[Event "Washington op 10th"]
[Site "Rockville"]
[Date "2023.08.16"]
[Round "9"]
[White "Clasby, Derek"]
[Black "Espinosa, Pedro"]
[Result "1-0"]
[ECO "B68"]
[WhiteElo "2271"]
[BlackElo "2288"]
[PlyCount "67"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Kb1 Nxd4 11. Qxd4 Bc6 12. Be2 Qc7 13. f5 e5 14. Qd3 Nxe4 15. Nxe4 Bxe4 16. Qxe4 Bxg5 17. h4 Be7 18. Bc4 0-0 19. g4 Rac8 20. Bd5 Kh8 21. g5 f6 22. Rh2 Qc5 23. c3 Rc7 24. Rdh1 b5 25. Be6 Rd8 26. Qf3 d5 27. h5 Bf8 28. h6 gxh6 29. gxf6 Qc4 30. Rg2 Bc5 31. Qg3 Qe4+ 32. Ka1 b4 33. Qg7+ Rxg7 34. fxg7# 1-0

[Event "Washington op 10th"]
[Site "Rockville"]
[Date "2023.08.14"]
[Round "5"]
[White "Clasby, Derek"]
[Black "Tanenbaum, Zachary Chen"]
[Result "0-1"]
[ECO "C71"]
[WhiteElo "2271"]
[BlackElo "2279"]
[PlyCount "130"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 Bg4 7. Nc3 Nd7 8. h3 Bxf3 9. Qxf3 Nd4 10. Qg3 c6 11. Bd1 Nc5 12. 0-0 Nce6 13. Ne2 Nxe2+ 14. Bxe2 Be7 15. Bg4 Bh4 16. Qh2 Nd4 17. g3 h5 18. Bd1 Bf6 19. Be3 Ne6 20. h4 Qe7 21. Qh3 g5 22. hxg5 Bxg5 23. Qf5 Rg8 24. Kg2 h4 25. Qh7 0-0-0 26. Bb6 Rdf8 27. Bg4 Bf4 28. Qh5 hxg3 29. fxg3 Rg5 30. Qh4 Rfg8 31. Rf3 Qe8 32. Bxe6+ fxe6 33. Rh1 Bxg3 34. Qh7 R8g7 35. Qh3 Rh5 36. Rxg3 Rxh3 37. Rhxh3 Rxg3+ 38. Rxg3 Qf7 39. b4 Qf4 40. Be3 Qf7 41. c5 d5 42. Rg4 Qh5 43. Kg3 Qh1 44. Rg8+ Kc7 45. Bg5 dxe4 46. Rg7+ Kc8 47. Rg8+ Kc7 48. Rg7+ Kb8 49. dxe4 Qe1+ 50. Kf3 Qc3+ 51. Kf2 Qxb4 52. Be7 Qd2+ 53. Kf1 Qf4+ 54. Kg1 Qe3+ 55. Kf1 Qxe4 56. Bd6+ Ka7 57. Rg8 Qb1+ 58. Ke2 Qxa2+ 59. Kd3 a5 60. Kc3 Qa3+ 61. Kc2 Ka6 62. Ra8+ Kb5 63. Rb8 e4 64. Rxb7+ Kc4 65. Kb1 e3 0-1

[Event "Washington op 10th"]
[Site "Rockville"]
[Date "2023.08.14"]
[Round "6"]
[White "Jacobson, Aaron"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2343"]
[BlackElo "2271"]
[PlyCount "63"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 Qa5 10. Rb5 Qxa2 11. Rxc5 Nd7 12. Rb5 a6 13. Rb3 Qa5 14. h4 e5 15. Kf1 Qa4 16. h5 Rd8 17. Qc2 b5 18. hxg6 hxg6 19. Qb2 exd4 20. cxd4 Nb6 21. Bh6 Nc4 22. Qc3 Bg4 23. Bxg7 Bxf3 24. Bf6 Bh5 25. Bxh5 Rd6 26. Bd1 Rxf6 27. d5 Nd2+ 28. Qxd2 Qc4+ 29. Kg1 Qxe4 30. Rbh3 Rf8 31. Rh8+ Kg7 32. R1h7# 1-0

[Event "Washington op 10th"]
[Site "Rockville"]
[Date "2023.08.13"]
[Round "4"]
[White "Pang, Qi"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2203"]
[BlackElo "2271"]
[PlyCount "74"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. b3 c5 10. Bb2 Nc6 11. e3 d5 12. Qe2 cxd4 13. exd4 Rc8 14. Rfd1 Qc7 15. Rac1 Qb7 16. Bh3 Rcd8 17. Ng5 Bf5 18. Bg2 Qa6 19. Kf1 Qxa2 20. Bxd5 Nb4 21. Ra1 Qxb3 22. Ra3 Qc2 23. Rd2 Qb1+ 24. Rd1 Qc2 25. Rd2 Qb1+ 26. Kg2 Nc2 27. Rxa7 Ne1+ 28. Kh1 Nc2+ 29. Rd1 Qxb2 30. Bxf7+ Kh8 31. Qxe7 Rxd4 32. Rxd4 Qxd4 33. Bd5 Qd1+ 34. Kg2 Ne1+ 35. Kh1 Be4+ 36. Qxe4 Nf3+ 37. Kg2 Qg1+ 0-1

[Event "Washington op 10th"]
[Site "Rockville"]
[Date "2023.08.12"]
[Round "2"]
[White "Budisavljevic, Luka"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2495"]
[BlackElo "2271"]
[PlyCount "99"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 d4 8. 0-0 Be7 9. Na3 0-0 10. Nc4 Be6 11. e3 Rc8 12. Nfe5 Nxe5 13. Nxe5 Qb6 14. Qe2 Rfd8 15. f4 Bd5 16. e4 c4 17. Kh1 c3 18. dxc3 dxc3 19. exd5 cxb2 20. Rad1 Ba3 21. Nc4 Qc5 22. Nxb2 Nxd5 23. Nc4 Bb4 24. Qd3 Rc7 25. Ne5 f6 26. Bxd5+ Kh8 27. Qf5 Rxd5 28. Nf7+ Rxf7 29. Qxd5 Qf8 30. Qd8 Kg8 31. Rf3 Re7 32. Rfd3 Re2 33. Qd5+ Qf7 34. Qxf7+ Kxf7 35. Rd7+ Kg6 36. Rxb7 a5 37. a4 Rb2 38. g4 Bd2 39. Kg2 Bxf4+ 40. Kf3 Bd2 41. h3 Kh6 42. Ke4 Bb4 43. Rdd7 Re2+ 44. Kf3 Rh2 45. Rxg7 Rxh3+ 46. Ke4 f5+ 47. gxf5 Rh4+ 48. Kd5 Rf4 49. Rxh7+ Kg5 50. Rbg7+ 1-0

[Event "US Masters op"]
[Site "Charlotte"]
[Date "2022.11.24"]
[Round "3"]
[White "Clasby, Derek"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2252"]
[BlackElo "2561"]
[PlyCount "72"]
[EventDate "2022.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 b6 6. b3 Bb7 7. Bb2 a6 8. Bf1 d5 9. exd5 Nxd5 10. d4 Nf6 11. a3 cxd4 12. Nxd4 Nxd4 13. Bxd4 Bd6 14. h3 Qc7 15. Qc1 0-0-0 16. Qb2 h5 17. Qc3 Bh2+ 18. Kh1 Rxd4 19. Qxd4 Ng4 20. f4 Bxf4 21. hxg4 hxg4+ 22. Kg1 Bh2+ 23. Kf2 Qg3+ 24. Ke2 Bf3+ 25. Kd2 Rd8 26. Bxa6+ Kc7 27. Qxd8+ Kxd8 28. gxf3 Qf2+ 29. Re2 Qd4+ 30. Bd3 Bf4+ 31. Kd1 Qxa1 32. c3 gxf3 33. Rf2 g5 34. Rxf3 Qb2 35. Rxf4 gxf4 36. Bc2 f3 0-1

[Event "Washington op 9th"]
[Site "Rockville"]
[Date "2022.08.13"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2246"]
[BlackElo "2548"]
[PlyCount "84"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. Nc3 e6 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 a6 9. Bxd7+ Qxd7 10. Rd1 Nc6 11. Qd3 Qc7 12. Bf4 Ne5 13. Nxe5 dxe5 14. Bg5 0-0 15. Qg3 Rfd8 16. h4 Kf8 17. Qf3 Rd4 18. h5 h6 19. Be3 Rb4 20. Rab1 Qc6 21. Rd3 Nxe4 22. Nxe4 Qxe4 23. Rd7 Qxf3 24. gxf3 Rc8 25. a5 Rxc2 26. b3 Ke8 27. Rbd1 Rxb3 28. Bb6 Bh4 29. Kf1 Kf8 30. Rxb7 Kg8 31. Rc7 Rxc7 32. Bxc7 Rxf3 33. Bb6 e4 34. Kg2 Ra3 35. Rd7 Ra2 36. Kf1 f5 37. Ra7 f4 38. Bd4 e3 39. fxe3 e5 40. Bxe5 fxe3 41. Rxg7+ Kf8 42. Rg2 Rxg2 0-1

[Event "World op 50th"]
[Site "Philadelphia"]
[Date "2022.07.03"]
[Round "6"]
[White "Venkat, Raghav"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2227"]
[BlackElo "2118"]
[PlyCount "132"]
[EventDate "2022.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 g6 5. Nbd2 Bg7 6. Bd3 c5 7. c3 d6 8. h3 0-0 9. Qe2 Nc6 10. Bh2 a6 11. 0-0 b5 12. a3 Nd7 13. Rfd1 Qb6 14. Rac1 c4 15. Bc2 Rfd8 16. b3 cxb3 17. Bxb3 Na5 18. Ba2 d5 19. e4 e6 20. exd5 exd5 21. Nf1 Re8 22. Ne3 Nc4 23. Bxc4 dxc4 24. a4 Qa5 25. axb5 axb5 26. Bd6 Qa6 27. Bg3 Nb6 28. Qd2 Bh6 29. Ne5 f5 30. f4 Be4 31. Ra1 Qb7 32. Rxa8 Rxa8 33. d5 g5 34. d6 gxf4 35. d7 Nxd7 36. N3g4 fxg4 37. Nxd7 Bd3 38. Nf6+ Kg7 39. Nxg4 Re8 40. Bxf4 Qb6+ 41. Kh1 Bxf4 42. Qxf4 h6 43. Ra1 Rf8 44. Qe5+ Kg8 45. Qe7 h5 46. Qg5+ Qg6 47. Qd5+ Kh8 48. Ne5 Qf5 49. Qd4 Qf6 50. Rd1 Re8 51. Nxd3 Qxd4 52. cxd4 cxd3 53. Rxd3 Kg7 54. Kg1 Rb8 55. Kf2 Kf6 56. Ke3 b4 57. Rb3 Kf5 58. Kd3 h4 59. Rb2 b3 60. Kc4 Ke4 61. Re2+ Kf4 62. Kc3 Rb5 63. Rd2 Ke4 64. Rb2 Rb8 65. Re2+ Kd5 66. Re5+ Kd6 1/2-1/2

[Event "World op 50th"]
[Site "Philadelphia"]
[Date "2022.06.30"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Nyzhnyk, Illya"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2118"]
[BlackElo "2686"]
[PlyCount "102"]
[EventDate "2022.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 e6 9. Bd3 Bxd3 10. Qxd3 Nd7 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 Ngf6 14. Kb1 c5 15. dxc5 Bxc5 16. Ne4 Nxe4 17. Qxe4 Nf6 18. Qh4 0-0-0 19. Bc3 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. b4 Bb6 23. Be5 Kd7 24. a4 a6 25. a5 Ba7 26. Bd4 Bxd4 27. Qxd4+ Ke8 28. Qxd8+ Kxd8 29. Ne5 Nxh5 30. Nxf7+ Ke7 31. Ne5 Nf4 32. g3 Nd5 33. Nd3 h5 34. c4 Nf6 35. Kc2 g5 36. Ne5 Nd7 37. Nf3 Kf6 38. Kc3 Ne5 39. Nh2 Kf5 40. Kd4 Nc6+ 41. Kc5 Ke4 42. Kb6 Nxb4 43. Kxb7 h4 44. c5 Kd5 45. Kb6 h3 46. Ng4 e5 47. f3 Ke6 48. Kb7 Kd5 49. Kb6 Nc6 50. Ne3+ Kd4 51. Ng4 Kd5 1/2-1/2

[Event "Titled Tuesday intern op 21st Jun Early"]
[Site "Chess.com INT"]
[Date "2022.06.21"]
[Round "5"]
[White "Clasby, Derek"]
[Black "Bharath, Subramaniyam H"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2118"]
[BlackElo "2479"]
[PlyCount "68"]
[EventDate "2022.06.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 d5 6. exd5 exd5 7. 0-0 d4 8. Na4 Be7 9. c4 0-0 10. d3 a6 11. Ng5 Bd7 12. b4 Nxb4 13. a3 Nxd3 14. Qxd3 Bxa4 15. Rb1 h6 16. Ne4 Nd7 17. Bf4 Bc6 18. Rfe1 g5 19. Nd6 gxf4 20. Bxc6 Bxd6 21. Bd5 Qf6 22. Rxb7 Ne5 23. Qe4 Rae8 24. Kf1 fxg3 25. hxg3 Kh8 26. f4 Rd8 27. Kg2 Ng4 28. Rh1 Ne3+ 29. Kf3 Kg7 30. Rh5 Rb8 31. Rd7 Rbd8 32. Rb7 Qg6 33. Bxf7 Qxe4+ 34. Kxe4 Rxf7 0-1

[Event "Titled Tuesday intern op 21st Jun Early"]
[Site "Chess.com INT"]
[Date "2022.06.21"]
[Round "3"]
[White "Clasby, Derek"]
[Black "Karas, Marek"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "2118"]
[BlackElo "2294"]
[PlyCount "75"]
[EventDate "2022.06.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. Be2 Nf6 7. 0-0 Be7 8. c4 0-0 9. dxc5 Bxc5 10. Nb3 Be7 11. Bg5 dxc4 12. Bxc4 Nc6 13. Re1 Bg4 14. Qxd8 Raxd8 15. Ne5 Nxe5 16. Rxe5 Bd6 17. Ree1 Rfe8 18. h3 Bf5 19. Nd4 Bc8 20. Rxe8+ Rxe8 21. Bxf6 gxf6 22. Nf3 Bc5 23. Rc1 Bb6 24. Kf1 Bf5 25. Re1 Rc8 26. b3 Bc5 27. a4 Bb4 28. Rd1 Rc5 29. Rd8+ Kg7 30. Nd4 Bg6 31. Rd7 Kh6 32. Rxb7 a5 33. g4 Kg5 34. Kg2 Be4+ 35. Kg3 Bxb7 36. Bxf7 Bd5 37. f4+ Kh6 38. Nf5# 1-0

[Event "Titled Tuesday intern op 21st Jun Early"]
[Site "Chess.com INT"]
[Date "2022.06.21"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Warchol, Kamil"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2118"]
[BlackElo "1991"]
[PlyCount "97"]
[EventDate "2022.06.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 a6 5. a4 Nc6 6. h3 e6 7. 0-0 d5 8. exd5 exd5 9. Ba2 Be7 10. c3 d4 11. cxd4 cxd4 12. Bg5 0-0 13. Bxf6 Bxf6 14. Nbd2 Bf5 15. Ne4 Bxe4 16. dxe4 Re8 17. Re1 d3 18. Bd5 Nb4 19. Bxf7+ Kxf7 20. Qb3+ Kg6 21. Qxb4 a5 22. Qb5 Ra6 23. Qf5+ Kh6 24. e5 g6 25. Qf4+ Bg5 26. Qe4 Rb6 27. Rad1 d2 28. Re2 Rxb2 29. h4 Be7 30. Rexd2 Rxd2 31. Rxd2 Qc8 32. Rc2 Qd7 33. e6 Qd1+ 34. Kh2 Bd6+ 35. g3 Re7 36. Rd2 Qf1 37. Qe3+ Kg7 38. Qd4+ Kh6 39. Qxd6 Rg7 40. Qf4+ g5 41. Qxg5+ Rxg5 42. Nxg5 Qe1 43. Rb2 Kg6 44. Kg2 h6 45. Nf3 Qxe6 46. Rxb7 Qd5 47. Rb5 Qe4 48. Rxa5 Qd3 49. Ne5+ 1-0

[Event "Titled Tuesday intern op 21st Jun Early"]
[Site "Chess.com INT"]
[Date "2022.06.21"]
[Round "4"]
[White "Kvaloy, Aksel Bu"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "B16"]
[WhiteElo "2270"]
[BlackElo "2118"]
[PlyCount "104"]
[EventDate "2022.06.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bf5 7. Bd3 e6 8. Bxf5 Qa5+ 9. Qd2 Qxf5 10. c3 Bd6 11. Qe2 Rg8 12. Bd2 Nd7 13. 0-0-0 0-0-0 14. h3 Rxg2 15. Nh4 Qxf2 16. Qe4 Rg7 17. Rdf1 f5 18. Rxf2 fxe4 19. Bh6 Rdg8 20. Bxg7 Rxg7 21. Rg2 Rxg2 22. Nxg2 f5 23. Rf1 Kd8 24. Kd2 Ke7 25. Ke3 b5 26. Nf4 Nb6 27. b3 Bxf4+ 28. Kxf4 Nd5+ 29. Ke5 Nxc3 30. Rc1 b4 31. a3 a5 32. axb4 axb4 33. Ra1 e3 34. Ra7+ Kd8 35. Kxe6 e2 36. Ra1 f4 37. Kd6 Kc8 38. Kxc6 Kb8 39. Rg1 f3 40. Rg8+ Ka7 41. Rg7+ Ka6 42. Rg8 Nb5 43. Rg1 f2 44. Ra1+ Na3 45. d5 e1Q 46. d6 Qxa1 47. d7 Qc3+ 48. Kd6 Qd4+ 49. Kc7 f1Q 50. Kb8 Qa7+ 51. Kc8 Qb7+ 52. Kd8 Qf8# 0-1

[Event "Titled Tuesday intern op 21st Jun Early"]
[Site "Chess.com INT"]
[Date "2022.06.21"]
[Round "2"]
[White "Terry, Renato"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2502"]
[BlackElo "2118"]
[PlyCount "141"]
[EventDate "2022.06.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 g5 7. Ne2 Bg7 8. Ng3 Qe7 9. Nh5 Rg8 10. e5 Kf8 11. Qe2 dxe5 12. Nxg7 Kxg7 13. Qxe5+ f6 14. Qe4 Kf8 15. Nd2 Nc6 16. 0-0-0 Bd7 17. Rde1 Re8 18. Qf3 Kg7 19. h4 Rh8 20. Qe4 Qf7 21. f4 g4 22. h5 f5 23. Qe2 Qf6 24. Nb3 b6 25. Nd2 Re7 26. Bb5 Rd8 27. Nb3 a5 28. Qc4 a4 29. Bxa4 Na5 30. Nxa5 Bxa4 31. Qxa4 Ra8 32. Re5 c5 33. dxc5 Rxa5 34. Qb3 bxc5 35. g3 c4 36. Qb4 Rxe5 37. fxe5 Qg5+ 38. Kb1 Rd7 39. Qxc4 Qe3 40. a4 Qxe5 41. Qb5 Qe4+ 42. Ka2 Rb7 43. Re1 Rxb5 44. Rxe4 fxe4 45. axb5 e3 46. b6 e2 47. b7 e1Q 48. b8Q Qe4 49. Qc7+ Kf6 50. b4 Qc2+ 51. Ka3 Qc1+ 52. Ka4 Qa1+ 53. Kb5 Qa8 54. Kb6 Qf3 55. b5 Qe3+ 56. Kb7 e5 57. b6 Qxg3 58. Qd6+ Kf5 59. Qd7+ Kf4 60. Qf7+ Ke4 61. Qc4+ Kf5 62. Ka8 Qe1 63. b7 Qa1+ 64. Kb8 g3 65. Kc8 g2 66. Qf7+ Ke4 67. Qc4+ Kf3 68. b8Q g1Q 69. Qb7+ Kg3 70. Qg7+ Kh2 71. Qh4# 1-0

[Event "Titled Tuesday intern op 23rd Mar"]
[Site "Chess.com INT"]
[Date "2021.03.23"]
[Round "1"]
[White "Cagara, Paulina"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2027"]
[BlackElo "2001"]
[PlyCount "32"]
[EventDate "2021.03.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Ne4 6. Qe2 f5 7. exf6 d5 8. f7+ Kxf7 9. Nxd4 Nxd4 10. cxd4 Bb4+ 11. Bd2 Nxd2 12. Kd1 Nxb1 13. Rxb1 Bf5 14. Qf3 Qf6 15. Rc1 c6 16. Be2 Qxd4+ 0-1

[Event "Titled Tuesday intern op 23rd Mar"]
[Site "Chess.com INT"]
[Date "2021.03.23"]
[Round "2"]
[White "Clasby, Derek"]
[Black "Karthikeyan, Murali"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "2001"]
[BlackElo "2606"]
[PlyCount "87"]
[EventDate "2021.03.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Qc7 7. Be3 a6 8. Be2 b5 9. 0-0 Bb7 10. f4 Bc5 11. e5 Qb6 12. exf6 Bxd4 13. Bxd4 Nxd4 14. Rf2 gxf6 15. Bf1 Rg8 16. Kh1 Nb3 17. Rd2 Nxa1 18. Qxa1 Rg4 19. Rxd7 Kxd7 20. Qd1+ Ke7 21. Qxg4 Qf2 22. Qe2 Qxf4 23. Kg1 Rd8 24. Nd1 Rd2 25. Qe1 Qd4+ 26. Ne3 Kf8 27. c3 Qd6 28. Qh4 Qc5 29. Qh6+ Ke7 30. Kh1 Rf2 31. Kg1 Rxb2 32. Qf4 Rb1 33. Qf2 Ke8 34. h3 f5 35. Kh2 Rc1 36. Qf4 Rxc3 37. Qb8+ Bc8 38. Nd1 Qc7+ 39. Qxc7 Rxc7 40. Nb2 Rc1 41. Bd3 Rc3 42. a4 Rb3 43. Nd1 Rxd3 44. axb5 0-1

[Event "Titled Tuesday intern op 23rd Mar"]
[Site "Chess.com INT"]
[Date "2021.03.23"]
[Round "3"]
[White "Pasti, Aron"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2222"]
[BlackElo "2001"]
[PlyCount "147"]
[EventDate "2021.03.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Be3 h6 18. Nh2 Kh7 19. f4 exf4 20. Bxf4 Nc5 21. Ng4 Nxg4 22. Qxg4 Bg7 23. h4 Be5 24. h5 g5 25. Bxe5 Rxe5 26. Nf5 bxa4 27. Nd4 Qe7 28. Nf3 Bc8 29. Qg3 Bd7 30. Nxe5 Qxe5 31. Qxe5 dxe5 32. d6 Rb8 33. Ra2 Bc6 34. Kf2 Kg7 35. Ke3 Kf6 36. Rd1 Ke6 37. d7 Bxd7 38. Rd5 Rb5 39. Bxa4 Nxa4 40. Rxa4 Rxb2 41. Rxa6+ Ke7 42. Ra7 Rxg2 43. Raxd7+ Kf6 44. R5d6+ Kg7 45. Rg6+ Kf8 46. Rxh6 Rg3+ 47. Kf2 Rxc3 48. Rh8+ Kg7 49. Re8 Rc2+ 50. Ke3 Rc1 51. Kf2 Rc2+ 52. Kg3 Rc3+ 53. Kg4 Re3 54. Ree7 Rxe4+ 55. Kxg5 Rf4 56. h6+ Kg8 57. Rxe5 Rf1 58. Re8+ Kh7 59. Rf8 Rg1+ 60. Kf6 Rf1+ 61. Ke5 Kg6 62. h7 Re1+ 63. Kd6 Kxh7 64. Rfxf7+ Kg6 65. Rg7+ Kh5 66. Rh7+ Kg6 67. Rh3 Rd1+ 68. Ke7 Re1+ 69. Kf8 Re4 70. Rc7 Rf4+ 71. Kg8 Kf6 72. Rf7+ Ke5 73. Rxf4 Kxf4 74. Rh4+ 1-0

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.29"]
[Round "9"]
[White "Azarov, Sergei Nikolaevich"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2604"]
[BlackElo "2001"]
[PlyCount "99"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 h6 18. Be3 Kh7 19. Qd2 Qc7 20. Nh2 Bg7 21. Rf1 Re7 22. Kh1 Nc5 23. f3 Rb8 24. axb5 axb5 25. Ng4 Nxg4 26. hxg4 Ree8 27. Kg1 Ra8 28. Kf2 f6 29. Rxa8 Rxa8 30. Rh1 g5 31. Nf5 Bc8 32. Bxg5 fxg5 33. Qxg5 Ra1 34. Rxh6+ Bxh6 35. Qxh6+ Kg8 36. Qg6+ Kf8 37. Qf6+ Qf7 38. Qd8+ Qe8 39. Qxd6+ Kg8 40. Qxc5 Bxf5 41. exf5 Qd8 42. g3 Qg5 43. Qc8+ Kf7 44. Qe6+ Kf8 45. Qd6+ Kf7 46. Qg6+ Qxg6 47. fxg6+ Ke8 48. d6 Ra6 49. d7+ Kxd7 50. g7 1-0

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.29"]
[Round "8"]
[White "Clasby, Derek"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2001"]
[BlackElo "2624"]
[PlyCount "145"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Nbd7 8. Nf3 Kc8 9. a3 Ng4 10. Bh4 Bc5 11. Rd2 f6 12. h3 Nh6 13. Na4 Be7 14. Ne1 Nf7 15. f3 c6 16. c4 Nb6 17. Nxb6+ axb6 18. Nc2 Rd8 19. Be2 Ra4 20. Bf2 Bc5 21. Bxc5 bxc5 22. Rxd8+ Nxd8 23. b3 Ra8 24. Kb2 Bd7 25. h4 Ne6 26. g3 Kc7 27. Bf1 Rd8 28. Kc3 Bc8 29. Bh3 Nd4 30. Nxd4 cxd4+ 31. Kc2 Bxh3 32. Rxh3 Ra8 33. Kb2 Kd6 34. Rh1 Kc5 35. h5 d3 36. Kc3 Rxa3 37. Rd1 Ra2 38. Rxd3 Rf2 39. b4+ Kb6 40. g4 g6 41. hxg6 hxg6 42. Kb3 Ka6 43. Ka4 Rf1 44. Ka3 Kb6 45. Ka4 Kc7 46. Kb3 b6 47. Kb2 Rh1 48. Kc2 Rh4 49. Kc3 f5 50. exf5 gxf5 51. Re3 Kd6 52. Rd3+ Ke7 53. gxf5 Rf4 54. c5 bxc5 55. bxc5 Rxf5 56. Kb4 Rf4+ 57. Ka5 Rd4 58. Rxd4 exd4 59. Kb4 Ke6 60. f4 Kf5 61. Kc4 Ke4 62. f5 d3 63. Kc3 Ke3 64. f6 d2 65. f7 d1Q 66. f8Q Qc1+ 67. Kb3 Qb1+ 68. Kc3 Qd3+ 69. Kb4 Qb1+ 70. Kc3 Qd3+ 71. Kb4 Qb5+ 72. Kc3 Qd3+ 73. Kb4 1/2-1/2

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.29"]
[Round "7"]
[White "Hua, Eugene"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2336"]
[BlackElo "2001"]
[PlyCount "133"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 d6 8. d3 Bg4 9. f3 Bd7 10. Be3 a6 11. a3 Rb8 12. Rb1 b5 13. cxb5 axb5 14. b4 cxb4 15. axb4 Ne8 16. Qd2 Nc7 17. d4 Na6 18. Nd5 e6 19. Ndf4 Ne7 20. Ra1 Ra8 21. Ra3 Qb8 22. Rfa1 Nc7 23. Nc3 Rxa3 24. Rxa3 Nc8 25. Bf2 Nb6 26. Ra2 Nc4 27. Qd3 Qb7 28. Qb1 Ra8 29. Nd3 Qb6 30. Ne2 Ra4 31. Qb3 Qa7 32. Nc3 Ra6 33. Rxa6 Nxa6 34. e5 Nb8 35. Qa2 Qxa2 36. Nxa2 dxe5 37. dxe5 Nxe5 38. Nac1 Bc6 39. Nxe5 Bxe5 40. Nd3 Bd6 41. Bc5 Bxc5+ 42. Nxc5 Kf8 43. Kf2 Ke7 44. Ke3 Kd6 45. Bf1 e5 46. f4 f6 47. fxe5+ Kxe5 48. Bh3 Be8 49. Nd3+ Kd6 50. Bg2 Bf7 51. Kd4 Bc4 52. Nc5 f5 53. Nb7+ Ke7 54. Nc5 Bf7 55. Nd3 Be8 56. Nc5 Bc6 57. Bf1 Kd6 58. Be2 Nd7 59. Nxd7 Bxd7 60. h4 h6 61. Bf1 Bc6 62. Be2 g5 63. hxg5 hxg5 64. Bf1 f4 65. gxf4 g4 66. Ke3 g3 67. Bxb5 1/2-1/2

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.28"]
[Round "5"]
[White "Clasby, Derek"]
[Black "Sethuraman, Sandeep"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2001"]
[BlackElo "2037"]
[PlyCount "240"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Bg5 Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Qd3 Nd7 12. 0-0-0 Rc8 13. Kb1 b5 14. f4 Bxd5 15. Qxd5 Qc7 16. Qd2 Nf6 17. Nc3 exf4 18. Bd3 Be7 19. Qxf4 0-0 20. Nd5 Nxd5 21. exd5 h4 22. Rde1 Rce8 23. Qg4 Bd8 24. Rxe8 Rxe8 25. Qh5 Bf6 26. Qh7+ Kf8 27. Qh8+ Ke7 28. Re1+ Be5 29. Qxg7 Kd8 30. Qg5+ Qe7 31. Qe3 Bd4 32. Qxe7+ Rxe7 33. Rf1 Be5 34. c3 Kc7 35. Kc2 Bg3 36. Rf3 Kb6 37. Kb3 Kc5 38. a4 Rb7 39. axb5 axb5 40. Kc2 Kxd5 41. Rf5+ Ke6 42. Rxb5 Rxb5 43. Bxb5 f5 44. Be2 Kd7 45. Kd3 Kc7 46. Kd4 f4 47. Kd5 Bf2 48. Kc4 Kb6 49. Bf3 Bg3 50. Be4 Bf2 51. Kd5 Kc7 52. Ke6 Bg3 53. Bf3 Bf2 54. Kf5 Bg3 55. Ke4 Kb6 56. Kd4 Kc7 57. b3 Bf2+ 58. Ke4 Bg3 59. Kd4 Bf2+ 60. Kd5 Be1 61. Kc4 Kb6 62. b4 Bg3 63. Kd5 Be1 64. Kd4 Kc7 65. Be2 Kb6 66. Kd3 Kc7 67. Kc2 Kb6 68. Kb3 Kc7 69. Ba6 Kb6 70. Bc8 Kc7 71. Be6 Kb6 72. Bd7 Kc7 73. Be8 Kb6 74. Kc4 Kc7 75. Kd4 Kb6 76. Ba4 Kc7 77. Bd1 Kb6 78. Bh5 Kc7 79. Be8 Kb6 80. b5 Kc7 81. c4 Bf2+ 82. Ke4 Bg3 83. Bh5 Bh2 84. Bf3 Bg3 85. Kd5 Bf2 86. Ke6 Bg3 87. Kf5 Kb6 88. Bd5 Kc7 89. Kg5 Kb6 90. Kf6 Kc7 91. Ke7 Bf2 92. Be4 Bg3 93. Ke6 Bf2 94. Bf3 Bg3 95. Kf5 Kb6 96. Ke4 Kc7 97. Kd5 Bf2 98. Ke6 Bg3 99. b6+ Kxb6 100. Kxd6 Bf2 101. Ba8 Bd4 102. Bc6 Bc5+ 103. Kd5 Bf2 104. Be8 Kc7 105. c5 Bg3 106. Bh5 Bf2 107. Bf3 Bg3 108. Ke5 Bf2 109. Kd5 Bg3 110. Bd1 Bf2 111. Ba4 Bg3 112. Ke4 Kd8 113. Kf3 Kc7 114. Kg4 Kd8 115. Kf5 Kc7 116. Ke6 Bf2 117. c6 Bg3 118. Kf5 Kd8 119. Ke4 Kc7 120. Kd5 Bf2 1/2-1/2

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.28"]
[Round "4"]
[White "Nyzhnyk, Illya"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2679"]
[BlackElo "2001"]
[PlyCount "79"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Be7 6. h3 c5 7. Bd3 Nc6 8. c3 d6 9. Bh2 Qd7 10. Qe2 a6 11. a3 b5 12. e4 0-0 13. e5 dxe5 14. dxe5 Nd5 15. Ne4 Rfd8 16. Rd1 c4 17. Bc2 Bf8 18. Nfg5 h6 19. Nh7 Qe7 20. Nxf8 Qxf8 21. Nd6 Rd7 22. Qe4 g6 23. h4 Qg7 24. h5 g5 25. 0-0 Nce7 26. Qe2 Rad8 27. f4 gxf4 28. Bxf4 Nf5 29. Bxf5 exf5 30. Rxd5 Bxd5 31. Nxf5 Qf8 32. Bxh6 Qc5+ 33. Be3 Qf8 34. Bg5 Rb8 35. Bf6 Be6 36. Kh2 Rd3 37. Rf4 Kh7 38. Ne7 Rb7 39. Qe4+ Kh6 40. Qxb7 1-0

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.28"]
[Round "6"]
[White "Singireddy, Sathvik"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C90"]
[WhiteElo "1683"]
[BlackElo "2001"]
[PlyCount "62"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 g6 14. h3 h6 15. Bd2 Nc6 16. a4 Be6 17. Nh2 Bg7 18. f4 exf4 19. Bxf4 d5 20. e5 Nd7 21. d4 cxd4 22. cxd4 Qc7 23. Rc1 Rac8 24. Nf3 Qa5 25. Qd2 Qxd2 26. Bxd2 Bf8 27. axb5 Nb4 28. Bb1 axb5 29. Rxc8 Rxc8 30. Ne2 g5 31. Nc3 Rb8 0-1

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.27"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Li, Thomas"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2001"]
[BlackElo "1822"]
[PlyCount "79"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Bxd5 11. Qxd5 Nc6 12. Nc3 0-0 13. Bd3 Qb6 14. Qb3 Qxb3 15. axb3 Nb4 16. 0-0-0 Nc6 17. Nd5 Bg5+ 18. Kb1 Nd4 19. Nb6 Ra7 20. Bc4 Bd8 21. Nc8 Ra8 22. Nxd6 b5 23. Bd5 Rb8 24. c3 Ne6 25. b4 g6 26. Bb3 Be7 27. Rd2 Rfd8 28. Rhd1 Rb6 29. Bxe6 fxe6 30. Nc4 Rxd2 31. Nxd2 Rd6 32. Kc2 Bg5 33. Nb3 Rc6 34. Rd7 h5 35. Na5 Rb6 36. Nb7 Kf8 37. Nc5 Bh4 38. g3 Be7 39. Ra7 h4 40. Nd7+ 1-0

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.27"]
[Round "3"]
[White "Clasby, Derek"]
[Black "Zhang, Samuel"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2001"]
[BlackElo "2033"]
[PlyCount "53"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. a3 Bb7 9. Bg2 Be7 10. 0-0 Nfd7 11. f4 0-0 12. f5 e5 13. Nb3 Nc6 14. Be3 Nb6 15. Nd5 Nxd5 16. exd5 Na5 17. Nxa5 Qxa5 18. f6 Bxf6 19. Rxf6 gxf6 20. Qf3 Qd8 21. Rf1 Qe7 22. Qg3 Kh8 23. Qh4 Rae8 24. Rf5 Rg8 25. Rh5 Rg7 26. Bh6 Rgg8 27. Bf8 1-0

[Event "USA National op 51st"]
[Site "ICC INT"]
[Date "2020.11.27"]
[Round "2"]
[White "Guseinov, Gadir"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2665"]
[BlackElo "2001"]
[PlyCount "154"]
[EventDate "2020.11.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Bd6 9. Nc4 Bxf3 10. Qxf3 Qxf3 11. gxf3 f6 12. f4 exf4 13. Nxd6+ cxd6 14. Bxf4 Kd7 15. a4 Ne7 16. a5 d5 17. f3 Rag8 18. Rae1 g5 19. Bg3 f5 20. exd5 Nxd5 21. c4 Ne3 22. Rxe3 f4 23. Re5 fxg3 24. f4 gxf4 25. Rxf4 Re8 26. Rf7+ Kc8 27. Rxe8+ Rxe8 28. Rf5 h4 29. Kf1 Rh8 30. Kg2 Rh7 31. Rf4 Kd7 32. d4 Ke6 33. Rg4 Kf5 34. Kf3 Rh6 35. b3 Rg6 36. Rf4+ Kg5 37. Rg4+ Kf5 38. b4 Rh6 39. Kg2 Rh7 40. Kf1 Kf6 41. Re4 Kf5 42. Re5+ Kf6 43. Re4 Kf5 44. Rg4 Kf6 45. Ke2 Rg7 46. Kf3 Rh7 47. Rf4+ Kg6 48. Kg2 Kg5 49. Kf3 Kg6 50. Kg2 Kg5 51. Re4 Kf5 52. Rg4 Kf6 53. Kg1 Kf5 54. Kf1 Kf6 55. Ke2 Re7+ 56. Kf3 Rg7 57. Rf4+ Ke6 58. Kg2 Rh7 59. Rf8 Rd7 60. Rf4 Rh7 61. Kg1 Rh6 62. Kh1 Rh7 63. Kg2 Rh6 64. Re4+ Kd6 65. Rg4 Rh7 66. Rg6+ Ke7 67. d5 cxd5 68. cxd5 Rf7 69. Rh6 Rf4 70. Rb6 Rd4 71. Rxb7+ Kd6 72. b5 axb5 73. Rxb5 Rd2+ 74. Kg1 Rd1+ 75. Kg2 Rd2+ 76. Kg1 Rd1+ 77. Kg2 Rd2+ 1/2-1/2

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "6"]
[White "Bok, Benjamin"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2624"]
[BlackElo "2001"]
[PlyCount "49"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Nd7 11. Nd2 f5 12. Nb3 fxe4 13. Nxe4 Nf5 14. Ba3 Nd4 15. c5 Nf6 16. Bd3 Nxe4 17. Bxe4 Qh4 18. f3 Bf5 19. Qd3 Bh6 20. g3 Qg5 21. cxd6 Bxe4 22. fxe4 Qe3+ 23. Qxe3 Bxe3+ 24. Kg2 cxd6 25. Bxd6 1-0

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "7"]
[White "Clasby, Derek"]
[Black "Boyer, Mahel"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2001"]
[BlackElo "2294"]
[PlyCount "105"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. Nxe4 c6 6. Bc4 cxd5 7. Qxd5 Qxd5 8. Bxd5 e6 9. Bb3 Bd7 10. Nf3 Bc6 11. Ned2 Nd7 12. 0-0 Bc5 13. Re1 Ngf6 14. c3 0-0 15. Nc4 Bxf3 16. gxf3 Nd5 17. Bg5 h6 18. Bh4 N7b6 19. Ne5 Be7 20. Bg3 Rfd8 21. Rad1 Rac8 22. a4 Bf6 23. Ng4 Bg5 24. h4 Be7 25. Ne5 Bf6 26. a5 Bxe5 27. Bxe5 Nc4 28. Bxc4 Rxc4 29. b3 Rcc8 30. c4 Nb4 31. Bc3 Nd3 32. Re2 Nc5 33. Rxd8+ Rxd8 34. b4 Na4 35. Be5 f6 36. Bg3 Rd4 37. Rc2 e5 38. Kf1 Kf7 39. b5 b6 40. Ke2 Ke6 41. h5 Ke7 42. Ke3 Ke6 43. f4 Nc5 44. fxe5 fxe5 45. f4 Re4+ 46. Kf3 exf4 47. Bxf4 Rd4 48. Bb8 Rd7 49. Re2+ Kf5 50. a6 Rf7 51. Re5+ Kf6 52. Rd5 Ne6 53. Bd6 1-0

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "8"]
[White "Clasby, Derek"]
[Black "Harsha, Bharathakoti"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2001"]
[BlackElo "2509"]
[PlyCount "50"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 a5 10. Bb5 Nxe4 11. Nd5 a4 12. Nd2 Nf6 13. Nxe7+ Nxe7 14. Bd3 Ng4 15. Qe2 Nd5 16. fxe5 dxe5 17. Nc4 b5 18. Nxe5 Re8 19. Bxh7+ Kxh7 20. Qd3+ Kg8 21. Nxf7 Qb6+ 22. Kh1 Nf2+ 23. Rxf2 Qxf2 24. Nh6+ gxh6 25. Qxd5+ Be6 0-1

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "4"]
[White "Clasby, Derek"]
[Black "Trichkov, Vasil"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2001"]
[BlackElo "2302"]
[PlyCount "61"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e5 7. Nde2 b5 8. Bg5 Bb7 9. Bxf6 Qxf6 10. Nd5 Qd8 11. a4 Nd7 12. Nec3 bxa4 13. Bc4 Be7 14. 0-0 0-0 15. Nxa4 Rc8 16. b3 Kh8 17. Qe2 f5 18. exf5 Rxf5 19. Ne3 Rf8 20. Bxa6 Bxa6 21. Qxa6 Nf6 22. c4 Qc7 23. Nb6 Rb8 24. Nbd5 Nxd5 25. Nxd5 Qd7 26. b4 Bd8 27. Qa7 Rb7 28. Qa4 Qc8 29. b5 Rbf7 30. b6 Qc5 31. Qa3 1-0

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "10"]
[White "Clasby, Derek"]
[Black "Zhao, Erick"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2001"]
[BlackElo "2039"]
[PlyCount "97"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 0-0 11. c4 Nc6 12. Nec3 Nd4 13. Bd3 b5 14. 0-0 Rb8 15. cxb5 axb5 16. Qxh5 Be6 17. b4 Bg5 18. Kh1 Bd2 19. Qd1 Bxd5 20. Nxd5 Bh6 21. a4 bxa4 22. Qxa4 Qh4 23. Qd7 Nb3 24. Ne7+ Kh8 25. Nf5 Qf4 26. Rad1 Rxb4 27. Qxd6 Rbb8 28. Nxh6 gxh6 29. Bc4 Rfd8 30. Qxd8+ Rxd8 31. Rxd8+ Kg7 32. Bxb3 Qxe4 33. Rdd1 f5 34. Bd5 Qf4 35. g3 Qg5 36. Kg2 e4 37. Rc1 Qh5 38. Rc7+ Kf6 39. Bc4 Qf3+ 40. Kg1 h5 41. Rf7+ Ke5 42. Ra1 e3 43. Re7+ Kd4 44. Rxe3 Qb7 45. Bf1 f4 46. Rd1+ Kc5 47. Rc3+ Kb4 48. Rb1+ Kxc3 49. Rxb7 1-0

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "5"]
[White "Popadic, Dragan"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2171"]
[BlackElo "2001"]
[PlyCount "104"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Na5 10. Bc2 c5 11. h3 Re8 12. Nbd2 Bf8 13. Nf1 Qc7 14. Ng3 g6 15. Be3 h6 16. Nh4 Kh7 17. Qf3 Bg7 18. Rad1 Be6 19. Bb1 Rac8 20. d4 cxd4 21. cxd4 Nc4 22. d5 Nxe3 23. Qxe3 Bd7 24. Rc1 Qb7 25. Nf3 Rxc1 26. Rxc1 Rc8 27. Rc3 b4 28. Rc1 Bb5 29. Qe1 a5 30. Nd2 Nd7 31. Ngf1 Nc5 32. Ne3 h5 33. Ndc4 Qa6 34. b3 Bh6 35. Rd1 Kg7 36. Kh1 Bg5 37. g3 h4 38. g4 Rb8 39. Kg2 Bd7 40. Qe2 a4 41. Qb2 Bf4 42. Kg1 axb3 43. axb3 Ra8 44. Ng2 Bg5 45. f4 Bf6 46. g5 Be7 47. fxe5 Bxg5 48. exd6+ Kg8 49. e5 Qa1 50. Qe2 Qc3 51. e6 fxe6 52. dxe6 Bxe6 0-1

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "3"]
[White "Quparadze, Giga"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2463"]
[BlackElo "2001"]
[PlyCount "113"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Be7 7. 0-0 d6 8. Nd5 0-0 9. Nxf6+ Bxf6 10. c3 Na5 11. Bc2 c5 12. h3 Bb7 13. d4 cxd4 14. cxd4 Rc8 15. d5 Qc7 16. Bd3 Qb8 17. b3 Ba8 18. Nh2 g6 19. Ng4 Bg7 20. Ne3 Nb7 21. b4 Rc3 22. Bb2 Rc7 23. a4 bxa4 24. Rxa4 a5 25. b5 Rfc8 26. Ba3 Bh6 27. Nc4 Nc5 28. Bxc5 Rxc5 29. Nxa5 Rc1 30. Qf3 Rxf1+ 31. Bxf1 Rc1 32. Qd3 Bg5 33. Nc6 Bxc6 34. dxc6 Bd8 35. Ra2 Bb6 36. Rc2 Ra1 37. g3 Kg7 38. Kg2 Qc7 39. Qf3 Ra5 40. Bc4 h5 41. Rd2 Ra4 42. Qd3 Bd4 43. Qb3 Ra5 44. Bd5 Bc5 45. Rc2 Ra3 46. Qb2 Ra8 47. Rxc5 dxc5 48. b6 Qd6 49. c7 Rf8 50. Qb5 c4 51. Qxc4 f5 52. b7 fxe4 53. c8Q Rxf2+ 54. Kxf2 Qb6+ 55. Q8c5 Qb2+ 56. Qc2 e3+ 57. Kxe3 1-0

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "1"]
[White "Sakorenko, Adriana"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "E22"]
[WhiteElo "2216"]
[BlackElo "2001"]
[PlyCount "138"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qb3 Nc6 6. Bg5 dxc4 7. Qxc4 h6 8. Bh4 Qd5 9. Qd3 g5 10. Bg3 b6 11. a3 Bxc3+ 12. bxc3 Ne4 13. e3 Bb7 14. Bxc7 Rc8 15. Bg3 Na5 16. Rc1 Qa2 17. Qc2 Qxc2 18. Rxc2 Nxc3 19. Bd3 Ke7 20. 0-0 Be4 21. Ne5 Bxd3 22. Nxd3 Nb5 23. Ra2 Rc3 24. a4 Nd6 25. Ne5 Rhc8 26. Raa1 Ne4 27. Rfd1 f6 28. Nf3 Rc2 29. Ne1 Re2 30. Nd3 Nxg3 31. hxg3 Rcc2 32. Rf1 Red2 33. Nb4 Rb2 34. Rab1 Kd6 35. Rfc1 Rxb1 36. Rxb1 Nc4 37. Na6 Rb2 38. Rc1 Nd2 39. Nc7 Kd7 40. Nb5 a6 41. Nc3 b5 42. axb5 axb5 43. d5 b4 44. dxe6+ Kxe6 45. Nb5 Rb1 46. Nd4+ Kd5 47. Rxb1 Nxb1 48. Kf1 Kc4 49. Ke2 Kc3 50. Nb5+ Kc2 51. Nd4+ Kb2 52. Kd3 Nc3 53. Kc4 Nd1 54. Kxb4 Nxf2 55. Nf5 Ng4 56. Kc5 Kc3 57. Kd5 Kd3 58. e4 h5 59. Ng7 h4 60. gxh4 gxh4 61. Nf5 Ne3+ 62. Nxe3 Kxe3 63. Ke6 Kxe4 64. Kxf6 Kf4 65. Kg6 Kg4 66. Kh6 Kf4 67. Kh5 Kg3 68. Kg5 h3 69. gxh3 Kxh3 1/2-1/2

[Event "Titled Tuesday intern op 21st July"]
[Site "Chess.com INT"]
[Date "2020.07.21"]
[Round "9"]
[White "Valdes Romero, Leonardo"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2402"]
[BlackElo "2001"]
[PlyCount "87"]
[EventDate "2020.07.21"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 g6 5. c4 Bg7 6. Nc3 0-0 7. d4 Ne4 8. Nxe4 Bxe4 9. Be3 d6 10. Qd2 Nd7 11. Bh6 Nf6 12. Rad1 c5 13. Bxg7 Kxg7 14. Qe3 Bxf3 15. Bxf3 cxd4 16. Qxd4 Rc8 17. b3 Qc7 18. Rd2 Rfd8 19. Rfd1 h5 20. h4 Qc5 21. Qb2 b5 22. Rd5 Qc7 23. Rxb5 Rb8 24. a4 a6 25. Rxb8 Rxb8 26. Qc3 a5 27. Rd5 e6 28. Rb5 Rxb5 29. axb5 e5 30. Bc6 d5 31. e3 Ne4 32. Qc2 Nf6 33. Qd2 dxc4 34. bxc4 a4 35. Qb4 Qd8 36. Qxa4 Ng4 37. Qc2 Qa5 38. Bf3 Qe1+ 39. Kg2 Nh6 40. b6 Nf5 41. Qb2 f6 42. b7 g5 43. b8Q g4 44. Q2b7+ 1-0

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "5"]
[White "Can, Isik"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2380"]
[BlackElo "2001"]
[PlyCount "101"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Bd6 9. Re1 Bd7 10. d4 0-0-0 11. Nc4 exd4 12. Bg5 Qg6 13. Bxd8 Kxd8 14. Nfe5 Qe6 15. Nxd6 cxd6 16. Nxd7 Kxd7 17. Qxd4 f6 18. Qa7 Kc7 19. Re3 Ne7 20. Rb3 Rb8 21. Qb6+ Kd7 22. Rd1 Nc8 23. Qd4 b6 24. Rbd3 Kc7 25. f4 Kb7 26. a4 Ka8 27. a5 b5 28. e5 fxe5 29. fxe5 d5 30. Qc5 Rb7 31. Rf1 Kb8 32. Rf8 Rc7 33. Qd6 Qxd6 34. exd6 Rd7 35. Re3 Kb7 36. Ree8 Nxd6 37. Rb8+ Kc7 38. Ra8 Kb7 39. Rfb8+ Kc7 40. Rb6 Nc4 41. Ra7+ Kd6 42. Rxd7+ Kxd7 43. Rxa6 Nxb2 44. Ra7+ Kc8 45. a6 Nc4 46. Rxg7 Kb8 47. Rb7+ Kc8 48. g4 hxg4 49. hxg4 Nd2 50. Rf7 Ne4 51. a7 1-0

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "6"]
[White "Clasby, Derek"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2001"]
[BlackElo "2615"]
[PlyCount "90"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 dxe5 5. Nxe5 Be6 6. d4 g6 7. 0-0 Bg7 8. Qe2 0-0 9. c3 Nd7 10. Nxd7 Qxd7 11. Nd2 Bg4 12. Qe4 c6 13. h3 Bf5 14. Qe2 Nf4 15. Qf3 e5 16. Nb3 b5 17. Nc5 Qe7 18. Bxf4 bxc4 19. Bxe5 Bxe5 20. Rfe1 f6 21. Qe3 Rae8 22. dxe5 fxe5 23. b4 Qf7 24. Rad1 Bd3 25. Nxd3 cxd3 26. Rxd3 Qxa2 27. Rd7 Rf7 28. Rxf7 Qxf7 29. Ra1 Re7 30. Ra6 Qc4 31. Rxa7 Rxa7 32. Qxa7 Qxc3 33. Qb8+ Kf7 34. Qc7+ Kf6 35. Qd6+ Kf5 36. Kh2 h5 37. Qf8+ Ke4 38. Qd6 g5 39. Qg6+ Kd4 40. Qd6+ Ke4 41. f3+ Ke3 42. b5 Kf2 43. bxc6 Qc1 44. h4 Qg1+ 45. Kh3 Qh1# 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "10"]
[White "Clasby, Derek"]
[Black "Gabrielian, Artur"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2001"]
[BlackElo "2463"]
[PlyCount "78"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. 0-0 e6 8. Be3 Be7 9. f3 0-0 10. Nb3 a6 11. Be2 b5 12. a4 b4 13. Nb1 d5 14. N1d2 dxe4 15. fxe4 Ne5 16. Nf3 Neg4 17. Qd3 Nxe3 18. Qxe3 Qc7 19. Bd3 e5 20. Kh1 a5 21. Nbd2 Ng4 22. Qe1 Be6 23. h3 Nf6 24. Ng5 Nh5 25. Nxe6 fxe6 26. Nf3 Rad8 27. b3 Kh8 28. Rd1 Rf6 29. Ng5 Rxf1+ 30. Bxf1 Bxg5 31. Rxd8+ Qxd8 32. Bc4 Bf4 33. Bxe6 Ng3+ 34. Kh2 Qd4 35. c3 bxc3 36. b4 axb4 37. Bb3 g6 38. a5 Nxe4+ 39. Kh1 Nf2+ 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Kobalia, Mihail"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2001"]
[BlackElo "2614"]
[PlyCount "38"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 c6 5. Bc4 Nf6 6. Be3 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Bd3 0-0 10. Ne5 Nc6 11. 0-0 Nxe5 12. dxe5 Ng4 13. Bd4 Nxe5 14. Nxd5 Bg4 15. f3 Nxf3+ 16. gxf3 Bxd4+ 17. Kh1 Qxd5 18. c4 Qc6 19. Be4 Qxe4 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "3"]
[White "Clasby, Derek"]
[Black "Kuzubov, Yuriy"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2001"]
[BlackElo "2643"]
[PlyCount "94"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Nxd4 10. Bxd4 Bd7 11. f3 Bc6 12. Qd2 a5 13. Rfc1 Nd7 14. Bf2 Nc5 15. Rab1 a4 16. h3 Qb6 17. Kh1 Rfc8 18. Nd1 Qa5 19. Qc2 e6 20. Ne3 e5 21. Qd1 Ne6 22. Nc2 Bh6 23. Ne3 Rd8 24. Bf1 Bg5 25. Qd3 h5 26. g3 h4 27. gxh4 Bh6 28. Rd1 Nf4 29. Qa3 Qc7 30. Ng4 Bg7 31. Qb4 f5 32. Bb6 Qe7 33. Bxd8 Rxd8 34. Nf2 Qxh4 35. Qe1 Nh5 36. Nd3 Ng3+ 37. Kg2 f4 38. Nf2 Bd7 39. Kg1 Bf8 40. Bg2 Rc8 41. b3 Be7 42. Rd5 Bc6 43. Qd2 Qf6 44. Ng4 Qf8 45. b4 Kh7 46. Rd1 Bxd5 47. Qd4 exd4 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "9"]
[White "Clasby, Derek"]
[Black "Tanenbaum, Zachary Chen"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "2001"]
[BlackElo "2137"]
[PlyCount "53"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 exf4 5. Nf3 Bb4 6. e5 Ng4 7. d4 d6 8. exd6 Qxd6 9. 0-0 0-0 10. Nb5 Qh6 11. Nxc7 Rb8 12. Nd5 Bd6 13. Re1 Be6 14. h3 Na5 15. hxg4 Nxc4 16. g5 Qh5 17. Nxf4 Bxf4 18. Bxf4 Rbc8 19. b3 Nb6 20. c4 Bg4 21. Qd3 f6 22. Bd6 Rf7 23. c5 Nd5 24. Qe4 Bxf3 25. Qe8+ Rf8 26. Qe6+ Rf7 27. Qxc8+ 1-0

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "2"]
[White "Jones, Davey V"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "1593"]
[BlackElo "2001"]
[PlyCount "68"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bb3 c5 16. Ng5 c4 17. Bc2 h6 18. Nf3 Kh7 19. b3 Rc8 20. b4 a5 21. a3 Ra8 22. Bd2 Qc7 23. Qe2 Bg7 24. Nh2 exd4 25. cxd4 Nxe4 26. Nxe4 Bxe4 27. Bxe4 d5 28. Bxg6+ fxg6 29. Qxe8 Rxe8 30. Rxe8 c3 31. Be3 axb4 32. axb4 Nb6 33. Re1 c2 34. Bc1 Qc3 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "7"]
[White "Kondakov, Adrian"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1986"]
[BlackElo "2001"]
[PlyCount "96"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. d3 Bc5 5. 0-0 0-0 6. a4 d6 7. h3 a6 8. c3 Ba7 9. Re1 Ne7 10. Nbd2 Ng6 11. Nf1 Nh5 12. d4 Nhf4 13. Ng3 Qf6 14. Be3 h5 15. dxe5 dxe5 16. Bxa7 Rxa7 17. Nd2 h4 18. Nh5 Qg5 19. Nxf4 Nxf4 20. Qf3 Bxh3 21. Bf1 Bxg2 22. Bxg2 h3 23. Qg3 Qxg3 24. fxg3 Nxg2 25. Nf1 Nxe1 26. Rxe1 b5 27. a5 c5 28. Rd1 f5 29. Rd5 fxe4 30. Rxe5 Raf7 31. Ne3 Rf2 32. Rxe4 Rxb2 33. g4 b4 34. cxb4 cxb4 35. g5 b3 36. g6 h2+ 37. Kh1 Re2 38. Rh4 Rxe3 39. Rb4 Re2 40. Rf4 Re1+ 41. Kg2 Rxf4 42. Kg3 Rf5 43. Kg4 Rxa5 44. Kf4 b2 45. Kg3 Re3+ 46. Kf4 Rb3 47. Kg4 h1Q 48. Kf4 Qh4# 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "8"]
[White "Modi, Ethan"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1786"]
[BlackElo "2001"]
[PlyCount "47"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. Nc3 0-0 9. Ne2 Na5 10. Bd2 Nxb3 11. axb3 Re8 12. Ng3 Bf8 13. Re1 c5 14. Nh4 g6 15. Bg5 h6 16. Be3 Ng4 17. Nf3 Nxe3 18. Rxe3 h5 19. c3 Bh6 20. Re1 h4 21. Ne2 h3 22. g3 Bg4 23. Nc1 Qf6 24. c4 0-1

[Event "PNWCC Online blitz JP 10th"]
[Site "Chess.com INT"]
[Date "2020.05.16"]
[Round "11"]
[White "Nguyen, Thanh Thuy Tien"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "1971"]
[BlackElo "2001"]
[PlyCount "164"]
[EventDate "2020.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 g6 5. Qc2 Bg7 6. e4 d6 7. Bd3 0-0 8. 0-0 e5 9. d5 Nbd7 10. Bd2 Nh5 11. b4 Nf4 12. g3 Nxd3 13. Qxd3 h6 14. Nh4 Kh7 15. f4 exf4 16. Bxf4 Qe7 17. Nf3 Rae8 18. Rae1 a6 19. Bd2 Bc8 20. Nd1 Ne5 21. Nxe5 Bxe5 22. Bc3 Bh3 23. Rf2 f5 24. exf5 Bxf5 25. Qd2 Qg7 26. Bxe5 Rxe5 27. Rxe5 Qxe5 28. g4 Rg8 29. gxf5 gxf5+ 30. Rg2 Re8 31. Nc3 f4 32. Qd3+ Kh8 33. Re2 Rg8+ 34. Kf1 Qg5 35. Qd4+ Kh7 36. Qe4+ Kh8 37. Rg2 Qh4 38. Rxg8+ Kxg8 39. Qe6+ Kg7 40. Qd7+ Kg6 41. Qe8+ Kg7 42. Qd7+ Kg6 43. Ne4 f3 44. Qe6+ Kg7 45. h3 h5 46. Qd7+ Kg6 47. Qe8+ Kg7 48. Qe6 Qf4 49. Kf2 a5 50. b5 a4 51. Qe7+ Kg6 52. Qe8+ Kf5 53. Qf7+ Kxe4 54. Qe6+ Kd4 55. Qe7 Kxc4 56. Qxc7+ Kd3 57. Qh7+ Kd4 58. Qg7+ Kxd5 59. Qb7+ Kc4 60. Qxb6 Qh2+ 61. Kxf3 Qxh3+ 62. Ke2 Qg2+ 63. Ke1 Qh1+ 64. Kf2 Qh2+ 65. Kf3 Qh3+ 66. Kf2 Qf5+ 67. Kg3 Qe5+ 68. Kh4 Qxb5 69. Qxd6 Qd5 70. Qb8 Kc3 71. Qb1 Kd4 72. Qd1+ Kc5 73. Qxa4 Qh1+ 74. Kg5 Qg2+ 75. Kxh5 Qh2+ 76. Kg5 Qg2+ 77. Kf5 Qf2+ 78. Ke5 Qe2+ 79. Kf6 Qf3+ 80. Ke7 Qb7+ 81. Ke8 Qc6+ 82. Qxc6+ Kxc6 1/2-1/2

[Event "Wch U12"]
[Site "Santiago de Compostela"]
[Date "2018.11.15"]
[Round "11"]
[White "Clasby, Derek"]
[Black "Deng, Yu Dong Michael"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2087"]
[BlackElo "1863"]
[PlyCount "110"]
[EventDate "2018.11.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. b3 Bd7 12. Be2 Bc6 13. 0-0 Nd7 14. Rab1 Nc5 15. a3 Qc7 16. Rfc1 a4 17. bxa4 Nxa4 18. Nd5 Qd7 19. Bd1 Bxd5 20. cxd5 Rfc8 21. Bxa4 Rxa4 22. Rxc8+ Qxc8 23. Rc1 Qa8 24. Qc2 h5 25. Qc8+ Kh7 26. Qxa8 Rxa8 27. Bg5 Bd4+ 28. Kf1 f6 29. Bd2 Bc5 30. Bb4 b6 31. Rb1 Kg7 32. Bxc5 bxc5 33. Ra1 Ra4 34. Ke2 f5 35. exf5 gxf5 36. Kd3 Kf6 37. Kc3 Ke5 38. Kb3 Rd4 39. Re1+ Kxd5 40. Rxe7 Rd3+ 41. Ka4 Rd2 42. Rg7 Kc4 43. g4 fxg4 44. fxg4 Rg2 45. Rg6 d5 46. gxh5 Rxh2 47. Rg1 d4 48. Rc1+ Kd5 49. h6 c4 50. Rg1 Rxh6 51. Rg5+ Ke4 52. Kb4 c3 53. Kb3 Rc6 54. Rg4+ Ke3 55. Rg3+ Kf4 0-1

[Event "Wch U12"]
[Site "Santiago de Compostela"]
[Date "2018.11.14"]
[Round "10"]
[White "Oberoi, Shelev"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1935"]
[BlackElo "2087"]
[PlyCount "74"]
[EventDate "2018.11.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qd2 0-0 6. Bh6 c6 7. h4 Bxh6 8. Qxh6 Ng4 9. Qd2 h5 10. Nh2 Nxh2 11. Rxh2 Qd6 12. f4 Bf5 13. e3 Nd7 14. Bd3 Nf6 15. 0-0-0 b5 16. Re1 Rfd8 17. Ne2 a5 18. Ng3 e6 19. Nh1 b4 20. Nf2 Rac8 21. Kb1 Kh8 22. Rg1 Qe7 23. Be2 c5 24. g4 hxg4 25. Bxg4 Nxg4 26. Nxg4 Kg7 27. h5 Rh8 28. hxg6 fxg6 29. Rxh8 Rxh8 30. Ne5 c4 31. Qg2 Qf6 32. Kc1 Be4 33. Qd2 Qh4 34. Ng4 Qxg4 35. Rxg4 Rh1+ 36. Qd1 Rxd1+ 37. Kxd1 Bf3+ 0-1

[Event "Wch U12"]
[Site "Santiago de Compostela"]
[Date "2018.11.12"]
[Round "8"]
[White "Amilal, Munkhdalai"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C94"]
[WhiteElo "1864"]
[BlackElo "2087"]
[PlyCount "143"]
[EventDate "2018.11.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 d6 8. c3 0-0 9. h3 Nb8 10. Re1 Nbd7 11. Nbd2 Bb7 12. Nf1 Nc5 13. Bc2 Re8 14. Ng3 g6 15. Be3 Bf8 16. Qe2 Qe7 17. Rad1 Bg7 18. Nf1 Ne6 19. N1d2 c5 20. a4 d5 21. exd5 Nxd5 22. Nb3 Qc7 23. Qf1 bxa4 24. Nbd2 a3 25. bxa3 Nxc3 26. Rc1 Nd4 27. Bb3 Ncb5 28. Bxd4 Nxd4 29. Nxd4 exd4 30. Ne4 Bxe4 31. Rxe4 Rxe4 32. dxe4 Bh6 33. Rb1 Rb8 34. Bc4 Bf4 35. Rxb8+ Qxb8 36. Bxa6 Qb2 37. g3 Bc1 38. a4 Bd2 39. Bb5 Bb4 40. Qd3 h5 41. Kg2 Kg7 42. Bc4 Qc3 43. Qe2 h4 44. gxh4 Qc1 45. e5 Qf4 46. e6 fxe6 47. Qxe6 Qf6 48. Qxf6+ Kxf6 49. f4 Ba5 50. Kf3 Kf5 51. Bd3+ Kf6 52. Ke4 Ke6 53. Bc4+ Kf6 54. Be2 Ke6 55. h5 gxh5 56. Bxh5 Be1 57. Be2 Kf6 58. Kf3 Ke6 59. Bc4+ Kf5 60. Bb5 Ke6 61. Bc4+ Kf5 62. Bd3+ Ke6 63. Ke4 Kf6 64. Kd5 Bd2 65. f5 Bb4 66. h4 Kg7 67. Ke6 Kf8 68. f6 Kg8 69. h5 Kf8 70. h6 Kg8 71. f7+ Kf8 72. h7 1-0

[Event "Wch U12"]
[Site "Santiago de Compostela"]
[Date "2018.11.08"]
[Round "4"]
[White "Hu, Merric"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1849"]
[BlackElo "2087"]
[PlyCount "101"]
[EventDate "2018.11.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 0-0 7. a4 a6 8. Na3 Ne7 9. Nc2 Ng6 10. Bg5 h6 11. Be3 Bxe3 12. Nxe3 Nh7 13. d4 Ng5 14. Nxg5 Qxg5 15. Qf3 Be6 16. Qg3 Qf6 17. Bxe6 Qxe6 18. d5 Qf6 19. Qg4 Qf4 20. Qf5 Nh4 21. g3 Nxf5 22. gxf4 Nxe3 23. fxe3 exf4 24. exf4 Rae8 25. Rae1 Re7 26. Re2 Rfe8 27. Rfe1 Kf8 28. Kf2 g5 29. Kf3 gxf4 30. Kxf4 Re5 31. Re3 Ke7 32. Rg1 Kf6 33. Rg4 h5 34. Rg2 b5 35. a5 Rb8 36. b4 Rbe8 37. Rgg3 Rh8 38. h4 Rhe8 39. Rgf3 c6 40. dxc6 Rc8 41. Rd3 Rxc6 42. Rd4 Ke6 43. Re3 f6 44. Rg3 Kf7 45. Rgd3 Ke7 46. Rg3 Kf7 47. Rgd3 Ke6 48. Rd5 Ke7 49. R5d4 Ke6 50. Rd5 Ke7 51. Rxe5+ 1/2-1/2

[Event "World op 46th"]
[Site "Philadelphia"]
[Date "2018.07.08"]
[Round "8"]
[White "Clasby, Derek"]
[Black "Liang, Hairan"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2071"]
[BlackElo "2169"]
[PlyCount "68"]
[EventDate "2018.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. Rd1 Bb7 11. e5 Nd7 12. f4 e6 13. Na4 g5 14. 0-0 gxf4 15. Rxf4 Nxe5 16. Nc5 Bc8 17. Ra4 Ng6 18. Bh6 e5 19. Rf1 f5 20. Bxg7 Kxg7 21. Kh1 Qd6 22. Qb4 Rf7 23. g3 f4 24. Qc3 Bh3 25. Rf2 Raf8 26. g4 f3 27. Rxf3 Rxf3 28. Bxf3 Qf6 29. Ra3 Nh4 30. Rxa7+ Kg8 31. Ra3 Qf4 32. Qe3 Nxf3 33. Qxf4 Rxf4 34. Ne6 Re4 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2018.05.27"]
[Round "4"]
[White "Clasby, Derek"]
[Black "Foisor, Sabina Francesca"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2045"]
[BlackElo "2305"]
[PlyCount "92"]
[EventDate "2018.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 6. Be3 Nd7 7. Nbd2 Ne7 8. 0-0 g5 9. b3 Bg7 10. Ne1 Qc7 11. c4 Bg6 12. Bh5 c5 13. Bxg6 Nxg6 14. cxd5 cxd4 15. Bxd4 exd5 16. Rc1 Qd8 17. Nd3 0-0 18. Re1 Re8 19. f4 gxf4 20. Nf3 Ndf8 21. Nc5 Qe7 22. Bb2 Rad8 23. Nd4 Nh4 24. Qe2 Qxe5 25. Qf2 Qg5 26. Nxb7 Rc8 27. Nd6 Rxc1 28. Rxc1 Bxd4 29. Bxd4 f3 30. Qg3 Re2 31. Bf2 fxg2 32. Rd1 Nfg6 33. Qc3 Qf4 34. Qg3 Rxf2 35. Qxf2 Qxd6 36. Rd4 Qc5 37. Rd1 Qxf2+ 38. Kxf2 Nf4 39. Kg3 Ne2+ 40. Kxh4 g1Q 41. Rxg1+ Nxg1 42. Kg4 f6 43. b4 Ne2 44. Kf3 Nc3 45. a3 d4 46. a4 Kf7 0-1

[Event "Dulles Cherry Blossom op"]
[Site "Dulles"]
[Date "2018.05.26"]
[Round "2"]
[White "Clasby, Derek"]
[Black "Kraai, Jesse"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2045"]
[BlackElo "2493"]
[PlyCount "58"]
[EventDate "2018.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Nc3 a6 14. Bh4 Nh5 15. Re1 g6 16. a3 Qg7 17. Bf1 Bd7 18. Qd2 Rxf3 19. gxf3 Qxd4 20. Bg5 Qxd2 21. Bxd2 Nd4 22. Red1 Nxf3+ 23. Kh1 Bc6 24. Bg2 Nxh2 25. Be1 Ng4 26. Bh3 Nhf6 27. f3 d4 28. Ne4 Nxe4 29. Bxg4 Ng5 0-1

[Event "Eastern op 44th"]
[Site "Tysons"]
[Date "2017.12.30"]
[Round "6"]
[White "Clasby, Derek"]
[Black "Banerjee, Abhimanyu"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1924"]
[BlackElo "2079"]
[PlyCount "97"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. Nh4 h6 8. Nxf5 Nxf5 9. c3 Qc7 10. f4 0-0-0 11. g4 Nh4 12. Be3 f5 13. Bf2 Be7 14. Bxh4 Bxh4 15. gxf5 exf5 16. Qd3 g6 17. b4 Rhg8 18. Nd2 Nf8 19. Nf3 Be7 20. Ne1 Ne6 21. Qh3 Qd7 22. Nd3 Rdf8 23. a4 g5 24. Kh1 gxf4 25. Nxf4 Ng5 26. Qe3 Ne4 27. Rad1 Bg5 28. b5 Bxf4 29. Rxf4 cxb5 30. axb5 Kb8 31. c4 Rc8 32. c5 Qg7 33. Rg1 Qf7 34. Rff1 Rg5 35. Qf4 Rxg1+ 36. Rxg1 Qe6 37. Rf1 Rg8 38. Qxf5 Qe7 39. Rf4 Qd8 40. Bg4 h5 41. Bh3 Nc3 42. e6 Nxb5 43. Qe5+ Nc7 44. Rf7 Qc8 45. Rd7 Re8 46. Qd6 a6 47. e7 Ka7 48. Rxc7 Qxh3 49. Qb6+ 1-0

[Event "Eastern op 44th"]
[Site "Tysons"]
[Date "2017.12.27"]
[Round "1"]
[White "Sinha, Sahil"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2257"]
[BlackElo "1924"]
[PlyCount "109"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. c5 Rf6 14. a4 Rg6 15. a5 h5 16. cxd6 Nxd6 17. a6 b6 18. Nb5 g4 19. Bh4 Nxb5 20. Bxb5 Bf6 21. Bxf6 Rxf6 22. Nd3 Ng6 23. Qc2 Bd7 24. Bxd7 Qxd7 25. Rac1 Rc8 26. Qc3 Qd6 27. Nb4 Ne7 28. Rfd1 Ng6 29. Qb3 Ne7 30. Rc4 gxf3 31. gxf3 Rg6+ 32. Kh1 Kh8 33. Nc6 Rcg8 34. Qc2 Nxc6 35. Rxc6 Qb4 36. Rxg6 Rxg6 37. Qxc7 Qb3 38. Qxe5+ Kg8 39. Rf1 Qd3 40. Qe8+ Kg7 41. Qd7+ Kh6 42. Qh3 Qxa6 43. Rd1 Qe2 44. Qf1 Qc2 45. Re1 Qxb2 46. e5 Qd2 47. Rd1 Qc2 48. Rc1 Qd2 49. Rd1 Qc2 50. Rd4 Qb2 51. Rc4 Qd2 52. e6 Rg8 53. e7 Re8 54. Rc6+ Kh7 55. Qb1+ 1-0

[Event "Eastern op 43rd"]
[Site "Bethesda"]
[Date "2016.12.30"]
[Round "7"]
[White "Prem, Pranav"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1858"]
[BlackElo "1850"]
[PlyCount "72"]
[EventDate "2016.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[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. d5 Ne7 9. b4 Ne8 10. a4 f5 11. Nd2 f4 12. Ba3 g5 13. g4 Ng6 14. c5 f3 15. Bxf3 Rf4 16. h3 Rf6 17. Bg2 Nf4 18. f3 Rh6 19. Kh2 Rh4 20. Nc4 Qf6 21. Ne2 h5 22. Ne3 Qh6 23. Ng1 Nf6 24. Nf5 Bxf5 25. gxf5 g4 26. Bc1 Qg5 27. Ra2 Bh6 28. Qe1 Kh7 29. Qg3 Rg8 30. Rc2 gxh3 31. Qxg5 hxg2+ 32. Qxh4 gxf1Q 33. Be3 Rg2+ 34. Kh1 Rxc2 35. Qg3 Rg2 36. Qh4 Rxg1+ 0-1

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.30"]
[Round "11"]
[White "Clasby, Derek"]
[Black "Zhou, Aiden"]
[Result "1/2-1/2"]
[ECO "B77"]
[BlackElo "1764"]
[PlyCount "121"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. g4 Rb8 11. h4 b5 12. Be2 Ne5 13. h5 Nc4 14. Bxc4 bxc4 15. hxg6 fxg6 16. Rb1 e5 17. Nde2 Be6 18. Bg5 Qc7 19. Bxf6 Bxf6 20. Nd5 Bxd5 21. Qxd5+ Qf7 22. Nc3 Qxd5 23. Nxd5 Bg5 24. Ke2 Rb7 25. b3 cxb3 26. Rxb3 Rxb3 27. axb3 Rc8 28. c3 Rb8 29. b4 Kg7 30. Ra1 Rb7 31. Ra6 Rd7 32. Rc6 Bd8 33. c4 h5 34. gxh5 gxh5 35. Ra6 h4 36. Ra1 Kh6 37. Ne3 Kh5 38. Nf5 Bb6 39. Rh1 Bd8 40. Rd1 a5 41. bxa5 Bxa5 42. c5 h3 43. cxd6 Kg5 44. Rg1+ Kf6 45. Rh1 Rh7 46. Kf2 Bd2 47. Rd1 h2 48. Kg2 Ke6 49. Ng3 Bf4 50. Ne2 Be3 51. Kh1 Bc5 52. f4 Bxd6 53. f5+ Ke7 54. Kg2 Bc5 55. Ng3 Bd4 56. Rh1 Bg1 57. Rxg1 hxg1Q+ 58. Kxg1 Kf8 59. Nf1 Rh4 60. Nd2 Rf4 61. Kg2 1/2-1/2

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.29"]
[Round "10"]
[White "Larichev, Prokhor"]
[Black "Clasby, Derek"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1623"]
[PlyCount "17"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Re1 Nd6 7. Bxc6 bxc6 8. dxe5 Nb5 9. Bg5 0-1

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.28"]
[Round "9"]
[White "Clasby, Derek"]
[Black "Deng, Yu Dong Michael"]
[Result "0-1"]
[ECO "B35"]
[BlackElo "1811"]
[PlyCount "56"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Bc4 0-0 8. h3 d6 9. Qd2 Bd7 10. f3 Rc8 11. Nxc6 Bxc6 12. Bb3 a6 13. 0-0-0 b5 14. g4 a5 15. Bd5 b4 16. Ne2 Bxd5 17. exd5 Qc7 18. Nf4 a4 19. Rh2 b3 20. axb3 axb3 21. c3 Qa5 22. Qd3 Qa1+ 23. Qb1 Rxc3+ 24. bxc3 Qxc3+ 25. Rc2 bxc2 26. Qxc2 Qxe3+ 27. Qd2 Rc8+ 28. Kb1 Qb3+ 0-1

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.27"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1768"]
[PlyCount "142"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb5 Bxe3 7. fxe3 Kd8 8. N1c3 Nge7 9. Qf3 Qe6 10. Nd4 Nxd4 11. exd4 Qb6 12. 0-0-0 Rf8 13. Bc4 Qh6+ 14. Kb1 d6 15. Rhe1 c6 16. h3 b5 17. Bd3 a6 18. Qe3 Qxe3 19. Rxe3 g6 20. Rde1 Be6 21. Ne2 c5 22. d5 Bd7 23. c4 f6 24. Nc3 b4 25. Nd1 g5 26. Rf1 Ng6 27. Bc2 Ne5 28. b3 Ke7 29. Nb2 h5 30. Nd3 Nf7 31. Bd1 h4 32. Bh5 Nh6 33. Nf2 a5 34. Bg4 Be8 35. Be6 Bh5 36. Ng4 Nxg4 37. hxg4 Bg6 38. Bf5 Bf7 39. Rh1 a4 40. g3 axb3 41. Rxb3 Rh8 42. gxh4 Rxh4 43. Rxh4 gxh4 44. Rh3 Rh8 45. Kb2 Kf8 46. a3 bxa3+ 47. Kxa3 Be8 48. Kb3 Kg7 49. Ka3 Kf7 50. Kb3 Ke7 51. Rh2 h3 52. Kc3 Ba4 53. Kd2 Bb3 54. Kc3 Ba2 55. Be6 Ra8 56. Kb2 Bxc4 57. Rxh3 Ra2+ 58. Kb1 Re2 59. Rh7+ Kf8 60. Rf7+ Ke8 61. Rxf6 Rxe4 62. g5 Re5 63. g6 Rg5 64. Kc2 Rg3 65. Bf7+ Kf8 66. Rxd6 Kg7 67. Rc6 Bd3+ 68. Kd2 Bxg6 69. Bxg6 Rxg6 70. d6 Rg4 71. Rc7+ Kf8 1/2-1/2

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.26"]
[Round "7"]
[White "Clasby, Derek"]
[Black "Zamekhovskiy, Yevgen"]
[Result "1-0"]
[ECO "C41"]
[BlackElo "1711"]
[PlyCount "71"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. h3 0-0 7. Be3 c6 8. Bb3 Qc7 9. Qd3 h6 10. g4 exd4 11. Bxd4 Ne5 12. Qe2 b6 13. Be3 Nfxg4 14. Nxe5 Nxe3 15. Nxf7 Ng2+ 16. Kf1 Nf4 17. Qf3 d5 18. exd5 Rxf7 19. d6 Bxd6 20. Bxf7+ Qxf7 21. Rd1 Ba6+ 22. Ke1 Nd3+ 23. Rxd3 Re8+ 24. Kd1 Bxd3 25. Qxf7+ Kxf7 26. cxd3 c5 27. Ne4 Be5 28. f4 Bb8 29. f5 c4 30. Kc2 Re5 31. Rf1 cxd3+ 32. Kxd3 Ra5 33. a3 Be5 34. Rf2 Rd5+ 35. Kc2 Rd4 36. Re2 1-0

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.24"]
[Round "6"]
[White "Polavaram, Rithik S"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1784"]
[PlyCount "115"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[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. d5 Ne7 9. b4 Nd7 10. Be3 f5 11. Ng5 Nf6 12. f3 f4 13. Bf2 Ne8 14. Ne6 Bxe6 15. dxe6 Qc8 16. Nd5 Bf6 17. c5 Kh8 18. Nxf6 Rxf6 19. Bh4 Qxe6 20. Bxf6+ Nxf6 21. Rf2 Nc6 22. a3 Nd4 23. Rc1 c6 24. cxd6 Rd8 25. Bc4 Qxd6 26. Kh1 g5 27. h3 Nh5 28. Qe1 Ng3+ 29. Kh2 b5 30. Ba2 h5 31. Rc3 Rd7 32. Rb2 h4 33. Rf2 Nh5 34. Rc5 Nf6 35. Qc3 Rc7 36. Qc1 Nd7 37. Rc3 Nb6 38. Qb1 a6 39. Rd3 Qe7 40. Rfd2 Rd7 41. Rf2 Nc8 42. Qb2 Qd8 43. Qc3 Qe7 44. Rxd4 Rxd4 45. Qxc6 Nd6 46. Qxa6 Qd8 47. Rc2 Kg7 48. Qa7+ Kf6 49. Rc7 Qe8 50. Qc5 Qd8 51. Rc6 Rd2 52. Bd5 Ke7 53. Qa7+ Ke8 54. Qg7 Qe7 55. Qg8+ Kd7 56. Qb8 Rxd5 57. Rc7+ Ke6 58. exd5+ 1-0

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.23"]
[Round "5"]
[White "Shen, Shiyan"]
[Black "Clasby, Derek"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1907"]
[PlyCount "91"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. d3 h6 10. Nbd2 Na5 11. Bc2 c5 12. Nf1 Qc7 13. Ne3 Nc6 14. h3 Bd7 15. Kh1 Rad8 16. g4 Be6 17. Rg1 Nh7 18. Nd5 Qd7 19. Kh2 g5 20. Be3 Bf6 21. d4 cxd4 22. cxd4 Bg7 23. Nb6 Qb7 24. d5 Nd4 25. dxe6 Qxb6 26. e7 Rc8 27. exf8Q+ Nxf8 28. Rc1 Nfe6 29. Kg2 Qd8 30. Qd2 Qf6 31. Nh2 Qg6 32. f3 Nf4+ 33. Bxf4 gxf4 34. Bb3 Rc5 35. Bd5 Kh7 36. b4 Rxc1 37. Rxc1 h5 38. Rc7 hxg4 39. hxg4 f6 40. a3 Qh6 41. Qf2 Kg6 42. Bf7+ Kg5 43. Bh5 f5 44. Kh3 fxg4+ 45. fxg4 Kf6 46. Qh4+ 1-0

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.22"]
[Round "4"]
[White "Clasby, Derek"]
[Black "Pan, Kevin"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1856"]
[PlyCount "141"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 Bg4 7. Re1 h6 8. Nbd2 0-0 9. Bb3 Re8 10. Bc2 a6 11. Nb3 Bb6 12. Be3 Bxe3 13. Rxe3 Ne7 14. d4 Ng6 15. h3 Be6 16. Qe1 Qe7 17. Nbd2 Nh5 18. Bb3 Bxb3 19. Nxb3 Nhf4 20. Qf1 a5 21. Rd1 a4 22. Nc1 c6 23. Nd3 Nxd3 24. Qxd3 Qe6 25. d5 cxd5 26. Qxd5 Qe7 27. g3 Red8 28. Red3 Qc7 29. Qb5 Ra6 30. b3 axb3 31. axb3 Rda8 32. b4 Ne7 33. Re3 f5 34. Nd2 Rc6 35. Qd3 fxe4 36. Nxe4 d5 37. Nc5 e4 38. Qd2 b6 39. Nb3 Rc8 40. Nd4 Rc4 41. Nb5 Qd7 42. Na3 R4c7 43. c4 Qxh3 44. cxd5 Rd7 45. d6 Qe6 46. Qd4 Nf5 47. Qxe4 Qxe4 48. Rxe4 Rxd6 49. Rxd6 Nxd6 50. Rd4 Nf5 51. Rd5 Ne7 52. Re5 Kf7 53. Nb5 Kf6 54. Re4 Nd5 55. Rd4 Ke6 56. f4 Rc1+ 57. Kf2 Rb1 58. f5+ Kf6 59. Rxd5 Rxb4 60. Nd4 h5 61. Ke3 Rb1 62. Kf4 Rf1+ 63. Nf3 g5+ 64. fxg6 Kxg6 65. Rd6+ Kg7 66. Rxb6 Ra1 67. Kg5 Ra5+ 68. Kh4 Ra3 69. Ng5 Re3 70. Ne6+ Kh7 71. Nf4 1-0

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.21"]
[Round "3"]
[White "Clasby, Derek"]
[Black "Spizharny, Mikhail"]
[Result "1-0"]
[ECO "A08"]
[BlackElo "1760"]
[PlyCount "120"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d5 6. Nbd2 g6 7. 0-0 Bg7 8. c3 0-0 9. Qc2 e5 10. Rd1 a5 11. Nf1 h6 12. a4 Be6 13. Ne1 Qb6 14. Ra3 Rad8 15. exd5 Nxd5 16. Ne3 Qc7 17. Nxd5 Bxd5 18. Bxd5 Rxd5 19. Ng2 Rfd8 20. Ne3 R5d7 21. Rb3 f5 22. Rb5 Ne7 23. Qb3+ Kh7 24. Qc4 b6 25. f3 Nc8 26. Rb3 Qc6 27. Kf2 e4 28. d4 Nd6 29. Qa6 exf3 30. Rxb6 Qxa4 31. d5 f4 32. gxf4 Qxf4 33. Rf1 Qxh2+ 34. Ke1 Ra7 35. Qd3 c4 36. Qd1 Qg3+ 37. Kd2 Ne4+ 38. Kc2 f2 39. Qe2 Rf7 40. Qxc4 Qf3 41. Qd3 Rf6 42. Rxf6 Bxf6 43. Nd1 Qf5 44. Ne3 Qf3 45. Nd1 Qxd3+ 46. Kxd3 Ng3 47. Rxf2 Rxd5+ 48. Kc2 Ne4 49. Re2 Nc5 50. Be3 Nd7 51. Nf2 h5 52. Ne4 h4 53. c4 Rh5 54. Rd2 h3 55. Rxd7+ Bg7 56. Nf6+ Kh8 57. Nxh5 gxh5 58. Bd4 Bxd4 59. Rxd4 h2 60. Rh4 Kg7 1-0

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.20"]
[Round "2"]
[White "Wagner, Leopold Franziskus"]
[Black "Clasby, Derek"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1997"]
[PlyCount "58"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 Nh5 5. Be5 f6 6. Bg3 Nxg3 7. hxg3 d6 8. e4 e5 9. dxe5 fxe5 10. Bc4 Qe7 11. Qe2 Nc6 12. c3 Bf6 13. Nf1 Nd8 14. Ne3 c6 15. Rd1 Be6 16. Qd2 Nf7 17. Bxe6 Qxe6 18. c4 Rd8 19. Qb4 Rd7 20. 0-0 0-0 21. Rd3 Rfd8 22. Rfd1 Be7 23. Qd2 Kf8 24. b3 Kg7 25. Kf1 Nh6 26. Ke2 Ng4 27. Nxg4 Qxg4 28. Qe3 h6 29. Kf1 b6 1/2-1/2

[Event "Wch U10"]
[Site "Batumi"]
[Date "2016.10.19"]
[Round "1"]
[White "Clasby, Derek"]
[Black "Navumenka, Mikhei"]
[Result "1-0"]
[ECO "C06"]
[BlackElo "1683"]
[PlyCount "141"]
[EventDate "2016.10.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bg5 Qf7 13. Bh4 Nf6 14. Bg3 Qe7 15. Re1 Bd7 16. a3 Rae8 17. Nf4 Bxf4 18. Bxf4 Ne4 19. Bxe4 Rxf4 20. Bxd5 Qd6 21. Be4 h6 22. d5 exd5 23. Qxd5+ Qxd5 24. Bxd5+ Kf8 25. Rxe8+ Bxe8 26. g3 Rf5 27. Be4 Rb5 28. b4 a5 29. Bxc6 bxc6 30. Nd4 Rd5 31. Ne6+ Kf7 32. Nf4 Rb5 33. Nd3 Kf6 34. a4 Rd5 35. Nf4 Rf5 36. Re1 Bd7 37. Rd1 Ke7 38. Rd4 axb4 39. Rxb4 Ra5 40. Nd3 Kd6 41. Rb7 c5 42. Nb2 Kc6 43. Rb3 Be6 44. Re3 Bd5 45. Rc3 Ra7 46. Kf1 Rb7 47. Nd3 c4 48. Ke2 Kd6 49. Nf4 Rb2+ 50. Ke3 Bf7 51. Ra3 Kc5 52. a5 g5 53. Ne2 Kb4 54. Ra1 c3 55. a6 Bd5 56. a7 Ba8 57. Rc1 Rb3 58. Kd3 Ra3 59. Rxc3 Rxa7 60. Rc4+ Kb5 61. Nd4+ Kb6 62. Rb4+ Kc5 63. Rb5+ Kd6 64. Nf5+ Ke6 65. Nxh6 Rg7 66. Ke3 Kf6 67. Ng4+ Kg6 68. Rb6+ Kf5 69. f3 Re7+ 70. Kf2 Re6 71. Ne3+ 1-0

