[Round "3"]
[White "Chandran, Kapil"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2360"]
[BlackElo "2526"]
[PlyCount "88"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. c3 Qf6 8. d4 Bxf3 9. Qxf3 Qxf3 10. gxf3 exd4 11. cxd4 0-0-0 12. Be3 g5 13. Nc3 Bh6 14. h4 g4 15. Kg2 f5 16. Rad1 Ne7 17. Rh1 gxf3+ 18. Kxf3 fxe4+ 19. Kxe4 Rhe8 20. Bg5 Rd6 21. f4 Re6+ 22. Kd3 Nf5 23. Bxh6 Rxh6 24. Rdg1 Re3+ 25. Kd2 Rf3 26. Ne2 Re6 27. Rg5 Nd6 28. Rg8+ Kd7 29. Rg7+ Kd8 30. Rg8+ Ke7 31. Rhg1 Rf2 32. R8g7+ Nf7 33. Re1 Kf6 34. Rg8 Nd6 35. b3 Kf7 36. Rh8 Nf5 37. Rxh5 Nxd4 38. f5 Nf3+ 39. Kc1 Rexe2 40. Rxe2 Rxe2 41. Rh7+ Kf6 42. Rxc7 Rxa2 43. Rxb7 Nd4 44. Kb1 Rh2 0-1

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.18"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Silva, Pedro Gil Ferreira"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2526"]
[BlackElo "2317"]
[PlyCount "67"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. a3 bxa3 7. Rxa3 0-0 8. Nc3 d6 9. e4 Nc6 10. Be2 e5 11. d5 Nb4 12. c5 Bg4 13. cxd6 Bxf3 14. Bxf3 Ne8 15. 0-0 Nxd6 16. Be2 a5 17. Nb5 Nxb5 18. Bxb5 Qd6 19. Rg3 f5 20. exf5 Rxf5 21. Qg4 Rf7 22. Qe6 Rd8 23. Re1 Kf8 24. Rxe5 Qxe6 25. dxe6 Rd1+ 26. Bf1 Rc7 27. Rf3+ Ke8 28. g3 Nc6 29. Ref5 Nd8 30. Kg2 Rd6 31. Bb5+ Ke7 32. Rf8 Kxe6 33. Re3+ Kd5 34. Rf5+ 1-0

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.17"]
[Round "1"]
[White "Alfonso Ruisanchez, Laritza"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2085"]
[BlackElo "2526"]
[PlyCount "65"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. 0-0 g5 9. dxc5 Bxc5 10. Nb3 Bf8 11. Bb5 Bg7 12. Re1 0-0 13. Bxc6 bxc6 14. h3 Qc7 15. Qe2 a5 16. Nbd2 f6 17. exf6 Rxf6 18. Nf1 e5 19. Ng3 e4 20. Nd4 Ba6 21. Qh5 Raf8 22. Be3 c5 23. Nc2 Ne5 24. h4 g4 25. Rad1 Bb7 26. b4 Bc6 27. Bxc5 Be8 28. Bxf8 Rxf8 29. Nd4 Bxh5 30. Ne6 Qf7 31. Nxf8 Bxf8 32. bxa5 Nd3 33. Ra1 0-1

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.10"]
[Round "9"]
[White "Zhou, Jianchao"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2583"]
[BlackElo "2533"]
[PlyCount "111"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. e3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bb5 a6 8. Bxc6+ bxc6 9. 0-0 Bd6 10. dxc5 Bxc5 11. b3 0-0 12. Bb2 Bd6 13. Rc1 Bg4 14. Ne2 Bxf3 15. gxf3 Rc8 16. Ng3 Re8 17. Qd3 a5 18. Rc2 Be5 19. Bxe5 Rxe5 20. Rfc1 Re6 21. Ne2 Nh5 22. Nd4 Rg6+ 23. Kf1 Qh4 24. Rxc6 Qh3+ 25. Ke2 Rf8 26. Qf5 Qxh2 27. Rxg6 hxg6 28. Qg4 Kh7 29. f4 Re8 30. Qf3 Nxf4+ 31. Kd2 Nh5 32. Qxf7 Nf6 33. Ke2 Ne4 34. Rc7 Qe5 35. Qf4 Qxf4 36. exf4 Nc3+ 37. Kd2 Nxa2 38. f3 Ra8 39. Ne6 Kh6 40. Nxg7 Rf8 41. Ne6 Rf6 42. Re7 Nb4 43. Re8 Kh7 44. Ke3 Nc2+ 45. Kd3 Ne1+ 46. Kd4 Ng2 47. Kxd5 Nxf4+ 48. Nxf4 Rxf4 49. Re3 Kh6 50. Re5 Rb4 51. Re3 g5 52. Ke5 Kh5 53. Kf6 Rf4+ 54. Kg7 Kh4 55. Kg6 Rb4 56. Re6 0-1

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.09"]
[Round "8"]
[White "Checa, Nicolas D"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2533"]
[BlackElo "2571"]
[PlyCount "86"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. cxd5 Qxd5 10. Qe5 Nb3 11. Rb1 0-0 12. e3 Bd7 13. Qxd5 exd5 14. Bd3 Rac8 15. Bd2 Ne4 16. Bb4 Rfe8 17. Bxe4 dxe4 18. Nd4 Nxd4 19. exd4 e3 20. fxe3 Bf5 21. Rd1 Bg4 22. Rb1 Rxe3+ 23. Kf2 Re2+ 24. Kg3 Bf5 25. Rhe1 Rec2 26. Re7 h5 27. h4 R8c6 28. d5 Rg6+ 29. Kf4 Rf2+ 30. Ke3 Rgxg2 31. d6 Re2+ 32. Kf4 Ref2+ 33. Ke3 Re2+ 34. Kf4 Bxb1 35. d7 Rgf2+ 36. Kg3 Rg2+ 37. Kf4 Rgf2+ 38. Kg3 Rg2+ 39. Kf4 g5+ 40. hxg5 Rgf2+ 41. Kg3 Rg2+ 42. Kf4 Rgf2+ 43. Kg3 Rg2+ 1/2-1/2

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.08"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Harutyunian, Tigran K"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2533"]
[BlackElo "2550"]
[PlyCount "119"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Rc1 b6 12. Bd3 Bb7 13. 0-0 Nd7 14. Qf4 h6 15. e5 Rc8 16. Nd2 Nc5 17. Bc4 b5 18. Bxb5 Qd5 19. Nf3 Ne4 20. Bd3 Ng5 21. h4 Qxf3 22. Qxf3 Nxf3+ 23. gxf3 Bxf3 24. Ba6 Rcd8 25. Rc3 Bh5 26. Rfc1 Rxd4 27. Rc4 Rfd8 28. Kg2 Rxc4 29. Rxc4 Rd5 30. Rc7 Rxe5 31. Rxa7 Bg6 32. f3 Ra5 33. Ra8+ Kh7 34. Bb7 Rb5 35. Ra7 Rb4 36. Kg3 Bc2 37. h5 Rb5 38. Bc6 Rxh5 39. Rxf7 Rg5+ 40. Kf4 Ra5 41. Re7 e5+ 42. Kg3 Rc5 43. Be8 Bg6 44. Ba4 h5 45. Bb3 Bf5 46. a4 Kh6 47. Rb7 e4 48. Rb5 Rc3 49. Rxf5 Rxb3 50. Rf4 exf3 51. Rxf3 Rb2 52. Ra3 g5 53. a5 h4+ 54. Kf3 Kh5 55. a6 g4+ 56. Kf4 Rf2+ 57. Ke5 Rf8 58. a7 Ra8 59. Kf4 g3 60. Kf3 1/2-1/2

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.07"]
[Round "6"]
[White "Vazquez, Guillermo"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2560"]
[BlackElo "2533"]
[PlyCount "81"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Bg4 8. cxd5 cxd5 9. Qb3 b6 10. Bd2 Ne4 11. Qc2 Nxd2 12. Nxd2 Bxe2 13. Nxe2 Nd7 14. Rac1 e5 15. dxe5 Nxe5 16. Nd4 Rc8 17. Qa4 Qe7 18. h3 Rxc1 19. Rxc1 Nd3 20. Rf1 Nxb2 21. Qb3 Bxd4 22. exd4 Nc4 23. Nxc4 dxc4 24. Qxc4 Rd8 25. Rd1 Qe4 26. Qc7 Rd5 27. Qxa7 Rxd4 28. Rxd4 Qxd4 29. g3 h5 30. h4 Kg7 31. Qb7 Qa1+ 32. Kg2 Qxa2 33. Qxb6 Qd5+ 34. Kg1 Qd1+ 35. Kg2 Qd5+ 36. Kg1 Qd1+ 37. Kg2 Qd5+ 38. Kh2 Qf3 39. Qd4+ Qf6 40. Qe3 Qf5 41. Qd4+ 1/2-1/2

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.06"]
[Round "5"]
[White "Checa, Nicolas D"]
[Black "Ali Marandi, Cemil Can"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2533"]
[BlackElo "2532"]
[PlyCount "86"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 b6 9. d5 Ne7 10. Nd2 Ne8 11. b4 c5 12. dxc6 Nxc6 13. b5 Nd4 14. Nb3 Nxe2+ 15. Qxe2 f5 16. exf5 gxf5 17. f4 Be6 18. Rad1 Qc7 19. Nd5 Qf7 20. Bc1 Nf6 21. Ne3 Ne4 22. Bb2 Rac8 23. Nd5 Rfe8 24. Qd3 Kh8 25. Kh1 Rg8 26. Rc1 Rce8 27. Ne3 Qh5 28. Kg1 Re7 29. Qd1 Qg6 30. Qf3 Rf7 31. Rcd1 exf4 32. Bxg7+ Rfxg7 33. Qxf4 Bxc4 34. Nd4 Bxf1 35. Rxf1 Ng5 36. Qh4 f4 37. Rxf4 Qb1+ 38. Rf1 Qxa2 39. Qg4 Ne6 40. Qe4 Qa4 41. Nef5 Rxg2+ 42. Kh1 Qa2 43. Qh4 Rg1+ 0-1

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.05"]
[Round "4"]
[White "Burke, John M"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2579"]
[BlackElo "2533"]
[PlyCount "119"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Qh4+ 16. g3 Qd8 17. Bb6 Qc8 18. Rc7 Qd8 19. Qe3 Bb4 20. a3 Be7 21. f5 0-0 22. 0-0 Bg5 23. Qd4 exf5 24. h4 Bh6 25. Nxd5 Be6 26. c4 Qb8 27. Ne7+ Kh8 28. Nxf5 Bxf5 29. Rxf5 Rd8 30. Qc5 Rd3 31. Kh2 Be3 32. Qc6 Bxb6 33. Rcxf7 Rd2+ 34. Kh3 Rd8 35. Rb7 Qc8 36. Qxc8 Raxc8 37. Rxb6 Rxc4 38. Rxa6 Kg8 39. Ra7 Rf8 40. Rxf8+ Kxf8 41. e6 Rc6 42. e7+ Ke8 43. g4 Rc3+ 44. Kg2 Rc4 45. Kg3 Rc3+ 46. Kf4 Rc4+ 47. Kf5 Rc5+ 48. Ke6 Rc6+ 49. Ke5 Rc4 50. Kd6 Rd4+ 51. Ke6 Re4+ 52. Kf5 Rc4 53. a4 Rc1 54. a5 Rf1+ 55. Ke4 Rg1 56. Kf3 Rf1+ 57. Ke2 Rf4 58. a6 Ra4 59. g5 Ra3 60. h5 1-0

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.04"]
[Round "3"]
[White "Checa, Nicolas D"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2533"]
[BlackElo "2548"]
[PlyCount "88"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. cxd5 exd5 7. a3 Bd6 8. Qc2 c5 9. dxc5 Bxc5 10. Nf3 Re8 11. 0-0 Bg4 12. Be2 Nbd7 13. b4 Bd6 14. Nb5 Bb8 15. Bb2 a6 16. Nbd4 Ne4 17. Nd2 Qh4 18. g3 Bxg3 19. fxg3 Nxg3 20. N2f3 Nxe2+ 21. Nxe2 Qe7 22. Bd4 Qe4 23. Qc7 Bxf3 24. Qg3 Ne5 25. Nc3 Qd3 26. Rxf3 Nxf3+ 27. Qxf3 Rad8 28. Rd1 Qc2 29. Kh1 Re6 30. Rf1 f6 31. Qg4 Rdd6 32. Rg1 g6 33. h4 Kf7 34. Qf4 Ke8 35. Qf3 Kf7 36. h5 Rd8 37. Rf1 f5 38. Qf4 Rc8 39. Rf2 Qc1+ 40. Rf1 Qc2 41. Rf2 Qc1+ 42. Rf1 Qc2 43. Rf2 Qc1+ 44. Rf1 Qc2 1/2-1/2

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.03"]
[Round "2"]
[White "Antipov, Mikhail Al"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2592"]
[BlackElo "2533"]
[PlyCount "80"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 h6 8. Bh4 Nbd7 9. Nge2 0-0 10. Qc2 Re8 11. f3 b5 12. 0-0 Bb7 13. Bf2 Rc8 14. Qd2 a6 15. Ng3 c5 16. dxc5 Bxc5 17. Bf5 Qb6 18. Bxd7 Nxd7 19. Nxd5 Bxd5 20. Qxd5 Nf6 21. Qd2 Rcd8 22. Qc2 Bxe3 23. Bxe3 Qxe3+ 24. Qf2 Rd2 25. Qxe3 Rxe3 26. Rf2 Red3 27. Nf1 Rd1 28. Rxd1 Rxd1 29. Rd2 Rxd2 30. Nxd2 Kf8 31. Kf2 Nd5 32. a3 Ke7 33. g3 Kd6 34. Ke2 f5 35. Kd3 Ne7 36. f4 Nc6 37. Nf1 g6 38. Ne3 a5 39. Ng2 Kd5 40. Nh4 Ne7 1/2-1/2

[Event "Saint Louis Summer-B"]
[Site "Saint Louis"]
[Date "2022.06.02"]
[Round "1"]
[White "Checa, Nicolas D"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2533"]
[BlackElo "2526"]
[PlyCount "78"]
[EventDate "2022.06.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "13"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 h6 8. Re1 Nbd7 9. Bf1 Re8 10. Rb1 exd4 11. Nxd4 c6 12. Bf4 Ne5 13. f3 a6 14. Qd2 g5 15. Be3 b5 16. b3 Nh5 17. Nf5 b4 18. Na4 Bxf5 19. exf5 g4 20. f4 g3 21. h3 Ng4 22. Bb6 Qh4 23. Qxd6 Red8 24. Qxc6 Nxf4 25. Rbd1 Rdc8 26. Qd6 Nf2 27. c5 Re8 28. Rxe8+ Rxe8 29. Qd7 Re7 30. Qd8+ Kh7 31. c6 N2xh3+ 32. gxh3 g2 33. Bxg2 Re1+ 34. Kh2 Be5 35. Bd4 Qxd8 36. Bxe5 Rxd1 37. Bxf4 Qd4 38. Kg3 Rd3+ 39. Kg4 Qg7+ 0-1

[Event "Pan American Intercollegiate-chT"]
[Site "Dulles"]
[Date "2022.01.09"]
[Round "6.1"]
[White "Sorokin, Aleksey"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2536"]
[BlackElo "2531"]
[PlyCount "31"]
[EventDate "2022.01.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Texas Tech Univ"]
[BlackTeam "Yale"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Be2 Ke7 10. Ne5 Nbd7 11. Nd3 Bd6 12. Nd2 Nc5 13. Nc4 Nxd3 14. Nxd6 Nxc1 15. Nxc8+ Raxc8 16. Rfxc1 1/2-1/2

[Event "Pan American Intercollegiate-chT"]
[Site "Dulles"]
[Date "2022.01.08"]
[Round "5.1"]
[White "Checa, Nicolas D"]
[Black "Carey, Aidan M"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2531"]
[BlackElo "1795"]
[PlyCount "65"]
[EventDate "2022.01.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Yale"]
[BlackTeam "Illinois Urbana Champain II"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. h4 d5 5. Bg5 f6 6. Bf4 Ne7 7. Nf3 0-0 8. e3 Nd7 9. cxd5 exd5 10. Nb5 Nb6 11. Nxc7 Rb8 12. Nxd5 Nbxd5 13. Bxb8 Bg4 14. Bg3 Nf5 15. Bc4 Kh8 16. Bxd5 Qxd5 17. 0-0 Re8 18. Rc1 Bh6 19. Rc5 Qxa2 20. Qc2 Bxf3 21. gxf3 Nxg3 22. Rc8 Qe6 23. Rxe8+ Qxe8 24. fxg3 Bxe3+ 25. Kg2 Bxd4 26. Rd1 Bb6 27. Qe4 Qb5 28. Rd2 Qc5 29. Kh3 Qb5 30. Qe2 Qc5 31. Qe6 Qc6 32. Qe7 Qb5 33. Qf8# 1-0

[Event "Pan American Intercollegiate-chT"]
[Site "Dulles"]
[Date "2022.01.08"]
[Round "4.1"]
[White "Hullahalli, Adarsh"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1910"]
[BlackElo "2531"]
[PlyCount "44"]
[EventDate "2022.01.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Texas Austin Univ II"]
[BlackTeam "Yale"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Nc6 5. a3 Ba5 6. b4 Bb6 7. Be3 Nge7 8. exd5 exd5 9. Ng3 Nf5 10. Nxf5 Bxf5 11. Bd3 Qd7 12. 0-0 0-0 13. Na4 Bxd3 14. Qxd3 Rfe8 15. Rad1 Rad8 16. c3 Re6 17. Qc2 Rg6 18. Bf4 h5 19. f3 Re8 20. Rfe1 Ree6 21. Bg3 Qe7 22. Qf5 Rxg3 0-1

[Event "Pan American Intercollegiate-chT"]
[Site "Dulles"]
[Date "2022.01.07"]
[Round "3.1"]
[White "Checa, Nicolas D"]
[Black "Vazquez, Guillermo"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2531"]
[BlackElo "2536"]
[PlyCount "146"]
[EventDate "2022.01.06"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Yale"]
[BlackTeam "Texas Dallas Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Qc2 Nf6 7. Bg5 Be6 8. e3 h6 9. Bh4 Nbd7 10. Bd3 Bd6 11. 0-0 0-0 12. Na4 Qc7 13. Bg3 Bxg3 14. hxg3 a5 15. a3 Qd6 16. Rfc1 Rfc8 17. Rab1 b6 18. b4 axb4 19. axb4 Ng4 20. Qd1 g6 21. Nc3 Kg7 22. b5 c5 23. e4 cxd4 24. Nxd4 Ngf6 25. Nxe6+ Qxe6 26. Nxd5 Rxc1 27. Rxc1 Nxd5 28. exd5 Qxd5 29. Bxg6 Qxd1+ 30. Rxd1 Nc5 31. Bh5 Ra5 32. Be2 Ne4 33. Rd4 Nc3 34. Bc4 Ra4 35. Rf4 f6 36. Rh4 Rb4 37. Bd3 Rb2 38. Rg4+ Kf7 39. Bc4+ Ke7 40. Rg7+ Kd6 41. Rf7 Kc5 42. Be6 Ne4 43. f3 Nxg3 44. Rxf6 Kxb5 45. Rxh6 Ne2+ 46. Kh2 Kc5 47. Rh4 b5 48. Re4 Nc3 49. Re1 Ne2 50. Bf5 b4 51. Bd3 Nd4 52. Kh3 b3 53. Be4 Rf2 54. Rc1+ Kd6 55. Rc4 Ke5 56. Rc5+ Kf6 57. Rd5 Rd2 58. Rd6+ Ke5 59. Rd5+ Ke6 60. Ra5 b2 61. Ra6+ Ke5 62. Rb6 Kf4 63. Rb8 Ke3 64. Kg3 Ne2+ 65. Kh4 Nc3 66. g4 Nxe4 67. fxe4 Kxe4 68. g5 Kf5 69. Rb5+ Kg6 70. Rb6+ Kg7 71. Kh5 Rh2+ 72. Kg4 Rg2+ 73. Kh5 Rh2+ 1/2-1/2

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.28"]
[Round "9"]
[White "Aaron, Deepak"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2275"]
[BlackElo "2545"]
[PlyCount "30"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Qe2 Nf6 8. Nb3 Nc6 9. Bg5 Be7 10. 0-0-0 0-0 11. Nbxd4 Nxd4 12. Rxd4 Qc7 13. Rhd1 a6 14. Ne5 b5 15. Bd3 g6 1/2-1/2

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.28"]
[Round "8"]
[White "Checa, Nicolas D"]
[Black "Vanapalli, Vishnu Surya"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2545"]
[BlackElo "1914"]
[PlyCount "116"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. Rc1 c5 7. dxc5 dxc4 8. Qxd8 Rxd8 9. e3 Nd5 10. Bxc4 Nxf4 11. exf4 Bxc5 12. Ke2 Nc6 13. Rhd1 Bd7 14. Ne4 Be7 15. a3 Be8 16. Rxd8 Rxd8 17. Bd3 Kf8 18. Nc5 Bf6 19. Rc2 b6 20. Ne4 Nd4+ 21. Nxd4 Bxd4 22. b3 a5 23. a4 e5 24. f5 Bd7 25. g4 g6 26. Nf6 Ke7 27. Nxh7 Rh8 28. f6+ Kd6 29. Ng5 Bxg4+ 30. Kf1 Be6 31. Nxe6 Kxe6 32. Rc6+ Kd7 33. Bb5 Rh7 34. h3 Rxh3 35. Kg1 Rh4 36. Rxb6+ Kc7 37. Rc6+ Kb7 38. Rd6 Rf4 39. Rd7+ Kb6 40. Rxf7 Rxf2 41. Kh1 e4 42. Re7 e3 43. f7 Bc5 44. Re6+ Kb7 45. Re5 Bd6 46. Rxe3 Rxf7 47. Re6 Bf8 48. Bc4 Rf2 49. Rxg6 Bb4 50. Bd5+ Kc7 51. Rc6+ Kd7 52. Ra6 Rd2 53. Bc4 Kc7 54. Kg1 Bc5+ 55. Kf1 Bb6 56. Ra8 Rd8 57. Rxd8 Kxd8 58. Ke2 Bc5 1/2-1/2

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.27"]
[Round "6"]
[White "Checa, Nicolas D"]
[Black "Guo, Arthur"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2545"]
[BlackElo "2422"]
[PlyCount "133"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 d4 5. 0-0 Nc6 6. d3 e5 7. b4 Bxb4 8. Nxe5 Nxe5 9. Qa4+ Nc6 10. Bxc6+ bxc6 11. Qxb4 Nd7 12. c5 Nf6 13. Nd2 0-0 14. Nf3 Bg4 15. Nxd4 Qd5 16. Qc4 Qxc4 17. dxc4 Rfe8 18. f3 Be6 19. Nxe6 Rxe6 20. e4 Nd7 21. Bf4 Rc8 22. Rfd1 Ne5 23. Rf1 Nd7 24. Rfd1 Ne5 25. Kf2 Nxc4 26. Rab1 h6 27. h4 a5 28. Rb7 Re7 29. Rd4 Ne5 30. Ke3 Ra8 31. g4 a4 32. a3 f6 33. Rbb4 Ra5 34. Rxa4 Rxc5 35. Bxe5 fxe5 36. Rdc4 Rb5 37. Rab4 Ra5 38. a4 Ra6 39. Rc5 Kf7 40. Rbc4 Re6 41. f4 exf4+ 42. Kxf4 Rf6+ 43. Ke3 Rd6 44. e5 Re6 45. Ke4 g6 46. a5 Re7 47. Rc1 Kg7 48. Rf1 Rf7 49. Rxf7+ Kxf7 50. h5 Kg7 51. hxg6 Kxg6 52. Kf4 Kg7 53. Kf5 Kf7 54. e6+ Ke7 55. Kg6 Kxe6 56. Kxh6 Kd6 57. Rf5 Ke6 58. Kg6 Ke7 59. g5 c5+ 60. Kh7 Rxa5 61. g6 Ra1 62. Rxc5 Rh1+ 63. Kg8 Rg1 64. g7 Rh1 65. Rxc7+ Ke8 66. Rc4 Re1 67. Rh4 1-0

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.27"]
[Round "7"]
[White "Kevlishvili, Robby"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2494"]
[BlackElo "2545"]
[PlyCount "45"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Bd6 9. Qe2 Qc7 10. Nf3 dxe4 11. Qxe4 Nf6 12. Qh4 h6 13. 0-0 c5 14. Re1 Ke7 15. Nd2 g5 16. Qh3 Rag8 17. Nc4 Bf4 18. b3 Bc6 19. Bb2 g4 20. Qh4 Bg5 21. Qg3 Bf4 22. Qh4 Bg5 23. Qg3 1/2-1/2

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.26"]
[Round "5"]
[White "Ngo, Bach"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2306"]
[BlackElo "2545"]
[PlyCount "182"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. Bb2 Bb7 10. 0-0 Qe7 11. Rad1 c5 12. cxd5 exd5 13. dxc5 bxc5 14. Rc1 Rac8 15. Qf5 Qe6 16. Bd3 h6 17. Ne2 Rfe8 18. Ng3 a5 19. Rfd1 a4 20. Qxe6 fxe6 21. Bb5 Bc6 22. bxa4 Bxb5 23. axb5 Ra8 24. Bxf6 gxf6 25. Ne4 Be7 26. Nc3 f5 27. Nxd5 exd5 28. Rxd5 Nb6 29. Rxf5 Rxa2 30. Ne5 c4 31. h4 Ba3 32. Rd1 c3 33. Rd4 Re7 34. Nd3 Rf7 35. Re5 Rd7 36. Re6 Rxd4 37. exd4 Nd5 38. b6 Rb2 39. Nxb2 cxb2 40. Re1 Nxb6 41. g4 Nd5 42. Kg2 Nc3 43. Re8+ Kf7 44. Rb8 b1Q 45. Rxb1 Nxb1 46. f4 Bb2 47. h5 Bxd4 48. g5 hxg5 49. fxg5 Be3 50. h6 Bxg5 51. h7 Kg7 52. Kf3 Nc3 53. Kg4 Bf6 54. Kf5 Bd4 55. h8Q+ Kxh8 56. Ke6 Kg7 57. Ke7 Kg6 58. Ke6 Kg5 59. Kd6 Kf6 60. Kd7 Bc5 61. Kc6 Bb4 62. Kd7 Ke5 63. Kc7 Kd5 64. Kb6 Kd6 65. Kb7 Ba5 66. Ka6 Bc7 67. Kb7 Kd7 68. Ka6 Kc6 69. Ka7 Nd5 70. Ka8 Nb6+ 71. Ka7 Bf4 72. Ka6 Bb8 73. Ka5 Nd5 74. Ka4 Kc5 75. Kb3 Nb4 76. Kc3 Bf4 77. Kb3 Be5 78. Ka4 Kc4 79. Ka5 Bc7+ 80. Ka4 Bb6 81. Ka3 Nd3 82. Ka4 Nb2+ 83. Ka3 Kc3 84. Ka2 Nc4 85. Kb1 Be3 86. Ka2 Kc2 87. Ka1 Bc1 88. Ka2 Nb6 89. Ka1 Na4 90. Ka2 Nc3+ 91. Ka1 Bb2# 0-1

[Event "US Masters"]
[Site "Charlotte"]
[Date "2021.11.24"]
[Round "1"]
[White "Park, Evan"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2168"]
[BlackElo "2545"]
[PlyCount "113"]
[EventDate "2021.11.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bxc3+ 6. bxc3 Qd7 7. h4 Ba6 8. Bxa6 Nxa6 9. a4 Ne7 10. Ne2 Nb8 11. Nf4 Nbc6 12. Nh5 Rg8 13. Bh6 Kf8 14. Nf6 Qc8 15. Nxg8 Kxg8 16. Bg5 Qa6 17. Qd3 Qc4 18. Bxe7 Nxe7 19. a5 b5 20. a6 Qc6 21. h5 h6 22. 0-0 Qd7 23. f4 Rf8 24. Rab1 c6 25. g4 f5 26. exf6 Rxf6 27. Qe2 Nc8 28. g5 Rf5 29. Rbe1 Kf7 30. gxh6 gxh6 31. Qg4 Nd6 32. Re2 Rf6 33. Rfe1 Qc8 34. Rg2 Nf5 35. Re5 Ke7 36. Rxf5 Rxf5 37. Qg7+ Rf7 38. Qxh6 Qxa6 39. Kh2 b4 40. Qg5+ Kd7 41. Qg6 Ke7 42. Qg5+ Kd7 43. Qg8 Ke7 44. Qb8 Qb6 45. Qe5 c5 46. h6 cxd4 47. cxd4 Qd6 48. Qxd6+ Kxd6 49. Rg7 Rxf4 50. h7 Rh4+ 51. Kg3 Rh1 52. Rxa7 e5 53. Ra6+ Kc7 54. Ra8 Rxh7 55. Ra7+ Kc6 56. Rxh7 exd4 57. Kf3 1-0

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.25"]
[Round "9"]
[White "Checa, Nicolas D"]
[Black "Yoo, Christopher Woojin"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2552"]
[BlackElo "2479"]
[PlyCount "123"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Qd7 8. Qa3 0-0 9. Nf3 Re8 10. Be3 b6 11. Rd1 Bb7 12. Bd3 c5 13. 0-0 Qc7 14. d5 c4 15. Bc2 a6 16. Qb4 Nd7 17. Rb1 a5 18. Qa3 e6 19. d6 Qd8 20. Nd2 Bc6 21. Ba4 Rc8 22. Nxc4 b5 23. Rxb5 Bxb5 24. Bxb5 Rf8 25. Rc1 Qh4 26. Nd2 Nf6 27. c4 Rb8 28. Qd3 Ng4 29. Nf3 Qh5 30. Bd4 Ne5 31. Nxe5 Bxe5 32. Bxe5 Qxe5 33. c5 Rfd8 34. a4 Rbc8 35. Qe3 f5 36. f4 Qxe4 37. Qxe4 fxe4 38. Ba6 Rc6 39. Bb7 Rdxd6 40. Bxc6 Rxc6 41. Kf2 Kf7 42. Ke3 Ke7 43. Kxe4 Rc8 44. c6 Kd6 45. c7 h6 46. g4 g5 47. f5 exf5+ 48. Kxf5 Kd7 49. Kg6 Rg8+ 50. Kh7 Rc8 51. Kxh6 Rh8+ 52. Kxg5 Kc8 53. h4 Rg8+ 54. Kf4 Rf8+ 55. Kg3 Rf6 56. g5 Rb6 57. h5 Rb3+ 58. Kg4 Rb4+ 59. Kf5 Rxa4 60. g6 Rh4 61. g7 Rxh5+ 62. Kg6 1-0

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.24"]
[Round "8"]
[White "Wang, Justin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2467"]
[BlackElo "2552"]
[PlyCount "93"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Ne5 Bf5 7. cxd5 Qxb3 8. axb3 Nxd5 9. Bd2 Nd7 10. Bd3 e6 11. Bxf5 exf5 12. Nd3 Bd6 13. Na3 0-0 14. Nc4 Be7 15. Na5 Rab8 16. b4 Rfe8 17. g3 N7f6 18. Ke2 Ne4 19. Be1 Nd6 20. Kf3 Bd8 21. Bc3 Bxa5 22. bxa5 Ne4 23. Ra3 b6 24. Rc1 c5 25. axb6 axb6 26. dxc5 Ndxc3 27. bxc3 bxc5 28. c4 Ra8 29. Rxa8 Rxa8 30. Rc2 Ra3 31. Ke2 Nc3+ 32. Kd2 Ne4+ 33. Ke2 g6 34. f3 Nc3+ 35. Kd2 Nb1+ 36. Ke2 Nc3+ 37. Kd2 Na4 38. Nc1 Kg7 39. Ra2 Nb6 40. Rxa3 Nxc4+ 41. Kc3 Nxa3 42. Kb3 Nb1 43. Kc2 Na3+ 44. Kb3 Nb5 45. Kc4 Nc7 46. Nd3 Ne6 47. f4 1/2-1/2

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.23"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Li, Ben"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2552"]
[BlackElo "2376"]
[PlyCount "150"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Nbd7 7. e3 c5 8. Bd3 Qa5 9. Qc2 c4 10. Bf5 0-0 11. 0-0 Re8 12. Nd2 g6 13. Bh3 Kg7 14. a3 Bxc3 15. Qxc3 Qxc3 16. bxc3 h6 17. Bxf6+ Nxf6 18. Bxc8 Raxc8 19. Rfb1 Rc7 20. a4 Re6 21. Rb4 b6 22. Kf1 g5 23. Ke2 h5 24. h4 g4 25. f3 Rce7 26. Nf1 Ne8 27. a5 Nd6 28. axb6 axb6 29. Rxb6 Nf5 30. Rxe6 fxe6 31. fxg4 hxg4 32. e4 dxe4 33. Ne3 Nxh4 34. Ra5 Rb7 35. Rg5+ Kf6 36. Rxg4 Rb2+ 37. Kd1 Nf5 38. Nxc4 Rf2 39. Rxe4 Rxg2 40. Re2 Rg4 41. Ne5 Rg3 42. Kd2 Ke7 43. Nc4 Rg4 44. Kd3 Rg3+ 45. Kc2 Kd7 46. Re4 Rh3 47. Kb3 Nd6 48. Ne5+ Kc7 49. Rf4 Nb5 50. Rf7+ Kb6 51. Rf3 Rxf3 52. Nxf3 Kc6 53. Kc4 Nd6+ 54. Kd3 Kd5 55. Ne5 Nf5 56. Ng6 Kd6 57. c4 Kc6 58. Nf4 Kd6 59. c5+ Kd7 60. Ke4 Ne7 61. Nd3 Kc7 62. Ne5 Kd8 63. Nf7+ Ke8 64. Ng5 Kd7 65. Nf3 Kc7 66. Ke5 Kd7 67. Kf6 Nd5+ 68. Kf7 Nf4 69. Ne5+ Kc7 70. Ke7 Ne2 71. Nf3 Kc6 72. Ne5+ Kc7 73. Nf3 Kc6 74. Kxe6 Nxd4+ 75. Nxd4+ Kxc5 1/2-1/2

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.22"]
[Round "6"]
[White "Burke, John M"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2538"]
[BlackElo "2552"]
[PlyCount "63"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nxf6+ Qxf6 8. Qd3 0-0 9. 0-0-0 Rd8 10. Qc3 e5 11. Nf3 exd4 12. Rxd4 Rxd4 13. Nxd4 Nc6 14. Nxc6 Qxc3 15. bxc3 bxc6 16. Bc4 Kf8 17. Re1 Bd7 18. Re5 a5 19. Kb2 f6 20. Rh5 h6 21. Rh4 Ke7 22. Re4+ Kd6 23. Rd4+ Ke7 24. Be2 Be6 25. Ka3 Rb8 26. Ra4 Ra8 27. Rd4 Rb8 28. Bc4 Bxc4 29. Rxc4 Kd6 30. Rd4+ Ke6 31. Re4+ Kd6 32. Rd4+ 1/2-1/2

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.20"]
[Round "5"]
[White "Checa, Nicolas D"]
[Black "Hong, Andrew Z"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2552"]
[BlackElo "2474"]
[PlyCount "93"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Nc3 b5 8. Bb3 Bb7 9. e4 cxd4 10. Nxd4 Bd6 11. Bxe6 fxe6 12. Nxe6 Qd7 13. Nxg7+ Qxg7 14. Qxd6 Rg8 15. g3 Nc6 16. Nd5 Nxd5 17. exd5 Qe7 18. Qh6 Nd4 19. Qh5+ Rg6 20. Be3 Nc2 21. Rac1 Rc8 22. Bd2 Qd7 23. Bc3 b4 24. Rxc2 bxc3 25. Re1+ Kf8 26. Re5 cxb2 27. Rxb2 Rf6 28. Qg5 Rf7 29. Rb4 Qd6 30. Rxb7 Rxb7 31. Qf5+ Kg7 32. Qg4+ Qg6 33. Qxc8 Rf7 34. Qc3 Kf8 35. Re6 Qb1+ 36. Kg2 Kg8 37. Re8+ Rf8 38. Rxf8+ Kxf8 39. Qc8+ Kg7 40. Qd7+ Kf8 41. Qd6+ Kg7 42. Qe7+ Kg6 43. d6 Qxa2 44. Qe4+ Kf7 45. d7 Qd2 46. Qe8+ Kg7 47. d8Q 1-0

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.19"]
[Round "4"]
[White "Balakrishnan, Praveen"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2507"]
[BlackElo "2552"]
[PlyCount "98"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 b5 10. Be2 Ke7 11. b4 Bd6 12. Bb2 Bb7 13. Be5 Bxe5 14. Nxe5 Nbd7 15. Nxd7 Nxd7 16. Nd2 Rhc8 17. Rdc1 Nb6 18. f3 f5 19. Kf2 e5 20. Nb3 Na4 21. Rxc8 Rxc8 22. Rc1 Kd6 23. Rxc8 Bxc8 24. e4 Be6 25. Nd2 f4 26. Bd1 Nb6 27. Ke2 g5 28. h3 h6 29. Bc2 Kc6 30. Bd1 Bc4+ 31. Ke1 Be6 32. Bc2 Nc8 33. Bb3 Bxb3 34. Nxb3 Nd6 35. Na5+ Kb6 36. Kd2 h5 37. Kd3 Kc7 38. Ke2 g4 39. hxg4 hxg4 40. Kd3 g3 41. Ke2 Kd7 42. Kd3 Nc8 43. Ke2 Nb6 44. Kd3 Kc7 45. Ke2 Na4 46. Kd3 Nb2+ 47. Kc2 Na4 48. Kd3 Nb2+ 49. Kc2 Na4 1/2-1/2

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.18"]
[Round "3"]
[White "Niemann, Hans Moke"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2571"]
[BlackElo "2552"]
[PlyCount "59"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Nxf6 8. Bd3 c5 9. dxc5 Qa5+ 10. c3 Qxc5 11. Qe2 0-0 12. 0-0-0 Ng4 13. Bxe7 Qxe7 14. Qe4 Nf6 15. Qh4 Re8 16. g4 g6 17. g5 Nd5 18. Ne5 f6 19. Nxg6 hxg6 20. Bxg6 fxg5 21. Qh6 Bd7 22. Bxe8 Qxe8 23. Rhg1 Kf7 24. Rxg5 Qh8 25. Qg6+ Ke7 26. Rh5 Qf8 27. Rh7+ Kd8 28. Rf7 Qh8 29. Rxd5 exd5 30. Qd6 1-0

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.17"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Brodsky, David"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2552"]
[BlackElo "2455"]
[PlyCount "66"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 c6 8. 0-0 d5 9. Bf4 dxc4 10. Ne5 Nd5 11. Nxc4 Nxf4 12. gxf4 0-0 13. e3 Nd7 14. Qc2 Qc7 15. Rfd1 Rac8 16. Rac1 Rfd8 17. a3 Nf6 18. Ne5 c5 19. dxc5 Bxg2 20. Kxg2 Bxc5 21. Rxd8+ Rxd8 22. Qa4 Rd2 23. Nc4 Rd7 24. b4 Bf8 25. Ne5 Rd2 26. Qa6 Nd5 27. Nxd5 Qxc1 28. Qxa7 Rxf2+ 29. Kxf2 Qd2+ 30. Kf3 Qd1+ 31. Kg2 Qe2+ 32. Kg3 Qe1+ 33. Kf3 Qd1+ 1/2-1/2

[Event "USA-ch U20"]
[Site "Saint Louis"]
[Date "2021.07.16"]
[Round "1"]
[White "Jacobson, Brandon"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2504"]
[BlackElo "2552"]
[PlyCount "94"]
[EventDate "2021.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "10"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. b3 0-0 6. Bb2 b6 7. cxd5 exd5 8. d4 c5 9. Bd3 Nc6 10. dxc5 bxc5 11. 0-0 Bb7 12. Rc1 Qa5 13. Na4 Ne4 14. Bxe4 dxe4 15. Ne5 Nxe5 16. Bxe5 c4 17. Bc3 Qg5 18. bxc4 Rad8 19. Qc2 Rd6 20. Qe2 Rg6 21. g3 Rh6 22. Rfd1 Bc8 23. Rd5 Qg6 24. f4 exf3 25. Qxf3 Bb7 26. e4 Bxd5 27. exd5 Bg5 28. Rf1 Qc2 29. h4 Bf6 30. Qd1 Qg6 31. Qf3 Qc2 32. Qd1 Qg6 33. Qf3 Bxh4 34. Be5 Bg5 35. Nc3 Qc2 36. Rf2 Qc1+ 37. Rf1 Qd2 38. Ne2 Ra6 39. a3 Be3+ 40. Kh1 Bc5 41. Qg4 Rh6+ 42. Kg2 Rg6 43. Qf3 Ra6 44. Qg4 g6 45. Bc3 Qd3 46. Bb4 Bxb4 47. axb4 h5 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.12"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "80"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. g3 Bd6 6. Bg2 0-0 7. 0-0 Nc6 8. e3 dxc4 9. Nd2 e5 10. d5 Na5 11. Qe2 Bg4 12. f3 Bd7 13. Nxc4 Nxc4 14. Qxc4 c6 15. Rd1 cxd5 16. Nxd5 Be6 17. Nxf6+ Qxf6 18. Qb5 Qe7 19. Bd2 a6 20. Qe2 Rac8 21. Bc3 Bb4 22. Bxb4 Qxb4 23. f4 exf4 24. exf4 Qb6+ 25. Kh1 Rfe8 26. Rac1 Bxa2 27. Rxc8 Rxc8 28. b3 Bxb3 29. Rb1 Bd5 30. Rd1 Bxg2+ 31. Qxg2 Qb3 32. Re1 a5 33. f5 a4 34. f6 a3 35. Qe4 Qe6 36. Qb4 Qc6+ 37. Kg1 a2 38. Qb2 Qc2 39. Qe5 Qc5+ 40. Qxc5 Rxc5 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.14"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "52"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 c6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Re8 12. Nd2 Bxg3 13. hxg3 Nbd7 14. b4 Ng4 15. b5 Qg5 16. Nf3 Qh5 17. bxc6 bxc6 18. Rfc1 Qh1+ 19. Kxh1 Nxf2+ 20. Kg1 Nxd3 21. Rc2 Rxe3 22. Rb1 Nb6 23. Ne2 Nc4 24. Rb3 Rae8 25. Kf1 g5 26. g4 R8e4 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.16"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "146"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 c6 8. Qc2 Na6 9. e3 Nb4 10. Qb1 g6 11. Qd1 Bf5 12. Rc1 Bxg3 13. hxg3 a5 14. a3 Na6 15. Ne5 Be6 16. Bd3 Nb8 17. Qb3 Ra7 18. Na4 Nbd7 19. Nf3 Kf8 20. Nc5 Nxc5 21. dxc5 Kg7 22. Qc3 Qe7 23. Rh4 Raa8 24. Kf1 Kg8 25. Ra4 Ng4 26. Rxa5 Rxa5 27. Qxa5 h5 28. Qa8+ Kg7 29. Qa4 h4 30. Qd4+ Kg8 31. gxh4 Rxh4 32. Ke2 Rh5 33. Qf4 Kg7 34. b4 Bc8 35. a4 Nf6 36. Nd4 Bg4+ 37. Kd2 Bc8 38. b5 Rh4 39. Qd6 Qe8 40. bxc6 bxc6 41. a5 Ba6 42. Qg3 Rg4 43. Qh3 Bxd3 44. Kxd3 Qe4+ 45. Ke2 Rxg2 46. Qf3 Rh2 47. Qxe4 Nxe4 48. Rc2 Rxf2+ 49. Kd3 Rxc2 50. Kxc2 Nxc5 51. a6 Nxa6 52. Nxc6 Kf6 53. Kd3 g5 54. Kd4 Nc7 55. e4 dxe4 56. Kxe4 Ne6 57. Kf3 Kf5 58. Ne7+ Ke5 59. Kg4 Ke4 60. Nf5 f6 61. Ne7 Nd4 62. Ng8 Ke5 63. Ne7 Ne6 64. Ng6+ Ke4 65. Ne7 Nd4 66. Ng8 Ke5 67. Ne7 Nc2 68. Nc6+ Ke4 69. Ne7 Ne3+ 70. Kh5 g4 71. Kh4 f5 72. Ng8 f4 73. Nf6+ Kf3 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.18"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "68"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Nf3 Bg4 6. Be3 Bxf3 7. gxf3 e5 8. d5 Nd4 9. Nb5 c5 10. dxc6 bxc6 11. Nxd4 exd4 12. Bxd4 Qa5+ 13. Ke2 Nf6 14. Bc3 Qc7 15. Qd2 0-0 16. Bh3 d5 17. e5 Rfe8 18. Kf1 Rxe5 19. Bxe5 Qxe5 20. Re1 Qh5 21. Bg2 dxc4 22. f4 Nd5 23. Qe2 Qxe2+ 24. Rxe2 Rb8 25. Rc2 c3 26. Bxd5 cxb2 27. Ke2 cxd5 28. Rb1 Bf6 29. Rc5 Rb4 30. f5 Ra4 31. fxg6 hxg6 32. Rxd5 Rxa2 33. Rb5 a5 34. Kd3 a4 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.21"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "155"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. Bg5 Be6 7. e4 dxe4 8. Bxf6 gxf6 9. Bb5+ Nd7 10. Nxe4 Qa5+ 11. Nc3 0-0-0 12. 0-0 Ne5 13. Nxe5 fxe5 14. d5 Bxd5 15. Nxd5 Qxb5 16. Qf3 Qc6 17. Rad1 Qe6 18. Rfe1 f5 19. g3 e4 20. Qc3 Bd6 21. b4 Kb8 22. bxc5 Be5 23. Qb3 h5 24. Ne3 Qxb3 25. axb3 f4 26. gxf4 Bxf4 27. Nd5 Rhg8+ 28. Kh1 Bc7 29. Rxe4 Rdf8 30. Re2 Rg5 31. Nxc7 Kxc7 32. b4 Rf7 33. Rg1 Rgf5 34. Kg2 a5 35. bxa5 Rxc5 36. Ra1 Rff5 37. a6 bxa6 38. Rxa6 Rg5+ 39. Kh3 Rg4 40. Ra7+ Kb6 41. Ra3 Rf5 42. Rg3 Rgf4 43. Kg2 Kc5 44. Rd3 Rg4+ 45. Rg3 Rgf4 46. h3 h4 47. Rge3 Kd4 48. Re8 Kd3 49. R2e3+ Kd4 50. Rd8+ Kc4 51. Re2 Rg5+ 52. Kh2 Rf3 53. Rc2+ Kb3 54. Re2 Kc4 55. Ra8 Kd3 56. Rea2 Rgf5 57. Kg2 Kc4 58. R8a4+ Kd5 59. Rxh4 Ke6 60. Rg4 Rb3 61. Re2+ Kf6 62. Rg3 Rb6 63. h4 Rbb5 64. Kh3 Rb4 65. Ra2 Rff4 66. Ra6+ Kf7 67. Kg2 Rxh4 68. Rc3 Rhg4+ 69. Kf3 Rgc4 70. Rd3 Rf4+ 71. Ke2 Rb2+ 72. Ke3 Rbxf2 73. Rd7+ Ke8 74. Rb7 R2f3+ 75. Ke2 Rf2+ 76. Ke3 R2f3+ 77. Ke2 Rf2+ 78. Ke3 1/2-1/2

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.23"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "89"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 0-0 8. Qc2 c6 9. e3 Re8 10. Bd3 Bxg3 11. hxg3 Bg4 12. Ne5 Nbd7 13. Nxg4 Nxg4 14. Bf5 Ngf6 15. 0-0-0 Nb6 16. g4 Nc4 17. Rh3 Nd6 18. Rdh1 Kf8 19. Rh4 Nxf5 20. Qxf5 Qd7 21. Qf4 Ne4 22. Rh5 Nxc3 23. bxc3 Re4 24. Qf5 Qxf5 25. gxf5 Ke7 26. Kd2 Kf6 27. f3 Re7 28. g4 Rae8 29. Re1 c5 30. Rhh1 b6 31. Kd3 cxd4 32. cxd4 Rc7 33. Rc1 Rec8 34. Rxc7 Rxc7 35. e4 dxe4+ 36. fxe4 Kg5 37. e5 Kf4 38. Rf1+ Kg3 39. Ke4 g6 40. f6 h5 41. gxh5 gxh5 42. e6 h4 43. e7 Rc8 44. d5 h3 45. d6 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.25"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "82"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Nf6 8. Bd3 0-0 9. 0-0 e6 10. h3 Re8 11. Qc2 exd5 12. cxd5 Nh5 13. f4 Bd4+ 14. Kh2 Qh4 15. Rf3 Bg4 16. Qe2 Ng3 17. Qe1 Bxf3 18. gxf3 Nf5 19. Qxh4 Nxh4 20. Kg3 Kg7 21. Bd2 h6 22. Rc1 g5 23. Nb5 Bxb2 24. Rc2 Bf6 25. Nxc7 Ng6 26. Nxa8 gxf4+ 27. Bxf4 Bh4+ 28. Kg4 Nxf4 29. Kxf4 Rxa8 30. Rc7 Rb8 31. Kf5 Bf2 32. f4 Kf8 33. e5 dxe5 34. fxe5 Bb6 35. Rc2 Rd8 36. d6 Bd4 37. Rc4 Ba1 38. Re4 f6 39. Kxf6 Rxd6+ 40. Kf5 Rxd3 41. Kg6 Ke7 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.27"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "50"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Nf3 f5 8. Ng5 f4 9. Bd2 Nf6 10. c5 0-0 11. cxd6 cxd6 12. Qb3 h6 13. Ne6 Bxe6 14. dxe6 Kh7 15. Bc4 f3 16. g3 a6 17. Qxb7 Rb8 18. Qxa6 Rxb2 19. Qa3 Rxd2 20. Kxd2 Qb6 21. Rhf1 Qd4+ 22. Bd3 Rc8 23. Rae1 h5 24. Kc2 Nfd5 25. exd5 e4 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.55"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "90"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 0-0 8. Qc2 Nc6 9. e3 Nb4 10. Qb1 c5 11. Bxd6 Qxd6 12. dxc5 Qxc5 13. a3 Nc6 14. Qd1 Bg4 15. Be2 Rad8 16. Rc1 Qb6 17. 0-0 Qxb2 18. Nb5 Bxf3 19. gxf3 a6 20. Rb1 Qe5 21. Nd4 Nxd4 22. Qxd4 Qxd4 23. exd4 b5 24. a4 bxa4 25. Rb4 Nh5 26. Rxa4 Nf4 27. Bxa6 Rd6 28. Rfa1 Rb8 29. Bf1 Rdb6 30. Ra8 g5 31. h4 gxh4 32. Rxb8+ Rxb8 33. Re1 Rb4 34. Rd1 Kg7 35. Kh2 Kf6 36. Rd2 Rb1 37. Bh3 Rb3 38. Bg2 Rd3 39. Rxd3 Nxd3 40. Kg1 Nf4 41. Bf1 Ke7 42. Kh2 Kd6 43. Bb5 Kc7 44. Be8 f6 45. Bf7 Kb6 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.11"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "115"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. d3 c5 8. Nbd2 Nc6 9. a3 h6 10. e3 Bh7 11. Qe2 Qc7 12. Nh4 Nd7 13. f4 Bf6 14. Bxf6 Nxf6 15. g4 Qe7 16. g5 hxg5 17. fxg5 Nd7 18. Qh5 Nde5 19. Rf4 Bg6 20. Nxg6 fxg6 21. Qh3 Rf5 22. Rxf5 gxf5 23. Qg3 Rf8 24. Rf1 g6 25. h4 Kg7 26. Nf3 Nxf3+ 27. Bxf3 Rd8 28. Kg2 Qd6 29. Qxd6 Rxd6 30. Kg3 Ne5 31. Be2 d4 32. exd4 cxd4 33. Re1 Nd7 34. Bf3 b6 35. h5 gxh5 36. Bxh5 e5 37. Be8 Rd5 38. Bxd7 Rxd7 39. Rxe5 Rc7 40. Kf4 Rxc2 41. Kxf5 Rc3 42. Ke4 Rxb3 43. Re7+ Kg6 44. Rxa7 Kxg5 45. Kxd4 Kf6 46. Kc4 Rb1 47. Kd5 b5 48. d4 b4 49. axb4 Rxb4 50. Kc5 Rb8 51. d5 Rc8+ 52. Kd6 Rc1 53. Kd7 Rc2 54. d6 Rh2 55. Ra1 Rf2 56. Re1 Kf7 57. Kc7 Rc2+ 58. Kd8 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.13"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "87"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Bg4 7. c3 e6 8. Qb3 Qc8 9. Bd3 Be7 10. 0-0 0-0 11. Rfe1 Bh5 12. h3 Bg6 13. Bxg6 hxg6 14. Qb5 a6 15. Qd3 Na5 16. Ne5 b5 17. h4 Nc4 18. Rab1 Bd6 19. b3 Nxd2 20. Bxd2 Ne4 21. Nf3 Qd8 22. Bg5 Qc7 23. Rbc1 Rfc8 24. Bd2 Qa5 25. Rc2 Rc6 26. Rec1 Rac8 27. c4 Nxd2 28. Nxd2 bxc4 29. bxc4 dxc4 30. Nxc4 Qb5 31. g3 Be7 32. Qb3 Qd5 33. Ne5 Qxb3 34. Nxc6 Qa3 35. Nxe7+ Qxe7 36. Rxc8+ Kh7 37. R1c7 Qf6 38. Rf8 Qxd4 39. Rfxf7 Kh6 40. Rxg7 Kh5 41. Rcf7 e5 42. Rf6 e4 43. Rgxg6 e3 44. Rg5# 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.15"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "69"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. exd5 exd5 6. g3 Be7 7. Bg2 0-0 8. 0-0 Re8 9. Re1 c5 10. Ne5 Bd6 11. Ndf3 Bb7 12. Bf4 Qc7 13. d4 cxd4 14. Qxd4 Ne4 15. Nd3 Nc6 16. Bxd6 Qxd6 17. Qe3 h6 18. c3 Na5 19. Qf4 Qxf4 20. Nxf4 Nc4 21. Re2 Nc5 22. Rae1 Rxe2 23. Rxe2 Kf8 24. Nd4 Rd8 25. b3 Na3 26. h4 Nb1 27. Re3 Ne4 28. c4 dxc4 29. Nde6+ fxe6 30. Nxe6+ Kg8 31. Nxd8 c3 32. Bxe4 Bxe4 33. Rxe4 Nd2 34. Re8+ Kh7 35. Ne6 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.17"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "123"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 cxd5 6. Ne5 Nc6 7. Nxc6 bxc6 8. e3 e6 9. Bd3 c5 10. dxc5 Bxc5 11. 0-0 0-0 12. b3 Bb7 13. Bb2 d4 14. Na4 Ba7 15. exd4 Qd5 16. Qf3 Qxf3 17. gxf3 Rfd8 18. Be2 Bxd4 19. Bxd4 Rxd4 20. Rfd1 Rxd1+ 21. Rxd1 Nd5 22. Nc5 Nc3 23. Nxb7 Nxe2+ 24. Kf1 Nc3 25. Rd2 g5 26. Rc2 Nd5 27. Nd6 Kg7 28. Rc8 Rxc8 29. Nxc8 Kf6 30. Nd6 Ke7 31. Ne4 h6 32. Ke1 Nb4 33. Nc3 Kd6 34. Kd2 f5 35. a3 Nc6 36. Ne2 Kc5 37. Kc3 a5 38. f4 g4 39. Kd3 h5 40. Ke3 Ne7 41. Nc3 h4 42. Na4+ Kd6 43. Nc3 Nc6 44. Kd3 h3 45. Ke3 e5 46. fxe5+ Nxe5 47. Kf4 Nf3 48. Kxf5 Nxh2 49. Kf4 Nf1 50. Ne4+ Kd5 51. Nf6+ Kd4 52. Nxg4 Kc3 53. b4 axb4 54. axb4 Kxb4 55. Kg5 Kc4 56. f4 h2 57. Nxh2 Nxh2 58. f5 Nf3+ 59. Kf4 Nd4 60. f6 Kd5 61. f7 Ne6+ 62. Kf5 1/2-1/2

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.19"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "129"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. exd5 exd5 6. d4 Be7 7. Bb5+ c6 8. Bd3 0-0 9. 0-0 Ba6 10. Bxa6 Nxa6 11. Re1 Re8 12. c3 Nb8 13. Ne5 Bd6 14. Ndf3 Qc7 15. Bf4 Nbd7 16. Bg3 Ne4 17. Nxd7 Qxd7 18. Qa4 f6 19. Bxd6 Nxd6 20. h3 a5 21. Qb3 Qc7 22. Nd2 b5 23. a4 Nc4 24. Qc2 Qf4 25. Nf3 Re4 26. axb5 cxb5 27. Qb3 Rb8 28. Qa2 a4 29. b3 axb3 30. Qxb3 Kh8 31. Qc2 h6 32. Qd3 Rbe8 33. g3 Qf5 34. Kg2 Qc8 35. Rab1 Qd7 36. h4 Qg4 37. Nh2 Qd7 38. Nf3 Nd6 39. Rf1 Qg4 40. Rb2 Nf5 41. Qxb5 Kh7 42. Qd3 Kh8 43. Ra2 Qg6 44. Qb5 Rd8 45. Rfa1 Nxh4+ 46. Nxh4 Rxh4 47. Re1 Re4 48. Rae2 Qg4 49. Re3 Kh7 50. Qb1 Qg6 51. Rxe4 dxe4 52. Qxe4 f5 53. Qe6 Qg4 54. Re5 Rf8 55. d5 Rf6 56. Qd7 Qd1 57. Rxf5 Rg6 58. Rf8 Qd3 59. Qf5 Qxc3 60. Qf7 Rf6 61. Qg8+ Kg6 62. Rxf6+ Kxf6 63. Qe8 Qc5 64. Qe6+ Kg5 65. f4+ 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.22"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "79"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. d4 Bg4 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Nxc3 14. bxc3 Qd5 15. Qe2 f6 16. Be3 Kf7 17. 0-0 Bd6 18. Rfd1 Qc6 19. Rab1 Rab8 20. Rxb8 Rxb8 21. Qd3 Be7 22. Kg2 Rd8 23. Qe2 Rxd1 24. Qxd1 Qxc3 25. Bxa7 Qa3 26. Qd7 g5 27. Bb6 g4 28. fxg4 Qxa2 29. Bc5 Qa8+ 30. f3 Qd8 31. Qxe7+ Qxe7 32. Bxe7 Kxe7 33. Kg3 Kf7 34. Kf4 Kg6 35. h4 h5 36. Ke3 hxg4 37. fxg4 f5 38. Kf4 fxg4 39. Kxg4 e5 40. Kf3 1/2-1/2

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.24"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "121"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Bg4 7. c3 e6 8. Qb3 Qc8 9. Bd3 Be7 10. 0-0 0-0 11. h3 Bh5 12. Rfe1 Bg6 13. Bxg6 hxg6 14. Qb5 a6 15. Qd3 Na5 16. Ne5 b5 17. Re2 Nc4 18. Ndf3 Ne4 19. Rc1 Qb7 20. b3 Nxe5 21. Nxe5 Nf6 22. c4 bxc4 23. bxc4 dxc4 24. Rxc4 Rfc8 25. Rec2 Rxc4 26. Qxc4 Nd5 27. Bg3 Bf6 28. Qc6 Qxc6 29. Nxc6 Rc8 30. Kf1 Kf8 31. Ke2 Ke8 32. Kd2 Bg5+ 33. Kd1 Bf4 34. Rc5 Bxg3 35. fxg3 f6 36. Kd2 Kd7 37. Na5 g5 38. Nb3 Rc7 39. Ra5 Rc6 40. Nc5+ Kc7 41. Rxa6 Rxa6 42. Nxa6+ Kc6 43. Nc5 Nc7 44. Kd3 Kd5 45. Ne4 Na6 46. Nc3+ Kd6 47. Kc4 f5 48. a4 Kc6 49. d5+ exd5+ 50. Nxd5 Kd6 51. a5 Ke5 52. Nb4 Nc7 53. a6 Nxa6 54. Nxa6 Ke4 55. Nc5+ Ke3 56. Ne6 Kf2 57. g4 fxg4 58. hxg4 Kxg2 59. Nxg5 Kg3 60. Ne6 Kxg4 61. Nxg7 1/2-1/2

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.26"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "121"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Bg4 7. c3 e6 8. Qb3 Qc8 9. Bd3 Be7 10. 0-0 0-0 11. Rfe1 Bh5 12. h3 Bg6 13. Be2 Ne4 14. Nxe4 Bxe4 15. Ne5 Nxe5 16. Bxe5 Bg6 17. Rad1 a6 18. a4 Qc6 19. a5 Rfc8 20. Bd3 Bxd3 21. Rxd3 Bd6 22. Rg3 Bxe5 23. Rxe5 g6 24. h4 Qb5 25. Qa3 Qe8 26. h5 Kg7 27. Ree3 Rc4 28. Qd6 Qf8 29. Qe5+ Kg8 30. Ref3 Qg7 31. Rf6 Rc6 32. Rgf3 Rf8 33. Qg5 Re8 34. Rxf7 Qxf7 35. Rxf7 Kxf7 36. Qh6 gxh5 37. Qxh7+ Kf6 38. Qxb7 Rec8 39. g3 R8c7 40. Qb8 Ke7 41. Kg2 Rc8 42. Qe5 Kd7 43. Qxh5 Rb8 44. Qe2 Rb5 45. g4 Rxa5 46. Kg3 Ra2 47. Qc2 Rb6 48. Qh7+ Kd6 49. Qg8 Rbxb2 50. Qd8+ Kc6 51. f3 a5 52. Qc8+ Kd6 53. Qd8+ Kc6 54. Qe7 Re2 55. g5 a4 56. Kf4 Re1 57. c4 dxc4 58. Qc5+ Kd7 59. Qb5+ Kd6 60. Qb4+ Kd7 61. Qxe1 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.28"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "220"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 c6 6. 0-0 e6 7. Nc3 Nbd7 8. h3 Be7 9. e4 0-0 10. Re1 b5 11. e5 Ne8 12. Ne2 c5 13. dxc5 Nxc5 14. Ng3 Rc8 15. d4 Na4 16. Qd3 a6 17. b3 Nc3 18. Bd2 b4 19. Qxa6 Nc7 20. Qd3 N7b5 21. h4 Bxh4 22. Nh5 Be7 23. g3 g6 24. Nf4 Qd7 25. Kg2 Ne4 26. Ne2 Rc7 27. Rec1 Rfc8 28. Rxc7 Rxc7 29. Be1 Nbc3 30. a4 Nxe2 31. Qxe2 Nc3 32. Qd3 Qc6 33. Bd2 Qb7 34. a5 Ne4 35. a6 Qb6 36. Be1 Ra7 37. Ra4 Kg7 38. Ng1 Nc3 39. Bxc3 bxc3 40. Qxc3 Rxa6 41. Ne2 Ra7 42. Nf4 Rb7 43. Ra8 Rc7 44. Qd3 Bg5 45. Nh3 Be7 46. Re8 Qc6 47. Rb8 Rb7 48. Rxb7 Qxb7 49. Nf4 Bb4 50. Ne2 Qc6 51. Nf4 h5 52. Nh3 Be7 53. Nf4 Qc1 54. Ne2 Qb2 55. Kf3 h4 56. gxh4 Bxh4 57. Qc3 Qb1 58. Kg2 Qd1 59. Qf3 Be7 60. Qe3 g5 61. Ng3 Kg6 62. Ne2 Qb1 63. Ng3 Qc2 64. Qf3 Qd2 65. Qh5+ Kg7 66. Qg4 Kg6 67. Qh5+ Kg7 68. Qg4 Kg6 69. Nf1 Qc2 70. Ng3 Qxb3 71. Qh5+ Kg7 72. Qg4 Qc2 73. Nh5+ Kg6 74. Nf4+ Kh7 75. Nh5 Qf5 76. f3 Kg6 77. Ng3 Qxg4 78. fxg4 f5 79. Kf3 Ba3 80. Ne2 Kf7 81. Nc3 Bb2 82. Nb5 f4 83. Ke2 Ke7 84. Kf3 Kd7 85. Ke2 Kc6 86. Na7+ Kb6 87. Nc8+ Kc7 88. Ne7 Bxd4 89. Ng6 Kc6 90. Kd3 Bb2 91. Nf8 Bxe5 92. Nxe6 Kd6 93. Nxg5 Bf6 94. Nf3 Ke6 95. Ke2 d4 96. Kd3 Kd5 97. g5 Bg7 98. g6 Bf6 99. Nd2 Ke5 100. Nf3+ Kf5 101. Nxd4+ Bxd4 102. Kxd4 Kxg6 103. Ke4 Kg5 104. Kf3 Kf5 105. Kf2 Kg4 106. Kg2 f3+ 107. Kf2 Kf4 108. Kf1 Ke3 109. Ke1 f2+ 110. Kf1 Kf3 1/2-1/2

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.10"]
[Round "1.54"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "138"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 c5 4. Ne5 Bf5 5. e3 a6 6. Qh5 Be6 7. f4 Nf6 8. Qf3 g6 9. Nc3 Bg7 10. 0-0-0 Nc6 11. h3 0-0 12. g4 d4 13. Nxc6 bxc6 14. g5 dxc3 15. dxc3 Bd5 16. Qe2 Ne4 17. c4 Bxb2+ 18. Kxb2 Ng3 19. Qh2 Nxh1 20. cxd5 cxd5 21. Qxh1 e6 22. h4 a5 23. a4 c4 24. Bxc4 Qb6 25. Bd3 Qxe3 26. f5 exf5 27. Qxd5 Rfd8 28. Qb5 Qd4+ 29. Kb1 Rd5 30. Qb7 Rad8 31. h5 Qe3 32. hxg6 hxg6 33. Rh1 Qxg5 34. Qc7 Qf6 35. Ka2 Kg7 36. Qh2 f4 37. Qh6+ Kg8 38. Bc4 Rd2 39. Qh7+ Kf8 40. Rc1 f3 41. Qh6+ Qg7 42. Qf4 f2 43. Ka3 Kg8 44. Rf1 R2d4 45. Qf3 Rxc4 46. bxc4 Qf8+ 47. Ka2 Qb4 48. Rxf2 Qxa4+ 49. Qa3 Qxc4+ 50. Qb3 Qxb3+ 51. Kxb3 f5 52. Ka4 Rd5 53. Kb3 Kg7 54. Kc4 Rd7 55. Kb5 Kf6 56. c4 g5 57. c5 f4 58. c6 Re7 59. Kc5 Kf5 60. Kd6 Rf7 61. c7 Rxc7 62. Kxc7 g4 63. Kd6 g3 64. Ra2 f3 65. Rxa5+ Kg4 66. Ra4+ Kh3 67. Ke5 f2 68. Ra1 g2 69. Ra3+ Kh2 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.31"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "111"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Nf3 Bh6 8. Bxh6 Nxh6 9. Qd2 Ng4 10. h3 Nf6 11. Be2 Kf8 12. Qh6+ Kg8 13. Rc1 b6 14. b4 a5 15. a3 axb4 16. axb4 Bd7 17. c5 bxc5 18. bxc5 Qf8 19. Qd2 Kg7 20. 0-0 Qd8 21. c6 Bc8 22. Ra1 Rxa1 23. Rxa1 h6 24. Ra7 g5 25. Nb5 Nxe4 26. Qc2 Nf6 27. Nxc7 Nexd5 28. Nxd5 Nxd5 29. Bc4 Be6 30. Qb3 Nc7 31. Bxe6 fxe6 32. Qxe6 Rf8 33. Qd7+ Qxd7 34. cxd7 Kf6 35. Rxc7 Rd8 36. Kf1 Ke6 37. Ke2 Rxd7 38. Rxd7 Kxd7 39. Nh2 Ke6 40. Ng4 h5 41. Ne3 d5 42. Kd3 Kd6 43. f3 Ke6 44. g4 hxg4 45. hxg4 Kd6 46. Nf5+ Ke6 47. Kc3 Kd7 48. Kb4 Kc6 49. Ng3 Kb6 50. Nh5 Kc6 51. Ng7 Kd6 52. Nf5+ Kc6 53. Nh6 e4 54. fxe4 dxe4 55. Kc4 e3 56. Kd3 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.33"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "71"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Bf5 4. Nc3 g6 5. Nh4 Bc8 6. Nf3 Bg7 7. e4 0-0 8. Be2 Nc6 9. 0-0 e5 10. Be3 Ng4 11. Bg5 f6 12. Bh4 g5 13. Bg3 exd4 14. Nxd4 Nxd4 15. Qxd4 f5 16. Qd5+ Kh8 17. exf5 Bxf5 18. Rad1 b6 19. Qd2 Ne5 20. Nd5 Bg6 21. b3 a5 22. f4 gxf4 23. Nxf4 Qd7 24. Nd5 Rae8 25. Bf4 Nc6 26. Bh6 Bxh6 27. Qxh6 Qg7 28. Rxf8+ Rxf8 29. Qxg7+ Kxg7 30. Nxc7 Rc8 31. Ne6+ Kf6 32. Nf4 Nb4 33. g3 Ke5 34. a3 Nc2 35. Rd5+ Ke4 36. Kf2 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.35"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "59"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 h6 8. Bh4 Be7 9. Qc2 Nh5 10. Bxe7 Qxe7 11. 0-0-0 Nb6 12. Bd3 Nf6 13. Kb1 Be6 14. Rc1 0-0-0 15. Na4 Nxa4 16. Qxa4 Kb8 17. Rc3 Nd7 18. Ra3 Kc7 19. Qa5+ Nb6 20. Rc1 Rb8 21. Bb5 Rhc8 22. Qxa7 Bd7 23. Ba6 Qb4 24. Ne5 f6 25. Nxd7 Kxd7 26. Rb3 Qxb3 27. axb3 Kc7 28. Bb5 Kd7 29. Qxb6 cxb5 30. Qxb5+ 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.37"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "50"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 0-0 8. e3 Bf5 9. Qb3 Bxg3 10. hxg3 Nc6 11. Qxb7 Qd6 12. a3 Rab8 13. Qa6 Rxb2 14. Nb5 Qd7 15. Rc1 Nb8 16. Qa4 Ne4 17. Be2 a6 18. Ne5 Qe8 19. Qd1 axb5 20. 0-0 Nd7 21. Nd3 Ra2 22. Rxc7 Rxa3 23. Nf4 Ndf6 24. Rb7 Nxg3 25. Bxb5 Qc8 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.39"]
[White "Checa, Nicolas D"]
[Black "Nihal, Sarin"]
[Result "0-1"]
[ECO "D99"]
[WhiteElo "2552"]
[BlackElo "2620"]
[PlyCount "142"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Bxf3 12. gxf3 Ne5 13. Be2 c6 14. f4 Ned7 15. dxc6 bxc6 16. e5 e6 17. h4 Nd5 18. h5 Rb8 19. Qc2 Qa5 20. Bd2 Qb6 21. b3 Nb4 22. Qe4 Nc5 23. Qf3 Rfd8 24. Kf1 Nc2 25. Qh3 Nd4 26. Be3 Nf5 27. hxg6 hxg6 28. Rxd8+ Rxd8 29. Na4 Nxe3+ 30. Qxe3 Nxa4 31. bxa4 Qb1+ 32. Kg2 Qxa2 33. Bf3 Qxa4 34. Rc1 Bh6 35. Bxc6 Qxf4 36. Qxf4 Bxf4 37. Ra1 Rc8 38. Bb7 Rc7 39. Bf3 Bxe5 40. Ra5 Bd4 41. Ra2 Kg7 42. Be4 Bb6 43. Kf3 Rc3+ 44. Ke2 Rc5 45. Bd3 Ra5 46. Rb2 Re5+ 47. Kf3 Rd5 48. Be4 Ra5 49. Rc2 Ra3+ 50. Ke2 Rb3 51. Bd3 Bd4 52. Bc4 Rb2 53. Rxb2 Bxb2 54. f3 Bd4 55. Ba6 Bb6 56. Kd3 Kf6 57. Ke4 g5 58. Kd3 Ke7 59. Ke2 f5 60. Kd3 Kf6 61. Ke2 Ke5 62. Kd3 Kf4 63. Ke2 e5 64. Bc8 a5 65. Bd7 e4 66. fxe4 Kxe4 67. Bc6+ Kf4 68. Kf1 g4 69. Kg2 Kg5 70. Bd7 f4 71. Bc6 f3+ 0-1

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.32"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "113"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Nd7 4. g3 e6 5. Bg2 Ngf6 6. h3 Bh5 7. d3 Be7 8. Nbd2 0-0 9. g4 Bg6 10. Nh4 c6 11. Nxg6 hxg6 12. e3 a5 13. a3 Qc7 14. h4 Bd6 15. g5 Nh7 16. Qg4 Be5 17. d4 Bd6 18. h5 f5 19. gxf6 Rxf6 20. hxg6 Nhf8 21. 0-0-0 Rxg6 22. Qh3 Rh6 23. Qf3 Rf6 24. Qe2 a4 25. b4 b5 26. Rdg1 Re8 27. f4 Nb6 28. Bh3 Nc4 29. Nxc4 bxc4 30. Qh5 Qf7 31. Qh4 Ng6 32. Qg5 Ne7 33. Bg4 Rd8 34. Bh5 Qf8 35. Bc3 Nf5 36. Bg6 Be7 37. Rh3 Nh6 38. Rgh1 Rf5 39. Qg2 Rf6 40. Be1 Bd6 41. Bh4 Be7 42. Bxf6 Bxf6 43. Rh5 c5 44. bxc5 Rb8 45. Be4 Kf7 46. Bxd5 exd5 47. Qxd5+ Ke7 48. Qxc4 Qc8 49. Rxh6 gxh6 50. Rxh6 Bg7 51. Rg6 Kf8 52. Qd5 Qe8 53. Re6 Qd8 54. Rd6 Qe8 55. Kd2 Rc8 56. c6 Qh5 57. Qxh5 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.34"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "37"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Nf6 4. g3 e6 5. Bg2 Be7 6. h3 Bf5 7. d3 c5 8. g4 Bg6 9. Nh4 Nc6 10. Nd2 0-0 11. e3 d4 12. Nxg6 hxg6 13. e4 Nd7 14. h4 e5 15. g5 f6 16. Qg4 Qc8 17. Qe6+ Rf7 18. Bh3 Bf8 19. h5 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.36"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "83"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. Nxg6 hxg6 11. cxd5 cxd5 12. 0-0-0 Nc6 13. Kb1 a6 14. Rc1 0-0 15. g4 Na5 16. Qd1 Qd8 17. h4 b5 18. h5 gxh5 19. g5 Nd7 20. Rxh5 g6 21. Rh1 Bxg5 22. e4 Nc4 23. Bxc4 bxc4 24. f4 Bf6 25. e5 Bg7 26. f5 Rb8 27. Qg4 exf5 28. Qh3 Re8 29. Qh7+ Kf8 30. Nxd5 Nxe5 31. Bh6 Qxd5 32. Bxg7+ Ke7 33. Bxe5 Rb6 34. Qh4+ Kd7 35. Rh2 Qe4+ 36. Qxe4 fxe4 37. Rxc4 f6 38. Bf4 g5 39. Be3 Ke6 40. d5+ Kxd5 41. Rc5+ Kd6 42. Rxg5 1-0

[Event "Junior Speed Final"]
[Site "Chess.com INT"]
[Date "2021.07.05"]
[Round "1.38"]
[White "Nihal, Sarin"]
[Black "Checa, Nicolas D"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2620"]
[BlackElo "2552"]
[PlyCount "89"]
[EventDate "2021.07.01"]
[EventType "k.o. (blitz)"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. 0-0 Nbd7 5. d3 e6 6. c4 c6 7. cxd5 cxd5 8. Qa4 Bxf3 9. Bxf3 Be7 10. Nc3 0-0 11. Bd2 a6 12. Rac1 Ne5 13. Bg2 Nc6 14. Rfd1 Qb6 15. Qc2 Rac8 16. Qb1 Qa7 17. e3 Rfd8 18. d4 h6 19. Na4 Nd7 20. b4 b6 21. b5 axb5 22. Qxb5 Na5 23. Nxb6 Nxb6 24. Bxa5 Rb8 25. Bxb6 Rxb6 26. Qe2 Ra6 27. Rc2 Ra8 28. Ra1 Ra3 29. h4 Bf6 30. Bf3 Qa5 31. h5 Qd8 32. Kg2 e5 33. dxe5 Bxe5 34. Rd1 R8a5 35. Rcd2 d4 36. exd4 Bd6 37. Qc4 R3a4 38. Qc6 Ra6 39. Qe4 Be7 40. Re2 Re6 41. Qc2 Rxe2 42. Qxe2 Bf6 43. d5 Be7 44. d6 Bxd6 45. Rxd6 1-0

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.29"]
[Round "8"]
[White "Checa, Nicolas D"]
[Black "Tsay, Vincent"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2574"]
[BlackElo "2285"]
[PlyCount "66"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Qc2 Nh5 9. Bxe7 Qxe7 10. 0-0-0 Nb6 11. Bd3 Be6 12. Kb1 g6 13. Ka1 Ng7 14. Rhe1 0-0-0 15. Na4 Bg4 16. Be2 Bxf3 17. Bxf3 Ne6 18. e4 dxe4 19. Bxe4 Rxd4 20. Bxc6 Rxd1+ 21. Rxd1 bxc6 22. Qxc6+ Qc7 23. Nxb6+ axb6 24. Qa8+ Qb8 25. Qc6+ Nc7 26. Qf6 Re8 27. Qxf7 Qb7 28. Rc1 Qc6 29. Kb1 Qe4+ 30. Rc2 Re7 31. Qf8+ Kb7 32. f3 Qb4 33. Re2 Qd4 0-1

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.28"]
[Round "6"]
[White "Checa, Nicolas D"]
[Black "Escalante Ramirez, Brian Sebastian"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2574"]
[BlackElo "2452"]
[PlyCount "73"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 a6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 Be6 7. Qb3 Nbd7 8. e3 b5 9. Qc2 h6 10. Bh4 c5 11. dxc5 Nxc5 12. Bd3 Rc8 13. 0-0 g5 14. Bg3 Bg7 15. Nd4 0-0 16. Nf5 d4 17. exd4 Nxd3 18. Qxd3 Bc4 19. Qf3 Bxf1 20. Rxf1 b4 21. Nd1 Rc1 22. Be5 Ne8 23. Bxg7 Nxg7 24. Nxh6+ Kh7 25. Ng4 Ne8 26. Qh3+ Kg7 27. Nde3 Rxf1+ 28. Kxf1 Rh8 29. Nf5+ Kg8 30. Ngh6+ Kf8 31. Qb3 Qc7 32. Qxb4+ Nd6 33. Nxd6 a5 34. Qa3 Qc1+ 35. Ke2 Qc2+ 36. Ke3 Qc1+ 37. Kf3 1-0

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.28"]
[Round "5"]
[White "Repka, Christopher"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "2496"]
[BlackElo "2574"]
[PlyCount "80"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 Nc6 8. 0-0 Be7 9. Qe2 cxd4 10. exd4 0-0 11. Rd1 Nb4 12. Ne5 Bd7 13. d5 exd5 14. Nxd5 Nfxd5 15. Bxd5 Nxd5 16. Rxd5 Bg4 17. Qc4 Qxd5 18. Qxd5 Rad8 19. Qb3 Rd1+ 20. Qxd1 Bxd1 21. Bg5 Bxg5 22. Rxd1 Rc8 23. b3 Rc3 24. f4 Bf6 25. b4 Rb3 26. b5 Rb4 27. Rc1 Kf8 28. Rc4 Rxc4 29. Nxc4 Ke7 30. Kf2 Ke6 31. Na5 a6 32. Nxb7 axb5 33. axb5 Bd4+ 34. Ke2 Bb6 35. Kd3 Kd5 36. f5 h5 37. h3 g6 38. g4 hxg4 39. hxg4 gxf5 40. gxf5 Ke5 1/2-1/2

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.27"]
[Round "4"]
[White "Checa, Nicolas D"]
[Black "Hong, Andrew Z"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2574"]
[BlackElo "2453"]
[PlyCount "180"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Be2 Bg7 9. 0-0 0-0 10. Ne5 Qe7 11. f4 dxc4 12. Bxc4 c5 13. Qe2 cxd4 14. exd4 Nc6 15. Rad1 Bd7 16. Kh1 Rad8 17. Nxc6 bxc6 18. f5 gxf5 19. Rxf5 Bc8 20. Rf4 Kh8 21. Bb3 f5 22. Qc4 Rd6 23. Rff1 Qb7 24. Ne2 Rfd8 25. Qc1 Qb4 26. Nf4 Kh7 27. Rde1 Re8 28. Nh5 Bd7 29. Nxg7 Kxg7 30. Rf4 Rf8 31. d5 Qa5 32. dxe6 Re8 33. Rh4 Qd2 34. Qxd2 Rxd2 35. h3 Re7 36. Rf4 Kf6 37. Rh4 Kg5 38. Ra4 Be8 39. Rf1 h5 40. Raf4 Bg6 41. h4+ Kf6 42. R1f2 Rd6 43. Kh2 Rb7 44. Ra4 Bh7 45. Ra5 Rd4 46. g3 Ke7 47. Ra6 Rc7 48. Rf4 Rxf4 49. gxf4 Bg8 50. Bd1 Bxe6 51. Bxh5 Rd7 52. Bf3 Rd2+ 53. Kg3 Rxb2 54. a4 Rb3 55. Kf2 Rb2+ 56. Kg3 Rb3 57. Rxa7+ Kf6 58. Kf2 Rb2+ 59. Ke3 Rb3+ 60. Ke2 Rb2+ 61. Kd1 Rb4 62. Bxc6 Rxf4 63. h5 Rh4 64. a5 Rxh5 65. a6 Bc4 66. Ra8 Bxa6 67. Rxa6 Rh2 68. Bd7+ Kg5 69. Ra5 Rf2 70. Ke1 Rf4 71. Ke2 Re4+ 72. Kd3 Rf4 73. Ba4 Rf3+ 74. Kc2 Kg4 75. Bb5 Re3 76. Bd7 Rf3 77. Kd2 Kg5 78. Bb5 Kf4 79. Bd3 Kg5 80. Ke2 Kg4 81. Ra8 Rg3 82. Rf8 f4 83. Bb5 Re3+ 84. Kf2 Rf3+ 85. Ke2 Re3+ 86. Kd2 Re5 87. Rg8+ Rg5 88. Be2+ f3 89. Bxf3+ Kf4 90. Rxg5 Kxg5 1/2-1/2

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.27"]
[Round "3"]
[White "Sheng, Joshua"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2453"]
[BlackElo "2574"]
[PlyCount "24"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 dxc4 7. Bxc4 Nd7 8. Nge2 Be7 9. Ng3 Bg6 10. Nge2 Bf5 11. Ng3 Bg6 12. Nge2 Bf5 1/2-1/2

[Event "Philadelphia int op 14th"]
[Site "Philadelphia"]
[Date "2021.06.26"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Wang, Tianqi"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2574"]
[BlackElo "2317"]
[PlyCount "77"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4 Bg7 9. h3 0-0 10. e3 Re8 11. Nd2 Nbd7 12. Be2 Ne5 13. a5 Nfd7 14. 0-0 f5 15. Bh2 b5 16. axb6 Qxb6 17. Qc2 Bb7 18. Kh1 Qc7 19. e4 fxe4 20. Ndxe4 Nf7 21. Bg4 Nf8 22. f4 Kh8 23. f5 gxf5 24. Rxf5 Ne5 25. Ng5 Nfg6 26. Nxh7 Bc8 27. Rh5 Bxg4 28. hxg4 Kg8 29. Ne4 Nxg4 30. Nxd6 N6e5 31. Nxe8 Rxe8 32. Ng5 Nf6 33. Rh3 Qd7 34. d6 Qxd6 35. Rd1 Qc6 36. Bxe5 Rxe5 37. Qc4+ Nd5 38. Nf3 Rf5 39. g4 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.20"]
[Round "9"]
[White "Checa, Nicolas D"]
[Black "Rosen, Eric S"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2574"]
[BlackElo "2353"]
[PlyCount "63"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 exd5 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 Re8 10. h3 Nf8 11. Qc2 c6 12. Bf4 Ng6 13. Bh2 Bd6 14. Rfe1 Bxh2+ 15. Nxh2 Nh4 16. f3 Qd6 17. Qf2 Ng6 18. e4 dxe4 19. fxe4 Qf4 20. Nf3 Be6 21. e5 Nd5 22. Bxg6 fxg6 23. Ne4 Re7 24. Neg5 h6 25. Nxe6 Rxe6 26. Rf1 Rd8 27. Rae1 g5 28. Qc2 Qg3 29. Qf2 Qxf2+ 30. Rxf2 Nf4 31. Rc2 Re7 32. Re4 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.20"]
[Round "8"]
[White "Kavutskiy, Konstantin"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2391"]
[BlackElo "2574"]
[PlyCount "52"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 b5 6. b3 Bg4 7. a4 b4 8. Ne2 Nbd7 9. Ne5 Nxe5 10. dxe5 Bxe2 11. Bxe2 Ne4 12. Bb2 e6 13. 0-0 Qa5 14. Rc1 Be7 15. Qc2 Nc3 16. Bxc3 bxc3 17. cxd5 cxd5 18. Qxc3 Qxc3 19. Rxc3 Bb4 20. Rc6 a5 21. Rfc1 0-0 22. Bb5 Rad8 23. Rd1 Rc8 24. Rdc1 Rcd8 25. Rd1 Rc8 26. Rdc1 Rcd8 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.19"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Li, Eric"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2574"]
[BlackElo "2270"]
[PlyCount "83"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 0-0 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 c6 11. a3 Be7 12. Bxf6 Bxf6 13. h4 Nd7 14. g4 Be7 15. g5 h5 16. Ne5 Nxe5 17. dxe5 Qb6 18. 0-0-0 Qb3 19. f4 b5 20. Ne2 Qa2 21. Nd4 b4 22. axb4 Bxb4 23. Kc2 Qa4+ 24. Qb3 Qa5 25. g6 Rab8 26. gxf7+ Rxf7 27. Kb1 Qb6 28. Rh2 a5 29. Qc2 c5 30. Nf3 Rfb7 31. Ng5 g6 32. Rxd5 Ba3 33. Rdd2 Bxb2 34. Qc4+ Kh8 35. Rxb2 Qxb2+ 36. Rxb2 Rxb2+ 37. Kc1 Rb1+ 38. Kc2 R8b2+ 39. Kd3 Rb3+ 40. Ke2 R3b2+ 41. Kf3 Rf1+ 42. Qxf1 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.18"]
[Round "4"]
[White "Checa, Nicolas D"]
[Black "Homa, Seth"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2574"]
[BlackElo "2287"]
[PlyCount "104"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 0-0 7. h3 e6 8. Bd3 Nbd7 9. 0-0 e5 10. Ne2 h6 11. Be3 Nh7 12. Qd2 f5 13. Bxh6 f4 14. Bxg7 Kxg7 15. Nc3 Ndf6 16. Rfb1 g5 17. b4 b6 18. bxc5 bxc5 19. Kf1 Rf7 20. Nh2 g4 21. Nxg4 Bxg4 22. hxg4 Nxg4 23. Be2 Ne3+ 24. Ke1 Qh4 25. Bf3 Nxc4 26. Qd3 Ne3 27. Ke2 c4 28. Qd2 Ng4 29. Nd1 Ng5 30. Qc3 Rc8 31. Rb4 Nf6 32. Qc2 Nxd5 33. Rxc4 Rfc7 34. Rxc7+ Rxc7 35. Qd2 Nf6 36. Nc3 Rb7 37. Rf1 Ne6 38. g3 Qh8 39. Kd1 Nd4 40. Be2 Nxe4 41. Qd3 Nc5 42. Qd2 Ne4 43. Qd3 Nc5 44. Qd2 Na4 45. gxf4 Qh3 46. Rg1+ Kf8 47. Nb5 Nxb5 48. Bxb5 Nc3+ 49. Ke1 Nxb5 50. Qd5 Qc3+ 51. Kf1 Qc1+ 52. Kg2 Rg7+ 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.17"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Wang, Jason"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2574"]
[BlackElo "2312"]
[PlyCount "114"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Ne2 Bg4 8. f3 Be6 9. Nbc3 Qd7 10. Ne4 Bd5 11. Nc5 Qc8 12. a3 e6 13. Qc2 Bxc5 14. Qxc5 Qd7 15. Bg5 a6 16. b4 Nc4 17. Bxc4 b6 18. Qxd5 exd5 19. Bd3 0-0 20. 0-0 Nd8 21. Be3 f5 22. Nf4 Ne6 23. Nxe6 Qxe6 24. Rac1 c6 25. Rc3 a5 26. Rfc1 axb4 27. Rxc6 Qxc6 28. Rxc6 bxa3 29. Bc1 a2 30. Bb2 Rfc8 31. Rxc8+ Rxc8 32. Bxf5 Rc1+ 33. Kf2 g6 34. Be6+ Kg7 35. Kg3 a1Q 36. Bxa1 Rxa1 37. Kf4 Ra4 38. Ke3 Ra3+ 39. Kd2 Ra2+ 40. Ke3 Rxg2 41. h3 Rh2 42. Bxd5 Rxh3 43. Bc6 Rh1 44. d5 Kf7 45. d6 Ke6 46. Bd5+ Kd7 47. f4 Re1+ 48. Kd4 Rd1+ 49. Kc4 Rc1+ 50. Kd4 b5 51. Bg8 b4 52. Bxh7 b3 53. Bxg6 b2 54. Bf5+ Kc6 55. Be4+ Kd7 56. Bf5+ Kc6 57. Be4+ Kd7 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.17"]
[Round "3"]
[White "Vibbert, Sean"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2270"]
[BlackElo "2574"]
[PlyCount "242"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 4. Be2 h6 5. 0-0 e6 6. Ba3 Bxa3 7. Nxa3 Qe7 8. Nb5 a6 9. Nbd4 Bh7 10. Ne5 c5 11. Ndf3 0-0 12. c4 Ne4 13. Rc1 f6 14. Nd3 d4 15. exd4 cxd4 16. Nxd4 Rd8 17. Nc2 Nc6 18. f3 Nc5 19. Nf2 Rd7 20. d4 Nxd4 21. Nxd4 Rad8 22. Qe1 Rxd4 23. Qa5 e5 24. Rfd1 Bd3 25. Bxd3 Nxd3 26. Rxd3 Rxd3 27. Nxd3 Rxd3 28. c5 Qd7 29. Qa4 Qxa4 30. bxa4 Rd7 31. Kf2 Rd2+ 32. Kg3 Rxa2 33. Rb1 Rc2 34. Rxb7 Rxc5 35. Rb6 Ra5 36. Rb4 Kf7 37. Rb7+ Kg6 38. Rb4 Kf5 39. Rg4 h5 40. Rb4 Rd5 41. Rb6 Ra5 42. Rb4 Rd5 43. Rb6 a5 44. Ra6 g5 45. Kf2 Rd2+ 46. Kg1 h4 47. h3 Rd5 48. Kf2 Rc5 49. g4+ hxg3+ 50. Kxg3 Rc3 51. Rxa5 Ra3 52. Rb5 Rxa4 53. Rb3 Kg6 54. Rb6 Ra3 55. Kg4 Rd3 56. Ra6 Rd4+ 57. Kg3 Kf5 58. Ra3 Rf4 59. Ra6 e4 60. Ra5+ Kg6 61. fxe4 Rxe4 62. Ra3 Rb4 63. Ra6 Rc4 64. Rb6 Ra4 65. Rc6 Kf5 66. Rb6 Ra3+ 67. Kg2 Rd3 68. Ra6 Ke5 69. Ra5+ Ke4 70. Ra4+ Rd4 71. Ra1 f5 72. Re1+ Kf4 73. Rf1+ Ke5 74. Re1+ Re4 75. Ra1 Re3 76. Ra5+ Kf4 77. Ra4+ Re4 78. Ra2 Rd4 79. Rf2+ Ke5 80. Re2+ Kf6 81. Ra2 Kg6 82. Ra8 Rd2+ 83. Kf3 Rd3+ 84. Kg2 f4 85. Rg8+ Kf6 86. Rf8+ Kg7 87. Ra8 Rg3+ 88. Kh2 Re3 89. Kg2 Kg6 90. Ra6+ Kf5 91. Ra5+ Re5 92. Ra2 Rb5 93. Re2 Rb3 94. Ra2 Rg3+ 95. Kh2 Rd3 96. Kg2 Kg6 97. Rb2 Kh5 98. Rb8 Rd2+ 99. Kf3 Rh2 100. Rh8+ Kg6 101. Rg8+ Kf5 102. Rf8+ Ke5 103. Re8+ Kf6 104. Rh8 Rd2 105. Rf8+ Kg7 106. Rf5 Kg6 107. Rf8 Rd3+ 108. Kg2 Re3 109. Ra8 Kf5 110. Ra5+ Re5 111. Ra8 Rd5 112. Ra2 Ke4 113. Re2+ Kd3 114. Re8 Kd2 115. Kf2 Rd3 116. Rh8 Kd1 117. Rh5 Rd2+ 118. Kf3 Ke1 119. Rxg5 Rf2+ 120. Ke4 Rh2 121. Kxf4 Rxh3 1/2-1/2

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2021.06.16"]
[Round "1"]
[White "Tian, Eddy"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2204"]
[BlackElo "2574"]
[PlyCount "116"]
[EventDate "2021.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bf5 5. Nc3 a6 6. Qb3 b5 7. c5 a5 8. Nh4 Bc8 9. f4 g6 10. Bd3 Bg7 11. 0-0 0-0 12. Bd2 Ne4 13. Bxe4 dxe4 14. Nxe4 e5 15. Nf3 Be6 16. Qc3 b4 17. Qc1 exf4 18. exf4 Bxd4+ 19. Be3 Bg7 20. Nd6 Bd5 21. Bd4 Nd7 22. Bxg7 Kxg7 23. Ne5 Nf6 24. f5 Ne8 25. Nxe8+ Rxe8 26. f6+ Kh8 27. Qh6 Rg8 28. Rf4 Qf8 29. Qg5 Qxc5+ 30. Kh1 Rge8 31. Nxf7+ Kg8 32. Nh6+ Kf8 33. Nf5 Re2 34. Qh6+ Ke8 35. Nh4 Ra7 36. Raf1 Rf7 37. Nf3 Qd6 38. Qh4 Rxb2 39. Re1+ Kd8 40. Ne5 Rf8 41. f7+ Kc7 42. Nf3 Rxa2 43. Rf6 Qc5 44. Qf4+ Kb6 45. h4 Qf2 46. Rg1 Bxf3 47. gxf3 Rc2 48. Re6 Rxf7 49. Qb8+ Rb7 50. Qd8+ Kb5 51. Qd3+ Ka4 52. Ra1+ Ra2 53. Qd1+ b3 54. Rxa2+ Qxa2 55. Rxc6 Rb4 56. f4 Rxf4 57. Qe1 Qf2 58. Qa1+ Kb5 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.31"]
[Round "8"]
[White "Checa, Nicolas D"]
[Black "Zhou, Jianchao"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2574"]
[BlackElo "2615"]
[PlyCount "110"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bh4 g5 11. Bg3 Nh6 12. dxe5 dxe5 13. h3 Be6 14. Qb3 Qc8 15. Rfd1 Rf7 16. Nd5 Bf8 17. Qc3 Ne7 18. c5 c6 19. Nxf6+ Rxf6 20. Nxg5 Ng6 21. Nxe6 Rxe6 22. Bc4 Nf7 23. Bxe6 Qxe6 24. b4 Be7 25. Rd2 Bg5 26. Rd3 Re8 27. Rad1 Re7 28. a4 a6 29. b5 axb5 30. axb5 cxb5 31. Rd5 Bf4 32. Rb1 Qc6 33. h4 Bxg3 34. Qxg3 Kf8 35. Qg4 Nf4 36. Rd2 Qxe4 37. Ra1 Qg6 38. Qxg6 Nxg6 39. Rb2 Rc7 40. Rxb5 Nxh4 41. Ra8+ Ke7 42. Ra7 Nd8 43. c6 Nxc6 44. Rbxb7 Rxb7 45. Rxb7+ Ke6 46. Rxh7 Ng6 47. f3 Nce7 48. Kf2 Nf5 49. Ra7 Kf6 50. Ra6+ Kg5 51. g3 Nd4 52. f4+ exf4 53. Rxg6+ Kxg6 54. gxf4 Ne6 55. f5+ Kxf5 1/2-1/2

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.31"]
[Round "9"]
[White "Panchanathan, Magesh Chandran"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2504"]
[BlackElo "2574"]
[PlyCount "68"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. a4 c5 6. d3 Nc6 7. c3 h6 8. a5 a6 9. Qb3 Qc8 10. c4 d4 11. Qa4 Nd7 12. Na3 Be7 13. Nc2 e5 14. Nd2 0-0 15. b4 cxb4 16. Nb3 Nf6 17. Bd2 Bd7 18. Rfb1 Re8 19. Nc1 Bd8 20. Nxb4 Bxa5 21. Nb3 Bxb4 22. Bxb4 a5 23. Bd2 Nb4 24. Qxa5 Rxa5 25. Nxa5 Nc6 26. Nxb7 Qc7 27. Nc5 Rb8 28. Rxb8+ Nxb8 29. Nxd7 Nbxd7 30. Ra8+ Kh7 31. Ba5 Qc5 32. Bd8 Qb4 33. Bxf6 Qe1+ 34. Bf1 Nxf6 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.30"]
[Round "6"]
[White "Checa, Nicolas D"]
[Black "Paciorkowski, Lev"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2574"]
[BlackElo "2220"]
[PlyCount "65"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 0-0 9. Bg2 d6 10. 0-0 a5 11. Be1 f5 12. d5 Nd8 13. dxe6 Nxe6 14. e3 Bd7 15. Qc2 b6 16. Nd4 N6c5 17. b3 Qf7 18. Bc3 Rae8 19. Ba1 Bc8 20. Ne2 Ne6 21. Nd4 Bb7 22. a3 Nxd4 23. Bxd4 Ba8 24. b4 axb4 25. axb4 Ng5 26. c5 Nf3+ 27. Bxf3 Bxf3 28. cxd6 Qh5 29. Qxc7 Qf7 30. Bxb6 Qe6 31. Qc4 Bd5 32. Qd4 f4 33. exf4 1-0

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.30"]
[Round "7"]
[White "Stremavicius, Titas"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2484"]
[BlackElo "2574"]
[PlyCount "80"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Nbd7 6. Nc3 a5 7. cxd5 exd5 8. e3 h6 9. Bf4 Nh5 10. Bd3 Nxf4 11. exf4 Bd6 12. g3 0-0 13. 0-0 Re8 14. Rfe1 Rxe1+ 15. Rxe1 Nf8 16. Na4 Rb8 17. Kg2 Bg4 18. Ne5 Qc8 19. h4 Bf5 20. Nb6 Qe6 21. Re3 Bxd3 22. Qxd3 Bxe5 23. fxe5 c5 24. dxc5 Rd8 25. a3 a4 26. Nxa4 d4 27. Re4 Qc6 28. b3 Ne6 29. Kh2 Nxc5 30. Nxc5 Qxc5 31. b4 Qd5 32. a4 Qa2 33. Kg2 Qb2 34. b5 Qb4 35. e6 fxe6 36. Rxe6 Qc3 37. Qxc3 dxc3 38. Re2 Rc8 39. Rc2 b6 40. Kf3 Rc4 1/2-1/2

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.29"]
[Round "4"]
[White "Checa, Nicolas D"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2574"]
[BlackElo "2491"]
[PlyCount "118"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 h6 8. Bh4 Be7 9. Qc2 0-0 10. Bd3 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 f5 15. f3 exf3 16. Rxf3 Nf6 17. Re1 Be6 18. Rff1 Qd6 19. Nf3 Bc4 20. Ne4 Rxe4 21. Qxc4+ Qd5 22. Nd2 Qxc4 23. Nxc4 g6 24. Rf4 Rxf4 25. exf4 Rd8 26. Re6 Kf7 27. Re2 Rxd4 28. Ne5+ Kg7 29. g3 Ne4 30. Kg2 Kf6 31. Kf3 g5 32. Ke3 Rd8 33. Rc2 Rd1 34. Ke2 Rh1 35. Ke3 Re1+ 36. Re2 gxf4+ 37. gxf4 Rxe2+ 38. Kxe2 Ke6 39. Ke3 c5 40. b3 Kd5 41. Nf7 h5 42. Ne5 b5 43. a3 a6 44. Nd7 Kd6 45. Ne5 Nf6 46. h3 Nd5+ 47. Kf3 Nb6 48. Ke3 c4 49. bxc4 Nxc4+ 50. Nxc4+ bxc4 51. Kd4 c3 52. Kxc3 Kd5 53. Kd3 h4 54. a4 a5 55. Kd2 Ke4 56. Ke2 Kxf4 57. Kf2 Ke4 58. Ke2 f4 59. Kf2 f3 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.29"]
[Round "5"]
[White "Sarkar, Justin"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2360"]
[BlackElo "2574"]
[PlyCount "58"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 Bf5 6. Bd2 e6 7. Qb3 b5 8. c5 Nbd7 9. a4 Be7 10. Be2 Ne4 11. axb5 axb5 12. Rxa8 Qxa8 13. Nxb5 Qa1+ 14. Bd1 Ndxc5 15. dxc5 Nxc5 16. Qc3 cxb5 17. Qxg7 Nd3+ 18. Ke2 Rf8 19. Qc3 Nc5 20. Ne1 b4 21. Qxb4 Qa6+ 22. Kf3 e5 23. h3 e4+ 24. Kg3 Bd6+ 25. Kh4 Be5 26. f4 exf3 27. e4 Nxe4 28. Qa4+ Qxa4 29. Bxa4+ Kd8 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.28"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Moor, Nathaniel Philip"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2574"]
[BlackElo "1777"]
[PlyCount "81"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bh4 g5 11. Bg3 exd4 12. Nxd4 Nge5 13. Nf5 Ne7 14. Nxg7 Kxg7 15. f4 gxf4 16. Bxf4 N7g6 17. Be3 Be6 18. b3 Qd7 19. Qd2 Rf7 20. Rf2 f5 21. exf5 Rxf5 22. Rxf5 Bxf5 23. Rf1 Kh8 24. Nd5 c6 25. Nf4 b6 26. Bd4 Kg8 27. Nh5 Rf8 28. Bxe5 Nxe5 29. Qg5+ Ng6 30. Nf6+ Rxf6 31. Qxf6 Qe8 32. Bf3 Qe3+ 33. Kh1 Qd3 34. Rd1 Qc2 35. Rxd6 h5 36. Rd8+ Kh7 37. Bxh5 Qb1+ 38. Rd1 Qe4 39. Bf3 Qf4 40. h4 Ne5 41. Qg5 1-0

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.28"]
[Round "3"]
[White "Yu, Jennifer R"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "2312"]
[BlackElo "2574"]
[PlyCount "100"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 Nc6 8. d5 Ne5 9. Nd2 c6 10. h3 e6 11. Qb3 exd5 12. cxd5 Kh8 13. Nc4 Nxc4 14. Qxc4 c5 15. a4 a6 16. Bg5 Bd7 17. a5 b5 18. axb6 Qxb6 19. Ra2 Qb4 20. Qd3 Rfe8 21. Rfa1 Ne4 22. Bf4 a5 23. Nxe4 fxe4 24. Qc2 c4 25. Rc1 e3 26. Bxe3 Rxe3 27. fxe3 Be5 28. Rf1 Qb3 29. Qxb3 cxb3 30. Raa1 a4 31. Rab1 Rc8 32. Be4 Kg7 33. Kg2 a3 34. bxa3 b2 35. Rfd1 Ba4 36. Rd2 Rb8 37. Bc2 Bc3 38. Bxa4 Bxd2 39. Bc6 Bc1 40. Kf2 Rb3 41. a4 Ra3 42. Bb5 Ra1 43. Bd3 Rxa4 44. Ke1 Ra5 45. e4 Kf6 46. Kd1 Rc5 47. Ke1 Ke5 48. Kf2 Rc7 49. e3 Rc3 50. Ke2 Ra3 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2021.05.27"]
[Round "1"]
[White "Wu, Rochelle"]
[Black "Checa, Nicolas D"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2144"]
[BlackElo "2574"]
[PlyCount "99"]
[EventDate "2021.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Bf5 6. Nc3 e6 7. Qb3 Qd7 8. Nf3 f6 9. Be2 g5 10. Bg3 h5 11. h4 g4 12. Nd2 Nh6 13. Rc1 Bg6 14. Na4 Nf5 15. Bf4 Nfxd4 16. exd4 Nxd4 17. Qd1 e5 18. Bh2 Nxe2 19. Kxe2 d4 20. Qb3 Bf7 21. Ne4 Rh6 22. Nac5 Bxc5 23. Nxc5 Bxb3 24. Nxd7 Bd5 25. Nc5 Bxg2 26. Rhe1 Bc6 27. Kd2 Rh7 28. Nd3 Re7 29. Rc5 Rd8 30. Nxe5 fxe5 31. Rcxe5 Rxe5 32. Rxe5+ Kf7 33. Rxh5 Bf3 34. Ra5 a6 35. Be5 d3 36. Bc3 Kg6 37. Rg5+ Kh6 38. Re5 Rd7 39. Rf5 Be2 40. Be5 Kg6 41. Rg5+ Kh6 42. Rf5 Re7 43. Rf6+ Kh7 44. Rf5 Re6 45. a3 Rc6 46. Bc3 b5 47. Rf6 Rxf6 48. Bxf6 Kg6 49. Be5 Kh5 50. Bg3 1/2-1/2

[Event "Titled Tuesday intern op 27th Apr"]
[Site "Chess.com INT"]
[Date "2021.04.27"]
[Round "1"]
[White "Bellissimo, Joseph F"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2203"]
[BlackElo "2562"]
[PlyCount "141"]
[EventDate "2021.04.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bf1 Be7 13. g3 0-0 14. Bf4 Qb6 15. Nb3 Bd7 16. Bg2 Bc6 17. Be3 Qc7 18. Bf4 Qb6 19. Be3 Qc7 20. Bf4 Qc8 21. Qe2 Bxg2 22. Kxg2 Qc6+ 23. f3 Rac8 24. c3 h6 25. Nd4 Qb6 26. Be3 Qc7 27. Bf4 Qb6 28. Be3 Nd5 29. Bf2 Bc5 30. Rad1 Rfd8 31. Qe5 Qc7 32. Qe4 Nf6 33. Qe2 b5 34. g4 Kh8 35. h4 Nd5 36. Qe4 Nf4+ 37. Kh1 Nd5 38. Kg2 b4 39. Bg3 Bd6 40. Bxd6 Qxd6 41. Ne2 bxc3 42. Nxc3 Nxc3 43. Rxd6 Nxe4 44. Rxd8+ Rxd8 45. Rxe4 Rd2+ 46. Kg3 Rxb2 47. Ra4 Rb6 48. Kf4 g6 49. Ke5 Kg7 50. g5 hxg5 51. hxg5 Rb5+ 52. Kf4 a5 53. a3 Kf8 54. Kg4 Ke7 55. f4 Kd6 56. Rd4+ Rd5 57. Rc4 Rc5 58. Rd4+ Kc6 59. Rd8 Kb5 60. Rd7 Rf5 61. Rd4 Rd5 62. a4+ Kc5 63. Re4 Rd4 64. Re5+ Kb4 65. Rb5+ Kxa4 66. Rb7 e5 67. Rxf7 Kb3 68. Kg3 Rxf4 69. Rb7+ Rb4 70. Rb6 Rxb6 71. Kg4 0-1

[Event "Titled Tuesday intern op 27th Apr"]
[Site "Chess.com INT"]
[Date "2021.04.27"]
[Round "2"]
[White "Checa, Nicolas D"]
[Black "Solovchuk, Alexey"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2562"]
[BlackElo "2319"]
[PlyCount "84"]
[EventDate "2021.04.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 c5 6. Bg2 Bb7 7. e4 cxd4 8. 0-0 Nxe4 9. Ne5 d5 10. cxd5 exd5 11. Qa4+ Nd7 12. Bh3 Nec5 13. Qxd4 Qf6 14. Ndf3 Bd6 15. Nxd7 Qxd4 16. Nxd4 Nxd7 17. Re1+ Kd8 18. Nf5 Be5 19. Bg5+ f6 20. Nxg7 fxg5 21. Ne6+ Ke7 22. Nxg5 Kf6 23. Nf3 Bxb2 24. Rab1 Ne5 25. Nd2 Bc3 26. f4 Nc4 27. Re6+ Kf7 28. Nf3 h6 29. Rc1 Bf6 30. Rce1 Rhe8 31. Bg4 Rxe6 32. Bxe6+ Kg7 33. g4 Re8 34. g5 Bc3 35. Re2 Nd6 36. Kf2 d4 37. f5 hxg5 38. Nxg5 d3 39. Re3 Bd4 40. h4 d2 41. Ke2 Bxe3 42. Kxe3 d1Q 0-1

[Event "Bassano del Grappa Easter op-A 1st"]
[Site "Bassano del Grappa"]
[Date "2021.04.05"]
[Round "9"]
[White "Checa, Nicolas D"]
[Black "Bjerre, Jonas Buhl"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2562"]
[BlackElo "2550"]
[PlyCount "47"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 c5 7. Bxc4 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bxf6 Qxc3+ 11. Kf1 gxf6 12. Rc1 Qa5 13. Bb5+ Ke7 14. e5 fxe5 15. Qh5 Nd7 16. Qg5+ Kf8 17. Rxc8+ Rxc8 18. Bxd7 Qd8 19. Nxe6+ fxe6 20. Qh6+ Ke7 21. Qxe6+ Kf8 22. Qh6+ Ke7 23. Qe6+ Kf8 24. Qh6+ 1/2-1/2

[Event "Bassano del Grappa Easter op-A 1st"]
[Site "Bassano del Grappa"]
[Date "2021.04.04"]
[Round "7"]
[White "Checa, Nicolas D"]
[Black "Bernadskiy, Vitaliy"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2562"]
[BlackElo "2603"]
[PlyCount "106"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 exd4 6. Nxd4 Nc6 7. Be3 Nge7 8. Be2 0-0 9. 0-0 f5 10. Nxc6 Nxc6 11. exf5 Bxf5 12. Qd2 Qf6 13. Rad1 Qf7 14. Bf3 Kh8 15. b3 Rae8 16. Rfe1 Ne5 17. Bd5 Qd7 18. Bd4 c5 19. Be3 Ng4 20. Bf4 Bd4 21. Bg3 Be6 22. Rxe6 Rxe6 23. Bxe6 Qxe6 24. Rf1 a6 25. Ne2 Be5 26. Re1 b5 27. cxb5 axb5 28. h3 Nf6 29. Nc3 Bxc3 30. Qxc3 Qd5 31. Qa1 Kg8 32. Rd1 Qf5 33. Bxd6 Rd8 34. Be7 Rxd1+ 35. Qxd1 Kf7 36. Bxf6 Kxf6 37. Qd8+ Kg7 38. Qe7+ Kh6 39. g4 Qd5 40. Kh2 Qd4 41. Kg3 g5 42. Qf8+ Kg6 43. Qe8+ Kg7 44. Qe7+ Kh6 45. Qf8+ Kg6 46. Qe8+ Kg7 47. Qxb5 Qd6+ 48. Kg2 Qd5+ 49. Kg1 Qd1+ 50. Qf1 Qc2 51. Qc4 Qxa2 52. Qxc5 Qxb3 53. Qxg5+ Kf7 1-0

[Event "Bassano del Grappa Easter op-A 1st"]
[Site "Bassano del Grappa"]
[Date "2021.04.04"]
[Round "8"]
[White "Dardha, Daniel"]
[Black "Checa, Nicolas D"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2516"]
[BlackElo "2562"]
[PlyCount "72"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. d4 Bf5 6. Qb3 b5 7. cxd5 cxd5 8. a4 b4 9. Qxb4 Nc6 10. Qc5 Na5 11. Bxa6 Rxa6 12. Qb5+ Rc6 13. Ne5 Bd7 14. Nxd7 Nxd7 15. Nxd5 Rc8 16. Bd2 Nc4 17. Rc1 Nd6 18. Rxc8 Qxc8 19. Qa6 e6 20. Qxc8+ Nxc8 21. Nc7+ Kd8 22. Ba5 Bb4+ 23. Bxb4 Kxc7 24. Ke2 Na7 25. Rc1+ Nc6 26. Bc3 Ra8 27. b3 Nf6 28. f3 Nd5 29. Bd2 Kd7 30. Kd3 Rb8 31. Kc2 f5 32. Rd1 f4 33. e4 Ne3+ 34. Bxe3 fxe3 35. Kc3 Rc8 36. Re1 Ne5+ 0-1

