[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.30"]
[Round "7"]
[White "Soto Hernandez, Henry"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2490"]
[BlackElo "2166"]
[PlyCount "57"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Bg5 d5 6. e3 h6 7. Bh4 c6 8. Qc2 g5 9. Bg3 Ne4 10. Nd2 Qa5 11. Ndxe4 dxe4 12. h4 c5 13. dxc5 g4 14. Be2 f5 15. 0-0 Bxc3 16. bxc3 Qxc5 17. Rfd1 Qa5 18. Rab1 a6 19. c5 Nd7 20. Bd6 Rf7 21. Rd4 Nxc5 22. Qd1 Nd7 23. Bc4 Ne5 24. Bxe5 Qxe5 25. Rd8+ Kg7 26. Rb6 Qxc3 27. Bxe6 Re7 28. Bxc8 Rxc8 29. Qd6 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.29"]
[Round "6"]
[White "Tapia Ostolaza, Alexei"]
[Black "Fascio Outerbridge, Arno Augusto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2166"]
[BlackElo "1664"]
[PlyCount "127"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Bf5 5. Nbd2 Nf6 6. b3 e6 7. 0-0 Be7 8. Bb2 h6 9. Ne5 0-0 10. Re1 Nbd7 11. Nd3 c5 12. c4 Rc8 13. cxd5 exd5 14. Nxc5 Nxc5 15. dxc5 Bxc5 16. e3 Ne4 17. Nxe4 dxe4 18. Qh5 Qg5 19. Qxg5 hxg5 20. Rac1 Rfd8 21. Red1 b6 22. h3 Be6 23. g4 f5 24. gxf5 Bxf5 25. Bf1 g4 26. Ba6 Rxd1+ 27. Rxd1 Rc6 28. Rd5 Be6 29. Rd8+ Kf7 30. hxg4 Bxg4 31. Bc4+ Ke7 32. Rg8 Rg6 33. Rxg7+ Rxg7 34. Bxg7 Bd6 35. Kg2 Bc7 36. Bd5 Bf3+ 37. Kh3 Kd6 38. Bb7 b5 39. Bf8+ Ke5 40. Ba6 Be2 41. Bc5 Bb8 42. a4 Bd1 43. Bxb5 Bxb3 44. Kg4 Kd5 45. Bd4 Bc2 46. Kf5 Bd3 47. Bd7 a6 48. Be6+ Kc6 49. Bb3 Bh2 50. Ke6 Bg1 51. Bd5+ Kc7 52. Be5+ Kb6 53. Bg3 Ka5 54. Bc6 Kb6 55. Bd7 Kc5 56. Ke5 Kb4 57. Bc6 Bc2 58. Kd4 a5 59. Bxe4 Bxa4 60. f4 Be8 61. f5 a4 62. Bd5 Ka3 63. Kc3 Bxe3 64. Bd6+ 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.28"]
[Round "5"]
[White "Pilarte, Mario"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1800"]
[BlackElo "2166"]
[PlyCount "120"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be3 Qc7 8. Bd3 Nf6 9. 0-0 Nc6 10. Nxc6 Bxc6 11. f4 Qb7 12. Qf3 b4 13. axb4 Bxb4 14. Qg3 Bxc3 15. bxc3 Bxe4 16. Rfb1 Qc6 17. Bd4 Bg6 18. f5 Nh5 19. Qe3 0-0 20. fxg6 hxg6 21. Be4 d5 22. Bf3 Nf6 23. Bxf6 gxf6 24. Rb6 Qc8 25. Qd4 Kg7 26. Rf1 Qd8 27. Rb7 Rc8 28. Be2 e5 29. Qe3 Rc6 30. Rfb1 Qc8 31. R7b3 Rd8 32. Rd1 a5 33. Bb5 d4 34. Qd3 Rcd6 35. Qc4 Qf5 36. cxd4 Rxd4 37. Rxd4 Rxd4 38. Qe2 Qf4 39. Rd3 Rb4 40. Rd1 a4 41. g3 Qf5 42. Rf1 Qc8 43. Bd3 a3 44. Qf2 f5 45. Qe1 Qc5+ 46. Kh1 a2 47. Qa1 Qd5+ 48. Kg1 f6 49. Rd1 Qd4+ 50. Kg2 Rb2 51. Bxf5 Rb1 52. Rxb1 axb1Q 53. Qxb1 Qd2+ 54. Kg1 gxf5 55. Qb7+ Kg6 56. Qc8 Qe1+ 57. Kg2 Qe2+ 58. Kg1 e4 59. Qg8+ Kh6 60. Qh8+ Kg6 1/2-1/2

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.27"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Vega Jimenez, Keyshla M"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2166"]
[BlackElo "1659"]
[PlyCount "49"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. 0-0 Nf6 6. b3 Be7 7. Bb2 0-0 8. d3 Nbd7 9. Nbd2 Bh5 10. Rc1 Ne8 11. Qc2 Bg6 12. Rfd1 Rc8 13. cxd5 exd5 14. e4 Nc7 15. Nf1 Re8 16. Ne3 Bc5 17. Qc3 f6 18. d4 Bf8 19. e5 fxe5 20. Nxe5 Nxe5 21. dxe5 Ne6 22. Bh3 Qb6 23. Bxe6+ Rxe6 24. Nxd5 Qa6 25. Nf4 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.26"]
[Round "3"]
[White "Schnell, Sebastian Narayana"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1891"]
[BlackElo "2166"]
[PlyCount "33"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 0-0 7. Qc2 c6 8. 0-0 b6 9. cxd5 exd5 10. Nc3 Bb7 11. Rfd1 Nbd7 12. Rac1 Re8 13. Bf4 Nh5 14. Be3 Nhf6 15. Bf4 Nh5 16. Be3 Nhf6 17. Bf4 1/2-1/2

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.26"]
[Round "2"]
[White "Tapia Ostolaza, Alexei"]
[Black "De la Riva Aguado, Oscar"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2166"]
[BlackElo "2437"]
[PlyCount "78"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. Nf3 f5 2. b3 d6 3. d4 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Qe8 8. Nbd2 Nc6 9. Qe1 e5 10. dxe5 dxe5 11. e4 f4 12. Nc4 Nh5 13. h3 b5 14. Na3 a6 15. c4 b4 16. Nc2 Rb8 17. a3 a5 18. axb4 axb4 19. Ra4 Qe7 20. Bc1 g5 21. Bd2 g4 22. hxg4 Bxg4 23. Nxb4 Nxb4 24. Rxb4 Qe6 25. Nh2 Rxb4 26. Bxb4 f3 27. Bh1 Rf6 28. Qd2 Nf4 29. Bxf3 Bxf3 30. Nxf3 Qh3 31. Nh4 h6 32. Be7 Rg6 33. Qe3 Bf8 34. Bxf8 Qxh4 35. Bc5 Nh3+ 36. Kg2 Nf4+ 37. Kg1 Qh3 38. Qf3 Rg5 39. Re1 Rh5 0-1

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.23"]
[Round "11"]
[White "Martinez Duany, Lelys Stanley"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2521"]
[BlackElo "2193"]
[PlyCount "75"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 d5 6. e5 Nd7 7. d3 Qc7 8. Bf4 Be7 9. h4 b5 10. Nc3 Qb6 11. 0-0 b4 12. Nb1 a5 13. Nbd2 Ba6 14. c4 bxc3 15. bxc3 0-0 16. c4 dxc4 17. Nxc4 Qc7 18. Ng5 Bxg5 19. hxg5 Nd4 20. Qe4 Bxc4 21. dxc4 Rab8 22. Rab1 Rb4 23. a3 Rxc4 24. Rb7 Qc8 25. Rfb1 Rc3 26. Be3 Nf5 27. Bf4 Nd4 28. Ra7 Rxa3 29. Rbb7 Nb8 30. Ra8 Ndc6 31. Rb5 Qd7 32. Rxc5 Qd1+ 33. Kh2 Qh5+ 34. Bh3 Ra2 35. Be3 Nb4 36. Qb7 N4c6 37. Rxb8 Nxb8 38. Rc8 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.17"]
[Round "4"]
[White "Munoz Santana, Jose Lisandro"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2404"]
[BlackElo "2193"]
[PlyCount "49"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. e4 g6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 a6 10. Qd2 Re8 11. Rad1 Bd7 12. f3 Rb8 13. Nb3 Na5 14. Nxa5 Qxa5 15. c5 Rbd8 16. cxd6 Bc6 17. Bd4 exd6 18. Kh1 Qc7 19. Bc4 Qe7 20. Rfe1 b5 21. Bb3 Qb7 22. Qg5 h6 23. Qxg6 Qe7 24. e5 d5 25. Qxg7+ 1-0

[Event "Titled Tuesday intern op 16th Aug Early"]
[Site "Chess.com INT"]
[Date "2022.08.16"]
[Round "7"]
[White "Bashirli, Saadat"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1567"]
[BlackElo "2201"]
[PlyCount "92"]
[EventDate "2022.08.16"]
[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. e3 e6 3. f4 b6 4. Nf3 Bb7 5. Bd3 c5 6. c3 g6 7. Nbd2 Bg7 8. 0-0 0-0 9. Qc2 Nc6 10. Ne5 Rc8 11. Ndf3 cxd4 12. exd4 Nb4 13. Qd1 Nxd3 14. Nxd3 d6 15. Be3 Nd5 16. Bd2 Ba6 17. Qe2 Re8 18. Rfe1 Qf6 19. g3 Rcd8 20. Nf2 Bxe2 21. Rxe2 h5 22. Rae1 Qf5 23. Nh4 Qc2 24. Bc1 Qa4 25. b3 Qa5 26. c4 Nc3 27. Rc2 Bxd4 28. Nf3 Bg7 29. Bd2 d5 30. cxd5 exd5 31. Rec1 Ne2+ 32. Kg2 Qa6 33. Re1 Nd4 34. Nxd4 Bxd4 35. Rc7 Rxe1 36. Bxe1 Bxf2 37. Bxf2 Qe2 38. a4 d4 39. a5 d3 40. axb6 axb6 41. Rc1 d2 42. Rg1 d1Q 43. Rxd1 Rxd1 44. b4 Rd2 45. b5 Qxf2+ 46. Kh3 Qxh2# 0-1

[Event "Titled Tuesday intern op 16th Aug Early"]
[Site "Chess.com INT"]
[Date "2022.08.16"]
[Round "8"]
[White "Fernandez Hernandez, Gerardo"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2169"]
[BlackElo "2201"]
[PlyCount "75"]
[EventDate "2022.08.16"]
[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. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. 0-0 d5 8. c3 d4 9. c4 e5 10. f5 f6 11. fxg6 hxg6 12. Nh4 Be6 13. Na3 a6 14. Nc2 Qd7 15. a3 a5 16. Bd2 a4 17. Rb1 g5 18. Nf3 Bh3 19. b4 Bxg2 20. Kxg2 Qh3+ 21. Kg1 Ng6 22. Qe2 cxb4 23. Nxb4 0-0 24. Nd5 Rf7 25. Rfc1 Nf8 26. Bxg5 fxg5 27. Nxg5 Qd7 28. Nxf7 Qxf7 29. Rf1 Qd7 30. Nb6 Qd8 31. Qg4 Ra6 32. Nd5 Na5 33. Rb5 Nb3 34. Rxb7 Rg6 35. Rxf8+ Qxf8 36. Qxg6 Nc1 37. Ne7+ Kh8 38. Qh5+ 1-0

[Event "Titled Tuesday intern op 16th Aug Early"]
[Site "Chess.com INT"]
[Date "2022.08.16"]
[Round "9"]
[White "Tapia Ostolaza, Alexei"]
[Black "Alexikov, Alexander"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2201"]
[BlackElo "2223"]
[PlyCount "80"]
[EventDate "2022.08.16"]
[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. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 0-0 6. Bg2 c6 7. 0-0 Bf5 8. c4 Qc8 9. Re1 Bh3 10. Nc3 Bxg2 11. Kxg2 d5 12. Rc1 Qd8 13. h4 Re8 14. e3 e6 15. Ne2 Nbd7 16. Nf4 h6 17. Rh1 Ne4 18. Nd3 Qe7 19. Rc2 Rad8 20. Qc1 f6 21. Ba3 Qf7 22. cxd5 exd5 23. Nf4 Bf8 24. Bxf8 Nxf8 25. b4 a6 26. a4 Rd6 27. Qb2 g5 28. Nd3 Ng6 29. hxg5 hxg5 30. b5 cxb5 31. axb5 a5 32. Qa2 b6 33. Rc6 Rxc6 34. bxc6 Rc8 35. Rc1 Rc7 36. Nh2 Qe6 37. Qa4 Ne7 38. Qb5 Rxc6 39. Rb1 Nc3 40. Qb3 Qe4+ 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.09"]
[Round "11.2"]
[White "Dornbusch, Tatiana"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "2201"]
[PlyCount "106"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Monaco"]
[BlackTeam "Panama"]
[WhiteTeamCountry "MNC"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. c4 f5 5. Nc3 Bg7 6. g3 0-0 7. Bg2 d6 8. e3 Nd7 9. Nge2 Nf6 10. 0-0 h5 11. h4 Re8 12. Qc2 Ng4 13. Nf4 Bf6 14. Rfe1 c6 15. Qd2 Bg7 16. b4 Bd7 17. b5 Rc8 18. Rab1 Nf6 19. bxc6 Bxc6 20. Bxc6 bxc6 21. Rb7 Re7 22. Reb1 Bh6 23. Nd3 Ng4 24. Nf4 Qe8 25. Nce2 Kh7 26. Qc3 Rcc7 27. Rb8 Qd7 28. Qa3 Bg7 29. Kg2 Re8 30. Rxe8 Qxe8 31. Nc3 Qe7 32. Rb8 Bf6 33. Qb2 Rd7 34. Qb1 Kh6 35. a4 Bxh4 36. gxh4 Qxh4 37. Qg1 Re7 38. Kf3 Nxf2 39. Rb2 Ng4 40. Nd1 g5 41. Nd3 Nxe3 42. Nxe3 Qh3+ 43. Ke2 f4 44. Kd2 Rxe3 45. Ne1 Ra3 46. Rc2 g4 47. d5 c5 48. Qf2 Kg5 49. a5 h4 50. Qe2 Re3 51. Qf2 g3 52. Qg2 Qxg2+ 53. Nxg2 Ra3 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.08"]
[Round "10.2"]
[White "Eichab, Charles Sidney"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2048"]
[BlackElo "2201"]
[PlyCount "99"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Namibia"]
[BlackTeam "Panama"]
[WhiteTeamCountry "NAM"]
[BlackTeamCountry "PAN"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 a6 9. e3 Rb8 10. b3 Nxd4 11. exd4 d6 12. a4 Bg4 13. Qd2 Qd7 14. Re1 Rfe8 15. d5 Bh3 16. Bh1 Qf5 17. Bb2 Nd7 18. Ne4 Bxb2 19. Qxb2 Ne5 20. Qc3 Bg4 21. f4 Nd7 22. Re3 Nf6 23. Rae1 Nxe4 24. Rxe4 Qd7 25. Qe3 Kf8 26. Qd4 Kg8 27. Qe3 Kf8 28. f5 gxf5 29. Qh6+ Kg8 30. Qg5+ Kf8 31. Qh6+ Kg8 32. R4e3 Kh8 33. Bg2 f6 34. h3 f4 35. Qxf4 Bf5 36. g4 Bg6 37. Bf3 b5 38. Kh2 bxa4 39. bxa4 Rb4 40. g5 fxg5 41. Qd4+ Kg8 42. Bg4 Bf5 43. Bh5 Rb7 44. Bxe8 Qxe8 45. c5 dxc5 46. Qe5 Qd7 47. Rf1 Bg6 48. Ref3 Qd8 49. d6 exd6 50. Qd5+ 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.06"]
[Round "8.2"]
[White "Tapia Ostolaza, Alexei"]
[Black "Diaz Hollemaert, Nahuel Carlos"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2201"]
[BlackElo "2425"]
[PlyCount "60"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "URU"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. e4 d6 6. h3 e5 7. d3 Nge7 8. Be3 h6 9. c3 0-0 10. Qd2 Kh7 11. d4 exd4 12. cxd4 d5 13. dxc5 dxe4 14. Nh2 Qxd2 15. Nxd2 f5 16. Nc4 Be6 17. Rfc1 Nb4 18. Bf1 Ned5 19. a3 Nd3 20. Bxd3 exd3 21. Bd2 Rac8 22. Re1 Bg8 23. Ne5 Nf6 24. Nhf3 Ne4 25. Be3 Rfd8 26. Rad1 Bxe5 27. Nxe5 d2 28. Re2 Bb3 29. Rdxd2 Nxd2 30. Bxd2 Bd1 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.05"]
[Round "7.2"]
[White "Garcia Cuestas, Kevin"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1984"]
[BlackElo "2201"]
[PlyCount "106"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Honduras"]
[BlackTeam "Panama"]
[WhiteTeamCountry "HON"]
[BlackTeamCountry "PAN"]

1. Nf3 Nf6 2. g3 d5 3. d4 Bf5 4. c4 c6 5. cxd5 Nxd5 6. Nc3 Nb4 7. e4 Bg4 8. Bg2 Bxf3 9. Bxf3 Qxd4 10. 0-0 Qxd1 11. Rxd1 Nd7 12. a3 Na6 13. b4 e5 14. Be3 Be7 15. Be2 Nc7 16. Na4 Nf6 17. f3 0-0 18. Nb2 Rfe8 19. Nc4 Bf8 20. Na5 Reb8 21. Nc4 Nb5 22. Bf1 Nd4 23. Kf2 Nc2 24. Rab1 Nxe3 25. Kxe3 Re8 26. Na5 Rab8 27. Rbc1 g6 28. Kf2 Be7 29. Nc4 Bd8 30. Nd6 Re7 31. Bc4 Bc7 32. Nxf7 Rxf7 33. Ke2 Bb6 34. Rd6 Kg7 35. Bxf7 Kxf7 36. Rd2 Bd4 37. Rc4 Rd8 38. a4 Ke6 39. a5 a6 40. Rcc2 Ne8 41. f4 Nd6 42. Kf3 Rf8 43. Rd1 Nb5 44. Rcd2 Rf7 45. Rd3 h5 46. h4 Bc3 47. Rb1 exf4 48. gxf4 Be5 49. f5+ gxf5 50. exf5+ Rxf5+ 51. Kg2 Rf4 52. Kh3 Nd6 53. Re3 Nf5 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.03"]
[Round "6.2"]
[White "Tapia Ostolaza, Alexei"]
[Black "Sklyarov, Dmitry V"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2201"]
[BlackElo "2474"]
[PlyCount "104"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Finland"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "FIN"]

1. Nf3 g6 2. g3 Bg7 3. d4 c5 4. d5 d6 5. Bg2 Nf6 6. Nc3 b5 7. a3 Bb7 8. Nh4 b4 9. Nb1 Nbd7 10. 0-0 0-0 11. e4 Qc7 12. Nd2 a5 13. Re1 Nb6 14. Nhf3 Nfd7 15. Rb1 bxa3 16. c4 axb2 17. Bxb2 Rfb8 18. Bxg7 Kxg7 19. Qb3 Bc8 20. Qc3+ f6 21. Ra1 Nf8 22. h4 Nbd7 23. Nh2 a4 24. f4 Qa5 25. Qe3 a3 26. e5 fxe5 27. Ndf3 a2 28. fxe5 Nxe5 29. Nxe5 Bf5 30. Nc6 Qxe1+ 31. Rxe1 Rb1 32. Qxe7+ Kg8 33. Rxb1 axb1Q+ 34. Nf1 Qb2 35. Ne3 Bd7 36. Qg5 Re8 37. Ng4 Bxg4 38. Qxg4 Qc1+ 39. Kh2 h5 40. Qf3 Qxc4 41. Qf6 Qe2 42. Qxd6 Qb2 43. Qxc5 Re2 44. Qg1 Nd7 45. Kh3 Nf6 46. Qa7 Qb1 47. Ne7+ Kf8 48. d6 Re1 49. Qf2 Kg7 50. Nd5 Rh1+ 51. Bxh1 Qxh1+ 52. Qh2 Qxd5 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.02"]
[Round "5.2"]
[White "Tapia Ostolaza, Alexei"]
[Black "Etienne, Angelo"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2201"]
[BlackElo "2036"]
[PlyCount "174"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Haiti"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "HAI"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 c6 6. 0-0 d5 7. c4 a5 8. d3 Re8 9. Qc2 Na6 10. Rd1 Bg4 11. Ne5 Nb4 12. Qd2 Be6 13. a3 Na6 14. Nf3 Bg4 15. Qc2 Bxf3 16. exf3 Qb6 17. f4 Rad8 18. Nd2 Ng4 19. Rf1 Bxb2 20. Qxb2 Nh6 21. Rad1 Nf5 22. Nf3 Nc5 23. cxd5 Rxd5 24. Ne5 Rdd8 25. b4 axb4 26. Qxb4 Qa7 27. Qc4 Nd6 28. Qa2 Ne6 29. Nxf7 Nxf7 30. Qxe6 Qxa3 31. Rb1 Qd6 32. Qc4 Qxd3 33. Qxd3 Rxd3 34. Rxb7 Rc3 35. Rc7 e5 36. Re1 Kf8 37. Bxc6 Re7 38. Rxe7 Kxe7 39. Bd5 Nh6 40. fxe5 Rc5 41. Bg2 Nf7 42. f4 g5 43. e6 Nd8 44. Bh3 h5 45. f5 Nc6 46. Bg2 Ne5 47. h3 g4 48. hxg4 Nxg4 49. Be4 Re5 50. Kg2 Nh6 51. Rh1 Nxf5 52. Bxf5 Rxf5 53. Re1 Ra5 54. Kh3 Rb5 55. Kh4 Ra5 56. Re4 Rb5 57. Rf4 Kxe6 58. Rf8 Ra5 59. Rh8 Kf6 60. Rxh5 Ra4+ 61. Kh3 Rb4 62. Rh4 Rb5 63. Rc4 Rh5+ 64. Kg4 Rg5+ 65. Kh4 Ra5 66. Rc6+ Kg7 67. g4 Rd5 68. Re6 Rb5 69. Kg3 Rb3+ 70. Kf4 Rb4+ 71. Kg5 Rb5+ 72. Kh4 Ra5 73. Re7+ Kg6 74. Re8 Rb5 75. Rg8+ Kh6 76. g5+ Kh7 77. Rc8 Kg7 78. Kh5 Rb7 79. Rc6 Ra7 80. Rg6+ Kh7 81. Re6 Kg7 82. Kg4 Ra4+ 83. Kf5 Ra5+ 84. Re5 Ra7 85. Re6 Ra5+ 86. Re5 Ra7 87. Re6 Ra5+ 1/2-1/2

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.01"]
[Round "4.1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Attalib, Osama A"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2201"]
[BlackElo "2033"]
[PlyCount "111"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Libya"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "LBY"]

1. Nf3 Nf6 2. g3 d6 3. d4 c6 4. Bg2 Nbd7 5. 0-0 e5 6. dxe5 dxe5 7. Bg5 Qc7 8. c3 Be7 9. Nbd2 0-0 10. Qc2 Re8 11. Rfd1 h6 12. Bxf6 Nxf6 13. Nh4 Bf8 14. Ne4 Nxe4 15. Bxe4 Be6 16. Rd2 Rad8 17. Bh7+ Kh8 18. Bd3 Rd7 19. Rad1 Red8 20. Nf3 b5 21. a4 b4 22. c4 Bc5 23. Bf5 Rxd2 24. Rxd2 Rxd2 25. Nxd2 Qb6 26. Bxe6 Bxf2+ 27. Kg2 fxe6 28. Ne4 b3 29. Qd2 Be3 30. a5 Qd4 31. Qxd4 Bxd4 32. Nd2 Bxb2 33. Nxb3 Kg8 34. Kf3 a6 35. Nc5 Bc3 36. Nxe6 Bxa5 37. Nc5 Kf7 38. Ke4 Kf6 39. Nxa6 Ke6 40. Nc5+ Kf6 41. Nd7+ Ke6 42. Nxe5 c5 43. Nd3 Bb6 44. Nf4+ Kd6 45. Kf5 Bd8 46. Nh5 g6+ 47. Kxg6 Ke5 48. Ng7 Bg5 49. Nf5 Bc1 50. g4 Bd2 51. h4 Kf4 52. Nxh6 Ke3 53. Nf5+ Kxe2 54. h5 Kd3 55. g5 Kxc4 56. h6 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.07.30"]
[Round "2.2"]
[White "Adly, Ahmed"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2582"]
[BlackElo "2201"]
[PlyCount "81"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Egypt"]
[BlackTeam "Panama"]
[WhiteTeamCountry "EGY"]
[BlackTeamCountry "PAN"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d4 e6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Nc3 Be7 11. Rd1 Qb6 12. Nxc6 Bxc6 13. Be3 Qa5 14. Bxc6+ Rxc6 15. Qb3 Qa6 16. Nb5 0-0 17. Nxa7 Rc4 18. a4 Nd5 19. Nb5 Rb4 20. Qc2 Nxe3 21. fxe3 Qb6 22. Rd4 e5 23. Re4 Qg6 24. Rc4 Qb6 25. Kf2 Qh6 26. h4 Rxc4 27. Qxc4 g5 28. Rh1 gxh4 29. gxh4 b6 30. Nc3 Bc5 31. Qg4+ Kh8 32. Qg5 Qxg5 33. hxg5 f5 34. Nd5 f4 35. Kf3 fxe3+ 36. Nf6 Kg7 37. Rxh7+ Kg6 38. Kg4 Bd4 39. Rh6+ Kf7 40. Kf5 Ke7 41. Rh7+ 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.07.29"]
[Round "1.1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Enemchukwu, Chinedu Benjamin"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2201"]
[BlackElo "1889"]
[PlyCount "103"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Saint Vincent and the Grenadines"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "SVI"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 cxd4 6. Nxd4 e6 7. c4 Be7 8. Nc3 0-0 9. cxd5 exd5 10. Bf4 a6 11. Rc1 Be6 12. Nxc6 bxc6 13. Na4 Rc8 14. Nc5 Bxc5 15. Rxc5 Qb6 16. Qc1 Nd7 17. Rc2 c5 18. Rd1 d4 19. Rxd4 cxd4 20. Rxc8 Rxc8 21. Qxc8+ Nf8 22. Qa8 Bxa2 23. Bc6 Qc5 24. Qxa6 Bc4 25. Bd6 Bxa6 26. Bxc5 Ne6 27. Bb6 Bxe2 28. f4 g6 29. Bd5 d3 30. Kf2 Kf8 31. Ke3 Ke7 32. Be4 Kd6 33. b4 f5 34. Bb7 Bf1 35. Bc8 Kd5 36. Kd2 Kd6 37. Ba6 Kd5 38. Bxd3 Bxd3 39. Kxd3 Kc6 40. Be3 Kb5 41. Bd2 Kc6 42. Kc4 Nc7 43. Be3 Ne6 44. b5+ Kd6 45. Bd2 Nd8 46. Bb4+ Ke6 47. Kc5 Kd7 48. Kd5 Nf7 49. b6 h6 50. b7 Kc7 51. Ke6 Nd8+ 52. Kf6 1-0

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.29"]
[Round "8.2"]
[White "Smith, Shreyas"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2126"]
[BlackElo "2243"]
[PlyCount "104"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Jamaica"]
[BlackTeam "Panama"]
[WhiteTeamCountry "JAM"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Nge2 Re8 9. 0-0 Nbd7 10. f3 c5 11. Kh1 cxd4 12. Nxd4 Ne5 13. Rc1 a6 14. Qc2 h6 15. Bh4 b5 16. Rfd1 Bb7 17. Nf5 Rc8 18. a3 Bf8 19. Qb3 g6 20. Nd4 Nc4 21. Bxc4 dxc4 22. Qc2 Qb6 23. Bf2 Bc5 24. Rd2 Rcd8 25. Rcd1 Kg7 26. b4 cxb3 27. Qxb3 Rc8 28. e4 Qa5 29. Nb1 Qb6 30. Qb2 Kh7 31. a4 b4 32. a5 Qc7 33. Nf5 Bxf2 34. Qxf6 gxf5 35. Qxf5+ Kg7 36. Rd7 Qc4 37. Rxb7 Red8 38. Rbd7 Rxd7 39. Qxd7 b3 40. Na3 Qe2 41. h4 Bxh4 42. Qg4+ Bg5 43. Rg1 Rc6 44. Qf5 Rg6 45. e5 Qf2 46. Qh3 Bf4 47. Nc4 b2 48. Nxb2 Qxb2 49. Qf5 Qxe5 50. Qxe5+ Bxe5 51. Re1 Bc3 52. Re4 Bxa5 0-1

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.29"]
[Round "9.4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Warner, Delisle"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2243"]
[BlackElo "2124"]
[PlyCount "107"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Barbados"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "BAR"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. c4 dxc4 7. bxc4 c5 8. 0-0 Nc6 9. d3 Rb8 10. Nbd2 Qc7 11. a4 h6 12. a5 b6 13. axb6 axb6 14. Nb1 b5 15. cxb5 Rxb5 16. Bc3 Be6 17. Na3 Rb3 18. Nd2 Rbb8 19. Nac4 Nd5 20. Bxg7 Kxg7 21. Ne4 Nd4 22. Ra5 Nc3 23. Nxc3 Bxc4 24. Qa1 Be6 25. e3 Nb3 26. Nd5+ Nxa1 27. Nxc7 Nb3 28. Nxe6+ fxe6 29. Ra6 Rf6 30. Rb1 Rb4 31. d4 c4 32. Bf1 e5 33. Rxf6 exf6 34. dxe5 fxe5 35. Bxc4 Rxc4 36. Rxb3 h5 37. Kg2 h4 38. Rb6 hxg3 39. hxg3 Kf7 40. Kf3 Ra4 41. Rd6 Rb4 42. Ra6 Rc4 43. Ra3 Rb4 44. e4 Rc4 45. Re3 Kf6 46. Kg4 g5 47. f3 Rc6 48. Rb3 Ra6 49. Rb8 Ke7 50. Rg8 Kf6 51. Rxg5 Ra3 52. Rh5 Rd3 53. Rh6+ Kg7 54. Re6 1-0

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.28"]
[Round "5.5"]
[White "Tapia Ostolaza, Alexei"]
[Black "Arias, Lemnys A"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2243"]
[BlackElo "2303"]
[PlyCount "81"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "El Salvador"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "ESA"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 e6 5. 0-0 Nf6 6. c4 Be7 7. Nc3 0-0 8. cxd5 exd5 9. Ne5 Be6 10. Nxc6 bxc6 11. Na4 Qd7 12. b3 Bh3 13. Bg5 Bxg2 14. Kxg2 Ne4 15. Bxe7 Qxe7 16. Rc1 f5 17. Rxc6 f4 18. Nc5 Nc3 19. Qd3 Nxe2 20. Re6 Qg5 21. Re5 Qh6 22. f3 fxg3 23. hxg3 Nxg3 24. Kxg3 Rf6 25. Kf2 Qh2+ 26. Ke3 Raf8 27. Qe2 Qh6+ 28. Kd3 Qh3 29. Re8 h5 30. Rxf8+ Kxf8 31. Kc2 Kg8 32. Rf2 Qf5+ 33. Kb2 h4 34. Qe8+ Kh7 35. Qe5 Qg6 36. Rh2 Qh6 37. Qxd5 Rf4 38. Ne6 Rf6 39. Ng5+ Kg6 40. Qe4+ Rf5 41. Rg2 1-0

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.28"]
[Round "6.1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Zilleruelo Irizarry, Diego"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2243"]
[BlackElo "2102"]
[PlyCount "63"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "PUR"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c6 7. 0-0 Bf5 8. Nbd2 Ne4 9. Nh4 Nxd2 10. Qxd2 Bd7 11. e4 c5 12. c4 cxd4 13. Bxd4 Bxd4 14. Qxd4 Nc6 15. Qd2 Qb6 16. Rad1 Bg4 17. Bf3 Be6 18. Kg2 Qc5 19. Be2 Qe5 20. f4 Qc5 21. h3 Rad8 22. Nf3 f6 23. g4 Kh8 24. Bd3 Bf7 25. f5 g5 26. Be2 Ne5 27. Nd4 Kg7 28. Rh1 Rh8 29. h4 h6 30. Rh3 a6 31. Rdh1 Rc8 32. Rg3 1/2-1/2

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.28"]
[Round "4.2"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2344"]
[BlackElo "2243"]
[PlyCount "101"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Panama"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "PAN"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Nc2 Bg7 7. e4 0-0 8. Be2 d6 9. 0-0 Be6 10. Be3 Rc8 11. Rc1 Qd7 12. Qd2 Rfe8 13. b3 Ng4 14. Bxg4 Bxg4 15. Bh6 Bh8 16. f4 f6 17. f5 gxf5 18. h3 Bh5 19. exf5 e6 20. Ne3 Ne5 21. Qf2 Bg7 22. fxe6 Rxe6 23. Nf5 Bxh6 24. Nxh6+ Kh8 25. Qh4 Bg6 26. Nd5 Rf8 27. Rce1 Kg7 28. Re3 Qd8 29. Rg3 Kh8 30. Nf4 Re7 31. Nxg6+ Nxg6 32. Rxg6 Qb6+ 33. Kh2 hxg6 34. Nf7+ Kg8 35. Qh8+ Kxf7 36. Rxf6+ Ke8 37. Qxf8+ Kd7 38. Rxg6 Qe3 39. Qf5+ Kc7 40. Qf6 Rd7 41. h4 Qd2 42. Rg7 Qxa2 43. Rxd7+ Kxd7 44. Qf7+ Kc6 45. Qe8+ Kc7 46. Qf7+ Kc6 47. Qf3+ Kc7 48. h5 Qd2 49. Qf7+ Kb6 50. Qf6 Kc6 51. h6 1-0

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.27"]
[Round "2.3"]
[White "Alfaro Caracas, William"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2171"]
[BlackElo "2243"]
[PlyCount "25"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Panama"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 Nc6 5. c3 d5 6. Bd3 Bd6 7. Bg3 0-0 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Be7 11. dxc5 bxc5 12. Qe2 Bb7 13. h4 1/2-1/2

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.27"]
[Round "3.4"]
[White "Eichab, Charles Sidney"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2029"]
[BlackElo "2243"]
[PlyCount "80"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Namibia"]
[BlackTeam "Panama"]
[WhiteTeamCountry "NAM"]
[BlackTeamCountry "PAN"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. b3 c5 6. Bb2 Be7 7. 0-0 0-0 8. d4 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. cxd5 Qxd5+ 12. f3 Rd8 13. e4 Qb7 14. Qe2 Na6 15. Nd2 Nc5 16. Nc4 Rac8 17. Rfd1 a6 18. Rac1 Bf8 19. Ba1 h6 20. b4 Ncd7 21. a3 Rc7 22. Bb2 Rdc8 23. Ne3 Rxc1 24. Rxc1 Rxc1 25. Bxc1 Ne5 26. Nc4 Nfd7 27. Nxe5 Nxe5 28. f4 Nd7 29. Qc2 Nf6 30. Kf3 a5 31. Qc6 Qb8 32. b5 Qd8 33. Qc4 Bc5 34. Nc6 Qd1+ 35. Kg2 Ng4 36. Qf1 Qc2+ 37. Kh3 Nf2+ 38. Kh4 Qxe4 39. Ne5 Be7+ 40. Kh5 Qf5# 0-1

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2021.08.27"]
[Round "1.3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Adu Jnr, Lionel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2243"]
[BlackElo "1829"]
[PlyCount "65"]
[EventDate "2021.08.27"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Ghana"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "GHA"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. 0-0 0-0 6. Bf4 c6 7. Qc1 Qb6 8. Nbd2 Bg4 9. c3 Bxf3 10. Nxf3 Nbd7 11. Rb1 Rfe8 12. Re1 Ne4 13. Bh6 e5 14. Bxg7 Kxg7 15. e3 h5 16. Qc2 Re7 17. b3 Rae8 18. Rec1 exd4 19. cxd4 Ndf6 20. Ne5 Ng4 21. Bxe4 Nxe5 22. Bg2 Ng4 23. b4 h4 24. Qc5 hxg3 25. hxg3 Qc7 26. Rb3 Nxe3 27. fxe3 Rxe3 28. Rxe3 Rxe3 29. Qc2 Qxg3 30. Rf1 Rd3 31. Qe2 Rxd4 32. Qe7 Rf4 33. Qe5+ 1-0

[Event "Online Olym Div3 E"]
[Site "Chess.com INT"]
[Date "2020.08.08"]
[Round "5.4"]
[White "Hernandez, Mauricio Daniel"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2066"]
[BlackElo "2243"]
[PlyCount "114"]
[EventDate "2020.08.07"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "El Salvador"]
[BlackTeam "Panama"]
[WhiteTeamCountry "ESA"]
[BlackTeamCountry "PAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Be2 Qc7 8. 0-0 Be7 9. f4 d6 10. f5 0-0 11. g4 h6 12. Qd2 Nh7 13. Rf2 Ne5 14. Raf1 Bh4 15. Rg2 Bd7 16. Nf3 Nxf3+ 17. Rxf3 Ng5 18. Rf1 Bc6 19. Bf3 Rad8 20. Kh1 b5 21. Bxg5 Bxg5 22. Qf2 b4 23. Ne2 exf5 24. gxf5 Bb5 25. Qd4 Qc5 26. Rd1 Rfe8 27. h4 Bxe2 28. Bxe2 Qxd4 29. Rxd4 Bxh4 30. Bxa6 Bf6 31. Rxb4 d5 32. Bd3 dxe4 33. Bxe4 Bxb2 34. Rxb2 Rxe4 35. Rb6 Ra8 36. Rxh6 Re1+ 37. Kh2 Rxa2 38. f6 Rxc2 39. Rxc2 gxh6 40. Rg2+ Kf8 41. Rf2 Re6 42. Kg3 Kg8 43. Kf4 Rxf6+ 44. Kg3 Rxf2 45. Kxf2 Kg7 46. Kg3 Kg6 47. Kh4 Kf5 48. Kh5 Ke4 49. Kxh6 f5 50. Kh5 f4 51. Kh4 Ke3 52. Kh3 Ke2 53. Kg2 f3+ 54. Kg3 f2 55. Kh2 f1Q 56. Kg3 Qf3+ 57. Kh2 Qg4 0-1

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "6"]
[White "Duneas, John"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2147"]
[BlackElo "2243"]
[PlyCount "80"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 0-0 8. Qc2 Nbd7 9. 0-0-0 Re8 10. h4 h6 11. Nf3 Nf8 12. Ne5 Ng4 13. Bxe7 Qxe7 14. Nxg4 Bxg4 15. Rde1 Rac8 16. f3 Be6 17. g4 c5 18. Kb1 cxd4 19. exd4 Qf6 20. g5 hxg5 21. hxg5 Qxg5 22. Reg1 Qf6 23. Qh2 Ng6 24. Bxg6 fxg6 25. Qg3 b5 26. Rh4 b4 27. Na4 Bf5+ 28. Ka1 Rc4 29. Rgh1 Kf7 30. Nc5 Rxd4 31. Rxd4 Qxd4 32. Nb3 Qf6 33. Rd1 Re2 34. Nd4 Qe7 35. Nxf5 gxf5 36. Qf4 Re1 37. Qxf5+ Kg8 38. Qxd5+ Kh7 39. b3 Qf6+ 40. Kb1 Rxd1+ 0-1

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "4"]
[White "Larina, Marija"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1948"]
[BlackElo "2243"]
[PlyCount "35"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nge2 Be7 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 a6 9. Kh1 Qc7 10. f4 d6 11. g4 Nxd4 12. Qxd4 e5 13. Qe3 Bxg4 14. Qg3 exf4 15. Bxf4 Bh5 16. e5 dxe5 17. Bxe5 Qb6 18. Nd5 1-0

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Bocharov, Dmitry"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2243"]
[BlackElo "2524"]
[PlyCount "122"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. c4 e5 4. Nc3 g6 5. Bg2 Bg7 6. 0-0 d6 7. Ne1 Be6 8. d3 Nge7 9. Nc2 d5 10. cxd5 Nxd5 11. Ne3 Nde7 12. Bd2 0-0 13. Rc1 Rc8 14. Ne4 b6 15. Ng5 Bd7 16. Bc3 h6 17. Nf3 Be6 18. Nc4 Qc7 19. a4 Rfd8 20. Qe1 Nd5 21. Bd2 Kh7 22. b3 Qd7 23. h4 Bh3 24. Kh2 Bxg2 25. Kxg2 Re8 26. Rh1 e4 27. dxe4 Rxe4 28. h5 g5 29. Bxg5 Rce8 30. e3 Kh8 31. Bh4 Qf5 32. Rd1 R8e6 33. Qd2 Ncb4 34. Nh2 Qxh5 35. Nf3 Qg6 36. Bg5 Kg8 37. Bh4 Nc3 38. Qd8+ Re8 39. Qd2 Nxd1 40. Rxd1 Bf8 41. Qd7 R4e6 42. Rd5 Nxd5 43. Qxd5 Be7 44. Bxe7 R8xe7 45. Qa8+ Kh7 46. Qd5 Qe4 47. Qh5 Rf6 48. Ncd2 Qf5 49. Qh4 Ree6 50. Kg1 Kg7 51. Qh2 Qg4 52. Nh4 Rxe3 53. Nf1 Re1 54. Qg2 Rd6 55. Kh2 Rdd1 56. Ne3 Rh1+ 57. Qxh1 Rxh1+ 58. Kxh1 Qb4 59. Kg2 Qxb3 60. Nhf5+ Kf8 61. Nxh6 Qxa4 0-1

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "7"]
[White "Tapia Ostolaza, Alexei"]
[Black "Efremova, Yulia"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2243"]
[BlackElo "2128"]
[PlyCount "93"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c6 7. c4 Nbd7 8. Nc3 Qc7 9. 0-0 a5 10. Rc1 e5 11. e3 Rd8 12. Qe2 Qb8 13. Rfd1 Bf8 14. dxe5 dxe5 15. Ng5 Re8 16. h4 Nc5 17. Nce4 Ncxe4 18. Nxe4 Nxe4 19. Bxe4 a4 20. h5 axb3 21. hxg6 hxg6 22. axb3 Bg7 23. Kg2 Be6 24. Rh1 Ra2 25. Bb1 Bg4 26. Qd2 Rxb2 27. Qxb2 e4 28. Qd2 Bf3+ 29. Kg1 Rd8 30. Qe1 Qe5 31. Rh4 Qg5 32. Bxe4 Bxe4 33. Rxe4 Rd3 34. Kg2 Rxb3 35. Re8+ Bf8 36. Qd2 Qf6 37. Qd8 Qxd8 38. Rxd8 Kg7 39. Rd7 Rb2 40. Kf3 Bc5 41. Rcd1 Bf8 42. Rc7 Rb4 43. Rdd7 Rxc4 44. Rxf7+ Kg8 45. Rxb7 Rc2 46. Rfc7 c5 47. Rb8 1-0

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "5"]
[White "Tapia Ostolaza, Alexei"]
[Black "Simonovic, Miroslav"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2243"]
[BlackElo "2129"]
[PlyCount "61"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. 0-0 g6 5. b3 Bg7 6. Bb2 Nge7 7. c4 0-0 8. d3 d5 9. cxd5 Nxd5 10. Nfd2 Be6 11. Nc3 b6 12. Nc4 Qd7 13. Rc1 Rad8 14. Qc2 Ndb4 15. Qb1 Nd4 16. Rfe1 b5 17. Ne3 a6 18. Ne4 Nxe2+ 19. Rxe2 Qxd3 20. Qxd3 Nxd3 21. Rd1 c4 22. bxc4 bxc4 23. Bc3 h6 24. Red2 f5 25. Nc5 Bf7 26. Nxd3 cxd3 27. Rxd3 Rxd3 28. Rxd3 Bxa2 29. Bd5+ Kh7 30. Bxa2 e4 31. Rd7 1-0

[Event "Titled Tuesday intern op 26th May"]
[Site "Chess.com INT"]
[Date "2020.05.26"]
[Round "3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Toncheva, Nadya"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2243"]
[BlackElo "2064"]
[PlyCount "102"]
[EventDate "2020.05.26"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 e6 6. 0-0 Nge7 7. b3 0-0 8. Bb2 d5 9. cxd5 exd5 10. Rc1 b6 11. e3 Bb7 12. d4 cxd4 13. Nxd4 Nxd4 14. exd4 Re8 15. Re1 h5 16. Qd2 Rc8 17. Nb5 a6 18. Rxc8 Nxc8 19. Nc3 Rxe1+ 20. Qxe1 Bxd4 21. Qd2 Bxc3 22. Qxc3 d4 23. Qxd4 Qxd4 24. Bxd4 Bxg2 25. Kxg2 Kf8 26. Kf3 Ke7 27. Ke4 Ke6 28. a4 b5 29. axb5 axb5 30. Bc5 Nd6+ 31. Bxd6 Kxd6 32. Kd4 f6 33. f4 Kc6 34. h3 Kd6 35. g4 h4 36. g5 fxg5 37. fxg5 Ke6 38. Kc5 Kf5 39. Kxb5 Kf4 40. Kc6 Kg3 41. b4 Kxh3 42. b5 Kg2 43. b6 h3 44. b7 h2 45. b8Q h1Q 46. Kd7 Qd1+ 47. Ke6 Qd3 48. Qe5 Kf3 49. Kf6 Kg4 50. Qe6+ Kh5 51. Qh3+ Qxh3 0-1

[Event "Titled Tuesday intern op 4th Febr"]
[Site "Chess.com INT"]
[Date "2020.02.04"]
[Round "3"]
[White "Cervantes Landeiro, Thalia"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2199"]
[BlackElo "2226"]
[PlyCount "102"]
[EventDate "2020.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 c5 9. e3 Nc6 10. Qe2 Re8 11. Rfd1 Qc7 12. Rac1 Rac8 13. dxc5 bxc5 14. e4 d6 15. Nf1 e5 16. Ne3 Nd4 17. Nxd4 exd4 18. Nd5 Nxd5 19. cxd5 Qa5 20. Qc2 Ba6 21. b3 g6 22. h4 h5 23. Bh3 Rcd8 24. Bf1 Bxf1 25. Kxf1 Qa6+ 26. Kg2 Re7 27. Re1 Rde8 28. f3 Rb8 29. Qc4 Qxa2+ 30. Re2 Qxb3 31. Qxb3 Rxb3 32. Ra2 Reb7 33. Ra6 R3b6 34. Ra3 Kg7 35. f4 f6 36. e5 fxe5 37. fxe5 dxe5 38. Rxc5 Rd6 39. Raa5 Kf6 40. Ra3 e4 41. Ra4 Ke5 42. Rc6 Rb2+ 43. Kf1 Rxd5 44. Rxg6 e3 45. Rg5+ Ke4 46. Rxd5 Kxd5 47. Rxa7 d3 48. Rd7+ Ke4 49. Re7+ Kf3 50. Rf7+ Kxg3 51. Rg7+ Kxh4 0-1

[Event "Titled Tuesday intern op 4th Febr"]
[Site "Chess.com INT"]
[Date "2020.02.04"]
[Round "6"]
[White "Musovic, Armin"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2230"]
[BlackElo "2226"]
[PlyCount "132"]
[EventDate "2020.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. h3 Nf6 5. Na3 e6 6. Nf3 Nc6 7. d4 cxd4 8. Nb5 Qd8 9. cxd4 a6 10. Nc3 Bb4 11. Bd3 0-0 12. 0-0 Ne7 13. Bg5 Ng6 14. Rc1 b5 15. Ne4 Be7 16. Nc5 Nd7 17. Bxe7 Qxe7 18. b4 Nf4 19. Qd2 Nd5 20. Rfe1 Qf6 21. Ng5 g6 22. Be4 N7b6 23. Nf3 a5 24. a3 axb4 25. axb4 Nc4 26. Qh6 Ra2 27. Bxd5 exd5 28. Ra1 Rb2 29. Rab1 Rxb1 30. Rxb1 Bf5 31. Ra1 Be4 32. Nxe4 dxe4 33. Ng5 Qg7 34. Qxg7+ Kxg7 35. Nxe4 Rd8 36. Rd1 Nb2 37. Rd2 Nc4 38. Rd3 Nb2 39. Rb3 Rxd4 40. Rxb2 Rxe4 41. f3 Rd4 42. Kf2 Kf6 43. Ke3 Ke5 44. Rb3 f5 45. g3 f4+ 46. gxf4+ Rxf4 47. Kf2 Rd4 48. Kg3 Kd5 49. f4 Ke4 50. Kg4 h6 51. h4 Rd5 52. Rb1 h5+ 53. Kg3 Rd3+ 54. Kh2 Kxf4 55. Rg1 Rd4 56. Rxg6 Rxb4 57. Rg5 Rb2+ 58. Kh3 b4 59. Rxh5 b3 60. Rb5 Rb1 61. Kg2 b2 62. h5 Ra1 63. Rxb2 Kg5 64. Rb5+ Kh6 65. Kg3 Ra4 66. Rc5 Rb4 1/2-1/2

[Event "Titled Tuesday intern op 4th Febr"]
[Site "Chess.com INT"]
[Date "2020.02.04"]
[Round "5"]
[White "Tapia Ostolaza, Alexei"]
[Black "Slizhevsky, Alexander"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2226"]
[BlackElo "2426"]
[PlyCount "76"]
[EventDate "2020.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 c5 6. Bg2 cxd4 7. Bxd4 Nc6 8. Bb2 0-0 9. 0-0 d5 10. Nbd2 Bf5 11. Nh4 Be6 12. Nhf3 h6 13. e3 Rc8 14. Rc1 Qa5 15. a3 Rfd8 16. b4 Qa6 17. Nb3 Qb6 18. Nfd4 Bg4 19. f3 Bd7 20. Nc5 Ne5 21. Nxd7 Nfxd7 22. Rb1 Nc4 23. Bc1 e5 24. Nb3 Nxe3 25. Bxe3 Qxe3+ 26. Kh1 d4 27. f4 b6 28. Rf3 Qe4 29. Rd3 Qf5 30. fxe5 Nxe5 31. Rxd4 Re8 32. Rf4 Qxc2 33. Qf1 f5 34. Bd5+ Kh7 35. Rc1 Qb2 36. Rxc8 Rxc8 37. Rxf5 Ng4 38. Rf3 Qxh2# 0-1

[Event "Titled Tuesday intern op 4th Febr"]
[Site "Chess.com INT"]
[Date "2020.02.04"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Vlassov, Nikolai"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2226"]
[BlackElo "2354"]
[PlyCount "69"]
[EventDate "2020.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. 0-0 g5 5. e4 g4 6. Nh4 d6 7. Nc3 h5 8. Nd5 Nce7 9. Ne3 Bh6 10. c3 Bg5 11. Nhf5 Nxf5 12. exf5 Nf6 13. d4 cxd4 14. cxd4 exd4 15. Qxd4 Qb6 16. Qc3 Qc5 17. Nc4 Bxc1 18. Raxc1 Rh6 19. Rfe1+ Kf8 20. b4 Qxf5 21. Nxd6 Qd7 22. Nxc8 h4 23. Qc5+ Kg7 24. Nd6 Rh5 25. Qc7 Rd8 26. Qxd7 Rxd7 27. Nxb7 hxg3 28. hxg3 Rd2 29. a4 Rf5 30. Rf1 Rb2 31. b5 Nd7 32. Nd6 Rf6 33. Ne8+ Kg6 34. Nxf6 Nxf6 35. Rc6 1-0

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.30"]
[Round "9"]
[White "Tapia Ostolaza, Alexei"]
[Black "Urbina, Ricardo"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2234"]
[BlackElo "2254"]
[PlyCount "10"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 Bg4 5. 0-0 Nbd7 1/2-1/2

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.29"]
[Round "8"]
[White "Murillo Tsijli, Alexis"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2290"]
[BlackElo "2234"]
[PlyCount "129"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. Be3 b5 8. 0-0 Nf6 9. Nxc6 dxc6 10. f4 Bb7 11. e5 Nd5 12. Nxd5 cxd5 13. f5 exf5 14. Bd4 Bc5 15. Rxf5 0-0 16. c3 Rae8 17. Qd2 Bc8 18. Rg5 Re6 19. Bd3 Qb6 20. Qf2 Bxd4 21. cxd4 f6 22. Rf1 Rf7 23. Rf5 Qc7 24. Qh4 Rc6 25. R5f2 f5 26. Qf4 Be6 27. h4 Qc8 28. Re1 Qc7 29. Rff1 g6 30. Rc1 Kg7 31. Rxc6 Qxc6 32. Rc1 Qb6 33. h5 Rc7 34. Rxc7+ Qxc7 35. Qg5 Qb6 36. Kh1 Qc6 37. Kh2 Qd7 38. g4 Qf7 39. hxg6 Qxg6 40. Qxg6+ hxg6 41. gxf5 gxf5 42. Kg3 Kg6 43. Kf4 Bd7 44. b4 Bc8 45. a3 Be6 46. Bb1 Bc8 47. Ba2 Bb7 48. e6 Kf6 49. e7 Kxe7 50. Kxf5 Kd6 51. Kf6 Bc8 52. Bb1 Bb7 53. Bf5 Bc6 54. Kf7 Ba8 55. Ke8 Bb7 56. Kd8 Ba8 57. Bc8 Bc6 58. Bxa6 Bd7 59. Bb7 Bf5 60. Ke8 Be6 61. Ba8 Bg8 62. Bb7 Be6 63. Ba6 Bd7+ 64. Kd8 Bc6 65. Kc8 1-0

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.29"]
[Round "7"]
[White "Tapia Ostolaza, Alexei"]
[Black "Drazic, Sinisa"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2234"]
[BlackElo "2371"]
[PlyCount "131"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b5 3. Bg2 Bb7 4. 0-0 Nf6 5. c4 a6 6. cxb5 axb5 7. d4 e6 8. Bf4 Be7 9. Nc3 Bc6 10. a3 b4 11. axb4 Rxa1 12. Qxa1 cxb4 13. Nb1 0-0 14. Nbd2 Bb5 15. Re1 Nc6 16. e4 d5 17. e5 Nd7 18. Rc1 Qb6 19. Be3 Qb7 20. Qb1 Rc8 21. h4 Na5 22. h5 h6 23. g4 Nf8 24. g5 Bd3 25. Qa1 Ra8 26. Qa4 hxg5 27. Bxg5 Nc4 28. Qb3 Nxd2 29. Bxd2 Bf5 30. Kh2 Rc8 31. Rg1 Nh7 32. Bh3 Bc2 33. Qe3 Bf8 34. Ne1 b3 35. Rg3 Kh8 36. Qf4 Qd7 37. Nf3 Bd1 38. Ng5 Nxg5 39. Rxg5 Bc2 40. Rg3 Qe7 41. Qf3 Be4 42. Qxb3 Rc2 43. Bg5 Qb4 44. Qxb4 Bxb4 45. Rb3 Be1 46. Be3 Bxf2 47. Bxf2 Rxf2+ 48. Kg3 Rd2 49. Rb7 Kg8 50. Rb8+ Kh7 51. Rb7 Rd3+ 52. Kh2 Rxd4 53. Rxf7 Rd2+ 54. Kg3 Rxb2 55. Bxe6 Kh6 56. Bg4 Rb3+ 57. Kh4 g5+ 58. hxg6 Bxg6 59. Rd7 Rb4 60. Rd6 Re4 61. e6 Re5 62. Bf3 Be4 63. Bxe4 dxe4 64. Kg4 e3 65. Rd1 Rxe6 66. Re1 1/2-1/2

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.28"]
[Round "6"]
[White "Hernandez Alvarez, Tania Regla"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2071"]
[BlackElo "2234"]
[PlyCount "83"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Nge7 7. 0-0 Ng6 8. Qe2 Be7 9. Rd1 0-0 10. Be3 Qc7 11. Rac1 Qb8 12. g3 d6 13. a3 Rd8 14. Ba2 Bd7 15. h4 Be8 16. h5 Nge5 17. Nh2 Nd7 18. b4 Nf8 19. f4 Rc8 20. h6 g6 21. Ng4 Nd7 22. Qb2 Bf8 23. Nb5 e5 24. Qd2 a5 25. Bb3 axb4 26. axb4 Kh8 27. Rf1 Ra6 28. f5 Nd8 29. fxg6 hxg6 30. Rcd1 Nb6 31. Nxd6 Bxd6 32. Qxd6 Qxd6 33. Rxd6 Nd7 34. Rxa6 bxa6 35. Bd5 Rc3 36. Kg2 Kh7 37. Bg5 Rc2+ 38. Rf2 Rxf2+ 39. Kxf2 f5 40. Nf6+ Nxf6 41. Bxf6 Nc6 42. Bxc6 1/2-1/2

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.28"]
[Round "5"]
[White "Tapia Ostolaza, Alexei"]
[Black "Hart, Alexander E"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2234"]
[BlackElo "1963"]
[PlyCount "102"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. 0-0 e6 5. d3 Bd6 6. Qe1 Ne7 7. e4 0-0 8. e5 Bc7 9. Nh4 c5 10. f4 Nbc6 11. c3 Qd7 12. Nd2 Rae8 13. Ndf3 b5 14. d4 c4 15. h3 Bh5 16. Ng5 b4 17. g4 Bg6 18. Nxg6 fxg6 19. h4 a5 20. Be3 Rb8 21. Bf3 a4 22. a3 bxc3 23. bxc3 Na5 24. Bd1 Rb7 25. Bc2 h6 26. Nh3 Nb3 27. Ra2 Ba5 28. Bf2 Qe8 29. Qe3 h5 30. Ng5 hxg4 31. Nxe6 Nf5 32. Bxf5 Rxf5 33. Ng5 Bd8 34. Qg3 Bxg5 35. hxg5 Kf7 36. Qxg4 Ke6 37. Kg2 Rbf7 38. Be3 Rf8 39. Rh1 Rg8 40. Kg3 Qf8 41. Rh7 Qc8 42. Qh4 Rff8 43. Qh3+ Rf5 44. Rh2 Qf8 45. Rh8 Na5 46. Qh7 Rxh8 47. Qxg6+ Kd7 48. Rxh8 Qxh8 49. Qxf5+ Kc7 50. Qf7+ Kb6 51. Qxd5 Qc8 1-0

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.27"]
[Round "3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Chaves Sanchez, Gabriel A"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2234"]
[BlackElo "2161"]
[PlyCount "47"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. 0-0 0-0 6. b3 c5 7. cxd5 Nxd5 8. Bb2 Nc6 9. Nc3 Bf6 10. Rc1 b6 11. d3 Bb7 12. Qd2 Nxc3 13. Bxc3 Bxc3 14. Qxc3 Qd6 15. Rfd1 e5 16. e3 Rfe8 17. Qc4 Rad8 18. a3 Na5 19. Qc2 Ba6 20. Ne1 Re7 21. Rb1 Rc7 22. Qe2 Bb5 23. h4 Nc6 24. Be4 1/2-1/2

[Event "San Jose Metropolitano op"]
[Site "San Jose"]
[Date "2019.12.26"]
[Round "2"]
[White "Valdes Romero, Leonardo"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2407"]
[BlackElo "2234"]
[PlyCount "75"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 Bf5 5. Qb3 Qb6 6. d3 Nbd7 7. Qxb6 Nxb6 8. cxd5 cxd5 9. Nc3 Bd7 10. a4 e6 11. a5 Nc8 12. Ne5 Bd6 13. Nxd7 Kxd7 14. e4 Ne7 15. Bg5 d4 16. Nb5 Nc6 17. Nxd6 Kxd6 18. a6 e5 19. f4 Nd7 20. fxe5+ Ndxe5 21. Bf4 Rab8 22. 0-0 f6 23. Bxe5+ Nxe5 24. Ra4 Nc6 25. e5+ fxe5 26. Rf7 b5 27. Ra1 Rhg8 28. Be4 h6 29. Bh7 Rgf8 30. Rxg7 Ne7 31. Be4 Rbc8 32. Rh7 Rf6 33. b4 Rc2 34. Ra5 Nd5 35. Bxd5 Kxd5 36. Rxb5+ Ke6 37. Rxa7 Rf3 38. Rb6+ 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "5"]
[White "Denishev, Marat"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2167"]
[BlackElo "2234"]
[PlyCount "111"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Rd1 b6 9. Nbd2 Bb7 10. e4 Rc8 11. e5 Ne8 12. cxd5 cxd5 13. Qd3 Qc7 14. Ne1 f6 15. exf6 Nexf6 16. Ndf3 Ne4 17. Be3 Qd6 18. Rac1 Ndf6 19. Bf4 Qb4 20. b3 Ng4 21. Be3 Qa3 22. Rxc8 Rxc8 23. h3 Ba6 24. Qb1 Nxe3 25. fxe3 Nxg3 26. Ne5 Bd6 27. Kh2 Nf5 28. Bxd5 Bxe5+ 29. dxe5 Qe7 30. Qxf5 exd5 31. Rxd5 Rf8 32. Rd7 Qe8 33. Qg4 Qxe5+ 34. Kg2 Bc8 35. Qc4+ Kh8 36. Rc7 Qg5+ 37. Kh1 Bxh3 38. Rf7 Rxf7 39. Qxf7 h6 40. Qe8+ Kh7 41. Qe4+ Bf5 42. Qf4 Qh5+ 43. Kg1 Qg6+ 44. Kf2 Bb1 45. a3 Ba2 46. b4 Qe6 47. Nf3 Bd5 48. Nd4 Qg6 49. Ke2 Qg2+ 50. Kd3 Qg6+ 51. Kc3 Be4 52. a4 a5 53. b5 h5 54. Qe5 h4 55. Ne6 Bf5 56. Nf8+ 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "6"]
[White "Fajdetic, Hrvoje"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2160"]
[BlackElo "2234"]
[PlyCount "71"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 d5 6. Ngf3 Bd6 7. Bg3 0-0 8. Ne5 Qc7 9. f4 Ne7 10. Bd3 Nf5 11. Bxf5 exf5 12. Bh4 Ne4 13. Nxe4 dxe4 14. Nc4 cxd4 15. Nxd6 Qxd6 16. Qxd4 Qa6 17. c4 Be6 18. b3 Qa5+ 19. Ke2 f6 20. Rhd1 Rfd8 21. Qb2 Qb6 22. Rd4 Kf7 23. Rad1 Ke7 24. Be1 Bf7 25. Qa3+ Ke8 26. Ba5 Bh5+ 27. Kf2 Rxd4 28. Rxd4 Qe6 29. Qa4+ Kf7 30. Qd7+ Qe7 31. Bb4 Qxd7 32. Rxd7+ Ke6 33. Rxg7 Rd8 34. Rxh7 Bd1 35. Rxb7 Bc2 36. Re7# 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "3"]
[White "Nilsen, Tobias Lang"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1978"]
[BlackElo "2234"]
[PlyCount "112"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. 0-0 Nf6 8. Be3 Be7 9. f4 d6 10. f5 e5 11. Nb3 h6 12. Qe1 b5 13. a3 Bb7 14. Rd1 Rc8 15. Qg3 Rg8 16. Nd5 Nxd5 17. exd5 Na5 18. Bxh6 Nxb3 19. cxb3 Qc2 20. Rd2 Qc5+ 21. Be3 Qc7 22. Kh1 Bf6 23. a4 b4 24. Bd3 Ke7 25. Rc2 Qd7 26. Rxc8 Rxc8 27. Bc4 Rh8 28. Bg5 Bc8 29. Bxf6+ gxf6 30. Qg7 Qd8 31. h3 Rg8 32. Qh6 Rg5 33. Qh7 a5 34. h4 Rg4 35. Qh5 Qg8 36. Rf2 Rd4 37. Kh2 Qg7 38. Rf3 Rg4 39. Rf2 Bd7 40. Be2 Rd4 41. Bc4 Bxa4 42. bxa4 Rxc4 43. b3 Rc3 44. Rf3 Rxf3 45. Qxf3 Qh6 46. Qd3 Qxh4+ 47. Kg1 Qe1+ 48. Kh2 Qh4+ 49. Kg1 Qf4 50. g3 Qc1+ 51. Kf2 Qb2+ 52. Kf3 Kf8 53. Kg4 Kg7 54. Kh5 Qc3 55. Qe4 Qxg3 56. Qh1 Qg5# 0-1

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "7"]
[White "Tapia Ostolaza, Alexei"]
[Black "Johnson, Joel F"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2234"]
[BlackElo "2223"]
[PlyCount "81"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 b5 2. g3 a6 3. Bg2 Bb7 4. 0-0 Nf6 5. b3 e6 6. Bb2 d6 7. c4 Nbd7 8. d3 h5 9. h4 Ng4 10. Nbd2 Rg8 11. Ng5 Bxg2 12. Kxg2 Be7 13. Ndf3 Nf8 14. cxb5 axb5 15. Qc2 Ra6 16. Rfc1 c5 17. a4 b4 18. Qc4 Rb6 19. a5 Rb8 20. a6 Qd7 21. a7 Ra8 22. Qa6 f6 23. Ne4 g5 24. hxg5 fxg5 25. Qb6 h4 26. Qb8+ Qd8 27. Qxd8+ Kxd8 28. d4 Nd7 29. dxc5 Nxc5 30. Nxc5 dxc5 31. Ra6 h3+ 32. Kxh3 Nxf2+ 33. Kg2 Ng4 34. Rd1+ Kc7 35. Rxe6 Rge8 36. Be5+ Kb7 37. Rd7+ Kc8 38. Rdxe7 Rxe7 39. Rxe7 Nxe5 40. Nxe5 Kd8 41. Rg7 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "10"]
[White "Tapia Ostolaza, Alexei"]
[Black "Koscielski, Janusch"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2234"]
[BlackElo "2279"]
[PlyCount "87"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 c5 6. Bg2 Qa5+ 7. Nbd2 Ne4 8. 0-0 Nxd2 9. Nxd2 cxd4 10. Nc4 Qc5 11. e3 Nc6 12. Re1 0-0 13. exd4 Bxd4 14. Bxd4 Nxd4 15. Rxe7 d5 16. Re5 Be6 17. Ne3 f6 18. Rxe6 Nxe6 19. Bxd5 Rae8 20. Bxb7 Rd8 21. Bd5 Kg7 22. c4 Ng5 23. h4 Nf7 24. Rb1 a5 25. Qc1 Ne5 26. a3 Rfe8 27. b4 axb4 28. axb4 Qd4 29. b5 Nd3 30. Qd2 Rxd5 31. cxd5 Qe4 32. Rd1 Ne5 33. Qc2 Qf3 34. d6 Kh6 35. d7 Rd8 36. Qc7 Qa8 37. f4 Nf3+ 38. Kf2 Nxh4 39. gxh4 Qa2+ 40. Kf3 Qg8 41. Ng4+ Kh5 42. Nxf6+ Kh6 43. Nxg8+ Kg7 44. Qxd8 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Pantzar, Milton"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2234"]
[BlackElo "2410"]
[PlyCount "121"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. c4 c6 7. 0-0 b6 8. d3 Bb7 9. Nbd2 e6 10. Rc1 c5 11. cxd5 exd5 12. d4 Nbd7 13. dxc5 bxc5 14. e3 Qb6 15. Nb1 Rfd8 16. Nc3 Rac8 17. Na4 Qa5 18. Ne5 Nb6 19. Nxb6 axb6 20. Qc2 Qb5 21. Rfd1 Qe8 22. h3 Ra8 23. a4 Qe6 24. Nd3 Rac8 25. Nf4 Qe8 26. Bxf6 Bxf6 27. Nxd5 Bxd5 28. Bxd5 Kg7 29. Bc4 Rxd1+ 30. Rxd1 Rd8 31. Rxd8 Qxd8 32. Qe4 Qe7 33. Qc6 Qd8 34. Qb7 Be7 35. Kg2 Qd6 36. h4 h5 37. Qc8 Qf6 38. Qe8 Bd6 39. Qd7 Be5 40. f4 Bc3 41. e4 Kf8 42. e5 Qe7 43. Qxe7+ Kxe7 44. Kf3 f6 45. exf6+ Kxf6 46. g4 hxg4+ 47. Kxg4 Ba5 48. Bd3 Bc3 49. f5 gxf5+ 50. Bxf5 Kg7 51. Kg5 Kh8 52. Kg6 Ba5 53. Kf7 Bb4 54. h5 Ba5 55. h6 Bb4 56. h7 Ba5 57. Ke6 Bb4 58. Kd6 Ba5 59. Kc6 Kg7 60. Bd3 Kh8 61. Kd7 1/2-1/2

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "8"]
[White "Tapia Ostolaza, Alexei"]
[Black "Perez Rodriguez, Jennifer"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2234"]
[BlackElo "2251"]
[PlyCount "47"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 c5 5. d4 cxd4 6. Nxd4 Nc6 7. c4 Bc5 8. Nb3 Bb6 9. cxd5 exd5 10. Bg5 Be6 11. Nc3 d4 12. Ne4 h6 13. Bxf6 gxf6 14. Rc1 f5 15. Nec5 Qe7 16. Nxe6 fxe6 17. Bxc6+ bxc6 18. Rxc6 Rd8 19. Qd3 h5 20. a4 h4 21. a5 hxg3 22. fxg3 Qd7 23. Qc4 Bxa5 24. Nxa5 1-0

[Event "Titled Tuesday intern op 3rd Jan"]
[Site "Chess.com INT"]
[Date "2019.12.03"]
[Round "9"]
[White "Vestby Ellingsen, Mads"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2346"]
[BlackElo "2234"]
[PlyCount "115"]
[EventDate "2019.12.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Bg5 Qa5+ 5. c3 dxc3 6. Nxc3 Nc6 7. Bd2 Qb6 8. Bc4 Nge7 9. 0-0 Ng6 10. Qe2 Be7 11. Rfd1 0-0 12. Rac1 a6 13. Bb3 Bf6 14. Na4 Qc7 15. Be3 b5 16. Nb6 Rb8 17. Nd5 exd5 18. exd5 Bb7 19. dxc6 Bxc6 20. Bc5 Rfe8 21. Qd3 Qb7 22. Qf5 Bxf3 23. Rxd7 Qe4 24. Bxf7+ Kh8 25. Qxe4 Bxe4 26. Bxe8 Rxe8 27. Re1 Nf4 28. f3 Bg6 29. Rxe8+ Bxe8 30. Ra7 Kg8 31. Rxa6 Bxb2 32. Ra7 Bf6 33. Rb7 Nd3 34. Be3 h6 35. Kf1 Bf7 36. Rb8+ Kh7 37. Ra8 Bc4 38. Kg1 Kg6 39. h3 Ne5 40. Kf2 Kf5 41. g4+ Ke6 42. Kg3 Nd3 43. Ra6+ Kd5 44. Bxh6 Be5+ 45. f4 gxh6 46. fxe5 Nxe5 47. Rxh6 Bxa2 48. g5 Bb1 49. Rb6 Kc5 50. Rb8 b4 51. h4 Bd3 52. h5 Bb5 53. h6 b3 54. h7 b2 55. h8Q b1Q 56. Qxe5+ Kc4 57. Qxb5+ Qxb5 58. Rxb5 1-0

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "2"]
[White "Ciorgovean, Iustin"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2331"]
[BlackElo "2249"]
[PlyCount "90"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. h3 Re8 9. Qc2 Nbd7 10. Nf3 Nf8 11. 0-0 Ne4 12. Bf4 f5 13. Ne5 Nd7 14. f3 Nxe5 15. Bxe5 Nxc3 16. bxc3 Bd6 17. f4 g6 18. c4 Bxe5 19. fxe5 Be6 20. Rab1 b6 21. Rfc1 Rc8 22. c5 b5 23. a4 a6 24. Ra1 Qg5 25. Qf2 Rf8 26. Qf4 Qe7 27. axb5 axb5 28. Ra6 Qb7 29. Rca1 Ra8 30. R6a2 Rxa2 31. Rxa2 Ra8 32. Qf2 Ra6 33. Bb1 Qa7 34. Rxa6 Qxa6 35. Qa2 Qxa2 36. Bxa2 Kf7 37. Kf2 g5 38. Ke1 Ke7 39. Kd2 Kd7 40. Kc3 Kc7 41. Kb4 Kb7 42. Ka5 Ka7 43. Bb1 h5 44. g3 g4 45. hxg4 hxg4 1/2-1/2

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "10"]
[White "Cruz Lledo, Pablo"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2452"]
[BlackElo "2249"]
[PlyCount "103"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Nge2 Nbd7 9. 0-0 Re8 10. Qc2 Nf8 11. f3 Ng6 12. Nf4 Nxf4 13. Bxf4 Bd6 14. Bxd6 Qxd6 15. Qf2 Bd7 16. e4 dxe4 17. fxe4 Qe7 18. e5 Ng4 19. Qg3 g6 20. Ne4 Bf5 21. Nf6+ Nxf6 22. exf6 Qe3+ 23. Qxe3 Rxe3 24. Bxf5 gxf5 25. Rxf5 Rd8 26. Rd1 Re4 27. d5 cxd5 28. Rfxd5 Rxd5 29. Rxd5 h5 30. Rg5+ Kh7 31. Rg7+ Kh6 32. Rxf7 Rb4 33. b3 Kg6 34. Rf8 Rb6 35. Kf2 Rc6 36. Kf3 Rc3+ 37. Ke4 Rc2 38. Ke5 Rxa2 39. Rg8+ Kf7 40. Rg7+ Kf8 41. h4 b6 42. g3 Rb2 43. Ke6 Re2+ 44. Kf5 Re3 45. b4 a5 46. bxa5 bxa5 47. Kf4 Re6 48. Kg5 Re5+ 49. Kg6 Re3 50. Kxh5 a4 51. g4 a3 52. Ra7 1-0

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "6"]
[White "Fajdetic, Hrvoje"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2187"]
[BlackElo "2249"]
[PlyCount "134"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nd2 Bb7 5. a4 a5 6. Ngf3 Be7 7. h3 0-0 8. Bd3 c5 9. Nc4 cxd4 10. exd4 d5 11. Nce5 Ne4 12. Nd2 f6 13. Ng4 Nd7 14. f3 Nxd2 15. Qxd2 Re8 16. 0-0 Nf8 17. Rfe1 Bd6 18. Bb5 Re7 19. Re2 Qc7 20. Bxd6 Qxd6 21. Rae1 Rc8 22. Nf2 Bc6 23. Bxc6 Qxc6 24. b3 Kf7 25. Nd3 Qc3 26. Qf4 Kg8 27. h4 h6 28. h5 Rc6 29. Nf2 Qb4 30. Ng4 Qd6 31. Qe3 Rec7 32. Qd3 Rc3 33. Qd2 Qc6 34. Ne3 Qd6 35. Kf2 Qf4 36. g3 Qg5 37. Rh1 f5 38. f4 Qf6 39. Qd1 R7c6 40. Ng2 Qf7 41. Ne1 Nd7 42. Nd3 Qf8 43. Rhe1 Nf6 44. Ne5 Ne4+ 45. Rxe4 fxe4 46. Nxc6 Rxc6 47. c4 Qb4 48. cxd5 exd5 49. g4 Rc3 50. Re3 Rxe3 51. Kxe3 Qc3+ 52. Kf2 Kf7 53. g5 e3+ 54. Kf3 Ke6 55. Qe2 Qxb3 56. Qxe3+ Qxe3+ 57. Kxe3 Kf5 58. g6 Kg4 59. f5 Kxf5 60. Kf3 Kg5 61. Kg3 Kxh5 62. Kf4 Kxg6 63. Ke5 h5 64. Kxd5 h4 65. Ke4 Kf6 66. d5 g5 67. Kf3 Ke5 0-1

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "5"]
[White "Lopez Idarraga, Daniel Eduardo"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2001"]
[BlackElo "2249"]
[PlyCount "149"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Be7 6. h3 0-0 7. Bd3 c5 8. c3 d5 9. Ne5 Nbd7 10. Qf3 Rc8 11. g4 Nxe5 12. Bxe5 Nd7 13. Rd1 Nxe5 14. dxe5 Qc7 15. 0-0 Qxe5 16. e4 Bg5 17. Qe2 Bxd2 18. Rxd2 dxe4 19. Ba6 Bxa6 20. Qxa6 e3 21. Re2 exf2+ 22. Rfxf2 Qc7 23. Rd2 Rcd8 24. Kg2 h6 25. a4 e5 26. a5 bxa5 27. Qc4 Qc6+ 28. Kg3 Rde8 29. Rd5 e4 30. Qxc5 Qb7 31. Qxa5 e3 32. Re2 Qb8+ 33. Kg2 Re7 34. Qb5 Qf4 35. Rf5 Qd6 36. Qd5 Qa6 37. Qb5 Qd6 38. Qd5 Qb6 39. Qb5 Rd8 40. Qxb6 axb6 41. Kf3 Rd2 42. Rxd2 exd2 43. Rd5 Re5 44. Rxd2 Kf8 45. Kf4 Re6 46. Rd5 Ke7 47. Re5 Kd6 48. Rxe6+ Kxe6 49. Ke4 Kd6 50. Kd4 g6 51. c4 Ke6 52. b4 f5 53. gxf5+ gxf5 54. c5 bxc5+ 55. bxc5 Kf6 56. c6 Ke6 57. Kc5 f4 58. c7 Kd7 59. Kd4 Kxc7 60. Ke4 Kd6 61. Kxf4 Ke6 62. Kg4 Kf6 63. Kh5 Kg7 64. h4 Kh7 65. Kg4 Kg7 66. Kf5 Kf7 67. h5 Kg7 68. Ke6 Kf8 69. Kf6 Kg8 70. Kg6 Kh8 71. Kxh6 Kg8 72. Kg6 Kh8 73. h6 Kg8 74. h7+ Kh8 75. Kh6 1/2-1/2

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "1"]
[White "Mitrabha, Guha"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2414"]
[BlackElo "2249"]
[PlyCount "47"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 c5 6. Nc4 cxd4 7. Nxd4 d5 8. Ne5 Be7 9. Bb5+ Nfd7 10. Nxe6 fxe6 11. Qh5+ g6 12. Nxg6 hxg6 13. Qxh8+ Kf7 14. Qh7+ Kf6 15. g4 e5 16. g5+ Ke6 17. Qxg6+ Bf6 18. gxf6 exf4 19. f7+ Nf6 20. exf4 Kd6 21. 0-0-0 Nc6 22. Rhe1 Kc5 23. Bxc6 Bxc6 24. Re6 1-0

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Ginzburg, Yakov"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2249"]
[BlackElo "2405"]
[PlyCount "74"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c6 7. 0-0 Nbd7 8. c4 Qc7 9. Nc3 e5 10. e3 Re8 11. Rc1 a6 12. Re1 Nf8 13. c5 exd4 14. cxd6 Qxd6 15. Nxd4 Bg4 16. Qc2 Rad8 17. Na4 Qc7 18. Ba3 Nd5 19. Ne2 h5 20. e4 Nb6 21. Nc5 Nbd7 22. Nf4 Bd4 23. b4 Ne5 24. h3 Bf3 25. Bb2 g5 26. Bxd4 Rxd4 27. Qc3 Red8 28. Bxf3 gxf4 29. Bxh5 Nd3 30. Nxd3 Rxd3 31. Qf6 fxg3 32. f3 Nh7 33. Qf5 Rd2 34. Rc5 Qd6 35. Qg4+ Kh8 36. Bxf7 Qd4+ 37. Kh1 Rh2# 0-1

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "7"]
[White "Tapia Ostolaza, Alexei"]
[Black "Gschnitzer, Adrian"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2249"]
[BlackElo "2405"]
[PlyCount "84"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. c4 c5 5. 0-0 Nc6 6. d4 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 Bd7 11. Nb3 Be7 12. c4 0-0 13. Bg5 Rfd8 14. Rab1 Be8 15. Nbd4 Rab8 16. Nxc6 Bxc6 17. Ne5 Bxg2 18. Kxg2 Rxd1 19. Rxd1 Rd8 20. Nd3 Kf8 21. Rb1 b6 22. a4 Ne4 23. Bxe7+ Kxe7 24. a5 Nd2 25. Rb4 bxa5 26. Ra4 Nb3 27. Ra3 Rb8 28. c5 f6 29. h4 Kd7 30. Nf4 e5 31. Nd3 Rb5 32. f4 e4 33. Nb2 Nxc5 34. Nc4 a4 35. Kf2 Rb3 36. Ra2 Rc3 37. Ne3 Kc6 38. g4 Kb5 39. g5 fxg5 40. hxg5 Ne6 41. Ng2 Kb4 42. e3 Kb3 0-1

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Palkovich, Denis"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2249"]
[BlackElo "2190"]
[PlyCount "82"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. c4 c6 5. 0-0 Nf6 6. d3 h6 7. cxd5 exd5 8. Nc3 Be7 9. Nh4 Bh7 10. e4 dxe4 11. dxe4 Qxd1 12. Rxd1 0-0 13. Be3 g5 14. Nf5 Bxf5 15. exf5 Na6 16. h4 Ng4 17. Rd7 Nxe3 18. Rxe7 Nxg2 19. Kxg2 Rab8 20. hxg5 hxg5 21. f6 Kh7 22. Ne4 Rbe8 23. Nxg5+ Kg6 24. Nxf7 Kxf6 25. Rxe8 Rxe8 26. Nd6 Re2 27. b3 Nc5 28. Kf3 Rd2 29. Nc4 Rc2 30. Ne3 Rb2 31. Ng4+ Kg5 32. Rc1 Ne6 33. Rd1 Rxa2 34. Rd6 Nc5 35. Ne3 Rb2 36. Rd4 Rxb3 37. Kg2 a5 38. f4+ Kg6 39. g4 Rxe3 40. Rc4 b6 41. Kf2 Re4 0-1

[Event "Titled Tuesday intern op 3rd Sept"]
[Site "Chess.com INT"]
[Date "2019.09.03"]
[Round "9"]
[White "Tapia Ostolaza, Alexei"]
[Black "Sucikova, Svetlana"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2249"]
[BlackElo "2127"]
[PlyCount "65"]
[EventDate "2019.09.03"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. c4 Nbd7 6. d4 e6 7. Nbd2 Be7 8. b3 0-0 9. Bb2 a5 10. a3 a4 11. b4 dxc4 12. Nxc4 Be4 13. Rc1 Bd5 14. Ncd2 Ne4 15. Re1 Nxd2 16. Qxd2 Nf6 17. e3 Ne4 18. Qd3 Nd6 19. e4 Bb3 20. Nd2 Nb5 21. h4 Bf6 22. e5 Be7 23. Nxb3 axb3 24. Ra1 Qb6 25. Re4 Rfd8 26. h5 c5 27. bxc5 Bxc5 28. dxc5 Rxd3 29. cxb6 Rd2 30. Rb1 Nxa3 31. Bxa3 Rxa3 32. Rb4 Rd3 33. Bxb7 1-0

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "4"]
[White "Daianu, Cristian Clement"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2211"]
[BlackElo "2274"]
[PlyCount "143"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. f4 Bc5 6. Nb3 Bb6 7. Qf3 Nge7 8. Nc3 0-0 9. Be3 a5 10. Bb5 Na7 11. Bd3 Nac6 12. 0-0 a4 13. Nc5 a3 14. b3 Nb4 15. Kh1 Nxd3 16. cxd3 d6 17. N5a4 Ba5 18. Rac1 Bd7 19. Ne2 Bxa4 20. bxa4 d5 21. f5 dxe4 22. dxe4 exf5 23. exf5 Qd5 24. Bc5 Rfe8 25. Qg4 Qd2 26. Nf4 f6 27. Nh5 Qh6 28. Be3 g5 29. fxg6 Qxg6 30. Nxf6+ Kh8 31. Qxg6 Nxg6 32. Nxe8 Rxe8 33. Bd4+ Kg8 34. Bc5 Re2 35. Rf2 Re4 36. Bxa3 Rxa4 37. Rc8+ Kg7 38. Bb2+ Kh6 39. h3 Re4 40. Rf7 Re1+ 41. Kh2 Bb6 42. Bc1+ Be3 43. Bxe3+ Rxe3 44. Rcc7 Ra3 45. Rxh7+ Kg5 46. Rxb7 Rxa2 47. Rb5+ Kf6 48. Rh6 Kg7 49. Rhh5 Nf4 50. Rhg5+ Kh6 51. Rg4 Ne2 52. Rb8 Kh7 53. Rf8 Ra1 54. Rf2 Nc3 55. Rf5 Kh6 56. Rfg5 Ne2 57. Rg8 Kh7 58. R8g5 Kh6 59. Rg6+ Kh7 60. Re6 Nc3 61. Kg3 Nd5 62. Kh4 Ra7 63. Re5 Nf6 64. Rgg5 Ra4+ 65. g4 Ra3 66. Re6 Nd5 67. Rf5 Ne3 68. Rf7+ Kg8 69. Rb7 Ng2+ 70. Kg5 Ra5+ 71. Kf6 Nf4 72. Re8# 1-0

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "8"]
[White "Gurevich, Dmitry"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2385"]
[BlackElo "2274"]
[PlyCount "52"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 b6 4. Bg2 c6 5. Nc3 Bb7 6. Nh3 d5 7. 0-0 Be7 8. Nf4 0-0 9. b3 Nbd7 10. Bb2 Re8 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bg2 Qc7 15. c5 bxc5 16. dxc5 e5 17. Nd3 e4 18. Nf4 Bxc5 19. Bxf6 gxf6 20. Nh5 Qe5 21. Qg4+ Kf8 22. Bxe4 Qg5 23. Qxg5 fxg5 24. Bxh7 Ba6 25. Rfe1 Re2 26. Be4 Bxf2+ 0-1

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "7"]
[White "Sebag, Marie"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2450"]
[BlackElo "2274"]
[PlyCount "63"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nf3 Ne7 6. 0-0 Nec6 7. Nxd4 Nxd4 8. d3 Be7 9. f4 0-0 10. f5 d5 11. exd5 exf5 12. Be3 Bd6 13. Bxd4 cxd4 14. Ne2 Qh4 15. g3 Qf6 16. Qe1 Bd7 17. Qf2 Bc5 18. c3 Rac8 19. Nxd4 Qb6 20. b4 Bxd4 21. Qxd4 Qxd4+ 22. cxd4 b5 23. Bb3 Rc3 24. Rfd1 Rfc8 25. Kf2 Kf8 26. Ke3 Ke7 27. Kd2 Kd6 28. Re1 R8c7 29. Re2 Bc8 30. Rae1 Bb7 31. Re8 Rd7 32. Kxc3 1-0

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "9"]
[White "Tapia Ostolaza, Alexei"]
[Black "Diaz Villagran, Robert"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2274"]
[BlackElo "2325"]
[PlyCount "41"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 a5 6. a3 b6 7. 0-0 Bb7 8. c4 d6 9. d4 Nbd7 10. Nc3 Ne4 11. Qc2 Ndf6 12. Nd2 Nxd2 13. Qxd2 Bxg2 14. Kxg2 d5 15. Rac1 e6 16. cxd5 exd5 17. Nb5 Rc8 18. Na7 Ra8 19. Nb5 Rc8 20. Na7 Ra8 21. Nb5 1/2-1/2

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Kraitsberg, Michael"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2274"]
[BlackElo "2206"]
[PlyCount "78"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. 0-0 c5 7. d4 cxd4 8. Bxd4 Nc6 9. Bb2 Re8 10. Ne5 Qc7 11. Nxc6 bxc6 12. Nd2 e5 13. c4 d4 14. c5 Be6 15. Rc1 Nd7 16. Re1 f5 17. e3 dxe3 18. Rxe3 Rad8 19. Qc2 e4 20. Bxg7 Kxg7 21. Bf1 Qe5 22. b4 Nf6 23. Bc4 Nd5 24. Bxd5 cxd5 25. c6 d4 26. Ree1 Re7 27. Nxe4 fxe4 28. Rxe4 Qd6 29. Rce1 Rde8 30. Qe2 d3 31. Qb2+ Kf7 32. Rf4+ Kg8 33. b5 Bf7 34. Rxe7 Qxe7 35. h4 Bd5 36. Kh2 Qe1 37. f3 Re2+ 38. Kh3 Rxb2 39. c7 Rc2 0-1

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "6"]
[White "Tapia Ostolaza, Alexei"]
[Black "Ollier, Pablo"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2274"]
[BlackElo "2382"]
[PlyCount "47"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. b3 Nbd7 7. Bb2 h6 8. d3 Bh7 9. Nc3 Be7 10. Re1 0-0 11. Rc1 a5 12. cxd5 exd5 13. e4 dxe4 14. dxe4 Bb4 15. e5 Bxc3 16. Bxc3 Nd5 17. Nd4 Nxc3 18. Rxc3 Re8 19. e6 fxe6 20. Nxe6 Qf6 21. Rce3 Nf8 22. Bh3 Bf5 23. Bxf5 Qxf5 24. Nxg7 1-0

[Event "Titled Tuesday intern op 6th Aug"]
[Site "Chess.com INT"]
[Date "2019.08.06"]
[Round "1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Patrascu, Catalin Lucian"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2274"]
[BlackElo "2321"]
[PlyCount "90"]
[EventDate "2019.08.06"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. c4 Be7 5. 0-0 0-0 6. d4 c6 7. b3 b6 8. Bb2 Bb7 9. Nbd2 Nbd7 10. Rc1 Rc8 11. Re1 c5 12. cxd5 Nxd5 13. Nc4 b5 14. Nce5 Nxe5 15. Nxe5 cxd4 16. Rxc8 Qxc8 17. Qxd4 Bc5 18. Qg4 Nf6 19. Qh4 Bxg2 20. Kxg2 Qb7+ 21. e4 Be7 22. Ng4 Nxe4 23. Nh6+ gxh6 24. Qxe4 Qxe4+ 25. Rxe4 Rc8 26. Rg4+ Kf8 27. Bg7+ Ke8 28. Bxh6 Rc2 29. a4 b4 30. Rg8+ Kd7 31. Be3 a5 32. Ra8 Bd8 33. Ra7+ Ke8 34. Ra8 Kd7 35. Ra7+ Kc6 36. Rxf7 Rc3 37. Rf8 Bc7 38. Rc8 Kb7 39. Rh8 Rxb3 40. Rxh7 Kc6 41. h4 Rd3 42. h5 b3 43. h6 b2 44. Rxc7+ Kxc7 45. h7 Rd8 0-1

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "9"]
[White "Crispin Ferreras, Darvi Abraham"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2165"]
[BlackElo "2259"]
[PlyCount "119"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 Be7 9. a3 0-0 10. f4 d6 11. Qd2 b5 12. Bf3 Bb7 13. g4 Nxd4 14. Bxd4 e5 15. Be3 Rfd8 16. g5 Nd7 17. f5 Bf8 18. g6 hxg6 19. fxg6 fxg6 20. Qg2 Nf6 21. Qxg6 Qf7 22. Qg5 Be7 23. Qg3 Rf8 24. Rad1 Nh5 25. Qh3 Nf4 26. Bxf4 exf4 27. Bh5 g6 28. Bg4 Kg7 29. Be6 Qf6 30. Qg4 Rad8 31. Nd5 Bxd5 32. Rxd5 Qh4 33. Qxh4 Bxh4 34. Kg2 Be7 35. Kf3 g5 36. Bf5 Kf6 37. Rg1 Rh8 38. Rg2 Rh4 39. Rd3 Rdh8 40. h3 Ke5 41. Rd5+ Kf6 42. b3 Bf8 43. Rgd2 Be7 44. c4 Rxh3+ 45. Bxh3 Rxh3+ 46. Kf2 Rxb3 47. cxb5 axb5 48. R2d3 Rb2+ 49. Kf3 Rb1 50. Rc3 Rf1+ 51. Kg2 Ra1 52. Rb3 g4 53. Rf5+ Kg6 54. Rxf4 Kg5 55. Rf5+ Kh4 56. Rfxb5 Re1 57. R5b4 Re2+ 58. Kf1 Rh2 59. Rb7 Bg5 60. Rh7+ 1-0

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "4"]
[White "Kholin, Aleksandr1111"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2405"]
[BlackElo "2259"]
[PlyCount "85"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c6 3. Bg2 d5 4. b3 g6 5. Bb2 Bg7 6. 0-0 0-0 7. c4 Na6 8. e3 Nc7 9. d3 Bf5 10. Nc3 Qc8 11. Re1 Bh3 12. Bh1 Ne6 13. Rc1 Bg4 14. cxd5 Ng5 15. Qe2 Qf5 16. Nd4 Nh3+ 17. Kg2 Qg5 18. f3 Bd7 19. f4 Qh5 20. Qxh5 Nxh5 21. dxc6 bxc6 22. Kf1 e5 23. Nxc6 exf4 24. Ne7+ Kh8 25. Bxa8 Rxa8 26. exf4 Nf6 27. Ncd5 Ng4 28. Bxg7+ Kxg7 29. Re2 g5 30. fxg5 Nxg5 31. h4 Nf3 32. Kg2 Nd4 33. Re4 Nb5 34. Rf1 Nd6 35. Ref4 Be6 36. Nc7 Ne3+ 37. Kf2 Nxf1 38. Nxa8 Nd2 39. Nc7 Nb1 40. Nxe6+ fxe6 41. Ra4 Nb5 42. Ra5 N1c3 43. Nc6 1-0

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "6"]
[White "Mendoza, Beverly"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1945"]
[BlackElo "2259"]
[PlyCount "71"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Be7 5. e3 0-0 6. Bd3 b6 7. h3 Bb7 8. Nbd2 d6 9. 0-0 Nbd7 10. Nc4 Qc7 11. a4 a6 12. Qe2 b5 13. axb5 axb5 14. Na3 c4 15. Nxb5 cxd3 16. Qxd3 Qb6 17. c4 Bxf3 18. gxf3 e5 19. Bg5 Qc6 20. Kg2 h6 21. Bh4 e4 22. fxe4 g5 23. d5 Qb6 24. Bg3 Nc5 25. Qd4 Qb7 26. Nxd6 Bxd6 27. Bxd6 Ncxe4 28. Bxf8 Rxf8 29. Ra7 Qb3 30. f3 Qc2+ 31. Kg1 Ng3 32. Qxf6 Ne2+ 33. Kh1 Ng3+ 34. Kg1 Ne2+ 35. Kh1 Ng3+ 36. Kg1 1/2-1/2

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "7"]
[White "Tapia Ostolaza, Alexei"]
[Black "Costa, Paulo Cesar"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2259"]
[BlackElo "1974"]
[PlyCount "69"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 c6 5. c4 e6 6. d3 Be7 7. Qc2 0-0 8. Re1 Nbd7 9. cxd5 exd5 10. Nc3 Re8 11. e4 dxe4 12. dxe4 Bg6 13. Nh4 Bb4 14. Nxg6 hxg6 15. Bg5 Qa5 16. Bd2 Rad8 17. a3 Bf8 18. Bf4 Nh5 19. Be3 Nhf6 20. Rad1 Ne5 21. Rxd8 Qxd8 22. Rd1 Qa5 23. Ne2 Rd8 24. Rxd8 Qxd8 25. Bd4 Ned7 26. Bxa7 Qa5 27. Be3 Qe1+ 28. Bf1 Ng4 29. Qd2 Qb1 30. Qxd7 Nxe3 31. fxe3 Bc5 32. Qd2 Bxe3+ 33. Qxe3 Qxb2 34. Qd4 Qb1 35. e5 1-0

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Hjartarson, Johann"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2259"]
[BlackElo "2513"]
[PlyCount "105"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. c4 e6 6. Nc3 Nge7 7. e3 d5 8. cxd5 exd5 9. d4 cxd4 10. Nxd4 0-0 11. a3 Nxd4 12. exd4 Be6 13. b4 Qd7 14. Re1 Rac8 15. Ne2 Nf5 16. Bb2 Nd6 17. Qb3 Nc4 18. Bc1 Rfe8 19. Be3 Bf5 20. Nf4 Be4 21. Bf1 Bc2 22. Qxc2 Nxe3 23. Qd3 Nxf1 24. Rxf1 Re4 25. Rac1 Rxd4 26. Rxc8+ Qxc8 27. Qb5 a6 28. Qb6 Be5 29. Ng2 Rd2 30. Qe3 Qc3 31. Qg5 Bf6 32. Qf4 Kg7 33. Ne3 h5 34. g4 hxg4 35. Nxg4 Qd4 36. Qh6+ Kg8 37. Nxf6+ Qxf6 38. Qxd2 Qf3 39. Qe3 Qg4+ 40. Qg3 Qd7 41. Re1 d4 42. Qe5 Qg4+ 43. Kf1 Qh3+ 44. Ke2 Qc3 45. Rd1 Qc2+ 46. Rd2 Qc4+ 47. Kf3 Qc3+ 48. Ke2 Qc4+ 49. Kd1 Qb3+ 50. Ke1 Qc3 51. Qxd4 Qxa3 52. Rc2 Kh7 53. Rc8 1-0

[Event "Titled Tuesday intern op 2nd July"]
[Site "Chess.com INT"]
[Date "2019.07.02"]
[Round "10"]
[White "Tapia Ostolaza, Alexei"]
[Black "Pasti, Aron"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2259"]
[BlackElo "2209"]
[PlyCount "77"]
[EventDate "2019.07.02"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. 0-0 c5 7. d4 cxd4 8. Nxd4 Nc6 9. Nd2 e5 10. Nxc6 bxc6 11. Bxe5 Re8 12. Bd4 Bf5 13. e3 Rc8 14. c4 c5 15. Bb2 Ne4 16. Bxg7 Kxg7 17. cxd5 Nc3 18. Qe1 Bd3 19. Nc4 Nb5 20. e4 Bxf1 21. Qxf1 Nd4 22. e5 f6 23. f4 fxe5 24. fxe5 Qg5 25. Qd3 Rxe5 26. Nxe5 Qxe5 27. Rf1 Re8 28. Qc4 Qe3+ 29. Kh1 Ne2 30. d6 Rf8 31. Rd1 Rf5 32. d7 Rh5 33. Qxe2 Qxe2 34. d8Q Re5 35. Rf1 Rf5 36. Rxf5 gxf5 37. Qg5+ Kh8 38. Qf6+ Kg8 39. Bd5+ 1-0

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "9"]
[White "Costa, Paulo Cesar"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "1974"]
[BlackElo "2260"]
[PlyCount "55"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. 0-0 Re8 9. Rc1 a6 10. Qc2 b5 11. b3 Nf8 12. Rfd1 Bb7 13. h3 Ng6 14. Ne5 Rc8 15. Nxg6 hxg6 16. Qe2 Nd7 17. Bxe7 Qxe7 18. f4 Nf6 19. c5 Kh7 20. b4 Rh8 21. a4 Ra8 22. Ra1 Rhb8 23. Rd2 Bc8 24. Rda2 Qb7 25. a5 Qc7 26. Rf1 Nh5 27. Qxh5+ Kg8 28. Qf3 1-0

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "1"]
[White "Golubovskis, Maksims"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2007"]
[BlackElo "2260"]
[PlyCount "100"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Qc7 7. Bg2 b5 8. 0-0 Bb7 9. Re1 h5 10. Nd5 Qd8 11. Nxc6 dxc6 12. Nc3 h4 13. Be3 hxg3 14. hxg3 Nf6 15. Qe2 e5 16. Rad1 Qc7 17. Bg5 Be7 18. Qf3 Bc8 19. Rd2 Bg4 20. Qe3 Qc8 21. Bxf6 Bxf6 22. Qb6 Be7 23. Nd1 Rb8 24. Qa7 Ra8 25. Qb6 0-0 26. Qe3 a5 27. f3 Be6 28. Nf2 Bxa2 29. b3 a4 30. bxa4 Rxa4 31. Ng4 f6 32. Kh2 Be6 33. Nf2 Rc4 34. Qe2 Bb4 35. Red1 Bxd2 36. Rxd2 Rd8 37. Nd3 Rc3 38. Rd1 Bc4 39. Ra1 Bxd3 40. cxd3 Rcxd3 41. Ra7 Rd2 42. Qe3 c5 43. Qb3+ c4 44. Qxb5 R8d7 45. Rxd7 Qxd7 46. Qxc4+ Kh7 47. Qf1 Qd3 48. Qh1 Kg6 49. Qg1 Qxf3 50. Kh3 Qh5# 0-1

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "3"]
[White "Hilwerda, Jonas"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2317"]
[BlackElo "2260"]
[PlyCount "69"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 Nge7 7. d3 0-0 8. Be3 b6 9. Rb1 d5 10. exd5 Nxd5 11. Nxd5 exd5 12. c3 d4 13. cxd4 cxd4 14. Nxd4 Nxd4 15. Bxa8 Bh3 16. Bg2 Bxg2 17. Kxg2 Qd5+ 18. f3 Nf5 19. Bf2 Bd4 20. Qe2 Qxa2 21. Ra1 Qb3 22. Rxa7 Rc8 23. g4 Ne3+ 24. Bxe3 Re8 25. Qd1 Qxd1 26. Rxd1 Rxe3 27. Rd2 Re1 28. Rd7 Be3 29. Rc2 Rd1 30. Rc8+ Kg7 31. Rcc7 Kh6 32. Rxf7 Kg5 33. Rxh7 Rg1+ 34. Kh3 Bf4 35. Rc2 1-0

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "2"]
[White "Tapia Ostolaza, Alexei"]
[Black "Hollan, Petr"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2260"]
[BlackElo "2261"]
[PlyCount "55"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 Nc6 7. 0-0 e5 8. dxe5 Ng4 9. c4 Ngxe5 10. Nxe5 Nxe5 11. Nc3 Rb8 12. Qc2 a6 13. Rad1 Qe8 14. Nd5 Qd8 15. f4 Nd7 16. Bxg7 Kxg7 17. Qc3+ f6 18. e4 c6 19. Ne3 Qe7 20. Qd4 Re8 21. Qxd6 Qxd6 22. Rxd6 Nc5 23. Rd4 Ne6 24. Rd2 Nc5 25. Rd4 Ne6 26. Rd2 Nc5 27. Rd4 Ne6 28. Rd2 1/2-1/2

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "10"]
[White "Tapia Ostolaza, Alexei"]
[Black "Simonovic, Miroslav"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2260"]
[BlackElo "2174"]
[PlyCount "123"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 e5 6. d3 Nge7 7. h4 h6 8. Bd2 0-0 9. Qc1 Kh7 10. h5 g5 11. Bxg5 hxg5 12. Nxg5+ Kh8 13. h6 Bf6 14. Nge4 Ng6 15. Nxc5 d6 16. N5e4 Be6 17. Nxf6 Qxf6 18. Ne4 Qe7 19. Bf3 f5 20. Ng5 f4 21. Nxe6 Qxe6 22. Bd5 Qd7 23. Qc3 fxg3 24. fxg3 Nce7 25. Bf3 Rac8 26. Qb4 d5 27. cxd5 Nxd5 28. Qe4 Nde7 29. Bg4 Qd4 30. Qxd4 exd4 31. Bxc8 Rxc8 32. Kd2 Kh7 33. g4 Nd5 34. g5 Ne3 35. Rac1 Rxc1 36. Rxc1 Nd5 37. Rc4 Ne5 38. Rxd4 Nb6 39. Re4 Nf7 40. Re7 Kg6 41. Rxb7 Nxg5 42. Rxa7 Nd5 43. e4 Nf6 44. Ke3 Ng4+ 45. Kf4 Nxh6 46. Ra6+ Kh5 47. Ra5 Nhf7 48. Rxg5+ Nxg5 49. a4 Kg6 50. a5 Kf6 51. a6 Ne6+ 52. Ke3 Nc7 53. a7 Ke6 54. d4 Kd6 55. e5+ Kc6 56. Ke4 Kb7 57. d5 Kxa7 58. d6 Ne6 59. Kd5 Nf8 60. e6 Kb7 61. e7 Nh7 62. Ke5 1-0

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Tashkov, Rumen"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2260"]
[BlackElo "2236"]
[PlyCount "148"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. b3 Bg7 4. Bb2 c5 5. g3 Nc6 6. c3 cxd4 7. cxd4 d5 8. Bg2 Nf6 9. 0-0 0-0 10. Ne5 Qb6 11. Nxc6 bxc6 12. Nc3 Bf5 13. Na4 Qc7 14. Rc1 Rfc8 15. e3 h5 16. h4 Qd6 17. Nc5 Nd7 18. Qd2 Nxc5 19. Rxc5 e5 20. Rfc1 e4 21. Qa5 Bd7 22. Ba3 Qf6 23. R5c2 Kh7 24. Bc5 g5 25. hxg5 Qxg5 26. Bd6 h4 27. gxh4 Qxh4 28. Bg3 Qh5 29. Kf1 Rg8 30. Ke1 Bh6 31. Kd2 f5 32. Rh1 Qg6 33. Qc7 Rad8 34. Qf4 Kg7 35. Qe5+ Kf7 36. Bf1 Bg7 37. Qf4 Rh8 38. Rxh8 Rxh8 39. Qc7 Qe6 40. b4 Kg6 41. Qxa7 Rh1 42. Bg2 Rg1 43. Bh3 Rh1 44. b5 Rxh3 45. bxc6 Bxc6 46. a4 Rh7 47. Qb6 Bd7 48. Qb4 Rh8 49. Rc7 Rc8 50. Rxc8 Bxc8 51. a5 Ba6 52. Qb6 Qxb6 53. axb6 Kf7 54. Kc3 Ke6 55. Kb4 Kd7 56. Kc5 Bb7 57. Kb5 Bf8 58. Bf4 Bd6 59. Bg5 Ba3 60. Bh4 Bc1 61. Bg3 Bd2 62. Kc5 Ke6 63. Bf4 Be1 64. Bg3 f4 65. Bxf4 Bxf2 66. Bh6 Kd7 67. Bf4 Ke6 68. Bh6 Bg3 69. Bg5 Bd6+ 70. Kb5 Kf5 71. Bh6 Kg4 72. Ka4 Kf3 73. Kb3 Ke2 74. Kc2 Bb4 0-1

[Event "Titled Tuesday intern op 7th May"]
[Site "Chess.com INT"]
[Date "2019.05.07"]
[Round "7"]
[White "Womacka, Mathias"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2449"]
[BlackElo "2260"]
[PlyCount "68"]
[EventDate "2019.05.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 Qc7 8. 0-0 b5 9. Nxc6 dxc6 10. f4 Bb7 11. e5 Nd5 12. Nxd5 cxd5 13. Bd4 Bc5 14. c3 Qb6 15. Bc2 Rc8 16. f5 g6 17. fxe6 Qxe6 18. Rf6 Qe7 19. Kh1 0-0 20. Qd2 Rc6 21. Raf1 Re6 22. h3 Bc6 23. Qf4 Bxd4 24. cxd4 a5 25. Bd3 Kg7 26. h4 Be8 27. h5 a4 28. a3 Kg8 29. hxg6 hxg6 30. Bxg6 Kg7 31. Qg5 fxg6 32. Qxg6+ Bxg6 33. Rxf8 Qxf8 34. Rxf8 Kxf8 0-1

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "8"]
[White "Eynullayev, Altay Elshan"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2237"]
[BlackElo "2262"]
[PlyCount "153"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Nf3 b6 5. Bg2 Bb7 6. 0-0 0-0 7. Re1 d5 8. Ne5 Nbd7 9. Nc3 c5 10. cxd5 exd5 11. Bf4 cxd4 12. Nb5 Bc5 13. a3 Nxe5 14. Bxe5 Qe8 15. Bxf6 Qxb5 16. Bxd4 Rfe8 17. e3 Rad8 18. Rc1 Bf8 19. Qd2 Rc8 20. Bh3 Rcd8 21. Rc7 Bc8 22. Bg2 Re7 23. Rec1 Be6 24. Rxe7 Bxe7 25. Rc7 Rd7 26. Rc1 h6 27. Qc3 Bf8 28. Bf1 Qa4 29. Bd3 Rd8 30. Qd2 Rc8 31. Rxc8 Bxc8 32. Qc1 Be6 33. Bb1 Qc4 34. Qd1 Bh3 35. Bd3 Qc8 36. Bf1 Be6 37. Bg2 Qc6 38. Bf3 Bc5 39. Kg2 Qd7 40. Qd3 Bh3+ 41. Kg1 Bf5 42. Qc3 Bf8 43. Be5 Bh3 44. Bg2 Bg4 45. Qd2 Be6 46. Kf1 Qb5+ 47. Ke1 Qc5 48. Qc3 Qb5 49. Bf1 Qd7 50. Qc7 Qa4 51. Qc3 Qd7 52. Be2 f6 53. Bd4 Bf5 54. Bf1 Be4 55. Qb3 Qf5 56. Qb5 Kh7 57. Qe8 Bc5 58. Bxc5 bxc5 59. Qb5 d4 60. exd4 cxd4 61. Qxf5+ Bxf5 62. Kd2 Kg6 63. b4 Kf7 64. Bd3 Ke6 65. Bxf5+ Kxf5 66. Kd3 Ke5 67. a4 Kd5 68. b5 Kc5 69. f3 f5 70. f4 g5 71. h3 gxf4 72. gxf4 Kd5 73. a5 Kc5 74. b6 axb6 75. axb6 Kxb6 76. Kxd4 Kc6 77. Ke5 1-0

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "10"]
[White "Tapia Ostolaza, Alexei"]
[Black "Chen, Michael"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2262"]
[BlackElo "2147"]
[PlyCount "80"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 c6 4. 0-0 d5 5. b3 b5 6. Bb2 a5 7. d3 Be7 8. Nbd2 0-0 9. c4 Ba6 10. Qc2 Nbd7 11. Rac1 Rc8 12. Qb1 Qb6 13. Qa1 a4 14. Ne5 Nxe5 15. Bxe5 Bb7 16. bxa4 bxa4 17. Rb1 Qa7 18. Qb2 Ba8 19. Rfc1 c5 20. cxd5 exd5 21. Nf3 Rfe8 22. h4 d4 23. Qd2 Nd5 24. h5 Bf8 25. h6 Nc3 26. Rxc3 dxc3 27. Qxc3 f6 28. hxg7 Bxg7 29. Bxf6 Rxe2 30. Bxg7 Qxg7 31. Qc4+ Kh8 32. Qxa4 Rf8 33. Qd1 Qe7 34. d4 Bxf3 35. Bxf3 Rxf3 36. dxc5 Rfxf2 37. Qd4+ Qf6 38. Rb8+ Kg7 39. Rb7+ Kh6 40. Rb6 Rf1# 0-1

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Christensen, Janus"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2262"]
[BlackElo "2099"]
[PlyCount "73"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. 0-0 e6 5. c4 d5 6. cxd5 exd5 7. d4 c4 8. Nc3 Bb4 9. Ne5 0-0 10. Bg5 Be6 11. Nxc6 bxc6 12. Qa4 Bxc3 13. bxc3 Qd7 14. Bxf6 gxf6 15. e4 dxe4 16. Bxe4 Bd5 17. Rfe1 Rfe8 18. Qc2 h6 19. Bf5 Qd6 20. Qd2 Kg7 21. h4 c5 22. dxc5 Qxc5 23. Qf4 Bc6 24. Qg4+ Kh8 25. Qh5 Kg7 26. Qg4+ Kh8 27. Qf4 Kg7 28. Be4 Bxe4 29. Rxe4 Rxe4 30. Qxe4 Rd8 31. Re1 Rd2 32. Qg4+ Kh7 33. Qf4 Rxa2 34. Qxf6 Qd5 35. Kh2 Rd2 36. Re7 Rd1 37. Rxf7+ 1-0

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "9"]
[White "Tapia Ostolaza, Alexei"]
[Black "Palkovich, Denis"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2262"]
[BlackElo "2190"]
[PlyCount "120"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. b3 Nf6 5. Bb2 Be7 6. c4 c6 7. d3 h6 8. Nbd2 0-0 9. 0-0 Nbd7 10. Qe1 Bh7 11. d4 Ne4 12. Nxe4 Bxe4 13. Qc3 a5 14. a3 f5 15. Bh3 g5 16. Nd2 g4 17. Bxg4 fxg4 18. Nxe4 dxe4 19. Qe3 Bg5 20. Qxe4 Qf6 21. Qxg4 Qf5 22. Qh5 Nf6 23. Qf3 Qxf3 24. exf3 Nd7 25. Kg2 Bf6 26. Rab1 c5 27. dxc5 Bxb2 28. Rxb2 Nxc5 29. b4 axb4 30. axb4 Nd3 31. Rb3 Ne5 32. Re1 Nxc4 33. Rxe6 Kg7 34. Rc3 b5 35. Rd3 Rad8 36. Re7+ Kf6 37. Red7 Rxd7 38. Rxd7 Rb8 39. f4 Ke6 40. Rh7 Kd5 41. Rxh6 Nb2 42. g4 Nd3 43. Kf3 Nxb4 44. g5 Nc6 45. g6 Nd4+ 46. Kg4 b4 47. g7 Rg8 48. Rb6 Rxg7+ 49. Kh5 Kc5 50. Rb8 Rf7 51. Kg5 Ne6+ 52. Kg6 Rxf4 53. f3 Rxf3 54. h4 b3 55. h5 Nf4+ 56. Kg5 Nxh5 57. Kxh5 Kc4 58. Kg4 Rf7 59. Rc8+ Kd3 60. Rb8 Kc2 0-1

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "3"]
[White "Tapia Ostolaza, Alexei"]
[Black "Peter, Steven"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2262"]
[BlackElo "2043"]
[PlyCount "114"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 e6 5. d4 Nc6 6. c4 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 a6 10. Nxc4 Ke7 11. a3 Rd8 12. Bg5 Bd7 13. b4 Ba7 14. Nfe5 Be8 15. Nxc6+ Bxc6 16. Bxc6 bxc6 17. Ne5 Rd6 18. Rxd6 Kxd6 19. Nxf7+ Kc7 20. Bf4+ Kb6 21. Rc1 Nd5 22. Be5 g6 23. Nd6 Bb8 24. Nc4+ Kb5 25. e4 Bxe5 26. Nxe5 Ne7 27. Rc5+ Ka4 28. Nxc6 Nxc6 29. Rxc6 Kxa3 30. Rxe6 Kxb4 31. Rb6+ Kc5 32. Rb1 a5 33. Kf1 a4 34. Ke2 Kd4 35. f3 Kc3 36. Kd1 a3 37. Kc1 a2 38. Ra1 Kb3 39. e5 Rc8+ 40. Kd2 Rc2+ 41. Ke3 Kb2 42. Rxa2+ Kxa2 43. e6 Rc6 44. Kf4 Rxe6 45. Kg5 Re2 46. h4 Kb3 47. Kh6 Re7 48. g4 Kc4 49. Kg5 Kd5 50. Kf6 Ra7 51. f4 Ke4 52. f5 gxf5 53. gxf5 Kf4 54. h5 Ra5 55. h6 Rxf5+ 56. Kg7 Kg5 57. Kxh7 Rf6 0-1

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "6"]
[White "Tapia Ostolaza, Alexei"]
[Black "Sucikova, Svetlana"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2262"]
[BlackElo "2110"]
[PlyCount "61"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. 0-0 Nf6 5. b3 Nbd7 6. Bb2 e6 7. Nh4 Bg6 8. c4 Be7 9. d4 0-0 10. Nd2 a5 11. a3 a4 12. b4 dxc4 13. Nxg6 hxg6 14. Nxc4 Nd5 15. e4 N5f6 16. Qc2 Nb6 17. Rad1 Nxc4 18. Qxc4 Qb6 19. h4 Rfd8 20. Bf3 Rd7 21. Kg2 Rad8 22. Rh1 Ne8 23. h5 g5 24. h6 Nd6 25. Qc2 Nb5 26. hxg7 Nxd4 27. Bxd4 Rxd4 28. e5 f5 29. exf6 Bxf6 30. Qh7+ Kf7 31. g8Q# 1-0

[Event "Titled Tuesday intern op 5th March"]
[Site "Chess.com INT"]
[Date "2019.03.05"]
[Round "5"]
[White "Wieczorek, Zbigniew"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2258"]
[BlackElo "2262"]
[PlyCount "93"]
[EventDate "2019.03.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d6 8. Nbd2 0-0 9. h4 h5 10. Nf1 Nd4 11. N3h2 b5 12. g4 hxg4 13. Nxg4 e5 14. Nfh2 Kh7 15. h5 gxh5 16. Ne3 Kg6 17. c3 Ne6 18. Nf5 Nf4 19. Nh4+ Kh6 20. Bf3 Neg6 21. Ng2 Qg5 22. Kh1 Bh3 23. Rg1 Bxg2+ 24. Rxg2 Qh4 25. Rg3 Bf6 26. Be3 Bg5 27. Qd2 f6 28. Rag1 Rg8 29. Bd1 Ne7 30. d4 cxd4 31. cxd4 Nh3 32. R1g2 Bf4 33. Bf3 Kh7 34. dxe5 dxe5 35. Qd7 f5 36. Rxh3 Qxh3 37. Qxe7+ Kh6 38. Bxf4+ exf4 39. Qf6+ Kh7 40. Qf7+ Kh8 41. Qf6+ Kh7 42. exf5 Raf8 43. Qe7+ Kh8 44. Qe5+ Kh7 45. f6 Rxg2 46. Bxg2 Qd3 47. Be4+ 1-0

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.10.05"]
[Round "11.4"]
[White "Tapia Ostolaza, Alexei"]
[Black "Hossain, Enamul"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2193"]
[BlackElo "2452"]
[PlyCount "109"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Bangladesh"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "BAN"]

1. Nf3 c5 2. c4 g6 3. b3 Bg7 4. Nc3 Nc6 5. Bb2 d6 6. e3 e5 7. d3 Nge7 8. Be2 0-0 9. 0-0 h6 10. Qd2 f5 11. Nd5 Nxd5 12. cxd5 Ne7 13. e4 g5 14. b4 b6 15. Ne1 Qe8 16. a4 a5 17. bxc5 bxc5 18. Bc3 Qg6 19. f3 h5 20. Nc2 g4 21. Rfb1 Bh6 22. Qe1 fxe4 23. fxe4 Qf6 24. Bd2 Bxd2 25. Qxd2 Ng6 26. Rf1 Nf4 27. g3 Nh3+ 28. Kg2 Qg7 29. Rxf8+ Qxf8 30. Rf1 Qg7 31. Ne3 Bd7 32. Nc4 Rf8 33. Bd1 Rxf1 34. Kxf1 Qf6+ 35. Ke1 h4 36. Nxa5 hxg3 37. hxg3 Ng5 38. Qf2 Qh6 39. Nc4 Qh1+ 40. Qf1 Qh2 41. Qf2 Qh1+ 42. Kd2 Nf3+ 43. Bxf3 gxf3 44. a5 Bb5 45. Ke3 Bxc4 46. dxc4 Qc1+ 47. Qd2 Qxc4 48. Kxf3 Kf7 49. Ke3 Qa4 50. Qf2+ Kg7 51. Qf5 Qa3+ 52. Kf2 c4 53. Qd7+ Kg6 54. Qe6+ Kg7 55. Qe7+ 1/2-1/2

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.10.02"]
[Round "8.4"]
[White "Palencia Morales, Wilson Guillermo"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2345"]
[BlackElo "2193"]
[PlyCount "139"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Panama"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 cxd4 5. exd4 Be7 6. Bd3 b6 7. 0-0 Bb7 8. Re1 0-0 9. Nc3 d6 10. Qe2 Nbd7 11. Ng5 Re8 12. Nxf7 Kxf7 13. Qxe6+ Kf8 14. Re3 Bc8 15. Qb3 Bb7 16. Rae1 Nb8 17. Nb5 Nc6 18. Qa3 d5 19. Rxe7 Nxe7 20. Nd6 Bc6 21. Nxe8 Nxe8 22. Bxh7 Qd7 23. h3 Rd8 24. g4 Nd6 25. Qf3 Nf7 26. Bd2 a5 27. Qa3 Qd6 28. Qf3 Qf6 29. Qxf6 gxf6 30. Bd3 Nd6 31. Bf4 Kf7 32. f3 Nc4 33. b3 Nd6 34. a4 Nec8 35. Bd2 Re8 36. Ra1 Bd7 37. Kf2 Ne7 38. Bf4 Ndc8 39. Bc7 Ng6 40. Rh1 Nh4 41. Kg3 Ng6 42. h4 Rg8 43. Kf2 Nf8 44. Bf4 Ne6 45. Be3 Nd6 46. Ra1 Rc8 47. f4 f5 48. g5 Rh8 49. Rh1 Ng7 50. Bc1 Ne4+ 51. Kf3 Nh5 52. Rh2 Bc6 53. Bd2 Kg6 54. Be1 Re8 55. Bd2 Rc8 56. Bc1 Re8 57. Bb2 Rc8 58. Rg2 Re8 59. Bc1 Rc8 60. Be3 Re8 61. Rg1 Rh8 62. Rg2 Re8 63. Rh2 Rc8 64. Rh3 Re8 65. Rh2 Rc8 66. Ba6 Ra8 67. Bd3 Rc8 68. Ba6 Ra8 69. Bd3 Rc8 70. Ba6 1/2-1/2

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.10.01"]
[Round "7.59"]
[White "Tapia Ostolaza, Alexei"]
[Black "Gong, Daniel Hanwen"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2193"]
[BlackElo "2276"]
[PlyCount "67"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "New Zealand"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "NZL"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d4 e6 5. 0-0 c5 6. c4 Ngf6 7. cxd5 Nxd5 8. e4 N5b6 9. Nc3 Be7 10. d5 Ne5 11. Bf4 Ng6 12. Be3 0-0 13. h3 Bxf3 14. Qxf3 Nc4 15. Qe2 Nxe3 16. Qxe3 e5 17. f4 c4 18. f5 Nh8 19. Rad1 Qc7 20. Kh1 Qc5 21. Qe2 f6 22. d6 Bxd6 23. Rd5 Qc6 24. Rfd1 Nf7 25. Bf1 Rac8 26. Qd2 Bc7 27. Nb5 a6 28. Na7 Qa4 29. Nxc8 Rxc8 30. Rd7 Qc6 31. Qd5 Qxd5 32. R1xd5 b6 33. Bxc4 Bd6 34. Bb3 1-0

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.09.28"]
[Round "5.58"]
[White "Rodi, Luis Ernesto"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2308"]
[BlackElo "2193"]
[PlyCount "81"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Panama"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "PAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Qf3 Qc7 8. 0-0-0 b5 9. Nxc6 dxc6 10. Qg3 Qxg3 11. hxg3 e5 12. f3 Be6 13. g4 Bb4 14. a3 Be7 15. g3 Nd7 16. Rd2 f6 17. Kb1 Rb8 18. Rdh2 h6 19. Be2 a5 20. Nd1 a4 21. Bc1 b4 22. axb4 Bxb4 23. Ne3 Nc5 24. Bc4 Kf7 25. Rd1 Rhd8 26. Rhh1 Rd4 27. Bxe6+ Nxe6 28. Nf5 Rdd8 29. Ka2 Bc5 30. c3 Ng5 31. Bxg5 hxg5 32. Kb1 a3 33. b4 Bf8 34. Rxd8 Rxd8 35. Kc2 c5 36. b5 c4 37. Ne3 Rd3 38. Nxc4 Rxf3 39. b6 Bc5 40. b7 Ba7 41. Nxa3 1-0

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.09.27"]
[Round "4.52"]
[White "Moldovanovic, Dragan"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2051"]
[BlackElo "2193"]
[PlyCount "48"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "ICCD"]
[BlackTeam "Panama"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. b3 c5 9. cxd5 cxd4 10. Nxd4 Nxd5 11. Bb2 Nd7 12. Rc1 Nc5 13. Bb1 Rc8 14. Nxd5 Qxd5 15. Qg4 Qg5 16. Qh3 Qh4 17. Qxh4 Bxh4 18. Nf3 Be7 19. Rfd1 Rfd8 20. Rd4 Bd5 21. Rdd1 Bb7 22. Rd4 Bd5 23. Rdd1 Bb7 24. Rd4 Bd5 1/2-1/2

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.09.26"]
[Round "3.27"]
[White "Tapia Ostolaza, Alexei"]
[Black "Nikolovski, Nikola"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2193"]
[BlackElo "2388"]
[PlyCount "54"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Macedonia"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "MKD"]

1. Nf3 f5 2. b3 Nf6 3. Bb2 e6 4. g3 Be7 5. Bg2 0-0 6. c4 d6 7. d4 Qe8 8. Nbd2 Nc6 9. 0-0 Qh5 10. e3 Qh6 11. Qe2 g5 12. e4 g4 13. Ne1 f4 14. gxf4 Nh5 15. Nd3 Nxf4 16. Qxg4+ Kh8 17. Nxf4 e5 18. Qe2 Qxf4 19. dxe5 dxe5 20. Qe3 Bg5 21. Qxf4 Bxf4 22. Nb1 Rf6 23. Bc1 Be6 24. Nc3 Rg8 25. Bxf4 exf4 26. Nd5 Bxd5 27. cxd5 f3 0-1

[Event "Olympiad-43"]
[Site "Batumi"]
[Date "2018.09.25"]
[Round "2.4"]
[White "Cabuso, Rustam"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1730"]
[BlackElo "2193"]
[PlyCount "80"]
[EventDate "2018.09.24"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GEO"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "Palau"]
[BlackTeam "Panama"]
[WhiteTeamCountry "PAL"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bd2 0-0 6. e3 c5 7. cxd5 exd5 8. Be2 Nc6 9. Bb5 Bg4 10. h3 Bxf3 11. Qxf3 cxd4 12. Bxc6 dxc3 13. Bxc3 bxc6 14. 0-0 Ne4 15. Rfc1 Rb8 16. Qg4 Nxc3 17. bxc3 Rb2 18. Qa4 Qb6 19. Qf4 Rd8 20. g3 h6 21. Qe5 Bd6 22. Qd4 c5 23. Qd3 c4 24. Qd4 Bc5 25. Qf4 Re8 26. Re1 Re6 27. g4 Rf6 28. Qg3 Rfxf2 29. Qxf2 Rxf2 30. Kxf2 Bxe3+ 31. Kf3 Bd2 32. Re8+ Kh7 33. Rf1 Qc6 34. Re5 d4+ 35. Re4 dxc3 36. h4 c2 37. g5 c1Q 38. Rxc1 Bxc1 39. g6+ Kxg6 40. h5+ Kf5 0-1

[Event "San Jose subzonal 2.3c"]
[Site "San Jose"]
[Date "2018.03.25"]
[Round "2"]
[White "Tapia Ostolaza, Alexei"]
[Black "Aguilar Lopez, Aldo"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2208"]
[BlackElo "1892"]
[PlyCount "65"]
[EventDate "2018.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d4 e6 6. c4 Be7 7. cxd5 exd5 8. Nc3 0-0 9. Bg5 c4 10. Ne5 Be6 11. b3 h6 12. Bxf6 Bxf6 13. Nxc6 bxc6 14. bxc4 dxc4 15. e3 Rc8 16. Ne4 Be7 17. Qa4 Qc7 18. Rfd1 Rfd8 19. Nc3 c5 20. d5 Bg4 21. Rdc1 Bf6 22. Qxc4 Bh5 23. Rab1 Qa5 24. Ne4 Be7 25. Rb7 Bf8 26. Nc3 Bg6 27. e4 Kh8 28. Nb5 a6 29. Na7 Qd2 30. Nxc8 Rxc8 31. Qc3 Qxa2 32. Ra1 Qe2 33. Bf3 1-0

[Event "San Jose subzonal 2.3c"]
[Site "San Jose"]
[Date "2018.03.25"]
[Round "1"]
[White "Villagra Arce, Henry"]
[Black "Tapia Ostolaza, Alexei"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1750"]
[BlackElo "2208"]
[PlyCount "80"]
[EventDate "2018.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nd2 cxd4 6. exd4 Bb7 7. Ngf3 Be7 8. h3 d6 9. Bd3 Nbd7 10. 0-0 0-0 11. Re1 Re8 12. a4 a6 13. Qe2 Nf8 14. Rad1 Ng6 15. Bh2 Qc7 16. c4 Bc6 17. b3 Qb7 18. Ne4 Nxe4 19. Bxe4 d5 20. cxd5 Bxd5 21. Bxd5 Qxd5 22. Qc4 Qxc4 23. bxc4 Rac8 24. Rc1 Red8 25. Rc2 Rc6 26. Rb1 a5 27. Kf1 f6 28. Ke2 Bb4 29. Kd3 Ne7 30. g4 Kf7 31. Bf4 Rdc8 32. Rbc1 Ng6 33. Bg3 Rd8 34. Ke3 h5 35. gxh5 Ne7 36. h6 Nf5+ 37. Ke4 Nxh6 38. d5 Rc5 39. Rd1 exd5+ 40. Rxd5 Rdxd5 0-1

[Event "Olympiad-42"]
[Site "Baku"]
[Date "2016.09.13"]
[Round "11.1"]
[White "Tapia Ostolaza, Alexei"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2183"]
[BlackElo "2453"]
[PlyCount "126"]
[EventDate "2016.09.02"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AZE"]
[SourceTitle "CBM 175"]
[Source "ChessBase"]
[SourceDate "2016.11.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.11.10"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "URU"]

1. Nf3 d6 2. d4 g6 3. b3 Nf6 4. g3 Bg7 5. Bb2 0-0 6. Bg2 a5 7. a3 c6 8. 0-0 Bf5 9. c4 Qd7 10. Re1 Bh3 11. Nc3 Bxg2 12. Kxg2 b5 13. Qc2 Na6 14. e4 Rab8 15. e5 Nh5 16. exd6 exd6 17. cxb5 cxb5 18. Nd5 Qb7 19. Ne7+ Kh8 20. Qc6 a4 21. b4 Qxc6 22. Nxc6 Rb7 23. Rac1 Nf6 24. Nd2 Rc8 25. Na5 Rbc7 26. Nb7 Rxc1 27. Rxc1 Rxc1 28. Bxc1 Bf8 29. f3 Ne8 30. Ne4 f5 31. Nc3 Nac7 32. Bf4 Kg7 33. Nd8 Kf6 34. h4 h6 35. d5 Bg7 36. Be3 Ke7 37. Nc6+ Kd7 38. Nd4 Nf6 39. Ndxb5 Nxb5 40. Nxb5 Nxd5 41. Bd4 Nc7 42. Bxg7 Nxb5 43. Bxh6 Nxa3 44. Bg7 Nc2 45. g4 d5 46. h5 gxh5 47. gxh5 a3 48. h6 d4 49. h7 a2 50. h8Q a1Q 51. Bh6 Qd1 52. Qh7+ Kc6 53. Qxf5 Nxb4 54. Bf8 Qe2+ 55. Kg3 Qe1+ 56. Kg2 Nd5 57. Qc2+ Nc3 58. Bg7 Qe3 59. Qf2 Qg5+ 60. Qg3 Qd5 61. Qe5 Qxe5 62. Bxe5 Kd5 63. Bxd4 Kxd4 1/2-1/2

