[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.31"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Sethuraman, Sandeep"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2411"]
[BlackElo "2381"]
[PlyCount "104"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. d4 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Bd2 Be7 9. Nxg6 hxg6 10. Qc2 a6 11. 0-0-0 Nbd7 12. Kb1 dxc4 13. Bxc4 c5 14. g4 b5 15. Bxe6 fxe6 16. g5 Nd5 17. Qxg6+ Kf8 18. Qxe6 Nc7 19. Qf5+ Kg8 20. Ne4 Nf8 21. Ba5 Qd5 22. Qg4 Nce6 23. dxc5 Qc6 24. h4 Nxc5 25. Rc1 Qd5 26. Nf6+ Bxf6 27. gxf6 g6 28. h5 Ncd7 29. hxg6 Qd3+ 30. Ka1 Rxh1 31. Rxh1 Qxg6 32. Qd4 Nxf6 33. e4 Rc8 34. Rg1 Kf7 35. Bc3 Qh6 36. a3 N6d7 37. Qd5+ Ke8 38. Rd1 Qe6 39. Qh5+ Qf7 40. Qxf7+ Kxf7 41. Rd6 Nc5 42. Ka2 Nfe6 43. Bb4 Rc7 44. e5 Rd7 45. Bxc5 Rxd6 46. Bxd6 Nd4 47. f4 Ke6 48. Bc5 Nf5 49. Kb3 Kd5 50. Kb4 Kc6 51. Bf8 Ne3 52. e6 Kd5 1-0

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.31"]
[Round "9"]
[White "Zilka, Stepan"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2589"]
[BlackElo "2411"]
[PlyCount "53"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 Qc7 4. Nc3 dxe4 5. Nxe4 Nf6 6. Qe2 Nxe4 7. Qxe4 Nd7 8. Bf4 Qb6 9. 0-0-0 Nf6 10. Qe1 Bg4 11. Be2 e6 12. h3 Bxf3 13. Bxf3 a5 14. d4 a4 15. a3 Be7 16. h4 0-0 17. g4 Rfd8 18. g5 Nd5 19. Be5 Qa6 20. g6 hxg6 21. h5 gxh5 22. Rg1 g6 23. Qe4 f5 24. Rxg6+ Kf7 25. Bxh5 fxe4 26. Rh6+ Kf8 27. Rh8# 1-0

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.30"]
[Round "7"]
[White "Novik, Maxim"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2415"]
[BlackElo "2411"]
[PlyCount "35"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. Bxc4 h6 8. Be3 e6 9. Nf3 Bd6 10. 0-0 0-0 11. Qd2 Ne7 12. Rad1 Nf5 13. Rfe1 a6 14. Bf4 b5 15. Bb3 b4 16. Na4 Bb7 17. Ne5 Bc8 18. Nf3 1/2-1/2

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.30"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Lu, Maximillian"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2411"]
[BlackElo "2375"]
[PlyCount "132"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Nd2 Qc7 9. Nc4 Nbd7 10. a4 b6 11. Be2 0-0 12. 0-0 Rb8 13. Bg5 h6 14. Bxf6 Nxf6 15. Ne3 Bb7 16. Qd3 Rfc8 17. Rfd1 Qc5 18. Nf5 Bf8 19. Nxd6 Bxd6 20. Qxd6 Nxe4 21. Nxe4 Bxe4 22. Qxc5 Rxc5 23. c3 a5 24. Bb5 Bf5 25. Rd6 Kf8 26. Rad1 Ke7 27. Kf1 Be6 28. Ke2 Rb7 29. Ke3 f5 30. Rd8 Rc8 31. Rxc8 Bxc8 32. Rd5 Ke6 33. Bc4 Rc7 34. Rc5+ Kd6 35. Rd5+ Ke7 36. Bb5 Rc5 37. Rd2 Be6 38. g3 g5 39. f4 exf4+ 40. gxf4 Rc8 41. Rd4 g4 42. Bd3 h5 43. Kf2 h4 44. Bc2 Rc6 45. Rd2 Rc4 46. Ke3 Rc8 47. Kf2 Rc5 48. Re2 Kf6 49. Rd2 Ke7 50. Re2 Kf6 51. Rd2 Bd5 52. Re2 Rc4 53. Ke3 g3 54. hxg3 hxg3 55. Rd2 g2 56. Rd1 Bb7 57. Rd6+ Kg7 58. Rd1 Kg6 59. Rg1 Kf6 60. Rd1 Kg6 61. Rg1 Bc6 62. Rd1 Ba8 63. Rg1 Bb7 64. Rd1 Kf6 65. Rd6+ Kf7 66. Rd1 Kg6 1/2-1/2

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.29"]
[Round "5"]
[White "Huston, Gus"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2401"]
[BlackElo "2411"]
[PlyCount "113"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Nge2 Ne4 10. Bxe7 Qxe7 11. Bxe4 dxe4 12. Qc2 Bf5 13. a3 Nd7 14. 0-0 Bh7 15. b4 Rac8 16. Rfc1 Kh8 17. Qa4 a6 18. Qa5 f5 19. Na4 Nf6 20. Qc5 Qf7 21. Nb6 Rcd8 22. a4 Nd5 23. Nxd5 Rxd5 24. Qc4 Qd7 25. Rab1 Bg8 26. Qc2 Rd6 27. h3 b5 28. axb5 axb5 29. Ra1 Bc4 30. Ra6 Rdf6 31. Nf4 Qe8 32. Qd1 Bf7 33. d5 Bxd5 34. Nxd5 cxd5 35. Rxf6 Rxf6 36. Qxd5 Kh7 37. g3 Qh5 38. Rc8 Rf7 39. h4 Qg6 40. Qxb5 Qd6 41. Qe8 Qd1+ 42. Kh2 Qe2 43. Qg8+ Kg6 44. Rc6+ Rf6 45. Rxf6+ Kxf6 46. Qf8+ Kg6 47. Qd6+ Kh5 48. Qf4 g6 49. Kg2 Qc4 50. Qe5 Qe2 51. Qa1 Kg4 52. Qf1 Qc2 53. b5 f4 54. gxf4 Qb3 55. h5 gxh5 56. Qh1 Qxb5 57. Qh3# 1-0

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.29"]
[Round "4"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Bortnyk, Mykola"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2411"]
[BlackElo "2453"]
[PlyCount "91"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 f5 5. d3 f4 6. h4 Qf6 7. Nbd2 Nge7 8. b4 h6 9. Bb2 Be6 10. Qa4 a5 11. 0-0-0 Nc8 12. Bxe6 Nb6 13. Qb3 a4 14. Qc2 Qxe6 15. a3 0-0-0 16. c4 Be7 17. h5 Rhg8 18. Nb1 g5 19. hxg6 Rxg6 20. Rh2 Rdg8 21. Rg1 R8g7 22. Qe2 Qg8 23. Qf1 Bf6 24. Nbd2 Kb8 25. Rgh1 Rh7 26. Kb1 Nd7 27. Rg1 Rhg7 28. Rgh1 Rh7 29. Rg1 Na7 30. Qd1 b5 31. Qe2 Rhg7 32. Rc1 c5 33. bxc5 Nxc5 34. cxb5 Rb7 35. b6 Rxb6 36. Nc4 Rb3 37. Nfd2 Rxd3 38. Nxd6 Qd8 39. Rxc5 Qxd6 40. Rc2 Nb5 41. Rh3 Rgg3 42. fxg3 f3 43. gxf3 Nxa3+ 44. Bxa3 Qxa3 45. Rb2+ Kc8 46. Nc4 1-0

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.28"]
[Round "3"]
[White "Mardov, Dimitar"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2473"]
[BlackElo "2411"]
[PlyCount "53"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 h6 8. Bh4 Be7 9. Bd3 Ne4 10. Bxe7 Qxe7 11. 0-0 0-0 12. Qc2 Re8 13. Rab1 a5 14. h3 Ndf6 15. Ne5 Nd6 16. Rbe1 Be6 17. f3 Rad8 18. Ne2 Nd7 19. Nf4 Qf6 20. Qc3 Bf5 21. e4 Bh7 22. Nxd5 cxd5 23. Nxd7 Rxd7 24. e5 Qd8 25. exd6 Rxe1 26. Rxe1 Bxd3 27. Qxd3 1/2-1/2

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.28"]
[Round "2"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Lomasov, Semen"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2411"]
[BlackElo "2565"]
[PlyCount "74"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 g6 7. 0-0 Bg7 8. Re1 0-0 9. a5 a6 10. Nbd2 b5 11. Bb3 Bb7 12. d4 exd4 13. cxd4 Nb4 14. e5 dxe5 15. dxe5 Nh5 16. Ne4 Qxd1 17. Bxd1 Nd3 18. Re3 Rad8 19. Bc2 Nhf4 20. Kf1 Nxe5 21. Nxe5 Bxe5 22. Nc5 Bxg2+ 23. Kg1 Bd6 24. Ne4 Bxe4 25. Rxe4 g5 26. Bxf4 Bxf4 27. Rd1 Kg7 28. h4 Kf6 29. hxg5+ hxg5 30. Ree1 Bd2 31. Re2 Bb4 32. Rc1 Rd2 33. Bd1 Rfd8 34. Rxd2 Rxd2 35. Rc6+ Kg7 36. Bh5 Bxa5 37. Rxa6 Bb6 0-1

[Event "New York 1000 GM Spring GM-A"]
[Site "New York"]
[Date "2024.03.27"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Shlyakhtenko, Robert"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2411"]
[BlackElo "2384"]
[PlyCount "92"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. f4 Bb7 9. Bd3 Nc6 10. Nxc6 Qxc6 11. Qe2 Bc5 12. Be3 Bxe3 13. Qxe3 0-0-0 14. 0-0-0 d5 15. cxd5 exd5 16. e5 d4 17. Bf5+ Kc7 18. Rxd4 Rxd4 19. Qxd4 Rd8 20. Qf2 g6 21. exf6 gxf5 22. Re1 Qxf6 23. g3 Kb8 24. Qe3 Bc8 25. Kc2 Qc6 26. Qe7 Rd7 27. Qe5+ Kb7 28. Re2 Rc7 29. Qe8 Qc4 30. Re7 Bd7 31. Qd8 Qd4 32. Kb1 Qg1+ 33. Kc2 Qxh2+ 34. Kb1 Qg1+ 35. Kc2 Qf2+ 36. Kb1 Qg1+ 37. Kc2 Qd4 38. Kc1 Qd3 39. a4 b5 40. axb5 axb5 41. Re2 Qxg3 42. Rd2 Qxf4 43. Kc2 Be6 44. Rd4 Qe5 45. Kb1 f4 46. Rb4 Bc4 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "8"]
[White "Antoniou, Rafail"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2030"]
[BlackElo "2399"]
[PlyCount "146"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Bb7 3. d4 e6 4. a3 f5 5. Nc3 Nf6 6. g3 Be7 7. Bg2 0-0 8. 0-0 Ne4 9. Qc2 Nxc3 10. Qxc3 Bf6 11. Bf4 d6 12. h4 Qe7 13. Rfe1 Nd7 14. Bg5 h6 15. Bxf6 Nxf6 16. Nd2 Bxg2 17. Kxg2 e5 18. Nf3 Rae8 19. e3 Ng4 20. dxe5 dxe5 21. c5 e4 22. Ng1 Ne5 23. Ne2 Nd3 24. Red1 Nxc5 25. Nf4 Qf7 26. Rac1 g5 27. hxg5 hxg5 28. Rh1 Qg7 29. Qxg7+ Kxg7 30. Nd5 c6 31. Nb4 Re6 32. Rh5 Rg6 33. Rch1 a5 34. Rh7+ Kg8 35. Rh8+ Kf7 36. R1h7+ Ke8 37. Nc2 Nd3 38. Nd4 Nxb2 39. Nxf5 Rxh8 40. Rxh8+ Kd7 41. Rh7+ Ke6 42. g4 Nc4 43. Re7+ Kd5 44. Re8 Kc5 45. Rxe4 Nxa3 46. Re5+ Kb4 47. Ne7 Rd6 48. f4 Nc4 49. Re4 a4 50. Nf5 Rd2+ 51. Kg3 a3 52. Ne7 Kb5 53. fxg5 a2 54. g6 a1Q 55. g7 Qxg7 56. Nf5 Qc7+ 57. Kf3 Rh2 58. Rf4 Nd2+ 59. Kg3 Rh1 60. Nd4+ Ka6 61. g5 Rg1+ 62. Kf2 Rf1+ 63. Kg3 Rxf4 64. exf4 Ne4+ 65. Kg4 Nf2+ 66. Kh5 Qxf4 67. Nxc6 Ne4 68. Kg6 Qxg5+ 69. Kh7 Qh5+ 70. Kg8 Qg6+ 71. Kh8 Qxc6 72. Kg8 Qc7 73. Kh8 b5 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "2"]
[White "Bagrationi, Alexander"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2443"]
[BlackElo "2399"]
[PlyCount "69"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. g4 Bg6 7. Nc3 a6 8. Bd3 Nb6 9. h4 Nfxd5 10. h5 Nxc3 11. bxc3 Bxd3 12. Qxd3 Qd5 13. Ne2 e6 14. Bf4 0-0-0 15. Kf2 Nc4 16. Rab1 e5 17. Bg3 Bc5 18. Qf5+ Kb8 19. dxc5 Qxc5+ 20. Ke1 Nd2 21. Rd1 g6 22. Qf6 Qe3 23. Rf1 Rhe8 24. Rf2 Rd6 25. Qxf7 Red8 26. Rc1 gxh5 27. gxh5 Nc4 28. Qxc4 Rd2 29. Rb1 b5 30. Kf1 Kc8 31. Qe4 Rd1+ 32. Rxd1 Rxd1+ 33. Kg2 Qd2 34. Qxe5 Qe1 35. Qxc7# 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "11"]
[White "Novik, Maxim"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2399"]
[BlackElo "2399"]
[PlyCount "83"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. Nf3 Qe7 6. Be2 Bxc4 7. d3 Be6 8. 0-0 Nc6 9. Nc3 0-0-0 10. Be3 Nd5 11. Nxd5 Bxd5 12. Rc1 Qd7 13. Qa4 a6 14. Rc3 Be7 15. Rfc1 Bf6 16. d4 Nb8 17. Bf4 c6 18. Ne5 Bxe5 19. Bxe5 f6 20. Bg3 Rhe8 21. Bf1 g5 22. Qa5 h5 23. h3 h4 24. Bh2 Re4 25. Qb6 Qe7 26. Qa7 Rd6 27. Bxd6 Qxd6 28. Bd3 Re7 29. Bf5+ Kc7 30. Qc5 Qd8 31. Re3 Rxe3 32. fxe3 Qd6 33. Qxd6+ Kxd6 34. e4 Bxa2 35. Kf2 Bf7 36. Ke3 a5 37. Rf1 Na6 38. Bc8 Ke7 39. Bxb7 Nb4 40. Rc1 Be8 41. Kd2 Bd7 42. Ra1 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "4"]
[White "Olsson, William"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2379"]
[BlackElo "2399"]
[PlyCount "53"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e4 e5 4. Nf3 Nc6 5. g3 Bc5 6. Bg2 d6 7. 0-0 Nge7 8. d3 0-0 9. a3 a5 10. Nd2 f5 11. exf5 Nxf5 12. Nde4 Bd4 13. Bg5 Qd7 14. Bh3 Qf7 15. Nd5 Nd8 16. Ndf6+ gxf6 17. Nxf6+ Kh8 18. Bxf5 Ne6 19. h4 Nxg5 20. hxg5 e4 21. Bxe4 Bxe4 22. Nxe4 Bxb2 23. Ra2 Bd4 24. Qg4 Rae8 25. Kg2 Qf5 26. Qh5 Qg6 27. Qh4 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "10"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Dyachuk, Artem"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2399"]
[BlackElo "2240"]
[PlyCount "52"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 6. Nc3 b5 7. d4 cxd4 8. Qxd4 Bb7 9. Bg5 Rc8 10. 0-0 h6 11. Bh4 Nf6 12. e5 Rc4 13. Qd3 Nh5 14. Nd5 Rxh4 15. Nxh4 e6 16. Ng6 Bxd5 17. Nxh8 Qg5 18. Qxd5 exd5 19. a4 Nf4 20. g3 Ne6 21. f4 Bc5+ 22. Kh1 Qf5 23. Rfe1 Qh5 24. Rf1 b4 25. Rad1 Qe2 26. f5 Qe4+ 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Rangel, Daniel"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2399"]
[BlackElo "2176"]
[PlyCount "109"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nf3 Nc6 6. Qd3 d6 7. Nd5 Bg7 8. c3 0-0 9. Bg5 Be6 10. Be2 Ne5 11. Nxe5 dxe5 12. Rd1 Re8 13. 0-0 Qa5 14. b4 Qd8 15. Bf3 Rc8 16. Qe3 Bxd5 17. exd5 a6 18. Qxe5 Nd7 19. Qe2 Rxc3 20. d6 Bf6 21. dxe7 Bxe7 22. Rfe1 Bxg5 23. Qxe8+ Qxe8 24. Rxe8+ Nf8 25. Bxb7 Rc4 26. Bxa6 Rxb4 27. g3 Ra4 28. Bb5 Rxa2 29. h4 Bf6 30. Rd6 Bg7 31. Bc4 Ra7 32. Rdd8 h5 33. Kg2 Bh6 34. Rc8 Bg7 35. Red8 Bh6 36. Ra8 Rc7 37. Rdc8 Re7 38. Kf3 Bg7 39. Ra6 Kh7 40. Rac6 Bh6 41. R6c7 Rxc7 42. Rxc7 Bg7 43. Bxf7 Kh6 44. Kg2 Nh7 45. f3 Nf6 46. Rc6 Kh7 47. Kh3 Bh8 48. g4 hxg4+ 49. fxg4 Kg7 50. Be6 Ne4 51. Rc7+ Kf6 52. Bc8 g5 53. Rc6+ Ke5 54. h5 Kf4 55. Rc4 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "7"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Shapiro, Viktor"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2399"]
[BlackElo "2113"]
[PlyCount "147"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 c5 6. d3 Nc6 7. a4 a5 8. Nf3 Bf5 9. 0-0 e6 10. Re1 Be7 11. h3 0-0 12. Ne2 Nb4 13. Ng3 Bg6 14. Ne5 Rc8 15. Qe2 Bf6 16. Nxg6 hxg6 17. Ne4 Be7 18. Nd2 Qc7 19. c3 N4d5 20. Ne4 Rfd8 21. Bc2 Nf4 22. Qf3 Nfd5 23. Bd2 c4 24. d4 Nf6 25. Ng5 Qc6 26. Qe2 Nbd5 27. Nf3 Bd6 28. g3 Rb8 29. Bg5 b5 30. axb5 Qxb5 31. Ra2 Rdc8 32. h4 Qd7 33. Ba4 Qc7 34. Kg2 Rb6 35. Bc2 Rcb8 36. Bc1 Qb7 37. Kg1 Qc7 38. Ne5 Bxe5 39. dxe5 Nd7 40. h5 gxh5 41. Qxh5 g6 42. Bxg6 fxg6 43. Qxg6+ Kf8 44. Bh6+ Ke7 45. Qg5+ Ke8 46. Qg8+ Nf8 47. Qxf8+ Kd7 48. Qg7+ Kc8 49. Qxc7+ Kxc7 50. Bc1 Rb5 51. Re4 Rc5 52. Be3 Nxe3 53. Rxe3 Rbb5 54. f4 Rd5 55. Kg2 Rd2+ 56. Kf3 Rdxb2 57. Ra4 Rc5 58. Re4 Rb3 59. Rexc4 Rxc3+ 60. Rxc3 Rxc3+ 61. Kg4 Rc5 62. Kg5 Kb6 63. Kf6 Kb5 64. Ra1 Rc6 65. g4 a4 66. g5 Kb4 67. g6 a3 68. g7 Rc8 69. Kxe6 Rc6+ 70. Kf5 Rc8 71. Kf6 Kb3 72. e6 a2 73. Rxa2 Kxa2 74. Kf7 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "3"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Weisz, Bryan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2399"]
[BlackElo "1995"]
[PlyCount "49"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 c5 7. dxc5 dxc5 8. e5 Bb7 9. Qe2 Nc6 10. Be4 e6 11. Be3 Qb6 12. Qf2 Bf8 13. 0-0 Nh6 14. Qe2 Ng4 15. Kh1 Nxe3 16. Qxe3 0-0-0 17. a4 Nd4 18. axb5 axb5 19. Bxb7+ Kxb7 20. Nxd4 cxd4 21. Qf3+ Kc7 22. Ra7+ Qxa7 23. Nxb5+ Kb6 24. Nxa7 Kxa7 25. Qc6 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Willy, Stephen"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2399"]
[BlackElo "1946"]
[PlyCount "79"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 e6 7. Bb2 Be7 8. 0-0-0 0-0 9. f4 a6 10. g4 Nxg4 11. Nf3 Qb6 12. Rg1 Nf6 13. Bd3 Nb4 14. e5 dxe5 15. fxe5 Nxd3+ 16. Qxd3 Rd8 17. Qe2 Nd5 18. Nxd5 Rxd5 19. Rxd5 exd5 20. e6 f6 21. Nd4 Bc5 22. Qg2 Qc7 23. Qxd5 Qd6 24. Rxg7+ Kh8 25. Rxh7+ Kxh7 26. Qh5+ Kg8 27. Qg6+ Kh8 28. Qxf6+ Kg8 29. Qf7+ Kh8 30. Nf5+ Bd4 31. Bxd4+ Qxd4 32. Nxd4 Bd7 33. exd7 Rg8 34. Qxg8+ Kxg8 35. d8Q+ Kh7 36. Qd5 Kh6 37. Qf5 b5 38. Ne6 a5 39. Qg5+ Kh7 40. Qg7# 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "9"]
[White "Yurovskich, Oleksandr"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2328"]
[BlackElo "2399"]
[PlyCount "117"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 d5 4. Bf4 Nc6 5. e3 Qb6 6. Qc2 Nh5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nxg3 10. hxg3 Bg7 11. Nbd2 e6 12. Qb3 Bd7 13. Qxb6 axb6 14. a3 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Bd3 f5 18. f4 Bf6 19. Nf3 Kf7 20. Kf2 Kg7 21. Rad1 Be6 22. Rd2 Rae8 23. Rhd1 Re7 24. Bb1 Rhe8 25. Ba2 d4 26. Bxe6 dxe3+ 27. Kxe3 Rxe6+ 28. Kf2 b5 29. Re1 Rxe1 30. Nxe1 gxf4 31. gxf4 Bh4+ 32. g3 Bxg3+ 33. Kxg3 Rxe1 34. Rd7+ Kg6 35. Rxb7 Re3+ 36. Kf2 Rd3 37. Rxb5 c4 38. a4 Rd1 39. Rb4 Rb1 40. a5 Ra1 41. Rxc4 Rxa5 42. b4 Ra2+ 43. Kg3 Rb2 44. Rc5 Rb3 45. b5 Rb1 46. c4 Rg1+ 47. Kf2 Rb1 48. Rc6+ Kh5 49. b6 Kg4 50. c5 Kxf4 51. Rc7 Rb2+ 52. Kg1 Kf3 53. b7 f4 54. c6 Rb1+ 55. Kh2 Rb2+ 56. Kh3 Rb1 57. Kh2 Rb2+ 58. Kg1 Rb1+ 59. Kh2 1/2-1/2

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "6"]
[White "Zarnicki, Pablo Adrian"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2514"]
[BlackElo "2399"]
[PlyCount "81"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. Nc3 a6 7. Ba4 b5 8. Bb3 Nb6 9. Nge2 b4 10. Na4 Nfxd5 11. 0-0 e6 12. Ng3 Bg6 13. f4 Be7 14. f5 exf5 15. Nxf5 0-0 16. Qf3 Bf6 17. Rd1 Qd7 18. Nxb6 Nxb6 19. Nh6+ Kh8 20. Be3 Rae8 21. Ng4 Bh5 22. Nxf6 Bxf3 23. Nxd7 Nxd7 24. Re1 Be4 25. Bf4 f5 26. Bxc7 Rf6 27. Ba4 Re7 28. Bd8 Rff7 29. Bxe7 Rxe7 30. Bxd7 Rxd7 31. c3 Kg8 32. Rad1 bxc3 33. bxc3 Rc7 34. d5 Kf7 35. d6 Rd7 36. c4 Rd8 37. c5 Ke6 38. c6 Rxd6 39. c7 Rxd1 40. Rxd1 Bb7 41. Rd8 1-0

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.15"]
[Round "8"]
[White "Galyas, Miklos"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2423"]
[BlackElo "2399"]
[PlyCount "47"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. b3 Bd6 6. Bb2 0-0 7. d4 b6 8. Bd3 Bb7 9. 0-0 a6 10. cxd5 exd5 11. Qc2 Qe7 12. Ne2 Rfe8 13. Ng3 g6 14. Rac1 Rac8 15. Qe2 b5 16. Rc2 h5 17. Rfc1 Ne4 18. a4 h4 19. Nf1 c6 20. h3 f5 21. N3d2 Ndf6 22. Nf3 Nd7 23. N3d2 Ndf6 24. Nf3 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.15"]
[Round "9"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Stearman, Josiah P"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2399"]
[BlackElo "2455"]
[PlyCount "14"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. h3 h6 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.14"]
[Round "6"]
[White "Hardaway, Brewington"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2427"]
[BlackElo "2399"]
[PlyCount "41"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. 0-0 g6 10. Bh6 Na6 11. Ng3 Nc7 12. Qd2 f5 13. Rfe1 Rxe1+ 14. Rxe1 Be6 15. b3 a5 16. Bc4 b5 17. Bg5 Be7 18. Bxe7 Qxe7 19. Bxe6 Nxe6 20. Ne2 Qd6 21. Rd1 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.14"]
[Round "7"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Mardov, Dimitar"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2399"]
[BlackElo "2453"]
[PlyCount "80"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. b3 0-0 6. Bb2 b6 7. cxd5 exd5 8. d4 Bb7 9. Bd3 c5 10. 0-0 Nc6 11. dxc5 bxc5 12. Rc1 Nb4 13. Bb1 Ne4 14. a3 Nxc3 15. Bxc3 Na6 16. Qd3 f5 17. Ne5 Nc7 18. Rfd1 a5 19. a4 Bd6 20. Nc4 Ne6 21. Nxd6 Qxd6 22. Bb2 Qb6 23. Be5 Rf7 24. Qb5 Qd8 25. Rxc5 Nxc5 26. Qxc5 Rc8 27. Qd4 Qe7 28. h3 h6 29. Qf4 Qb4 30. Qxb4 axb4 31. Bd6 Rc3 32. Bxb4 Rxb3 33. Bc5 Rc3 34. Bd4 Ra3 35. Bc2 Bc6 36. Rb1 Bxa4 37. Rb8+ Rf8 38. Rxf8+ Kxf8 39. Bc5+ Kf7 40. Bxa3 Bxc2 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.13"]
[Round "4"]
[White "Barbosa, Oliver"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2482"]
[BlackElo "2399"]
[PlyCount "20"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 c6 9. h3 Bd6 10. 0-0 0-0 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.13"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Schitco, Ivan"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2399"]
[BlackElo "2521"]
[PlyCount "88"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc7 5. g4 Bd7 6. Nc3 h5 7. gxh5 Qc8 8. Be2 Bf5 9. Be3 Nd7 10. Qd2 a5 11. a4 Nb6 12. b3 e6 13. Nd1 Nd7 14. Nh3 Ne7 15. c3 c5 16. Kf1 Nc6 17. Rc1 Qd8 18. Nf4 cxd4 19. cxd4 Bb4 20. Qb2 Qe7 21. Qa2 f6 22. exf6 Qxf6 23. Qa1 0-0 24. Nc3 Rac8 25. Nb5 Rf7 26. Rh2 Rcf8 27. Ng6 Bxg6 28. hxg6 Qxg6 29. Rg2 Qe4 30. Kg1 Qxh4 31. Qb1 Nf6 32. Rh2 Qe4 33. Bd3 Qg4+ 34. Rg2 Qf3 35. Rg3 Qh5 36. Bg6 Qh8 37. Kg2 Nh5 38. Rh1 Rxf2+ 39. Bxf2 Nf4+ 40. Kg1 Ne2+ 41. Kg2 Nf4+ 42. Kg1 Ne2+ 43. Kg2 Nf4+ 44. Kg1 Nh3+ 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.12"]
[Round "2"]
[White "Korley, Kassa"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "E24"]
[WhiteElo "2442"]
[BlackElo "2399"]
[PlyCount "70"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d6 6. f3 c5 7. e4 Nc6 8. Be3 b6 9. Bd3 e5 10. Ne2 Qe7 11. 0-0 h6 12. Kh1 Bb7 13. a4 Na5 14. Ng3 g6 15. f4 exd4 16. cxd4 Nxe4 17. d5 Nxg3+ 18. hxg3 0-0-0 19. Bd2 Rhe8 20. Qc2 f5 21. Rfe1 Qf7 22. g4 Rxe1+ 23. Rxe1 Re8 24. Rxe8+ Qxe8 25. gxf5 gxf5 26. Bxf5+ Kb8 27. Bd3 Bc8 28. Kg1 Bd7 29. Qb2 Kc7 30. f5 Qh5 31. Qb1 Qg4 32. Qf1 Qd4+ 33. Kh2 Qh4+ 34. Kg1 Qd4+ 35. Kh2 Qh4+ 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.12"]
[Round "3"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Ghazarian, Kirk Vagho"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2399"]
[BlackElo "2432"]
[PlyCount "14"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. 0-0 0-0 7. h3 a6 1/2-1/2

[Event "New York 1000 GM Winter GM-A"]
[Site "New York"]
[Date "2024.01.11"]
[Round "1"]
[White "Huston, Gus"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2428"]
[BlackElo "2399"]
[PlyCount "96"]
[EventDate "2024.01.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nf3 Ne7 6. h3 Nd7 7. Nc3 dxc4 8. Bxc4 Nb6 9. Bb3 h6 10. 0-0 Ned5 11. Qe2 Be7 12. Rd1 a5 13. a3 a4 14. Ba2 Nxc3 15. bxc3 Nd5 16. Qb2 b5 17. Ne1 0-0 18. Nc2 Qd7 19. Nb4 Rfd8 20. Re1 Rac8 21. Bd2 Nb6 22. Be3 c5 23. dxc5 Bxc5 24. Nc2 Bxc2 25. Qxc2 Bxe3 26. Rxe3 Nc4 27. Bxc4 Rxc4 28. Rb1 Qc6 29. Qb2 Rd5 30. Rbe1 Qc7 31. Kh2 Rdc5 32. Qe2 Rd5 33. Qf3 Qc5 34. Rd3 Rxd3 35. Qxd3 Rxc3 36. Qe4 Qxf2 37. Rd1 g5 38. Kh1 Qf4 39. Qb1 Qxe5 40. Qb4 Rc8 41. Rf1 Rc7 42. Rd1 Kg7 43. Rf1 Rc4 44. Qd2 Rf4 45. Rb1 Re4 46. Qf2 Re2 47. Qf1 Re3 48. Qf2 Rxh3+ 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.19"]
[Round "9"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2389"]
[BlackElo "2509"]
[PlyCount "110"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Na6 6. a3 Nxe4 7. Qxe4 Nc5 8. Qe3 Qd6 9. d4 Ne6 10. Bc4 g6 11. 0-0 Bg7 12. c3 Nc7 13. Re1 Be6 14. Bf1 0-0 15. Qe4 Rae8 16. Qh4 Bd5 17. Ne5 f6 18. Nc4 Qd7 19. a4 Bf7 20. Qg3 Nd5 21. Bd2 Rc8 22. b4 Rfe8 23. a5 Rcd8 24. h3 Qc7 25. Qf3 b6 26. Rad1 c5 27. axb6 axb6 28. dxc5 bxc5 29. b5 e5 30. Qg3 f5 31. Rb1 Rb8 32. Kh1 h6 33. Kg1 Re7 34. Ne3 Nb6 35. Nc2 Rd7 36. Bc1 Kh7 37. Ra1 Rbd8 38. Ra6 Rd1 39. Be2 Rxe1+ 40. Nxe1 Rd6 41. Qh4 Nd5 42. Rxd6 Qxd6 43. Bc4 Be8 44. Nf3 e4 45. Ng5+ Kg8 46. Ne6 Bf6 47. Qxh6 Qxe6 48. Qd2 Bf7 49. b6 Qc6 50. Qa2 Kg7 51. Qd2 e3 52. fxe3 Nxb6 53. Bxf7 Kxf7 54. Qa2+ Qd5 55. Qa7+ Nd7 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "8"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2474"]
[BlackElo "2389"]
[PlyCount "72"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 a5 6. Qc2 0-0 7. Bg2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. e3 exd5 11. 0-0 Nc6 12. Nxc6 bxc6 13. Nc3 h5 14. a3 Be7 15. e4 Ba6 16. Rfc1 Ng4 17. Nd1 Bc4 18. Be3 Qb7 19. h3 Nxe3 20. Nxe3 Rab8 21. b4 axb4 22. axb4 Qxb4 23. exd5 cxd5 24. Bxd5 Bxd5 25. Nxd5 Qb7 26. Qe4 Bd6 27. Qf5 Rbe8 28. Rab1 Qa7 29. Qf3 Re6 30. Kg2 Qd4 31. Rd1 Qe4 32. Qxe4 Rxe4 33. Nf6+ gxf6 34. Rxd6 Re6 35. Rd4 Kg7 36. Rh4 Re5 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "7"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Rios, Cristhian Camilo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2389"]
[BlackElo "2473"]
[PlyCount "39"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 Nd4 6. Nxd4 cxd4 7. c3 a6 8. Bf1 Nc6 9. b4 dxc3 10. dxc3 Be7 11. a4 0-0 12. Na3 d5 13. b5 axb5 14. axb5 Na5 15. exd5 exd5 16. Nc2 Bf6 17. Nd4 b6 18. Bf4 Bd7 19. Qf3 Bxd4 20. cxd4 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.17"]
[Round "5"]
[White "Alvarez Pedraza, Aramis"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2452"]
[BlackElo "2389"]
[PlyCount "47"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. Nf3 g6 5. Bb5+ Nbd7 6. Bxf6 exf6 7. c3 a6 8. Be2 Bg7 9. d4 0-0 10. Nbd2 f5 11. g3 b6 12. 0-0 Qe7 13. a4 Bb7 14. Qc1 Rac8 15. Qa3 Rfe8 16. Rac1 Nf8 17. a5 b5 18. dxc5 Rxc5 19. b4 Rc7 20. Nd4 Rec8 21. N2f3 Nd7 22. Rc2 Nf6 23. Rfc1 Ne4 24. Bf1 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.17"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Miranda Mesa, Elier"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2389"]
[BlackElo "2495"]
[PlyCount "75"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Bd3 Bb7 9. f4 h5 10. Qe2 Bc5 11. Nf3 Nc6 12. e5 Ng4 13. Ne4 Be7 14. Bd2 Nh6 15. Bc3 Nf5 16. 0-0 a5 17. Rad1 a4 18. Kh1 h4 19. Nf6+ gxf6 20. Bxf5 h3 21. Bxh3 f5 22. Bxf5 exf5 23. e6 Rh6 24. exd7+ Kf8 25. Qd3 Rh5 26. Ng5 Bxg5 27. Qxf5 Rd8 28. Qg4 Rh7 29. Qf5 Rh5 30. Qg4 Rh7 31. Qxg5 Rxd7 32. Qf5 Rxd1 33. Rxd1 Rh6 34. Rd7 Ne7 35. Bg7+ Kxg7 36. Qg5+ Rg6 37. Rxc7 Rxg5 38. fxg5 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "3"]
[White "Budisavljevic, Luka"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2476"]
[BlackElo "2389"]
[PlyCount "132"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. h3 Bd6 9. Bd3 c6 10. Qd2 Qc7 11. Bf4 0-0 12. 0-0 Rfe8 13. Rfc1 Nh5 14. Bxd6 Qxd6 15. b4 b5 16. Rab1 Nhf6 17. Qc2 h6 18. Ne2 Rac8 19. Nf4 Ne4 20. Nd2 Nxd2 21. Qxd2 Nb6 22. Bc2 Bd7 23. Qc3 Nc4 24. a4 Qf6 25. Ra1 Bf5 26. axb5 axb5 27. Ra6 Bxc2 28. Rxc2 Rcd8 29. Rca2 g6 30. Nd3 Rd6 31. Nc5 Kg7 32. Ra7 Qf5 33. Qd3 Qg5 34. Ra8 Rxa8 35. Rxa8 Qe7 36. Qd1 h5 37. Qa1 Qg5 38. e4 Rf6 39. Qe1 Nd2 40. Kh1 Nxe4 41. Nxe4 dxe4 42. Re8 Qf5 43. Kg1 Re6 44. Rd8 e3 45. fxe3 Qg5 46. d5 cxd5 47. Qc3+ Qe5 48. Qd4 Qxd4 49. exd4 Re1+ 50. Kf2 Rb1 51. Rxd5 Rxb4 52. h4 Kf6 53. Ke3 Rb2 54. g3 Rb3+ 55. Kf4 Rb1 56. Rd6+ Ke7 57. Rb6 b4 58. Ke5 b3 59. Rb7+ Kf8 60. d5 b2 61. Kd6 Kg7 62. Rb4 Kh6 63. Rb6 Kg7 64. Rb4 Kg8 65. Rb8+ Kh7 66. Rb7 Kg7 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "4"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Martinez Duany, Lelys Stanley"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2389"]
[BlackElo "2483"]
[PlyCount "49"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 g6 7. 0-0 Bg7 8. Re1 0-0 9. Nbd2 Kh7 10. a5 Rb8 11. b4 b5 12. axb6 axb6 13. Qb3 Kg8 14. d4 b5 15. Bf1 Bd7 16. dxe5 Ng4 17. exd6 Be6 18. Qc2 Qxd6 19. h3 Nge5 20. Nxe5 Qxe5 21. Ra3 Qf6 22. Be2 Ne5 23. Nf1 Rfd8 24. Be3 Nc4 25. Bxc4 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.15"]
[Round "2"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Morales, Viscaya Joel Artem"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2389"]
[BlackElo "1737"]
[PlyCount "37"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. b3 c5 6. cxd5 exd5 7. Bb5+ Nc6 8. 0-0 0-0 9. d4 Bg4 10. dxc5 Bxc5 11. Bb2 a6 12. Be2 Rc8 13. h3 Bh5 14. Nh4 Bxe2 15. Nxe2 Ne4 16. Nf5 Nf6 17. Nf4 Re8 18. Nxg7 Kxg7 19. Nh5+ 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.15"]
[Round "1"]
[White "Silva Hernandez, Jose Luis"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1941"]
[BlackElo "2389"]
[PlyCount "82"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 0-0 7. Nc3 f5 8. Nf3 Nd7 9. 0-0 Nf6 10. Rc1 c6 11. a3 Qe7 12. Qc2 Bd7 13. Bd3 g6 14. Rfd1 Rfe8 15. Re1 Rad8 16. Rcd1 Bc8 17. Bc4 Ne4 18. Qb3 b5 19. Bd3 Be6 20. Qc2 Nxc3 21. Qxc3 Bd5 22. Nd2 Qc7 23. Nf1 Re6 24. Rc1 Qe7 25. b4 h5 26. f3 Re8 27. Re2 Qg5 28. e4 fxe4 29. fxe4 Bxe4 30. Bxe4 Rxe4 31. Rxe4 Rxe4 32. Qxc6 Re6 33. Qa8+ Kh7 34. Rc8 Qf6 35. Qd5 Re1 36. Qf3 Qxd4+ 37. Kh1 Qf4 38. Qxf4 Bxf4 39. g3 Rxf1+ 40. Kg2 Rc1 41. gxf4 Rxc8 0-1

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.20"]
[Round "9"]
[White "Lagunow, Raphael"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2425"]
[BlackElo "2385"]
[PlyCount "114"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxe4 Qe7 7. Bd3 Nxd4 8. 0-0 Ne6 9. Bc4 d6 10. Re1 h6 11. b4 Bd7 12. f4 0-0-0 13. f5 Bc6 14. Nf2 Qf6 15. fxe6 Qxa1 16. b5 Be8 17. exf7 Bd7 18. Qf3 Qf6 19. Qxf6 gxf6 20. Bb2 Bg7 21. Ne4 Rdf8 22. Nxf6 Bxf6 23. Bxf6 Rh7 24. Re7 c6 25. bxc6 bxc6 26. a4 d5 27. Ba6+ Kc7 28. Be5+ Kd8 29. Bf6 Kc7 30. Be5+ Kb6 31. Rxd7 Kxa6 32. Rd6 Kb7 33. Rd7+ Ka6 34. Rd6 Rhxf7 35. h4 Re8 36. Bd4 Re1+ 37. Kh2 Re4 38. c3 Rxh4+ 39. Kg3 Rh5 40. Rxc6+ Ka5 41. Kg4 Rg5+ 42. Kh3 h5 43. c4 Rd7 44. g3 Rf5 45. Kg2 Kb4 46. cxd5 Rfxd5 47. Bf2 a5 48. Rc1 Rd2 49. Rb1+ Kxa4 50. Ra1+ Kb3 51. Rxa5 Rf7 52. g4 Rfxf2+ 53. Kg3 Rg2+ 54. Kh4 Rxg4+ 55. Kh3 Rd3+ 56. Kh2 Rc4 57. Rb5+ Ka2 0-1

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.19"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Liu, Yi"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2385"]
[BlackElo "2301"]
[PlyCount "51"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Qa5 10. a3 a6 11. h4 Bxc5 12. Bxc5 Nxc5 13. 0-0-0 b5 14. Nd4 Bd7 15. Nxc6 Bxc6 16. Qd4 Ne4 17. Rh3 Rfc8 18. h5 Rab8 19. h6 Nxc3 20. Rxc3 b4 21. Rc5 Qb6 22. axb4 Qxb4 23. Qxb4 Rxb4 24. Bxa6 Rc7 25. Rd3 Rb6 26. Rb3 1-0

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.18"]
[Round "7"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Msellek, Ilyass"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2385"]
[BlackElo "2411"]
[PlyCount "74"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nab1 Be7 11. Bxf6 Bxf6 12. a4 b4 13. Nd5 Be6 14. Bc4 0-0 15. 0-0 Bg5 16. Qd3 a5 17. c3 Rc8 18. Rd1 bxc3 19. bxc3 Ne7 20. Nxe7+ Qxe7 21. Na3 Rfd8 22. Bxe6 fxe6 23. Nb5 Rd7 24. Qe2 d5 25. Rd3 Rcd8 26. Rad1 Bf6 27. g3 Qc5 28. Qg4 Qc6 29. h4 h6 30. h5 Kh8 31. Kh2 Qc5 32. Kg1 Qc4 33. Qxe6 Qxe4 34. Qc6 Qe2 35. Nc7 e4 36. R3d2 Qf3 37. Qc5 e3 0-1

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.17"]
[Round "6"]
[White "Tomaszewski, Kacper"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2307"]
[BlackElo "2385"]
[PlyCount "70"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 d6 6. Qc2 Nbd7 7. e4 e5 8. Bd3 c5 9. d5 Nf8 10. h3 h6 11. Be3 Qe7 12. Rb1 Kd8 13. a4 a5 14. Kd1 Ra6 15. Kc1 N8d7 16. Rb5 Nb6 17. Qb3 Kc7 18. Nxe5 Qxe5 19. f4 Qe7 20. e5 Nfd7 21. Rxc5+ Nxc5 22. Bxc5 Nd7 23. Bd4 dxe5 24. fxe5 Nxe5 25. Be2 Nd7 26. Kd1 Re8 27. Re1 Rg6 28. Bf2 Qd6 29. g4 b6 30. Rg1 Nc5 31. Qb2 Ne4 32. Bd4 Bd7 33. Kc1 Qf4+ 34. Kb1 Nd2+ 35. Ka2 Rxe2 0-1

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.15"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Tissir, Mohamed"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "2385"]
[BlackElo "2344"]
[PlyCount "92"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g4 a6 7. Be3 Nge7 8. Nb3 b5 9. f4 Bb7 10. Qd2 Na5 11. Nxa5 Qxa5 12. Bg2 Rc8 13. Rd1 Nc6 14. a3 Be7 15. 0-0 Qc7 16. Qf2 0-0 17. g5 Rfe8 18. h4 Bf8 19. h5 b4 20. axb4 Nxb4 21. Rd2 Bc6 22. Rfd1 Qb7 23. Qg3 d5 24. g6 fxg6 25. hxg6 h6 26. exd5 exd5 27. Bd4 Bd6 28. Qg4 Qc7 29. f5 Bb7 30. Qh5 Be5 31. f6 Bxf6 32. Bxf6 gxf6 33. Qxh6 Re5 34. Qh4 Qe7 35. Rf1 Rf8 36. Rdf2 Rg5 37. Qh7+ Qxh7 38. gxh7+ Kxh7 39. Rxf6 Rxf6 40. Rxf6 Rg7 41. Kf2 d4 42. Bxb7 Rxb7 43. Nd1 Re7 44. c3 Nd3+ 45. Kg3 dxc3 46. bxc3 a5 1/2-1/2

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.14"]
[Round "4"]
[White "Bellahcene, Bilel"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2520"]
[BlackElo "2385"]
[PlyCount "155"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 d6 8. Nd5 h6 9. c3 Rb8 10. h3 Nxd5 11. Bxd5 Ne7 12. Bb3 Ng6 13. 0-0 0-0 14. d4 Bb6 15. Be3 Qe7 16. Re1 Rd8 17. Qd2 Be6 18. Bc2 c5 19. d5 Bd7 20. a4 c4 21. axb5 axb5 22. Bxb6 Rxb6 23. Ra7 Nf4 24. Qe3 Rbb8 25. Kh2 Qf6 26. g3 Ng6 27. Rea1 Nf8 28. Nd2 Be8 29. f4 exf4 30. gxf4 Ng6 31. Rf1 Ra8 32. Rxa8 Rxa8 33. Bb1 Bd7 34. Qg3 Re8 35. Rf2 Bc8 36. Nf1 Bd7 37. Ne3 h5 38. Qf3 h4 39. Ng4 Qe7 40. Rg2 Ra8 41. e5 Ra1 42. Bxg6 fxg6 43. e6 Be8 44. f5 gxf5 45. Qxf5 Kh8 46. Ne3 Re1 47. Qf2 Rb1 48. Qf3 Re1 49. Qf4 Rb1 50. Rf2 Bg6 51. Nf5 Bxf5 52. Qxf5 Re1 53. Qf8+ Qxf8 54. Rxf8+ Kh7 55. Kg2 Kg6 56. Kf2 Re5 57. Rd8 Rf5+ 58. Kg2 Rg5+ 59. Kf3 Kf6 60. Rxd6 Rg3+ 61. Ke4 Rxh3 62. Rd8 Rh1 63. Rf8+ Ke7 64. Rf7+ Kd6 65. Rd7+ Kc5 66. e7 Re1+ 67. Kf3 h3 68. Kg3 Re3+ 69. Kh2 g5 70. d6 g4 71. Rd8 Re2+ 72. Kg3 h2 73. d7 Kc6 74. e8Q h1Q 75. Rc8+ Kb7 76. Rc7+ Ka6 77. Qg6+ Ka5 78. Ra7# 1-0

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.13"]
[Round "3"]
[White "Makarian, Rudik"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2548"]
[BlackElo "2385"]
[PlyCount "123"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. Nf3 exd5 11. 0-0 Nc6 12. Nc3 Rd8 13. Rfd1 h6 14. Na4 Qa7 15. Bf4 Bg4 16. Bc7 Rdc8 17. Bb6 Qa6 18. Qd3 Qxd3 19. exd3 Nd7 20. h3 Be6 21. Be3 Bf8 22. Nd4 Nxd4 23. Bxd4 Be7 24. Rac1 Kf8 25. f4 h5 26. Kf2 Rc6 27. Rxc6 bxc6 28. Rc1 Rc8 29. g4 hxg4 30. hxg4 Bxg4 31. Bxd5 Nf6 32. Bxc6 Bf5 33. Rc3 Bb4 34. Bc5+ Kg8 35. Bb7 Rb8 36. Bxb4 axb4 37. Rc7 Bxd3 38. Nc5 Bb5 39. Bf3 Rd8 40. Rb7 Bc4 41. b3 Bd5 42. Rxb4 Rc8 43. Rb5 Bxf3 44. Kxf3 Nd5 45. Ne4 Ne7 46. Rc5 Ra8 47. Nc3 f6 48. b4 Kf7 49. a4 Ke6 50. Ke4 g6 51. a5 Ra6 52. Kd3 Rd6+ 53. Kc4 Nf5 54. b5 Rd4+ 55. Kb3 Rxf4 56. a6 Nd4+ 57. Ka3 Rf3 58. Kb4 Rf4 59. b6 Nc6+ 60. Ka3 Kd6 61. Rxc6+ Kxc6 62. b7 1-0

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.12"]
[Round "2"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Can, Emre"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2385"]
[BlackElo "2576"]
[PlyCount "74"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 d6 5. e5 Nd7 6. Bxc6 bxc6 7. Qe2 Nxe5 8. Nxe5 dxe5 9. Qxe5 Qd4 10. Qe4 Qxe4+ 11. Nxe4 Bf5 12. f3 Bxe4 13. fxe4 g6 14. b3 Bg7 15. Rb1 Rb8 16. d3 Kd7 17. Be3 Bd4 18. Ke2 f5 19. Rhf1 Rhf8 20. Rf3 Rf6 21. Rbf1 fxe4 22. dxe4 Ke6 23. Bg5 Rxf3 24. Rxf3 c4 25. Bf4 Rb5 26. Rh3 cxb3 27. axb3 h5 28. Rg3 Kf6 29. Kd3 Bb6 30. Bd2 Bc7 31. Rf3+ Ke6 32. h3 Rb8 33. Ke2 Be5 34. Rd3 Rf8 35. Rf3 Rc8 36. Rd3 Rf8 37. Rf3 Rc8 1/2-1/2

[Event "Qatar Masters op"]
[Site "Doha"]
[Date "2023.10.11"]
[Round "1"]
[White "Shimanov, Aleksandr"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2566"]
[BlackElo "2385"]
[PlyCount "86"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "QAT"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. e3 0-0 8. Rc1 Nc6 9. cxd5 exd5 10. Qb3 Qd6 11. Bd3 Ne7 12. 0-0 c6 13. Na4 Rb8 14. Qc2 Qf6 15. Nc5 Rd8 16. a3 Bxc5 17. Qxc5 a6 18. Nd2 Bf5 19. Be2 Nc8 20. b4 Nd6 21. a4 Qg6 22. Rfe1 Bd3 23. Bd1 Re8 24. Qc3 Re7 25. Nb3 Rbe8 26. Nc5 Bc4 27. Bf3 f5 28. Nd3 Bxd3 29. Qxd3 Qf7 30. g3 g5 31. Re2 Kg7 32. Rc5 Ne4 33. Bxe4 fxe4 34. Qd1 Re6 35. b5 axb5 36. axb5 Rf6 37. bxc6 bxc6 38. Rec2 Rf8 39. Qe1 Qd7 40. Qc3 Qg4 41. Rxc6 Qd1+ 42. Kg2 Qf3+ 43. Kg1 Qd1+ 1/2-1/2

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.30"]
[Round "9"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Siddharth, Jagadeesh"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2370"]
[BlackElo "2391"]
[PlyCount "132"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2 0-0 9. c4 Qb6 10. d3 Ng4 11. Nfd2 Nge5 12. f4 Nc6 13. Nf3 a6 14. Kh1 Qc7 15. Nbd2 Bf6 16. Bxf6 Nxf6 17. Qf2 Nb4 18. a3 Nc6 19. d4 cxd4 20. Nxd4 Ng4 21. Qg1 Nxd4 22. Qxd4 e5 23. Qc3 Qc5 24. h3 Nf6 25. b4 Qc6 26. fxe5 dxe5 27. Qxe5 Rad8 28. Rf2 Rd3 29. Re1 Rxa3 30. Qf5 Qb6 31. c5 Qe6 32. Qxe6 fxe6 33. e5 Nd5 34. Rxf8+ Kxf8 35. Rb1 Rd3 36. Nf3 Ke7 37. Rb2 Rc3 38. Nd2 Kd7 39. Kg1 Kc6 40. Nb3 Nxb4 41. Na5+ Kxc5 42. Nxb7+ Kb5 43. Nd8 a5 44. Nxe6 a4 45. Nd4+ Kc4 46. e6 a3 47. Re2 Kxd4 48. e7 Rc8 49. e8Q Rxe8 50. Rxe8 a2 51. Ra8 Kc3 52. Kf2 Kb2 53. Kf3 a1Q 54. Rxa1 Kxa1 55. Ke4 Kb2 56. Kf5 Kc3 57. Ke6 Kd4 58. Kf7 g6 59. Kg7 Ke5 60. Kxh7 Kf6 61. h4 Nd5 62. Kh6 Ne3 63. g3 Nf5+ 64. Kh7 Nxg3 65. Kh6 Nf5+ 66. Kh7 Ng3 0-1

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.29"]
[Round "8"]
[White "Czebe, Attila"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2354"]
[BlackElo "2370"]
[PlyCount "143"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 h6 5. Bg2 Nf6 6. 0-0 Be7 7. d3 0-0 8. Nbd2 Bh7 9. Re1 c6 10. e4 Nbd7 11. Qe2 a5 12. a3 Rc8 13. Rad1 Qb6 14. Rb1 Qa6 15. Ra1 Rfd8 16. h3 Bf8 17. Nh2 b5 18. Ng4 Be7 19. Nxf6+ Bxf6 20. Reb1 Qb6 21. Bxf6 Nxf6 22. b4 axb4 23. axb4 c5 24. exd5 Nxd5 25. Bxd5 Rxd5 26. Qe3 Qd8 27. bxc5 Rdxc5 28. Ne4 Bxe4 29. Qxe4 Rxc2 30. Qf3 Qd4 31. Ra8 b4 32. Rba1 Qf6 33. Qxf6 gxf6 34. Kf1 Rxa8 35. Rxa8+ Kg7 36. Rb8 Rb2 37. g4 b3 38. Kg2 Rb1 39. d4 Rb2 40. Kg3 Kh7 41. Kg2 Rb1 42. Kg3 b2 43. Kh2 Kg7 44. Kg2 Kg6 45. Rg8+ Kh7 46. Rb8 Kg7 47. Kh2 f5 48. gxf5 Kf6 49. fxe6 fxe6 50. Kg2 Ke7 51. h4 h5 52. Kf3 Kd6 53. Kf4 Kc7 54. Rb3 Kc6 55. Rb8 Kd5 56. Rb4 Kc6 57. Rb8 Kd7 58. Rb6 Ke7 59. Kf3 Kd7 60. Rb3 Kc7 61. Kf4 Kc8 62. Kf3 Kd8 63. Rb7 Kc8 64. Rb3 Kc7 65. Kf4 Kc6 66. Rb8 Kd5 67. Rb4 Rh1 68. Rxb2 Rxh4+ 69. Kg3 Rg4+ 70. Kf3 Kxd4 71. Rb4+ Ke5 72. Rb5+ 1/2-1/2

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.28"]
[Round "7"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Kovalev, Andrei"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2370"]
[BlackElo "2435"]
[PlyCount "29"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2 0-0 9. c4 Rc8 10. Nc3 Ne5 11. Nxe5 dxe5 12. f4 exf4 13. e5 Nd7 14. Rxf4 f6 15. exf6 1/2-1/2

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.27"]
[Round "6"]
[White "Kaczur, Florian"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2497"]
[BlackElo "2370"]
[PlyCount "93"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 c5 6. d4 e6 7. Bd3 Nc6 8. dxc5 Bxc5 9. a3 0-0 10. 0-0 b6 11. Qe2 Bb7 12. Rd1 Qc7 13. Bg5 Be7 14. Rd2 Rfd8 15. Rad1 g6 16. h4 Nd4 17. Nxd4 Rxd4 18. c3 Rdd8 19. Be4 Rxd2 20. Rxd2 Nxe4 21. Nxe4 Bxe4 22. Qxe4 Rd8 23. Rd4 Rxd4 24. Qxd4 h5 25. Bxe7 Qxe7 26. c4 e5 27. Qe4 Kg7 28. b4 Qd6 29. g3 Kf6 30. Qb7 Qe7 31. Qf3+ Kg7 32. Qe3 Kf6 33. c5 bxc5 34. bxc5 Qc7 35. Qf3+ Ke6 36. Qb3+ Ke7 37. Qd5 Qb8 38. Qc6 Qb1+ 39. Kg2 Qb8 40. a4 a5 41. Kh2 Qb2 42. Qd6+ Ke8 43. Kg2 Qc3 44. c6 Qd4 45. Qb8+ Ke7 46. Qb7+ Kf6 47. c7 1-0

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.27"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Matyassy, Lazar"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2370"]
[BlackElo "2227"]
[PlyCount "61"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Nd4 0-0 8. f3 d5 9. cxd5 Nxd4 10. cxd4 exf3 11. gxf3 Nxd5 12. h4 Qf6 13. Be2 Bf5 14. Qb3 Nf4 15. exf4 Rfe8 16. Kd1 c5 17. Bb2 cxd4 18. Bd3 Be6 19. Qb5 Qxf4 20. Rf1 h6 21. Be4 Bh3 22. Re1 Rxe4 23. Rxe4 Qxf3+ 24. Qe2 Qh1+ 25. Kc2 Rc8+ 26. Kd3 Bf1 27. Rxf1 Qh3+ 28. Qf3 Qd7 29. Qf5 Qc6 30. Qxf7+ Kh8 31. Bxd4 1-0

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.26"]
[Round "4"]
[White "Grover, Sahaj"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2488"]
[BlackElo "2370"]
[PlyCount "104"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 e6 8. Be2 Bd6 9. dxc5 Bxf4 10. exf4 Ne4 11. 0-0 Nxc5 12. Qd2 0-0 13. Rad1 Qb6 14. c3 Rfd8 15. Qc2 h6 16. g3 Rac8 17. Kg2 a6 18. h4 Qc7 19. f5 e5 20. f6 gxf6 21. Nh2 Ne7 22. Ng4 Kg7 23. Qd2 Rh8 24. f4 e4 25. Qd4 Qc6 26. Kh2 Rcd8 27. Nxf6 Qxf6 28. Qxc5 Rd6 29. Rd2 Rhd8 30. Rfd1 Kh7 31. Bf1 Rg8 32. Bh3 Rc6 33. Qf2 Qg7 34. g4 Qf8 35. Kh1 Qb8 36. Qe3 Rf6 37. Rf2 Qc7 38. g5 Rc6 39. f5 f6 40. Rg1 Qe5 41. g6+ Kg7 42. Rd1 Rd8 43. Kg2 Qc7 44. Rfd2 Rcd6 45. Qf4 Qc5 46. Bg4 b5 47. Re1 R6d7 48. Qe3 Qc7 49. Qg3 Qc5 50. Qf2 Qc7 51. Qg3 Qc5 52. Qf2 Qc7 1/2-1/2

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.25"]
[Round "3"]
[White "Neverov, Valeriy"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2397"]
[BlackElo "2370"]
[PlyCount "99"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. b3 Be7 7. Ba3 0-0 8. c4 Bxa3 9. Nxa3 Qe7 10. Qc1 Rd8 11. Qb2 Nbd7 12. Rac1 c6 13. Rfd1 a5 14. Nc2 Bh7 15. Ne3 Ne4 16. Ne1 Rf8 17. Nd3 Rfd8 18. a3 Nd6 19. Ne5 f6 20. Nd3 Bg6 21. Nf4 Bf7 22. cxd5 exd5 23. a4 Re8 24. Re1 Qd8 25. Nf1 Qb6 26. e3 Rad8 27. Nd3 Bg6 28. Nc5 Qa7 29. Nxd7 Rxd7 30. Nd2 Qb6 31. Rc5 Rde7 32. Qc3 Ra8 33. Rc1 Kh8 34. Bf1 Ree8 35. Bd3 Bxd3 36. Qxd3 Qb4 37. Qc3 Qb6 38. Kg2 Re7 39. Re1 Re6 40. Qd3 Qb4 41. Qc3 Qb6 42. Qd3 Qb4 43. Rb1 Qb6 44. Qc3 Re7 45. h4 Qa6 46. Re1 Re6 47. Qc2 Rae8 48. Qc3 Ra8 49. Qc2 Rae8 50. Qc3 1/2-1/2

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.25"]
[Round "2"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Bagi, Mate"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2370"]
[BlackElo "2446"]
[PlyCount "88"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. 0-0 Be7 7. Re1 f6 8. h3 Be6 9. Bb3 Bf7 10. d4 0-0 11. dxe5 fxe5 12. Nxe5 Nxe5 13. Rxe5 c6 14. Nd2 Qc7 15. Re1 Kh8 16. Ne4 Bg6 17. Bxd5 cxd5 18. Nc3 Bc5 19. Be3 d4 20. Nb5 Qb6 21. Nxd4 Rad8 22. c3 Qxb2 23. Qb3 Qxb3 24. axb3 Rfe8 25. Nc6 bxc6 26. Bxc5 Rxe1+ 27. Rxe1 Bc2 28. Re7 Bxb3 29. Rxa7 h5 30. Rc7 Bd5 31. Bd4 Rg8 32. c4 Bxc4 33. Rxc6 Bd3 34. Rh6+ Bh7 35. Rxh5 Rd8 36. Be5 Kg8 37. Rg5 Rd7 38. f3 Bc2 39. Kf2 Kh7 40. Bf4 Rf7 41. Rc5 Bb1 42. Bc7 Kg6 43. Ke3 Rd7 44. g4 Kf7 1-0

[Event "Budapest Vezerkepzo GM 09"]
[Site "Budapest"]
[Date "2023.09.24"]
[Round "1"]
[White "Aditya, Varun Gampa"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2254"]
[BlackElo "2370"]
[PlyCount "116"]
[EventDate "2023.09.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "6"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Nc6 6. Qf4 g6 7. Bd2 Bf5 8. Bb5 Qb6 9. c4 dxc4 10. Qxc4 Rd8 11. Be3 Qc7 12. Nd4 Qxe5 13. Nxc6 bxc6 14. Bxc6+ Bd7 15. 0-0 Qc7 16. Bxd7+ Rxd7 17. Qa4 Bg7 18. Nc3 Nf6 19. Rfd1 0-0 20. Rxd7 Qxd7 21. Qxd7 Nxd7 22. Bxa7 Ra8 23. Be3 Rb8 24. Nd1 Ne5 25. a4 Nc4 26. a5 Kf8 27. a6 Ke8 28. a7 Ra8 29. Bc5 Kd7 30. Rc1 Nxb2 31. Rb1 Nxd1 32. Rb8 Rxa7 33. Bxa7 h5 34. Rb4 Nc3 35. Kf1 Nd5 36. Rc4 Be5 37. g3 Bd6 38. Rc1 Nf6 39. h4 Nd5 40. Ke2 Ke6 41. Kd3 Nf6 42. Bc5 Bxc5 43. Rxc5 Ng4 44. f3 Ne5+ 45. Ke4 f6 46. Ra5 Nc4 47. Ra6+ Nd6+ 48. Kf4 Kf7 49. Ra7 Nb5 50. Rd7 Nd4 51. g4 Ne6+ 52. Ke3 Ng7 53. Ra7 g5 54. hxg5 fxg5 55. Ke4 hxg4 56. fxg4 Kf6 57. Ra6+ Kf7 58. Ke5 e6 1-0

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.23"]
[Round "9"]
[White "Bora, Safal"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2476"]
[BlackElo "2370"]
[PlyCount "127"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Nfd2 h5 7. h4 g6 8. a4 Bh6 9. Nc3 Ng4 10. Ke1 Be6 11. Nf3 Bxc1 12. Rxc1 f6 13. Be2 Nd7 14. Nd4 Bf7 15. f3 Nh6 16. a5 e5 17. Nb3 Ke7 18. Kf2 Be6 19. Nd2 Nf7 20. Bc4 Bxc4 21. Nxc4 Nc5 22. b4 Ne6 23. Rhd1 a6 24. Na4 Rad8 25. Ncb2 Rxd1 26. Rxd1 Rd8 27. Rxd8 Kxd8 28. Nd3 Nd6 29. c3 Ke7 30. Ke3 Nc4+ 31. Ke2 Nd6 32. g3 Kf7 33. Ndc5 Ke7 34. Nxe6 Kxe6 35. Nc5+ Ke7 36. g4 Kf7 37. Kf2 Ke7 38. Kg3 Kf7 39. g5 f5 40. exf5 Nxf5+ 41. Kf2 Nd6 42. Ke3 Ke7 43. f4 exf4+ 44. Kxf4 Kf7 45. Ke5 Ke7 46. Kd4 Nf5+ 47. Ke4 Nd6+ 48. Ke5 Nf7+ 49. Kd4 Nd6 50. Nd3 Nf5+ 51. Kc5 Nxh4 52. Kb6 Nf5 53. Nf4 Nd6 54. Nxg6+ Kd8 55. Nh4 Kc8 56. g6 Ne8 57. Nf5 Nf6 58. g7 Kb8 59. Kc5 Kc7 60. Kd4 Ng8 61. Ke5 Kd7 62. c4 h4 63. Nxh4 Ke7 64. Nf5+ 1-0

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.22"]
[Round "7"]
[White "Galyas, Miklos"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2472"]
[BlackElo "2370"]
[PlyCount "43"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Nh5 7. Bg5 f6 8. Bh4 g6 9. Be2 cxd4 10. cxd4 Bd6 11. 0-0 0-0 12. Rc1 Bd7 13. Nb3 b6 14. Bb5 Nb4 15. Bxd7 Qxd7 16. a3 Nc6 17. Nbd2 Ne7 18. e4 g5 19. Bg3 Nxg3 20. hxg3 dxe4 21. Nxe4 Rad8 22. Nxd6 1/2-1/2

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.22"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2370"]
[BlackElo "2451"]
[PlyCount "53"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Na6 6. a3 Qd5 7. Nxf6+ gxf6 8. g3 Bh6 9. Bg2 Qe6 10. d4 Bxc1 11. Rxc1 Qxe2+ 12. Kxe2 0-0 13. h3 Nc7 14. c4 Be6 15. Rhd1 Rfd8 16. Ke3 b5 17. b3 Rab8 18. Nd2 bxc4 19. bxc4 Rb6 20. Ne4 Na6 21. Bf1 Rb3+ 22. Rc3 Rb2 23. Rdc1 Bf5 24. R1c2 Rb1 25. Rc1 Rb2 26. R1c2 Rb1 27. Rc1 1/2-1/2

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.21"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Ben Ari, Yannay"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2370"]
[BlackElo "2432"]
[PlyCount "225"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Nxd4 Ngf6 6. 0-0 a6 7. Bd3 Nc5 8. Re1 e5 9. Nf3 Be6 10. c4 Rc8 11. b3 Be7 12. Nc3 Qa5 13. Bb2 0-0 14. Bf1 b5 15. Nd2 Rfd8 16. a3 Qb6 17. b4 bxc4 18. Nxc4 Qb8 19. bxc5 Rxc5 20. Na4 Rxc4 21. Bxc4 Bxc4 22. Qd2 d5 23. exd5 Rxd5 24. Qc1 Bb3 25. Nc3 Rd3 26. Rb1 Bc5 27. Nd1 Ne4 28. Ne3 Bxe3 29. Rxe3 Rd1+ 30. Qxd1 Bxd1 31. Rxd1 Nxf2 32. Rb3 Qf8 33. Kxf2 Qc5+ 34. Re3 h5 35. Rd2 f6 36. Bc3 Qxa3 37. Bxe5 Qb4 38. Rb2 Qc5 39. Bc3 a5 40. Rb7 a4 41. Rb8+ Kh7 42. Rb2 a3 43. Rd2 h4 44. Bd4 Qb4 45. Red3 a2 46. Rxa2 Qb8 47. g3 h3 48. Rad2 Kg6 49. Rf3 Qb4 50. Be3 Kf7 51. Rd7+ Ke6 52. Rd4 Qb8 53. Bf4 Qb6 54. Be3 Qb8 55. Rd2 Qb4 56. Re2 Kf7 57. Bd2 Qd4+ 58. Be3 Qb4 59. Rf4 Qb1 60. Re1 Qc2+ 61. Re2 Qd1 62. Re1 Qc2+ 63. Re2 Qb1 64. Bd4 Qh1 65. Ke3 Qc1+ 66. Kf2 Qh1 67. Ke3 Qc1+ 68. Rd2 Qe1+ 69. Kd3 Qb1+ 70. Kc3 Qc1+ 71. Rc2 Qa3+ 72. Kd2 Qa5+ 73. Bc3 Qa3 74. Rd4 Kg6 75. Rb2 Qa6 76. Rf4 Qc6 77. Bd4 Qh1 78. Kc3 Qc6+ 79. Kd3 Qc8 80. Bc3 Qa6+ 81. Rc4 Qe6 82. g4 Qd5+ 83. Rd4 Qc6 84. Re4 Qd5+ 85. Rd4 Qc6 86. Rf2 Qe6 87. Re2 Qa6+ 88. Ke3 Qc6 89. Kd2 Qf3 90. Rd3 Qf1 91. Rg3 Kg5 92. Bd4 Kh4 93. Bf2 Kg5 94. Be3+ Kh4 95. g5 Qa1 96. gxf6 gxf6 97. Rf2 Qb2+ 98. Ke1 Qb1+ 99. Kd2 Qb2+ 100. Kd3 Qb3+ 101. Kd4 Qb4+ 102. Kd5 Qb3+ 103. Kd6 Qd3+ 104. Ke6 Qc4+ 105. Ke7 Qc7+ 106. Ke8 Qc8+ 107. Kf7 Qd7+ 108. Kg6 Qe8+ 109. Kg7 Qe7+ 110. Kh6 Qf8+ 111. Rg7 Qh8+ 112. Rh7 Qf8+ 113. Kg6+ 1-0

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.20"]
[Round "5"]
[White "Nagy, Gabor"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2448"]
[BlackElo "2370"]
[PlyCount "10"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. c4 dxc4 1/2-1/2

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.20"]
[Round "4"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Gaal, Zsoka"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2370"]
[BlackElo "2308"]
[PlyCount "172"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. 0-0 Be7 7. h3 Be6 8. Re1 f6 9. d4 Ne3 10. Bxe3 Bxc4 11. Nbd2 Bf7 12. dxe5 fxe5 13. Ne4 0-0 14. Qe2 Kh8 15. Rad1 Qc8 16. Nfg5 Bg8 17. Ng3 h6 18. N5e4 b6 19. b3 Qe6 20. Rd2 Nb4 21. c3 Nd5 22. Red1 Nf4 23. Qg4 Qxg4 24. hxg4 Be6 25. f3 g6 26. Ne2 Nxe2+ 27. Rxe2 Kg7 28. Bf2 Rfd8 29. Rde1 a5 30. Bg3 Bd6 31. Rd2 Kf7 32. Red1 Ke7 33. c4 a4 34. Bf2 Bb4 35. Rxd8 Rxd8 36. Rxd8 Kxd8 37. Bg3 Bd6 38. Kf2 Kd7 39. Ke3 Kc6 40. Kd3 b5 41. Kc3 Bf7 42. Bf2 Bf8 43. Bg3 Bg7 44. Kd3 bxc4+ 45. bxc4 Be6 46. Be1 Bf8 47. Bc3 Bd6 48. Bd2 Bf8 49. Be3 Bf7 50. Nc3 a3 51. Bc1 h5 52. gxh5 gxh5 53. Ne4 Be7 54. Kc3 Be6 55. Kb3 h4 56. Bd2 h3 57. gxh3 Bxh3 58. Bb4 Bxb4 59. Kxb4 Bf1 60. Ng5 Kd6 61. Ne4+ Kc6 62. Nd2 Be2 63. Kc3 Kb6 64. Kb4 Kc6 65. Kb3 Kc5 66. Kc3 Kb6 67. Kb4 Kc6 68. Kb3 Kc5 69. Kc3 Bd1 70. Ne4+ Kb6 71. Ng5 Kc5 72. Nf7 Bxf3 73. Nxe5 Be2 74. Nd7+ Kd6 75. Nf6 Bf3 76. Kb4 Ke5 77. Ne8 c6 78. Kxa3 c5 79. Kb3 Kd4 80. Nd6 Bd1+ 81. Kb2 Be2 82. Kb3 Bd1+ 83. Kb2 Be2 84. Nb7 Bxc4 85. Nxc5 Bxa2 86. Kxa2 Kxc5 1/2-1/2

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "3"]
[White "Ashraf, Artin"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2340"]
[BlackElo "2370"]
[PlyCount "55"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. c4 e6 4. g3 Ne7 5. Bg2 d5 6. 0-0 0-0 7. Nc3 Nbc6 8. e3 a5 9. b3 b6 10. Re1 Ba6 11. cxd5 exd5 12. Ba3 Re8 13. Rc1 Nb4 14. Bf1 Bxf1 15. Rxf1 c6 16. Ne2 Qd7 17. Qd2 Nf5 18. Bxb4 axb4 19. Rc2 Qd6 20. Rfc1 Rac8 21. Nf4 f6 22. Nd3 Bf8 23. Nfe1 h5 24. Nf4 Kf7 25. Ned3 h4 26. Qd1 Be7 27. Nxg6 Nxe3 28. Qh5 1-0

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "8"]
[White "Erzhanov, Arman"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2175"]
[BlackElo "2370"]
[PlyCount "93"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. Nf3 a6 5. Be2 Nxd5 6. d4 b5 7. 0-0 e6 8. a4 Rb8 9. axb5 axb5 10. Na3 c6 11. c3 Be7 12. Nc2 0-0 13. Ne3 Nf4 14. Re1 Nxe2+ 15. Qxe2 Bb7 16. b4 Bd6 17. Ng4 Qc7 18. Bg5 Rbe8 19. Bh4 f6 20. Bg3 Nb6 21. Ra7 Bxg3 22. hxg3 Qb8 23. Rea1 Na4 24. R7xa4 bxa4 25. Rxa4 Qd6 26. Ra5 Bc8 27. Ne3 Qc7 28. Nc4 Bd7 29. Qa2 Rb8 30. Nfd2 Rb5 31. Ra7 Rb7 32. Ra5 Rb5 33. Ra7 Rb7 34. Ra6 c5 35. dxc5 Bc6 36. Nd6 Bd5 37. c4 Rxb4 38. cxd5 e5 39. Rc6 Qe7 40. Nf5 Qf7 41. Re6 Rfb8 42. Re7 Qh5 43. d6+ Kh8 44. Nxg7 Qd1+ 45. Kh2 Rb2 46. Qf7 Qxd2 47. Nf5 1-0

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "7"]
[White "Gutierrez Olivares, Daniel"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2354"]
[BlackElo "2370"]
[PlyCount "68"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. b3 d5 4. Bb2 e6 5. c4 Ne7 6. e3 0-0 7. Nc3 c5 8. Be2 Nbc6 9. a3 cxd4 10. exd4 dxc4 11. bxc4 Nxd4 12. 0-0 Nef5 13. Bd3 Nxf3+ 14. Qxf3 Nd4 15. Qe3 Bd7 16. Be4 Bc6 17. Rfd1 Qb6 18. Rab1 Rfd8 19. Ba1 Qc7 20. Nb5 Nxb5 21. Bxg7 Kxg7 22. Bxc6 bxc6 23. cxb5 Rxd1+ 24. Rxd1 cxb5 25. Rc1 Qd6 26. h4 Rd8 27. Qxa7 Qf4 28. Re1 Qxh4 29. Qb6 Rd5 30. Qc7 Qf6 31. Rb1 h5 32. Qc6 Qf5 33. Qc3+ Kh7 34. a4 Qxb1+ 0-1

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "2"]
[White "Korchagina, Alena"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2076"]
[BlackElo "2370"]
[PlyCount "120"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 e6 4. d4 Ne7 5. e4 d5 6. cxd5 exd5 7. e5 0-0 8. h4 Bg4 9. h5 Bxh5 10. Rxh5 gxh5 11. Ng5 h6 12. Nh3 Ng6 13. Qxh5 Qh4 14. Qxh4 Nxh4 15. Nxd5 Nc6 16. Be3 Rad8 17. Nhf4 Nf5 18. Rd1 Rd7 19. Bc4 Rfd8 20. g4 Nxe3 21. fxe3 Na5 22. b3 b5 23. Bxb5 Rxd5 24. Nxd5 Rxd5 25. Be2 Bf8 26. Bf3 Rd8 27. Rc1 Rd7 28. Ke2 Ba3 29. Rc2 Kf8 30. Kd3 Ke7 31. Rh2 c5 32. Rxh6 cxd4 33. exd4 Bb2 34. Ra6 Nb7 35. Bxb7 Rxb7 36. Kc4 Rc7+ 37. Kd3 Rd7 38. Ke4 Rxd4+ 39. Kf5 Rd7 40. g5 Bd4 41. b4 Bb6 42. a3 Rd4 43. b5 Rd3 44. Ra4 Rd5 45. Rh4 Rxb5 46. Rh7 Bd4 47. g6 Rxe5+ 48. Kf4 Re6 49. Rxf7+ Kd6 50. Rb7 Rxg6 51. Kf3 Bb6 52. Ke2 Re6+ 53. Kd3 Re3+ 54. Kc4 Rxa3 55. Rb8 Ra5 56. Kb3 Rb5+ 57. Ka2 Kc6 58. Rh8 Bc7 59. Rh6+ Bd6 60. Rh4 a5 0-1

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "5"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2611"]
[BlackElo "2370"]
[PlyCount "97"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Qxd5 6. Qxd5 Nxd5 7. c3 e5 8. d3 Nc6 9. Nd2 0-0-0 10. Nf3 f5 11. Be2 Be7 12. 0-0 Rhe8 13. Re1 Bf6 14. Bf1 h6 15. Bd2 e4 16. dxe4 fxe4 17. Nh2 Ndb4 18. Re2 Nd3 19. Rb1 Nce5 20. b3 Ng6 21. Ng4 Ndf4 22. Bxf4 Nxf4 23. Rc2 Be7 24. b4 h5 25. Ne3 Bf6 26. Bc4 Nd3 27. Rd1 c6 28. a3 Ne5 29. Re1 Nxc4 30. Nxc4 Rd3 31. Re3 Kc7 32. Kf1 b5 33. Nd2 Rxe3 34. fxe3 a6 35. Ke2 Re7 36. c4 Kd6 37. Rc1 Kd7 38. Rd1 Kc7 39. Rc1 Re6 40. Nb3 Re7 41. Nc5 Be5 42. Nxa6+ Kb6 43. Nc5 bxc4 44. Rxc4 Ra7 45. a4 Bg3 46. Nxe4 Be5 47. a5+ Kb5 48. Rc5+ Kxb4 49. Rxe5 1-0

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Dogan, Ali Ekber"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2370"]
[BlackElo "2182"]
[PlyCount "82"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 d5 4. e3 h6 5. Bh4 Bd6 6. Bd3 Nbd7 7. Ngf3 Qe7 8. e4 dxe4 9. Nxe4 g5 10. Nxd6+ Qxd6 11. Bg3 Qb4+ 12. Qd2 Qxd2+ 13. Kxd2 c5 14. Rhe1 cxd4 15. Nxd4 0-0 16. Rad1 Nc5 17. Kc1 Nxd3+ 18. Rxd3 Rd8 19. Be5 Ng4 20. Bc7 Rd7 21. Bg3 b6 22. f3 Nf6 23. h4 Ba6 24. Rd2 Rad8 25. c3 Nh5 26. Bh2 gxh4 27. Re4 Ng3 28. Bxg3 hxg3 29. Rg4+ Kf8 30. Rxg3 e5 31. Nb3 Rxd2 32. Nxd2 Bd3 33. Rh3 Kg7 34. g4 f5 35. gxf5 Bxf5 36. Rg3+ Kf6 37. Nc4 Rd3 38. Nd2 e4 39. Rg8 e3 40. Ne4+ Bxe4 41. fxe4 Ke5 0-1

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Hoffmann, Asa"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2370"]
[BlackElo "2185"]
[PlyCount "67"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nc3 a6 4. f4 d5 5. e5 h5 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. g3 g6 10. Be3 Qa5 11. 0-0-0 c5 12. dxc5 Bxc5 13. Kb1 Bxe3 14. Qxe3 Nc6 15. Ne2 Nge7 16. Nd4 Nxd4 17. Qxd4 Nf5 18. Qf2 Rc8 19. Bd3 Qc5 20. Qf3 Qe3 21. Rhf1 Qxf3 22. Rxf3 Ke7 23. c3 Rc5 24. a3 b5 25. Rc1 Rb8 26. g4 hxg4 27. hxg4 Ng7 28. Rh3 a5 29. b4 axb4 30. axb4 Rcc8 31. Rh7 Rg8 32. Kb2 Ne8 33. Ra1 Nc7 34. Ra7 1-0

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.19"]
[Round "3"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Nandhidhaa, PV."]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2370"]
[BlackElo "2316"]
[PlyCount "63"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 Nd4 6. Nxd4 cxd4 7. c3 a6 8. Bf1 Nc6 9. b4 Be7 10. a4 0-0 11. Na3 dxc3 12. dxc3 Bf6 13. Bd2 d5 14. exd5 exd5 15. b5 axb5 16. Nxb5 Na7 17. Nxa7 Rxa7 18. Be3 Ra8 19. Bd4 Be6 20. Bb5 Rc8 21. Re3 Qe7 22. h3 Rfd8 23. Rb1 Bxd4 24. Qxd4 Qc5 25. Rd1 Qxd4 26. Rxd4 Rc5 27. c4 Rf8 28. cxd5 Rxd5 29. Rxd5 Bxd5 30. Re7 Rd8 31. Rc7 g6 32. f3 1/2-1/2

[Event "Titled Tuesday intern op 19th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.19"]
[Round "4"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Radivojevic, Ivan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2370"]
[BlackElo "2357"]
[PlyCount "69"]
[EventDate "2023.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d6 3. Bxf6 exf6 4. e3 g6 5. g3 Bg7 6. Bg2 c6 7. Ne2 0-0 8. 0-0 f5 9. c4 Re8 10. Nbc3 Nd7 11. b4 Qc7 12. b5 Nf6 13. a4 h5 14. Qd3 h4 15. a5 hxg3 16. hxg3 a6 17. bxc6 bxc6 18. Rfb1 Ng4 19. Rb6 Bd7 20. Rab1 Ra7 21. Bf3 Bh6 22. Nf4 Bxf4 23. exf4 Kg7 24. Na2 Nf6 25. Nb4 c5 26. dxc5 Qxc5 27. Qxd6 Qxa5 28. Qxf6+ Kg8 29. Nd5 Be6 30. Rxe6 fxe6 31. Qxg6+ Kf8 32. Nf6 Qd8 33. Bh5 a5 34. Qg8+ Ke7 35. Qg7+ 1-0

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.19"]
[Round "2"]
[White "Pajeken, Jakob Leon"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2423"]
[BlackElo "2370"]
[PlyCount "80"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Ne5 Bf5 4. c4 f6 5. Nf3 dxc4 6. Bg2 Nc6 7. b3 Nd4 8. Nxd4 Qxd4 9. Nc3 c6 10. Bb2 cxb3 11. axb3 Rd8 12. d3 e5 13. 0-0 a6 14. Qc2 Qa7 15. Na4 Nh6 16. Bc1 Nf7 17. Be3 Qb8 18. Bb6 Rc8 19. f4 exf4 20. Rxf4 Bg6 21. Qc4 Be7 22. Nc5 Ne5 23. Qc3 Bxc5+ 24. Bxc5 b6 25. Ba3 c5 26. d4 cxd4 27. Qb4 Qa7 28. Rxd4 Bf5 29. Rad1 b5 30. Kh1 Kf7 31. g4 Be6 32. Rd7+ Bxd7 33. Qe7+ Kg6 34. Be4+ Kh6 35. g5+ fxg5 36. Qxe5 Rhe8 37. Be7 Qe3 38. h4 gxh4 39. Rf1 Qh3+ 40. Kg1 Qg3+ 0-1

[Event "Budapest SixDays 09 GM-A"]
[Site "Budapest"]
[Date "2023.09.18"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Wong, Yinn Long"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2370"]
[BlackElo "2371"]
[PlyCount "133"]
[EventDate "2023.09.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "7"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Qc7 5. d3 e6 6. Bxc6 Qxc6 7. e5 Ng8 8. 0-0 Ne7 9. Re1 b6 10. Ne4 Ng6 11. h4 h5 12. Bg5 Bb7 13. Qd2 Qc7 14. Qc3 Bxe4 15. Rxe4 Be7 16. Rae1 Rf8 17. Bxe7 Nxe7 18. Qd2 f6 19. exf6 gxf6 20. d4 Kf7 21. c4 cxd4 22. Rxd4 Rad8 23. Qe2 Nf5 24. Re4 Ng7 25. Nd4 a6 26. b3 e5 27. Nf3 Ne6 28. g3 Rh8 29. Rd1 b5 30. Rd5 bxc4 31. Rxc4 Qb7 32. Qe4 d6 33. Rc1 Nc5 34. Rcxc5 dxc5 35. Nxe5+ fxe5 36. Qf5+ Ke7 37. Qxe5+ Kf7 38. Qf5+ Kg7 39. Qg5+ Kf7 40. Rxd8 Rxd8 41. Qxd8 c4 42. Qd4 cxb3 43. Qc4+ Kg6 44. axb3 Kg7 45. b4 Kg6 46. Qg8+ Kf6 47. Qg5+ Ke6 48. Qg6+ Kd5 49. Qxh5+ Kc4 50. Qg4+ Kb3 51. h5 Qc6 52. Qf4 Ka4 53. h6 Qg6 54. Kg2 Qc6+ 55. Kh2 Qg6 56. g4 Kb3 57. Kg2 Kc3 58. Kg3 Kb3 59. Qf8 Ka4 60. Qf4 Qb1 61. Kg2 Qg6 62. b5+ Ka5 63. bxa6 Kxa6 64. g5 Ka5 65. Qe5+ Kb4 66. Kg3 Ka3 67. Qe7+ 1-0

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "1"]
[White "Andrews, Todd D"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2149"]
[BlackElo "2370"]
[PlyCount "69"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4 e6 7. Nc3 exd5 8. cxd5 a6 9. Bd3 Bxd3 10. Qxd3 Bd6 11. Nge2 0-0 12. 0-0 Nb6 13. Bg5 Be7 14. Nf4 h6 15. Bxf6 Bxf6 16. a4 Qd6 17. Nh5 Be7 18. Qe4 Rfe8 19. a5 Nd7 20. Qg4 Bf6 21. Rad1 g6 22. Ne4 Qe7 23. Qxd7 gxh5 24. Qf5 Bg7 25. Qxh5 Qb4 26. Qg4 Kf8 27. Nc5 Rad8 28. Kh1 Qb5 29. Rfe1 Rxe1+ 30. Rxe1 b6 31. Ne4 Qxd5 32. Qf4 Qxd4 33. Qxc7 bxa5 34. h3 Qd2 35. Nxd2 1-0

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "7"]
[White "Beerdsen, Thomas"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2511"]
[BlackElo "2370"]
[PlyCount "115"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. h3 Bg7 7. Bc4 0-0 8. 0-0 Nc6 9. Nf3 Bd7 10. Qe2 Rc8 11. Bg5 a6 12. Rad1 Na5 13. Bb3 Nxb3 14. cxb3 h6 15. Bxf6 Bxf6 16. e5 Bg7 17. exd6 exd6 18. Rxd6 Qc7 19. Rfd1 Bc6 20. Nd5 Bxd5 21. R6xd5 Rfe8 22. Qd2 Qc2 23. Qf4 Qxb2 24. Rd7 Rf8 25. Rxb7 Qxa2 26. Rdd7 Qa1+ 27. Kh2 Qf6 28. Qa4 Rc3 29. Qe4 Rc5 30. g4 Rc3 31. Kg2 Rc6 32. Qd5 Rc2 33. b4 Rb2 34. Qc4 Rb1 35. Rbc7 Rb2 36. Rc6 Rxb4 37. Qd5 Qb2 38. Rxg6 Rb5 39. Qc4 Rb4 40. Rxg7+ Kxg7 41. Qc6 Qf6 42. Qc5 Rf4 43. Qe3 Rc8 44. Ne5 Rc2 45. Rxf7+ Qxf7 46. Nxf7 Rcxf2+ 47. Kg3 R2f3+ 48. Qxf3 Rxf3+ 49. Kxf3 Kxf7 50. h4 Kf6 51. Ke4 a5 52. Kd5 a4 53. g5+ hxg5 54. hxg5+ Kxg5 55. Kc4 Kf5 56. Kb4 Ke5 57. Ka3 Kd5 58. Kxa4 1/2-1/2

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "3"]
[White "Fazulyanov, Sergey"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2350"]
[BlackElo "2370"]
[PlyCount "106"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. h3 Qh5 7. c4 0-0-0 8. Be3 e5 9. d5 e4 10. Nd4 Bxe2 11. Qxe2 Bb4+ 12. Nc3 Bxc3+ 13. bxc3 Qxe2+ 14. Kxe2 Ne5 15. Nf5 Nxc4 16. Nxg7 Nxd5 17. Bd4 Nf4+ 18. Kf1 Rhg8 19. g3 Nd2+ 20. Ke1 Nf3+ 21. Kf1 Nxd4 22. gxf4 Rxg7 23. cxd4 Rxd4 24. Ke2 c5 25. Rhg1 Rg6 26. h4 Kd7 27. h5 Rf6 28. Ke3 h6 29. Rg7 b6 30. Rag1 Ke7 31. Rh7 Ra4 32. Rgg7 Ra3+ 33. Kxe4 Rxa2 34. Rg6 Ra4+ 35. Ke3 Raxf4 36. Rgxh6 Rf3+ 37. Ke4 Rxf2 38. Rxf6 Kxf6 39. Rh8 Rh2 40. Kd5 Kg7 41. Ra8 Rxh5+ 42. Kc6 Rh6+ 43. Kb5 Re6 44. Rxa7 Kg6 45. Kc4 f5 46. Kd5 Kf6 47. Rh7 Re1 48. Rh6+ Kg5 49. Rxb6 f4 50. Kxc5 f3 51. Rb8 f2 52. Rg8+ Kh6 53. Rf8 f1Q 0-1

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Dudzinski, Pawel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2370"]
[BlackElo "2186"]
[PlyCount "81"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 0-0 6. Bg2 c6 7. Ne2 Bg4 8. 0-0 Qb6 9. b3 a5 10. c4 dxc4 11. bxc4 Qb2 12. Nd2 Bb4 13. Nf3 Na6 14. Qd3 Qa3 15. Qxa3 Bxa3 16. Rab1 Rab8 17. c5 b5 18. cxb6 Be7 19. Nc3 Nb4 20. a3 Nd5 21. Nxd5 cxd5 22. Rb5 Bxa3 23. Rxa5 Be7 24. Rb1 Bd8 25. Rab5 Bd7 26. Rxd5 Bc6 27. Rc5 Be4 28. Rb2 Rxb6 29. Rcb5 Rc6 30. h4 Rc1+ 31. Kh2 f5 32. Ne5 f6 33. Nd7 Re8 34. Nc5 Bc7 35. Rb7 Bd6 36. Nxe4 fxe4 37. Rd7 Bf8 38. d5 Rd1 39. Bh3 g6 40. Be6+ Kh8 41. Rbb7 1-0

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Hong, Andrew Z"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2370"]
[BlackElo "2539"]
[PlyCount "54"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Bb5 7. dxc5 Bxc5 8. b4 Bf8 9. 0-0 Ne7 10. Be3 Qa6 11. Bxb5+ Qxb5 12. Na3 Qa6 13. Qb3 Nf5 14. c4 Nd7 15. cxd5 exd5 16. Qxd5 Nxe3 17. fxe3 Qxa3 18. Nd4 0-0-0 19. Nb5 Qxe3+ 20. Kh1 Qxe5 21. Nxa7+ Kb8 22. Nc6+ bxc6 23. Qxc6 Qc7 24. Qb5+ Qb7 25. Qa4 Bd6 26. Rxf7 Rhf8 27. Rxg7 Be5 0-1

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "2"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Ozen, Batuhan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2370"]
[BlackElo "2128"]
[PlyCount "39"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 d6 6. Nxd4 cxd4 7. Ne2 e5 8. c3 d5 9. cxd4 dxe4 10. Bxe4 exd4 11. 0-0 Nf6 12. Bf3 Bd6 13. Qa4+ b5 14. Qxd4 Rb8 15. Bc6+ Kf8 16. Bf3 Bb7 17. Bxb7 Rxb7 18. d3 Re7 19. Be3 Ng4 20. Qxg4 1-0

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "4"]
[White "Pasti, Aron"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2372"]
[BlackElo "2370"]
[PlyCount "117"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 h5 8. Bc4 Bg7 9. Qd2 Bd7 10. 0-0-0 Na5 11. Bb3 Rb8 12. Kb1 b5 13. Nd5 Nc4 14. Qe2 Nxd5 15. exd5 Nxe3 16. Qxe3 a5 17. Nc6 Bxc6 18. dxc6 a4 19. Bd5 0-0 20. Rhe1 e6 21. Bxe6 fxe6 22. Qxe6+ Kh7 23. Rxd6 Qg5 24. c7 Rbc8 25. Rd7 Qxg2 26. Qe7 Rg8 27. Rd8 Qxf3 28. Rxg8 Rxg8 29. Qd8 Qf6 30. Qxg8+ Kxg8 31. c8Q+ Kh7 32. Qc3 Qxc3 33. bxc3 Bxc3 34. Re3 b4 35. a3 g5 36. axb4 Bxb4 37. Re4 Bd6 38. h3 a3 39. c4 Kg7 40. Re6 Bb4 41. Rb6 Be7 42. Rb5 Kf6 43. Rd5 g4 44. Rxh5 g3 45. Rh4 Ke5 46. Rg4 Bc5 47. Rxg3 Kd4 48. Rg4+ Kc3 49. Ka2 Kb4 50. h4 Be3 51. h5 Bd2 52. Rh4 Bh6 53. Rg4 Bd2 54. Rg6 Kxc4 55. h6 Kb4 56. h7 Bc3 57. Rg8 Kb5 58. h8Q Bxh8 59. Rxh8 1-0

[Event "Titled Tuesday intern op 12th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "6"]
[White "Tifferet, Shaked"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2280"]
[BlackElo "2370"]
[PlyCount "84"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. c3 0-0 7. d4 Nc6 8. d5 Ne5 9. h3 b5 10. a4 bxa4 11. f4 Nc4 12. Rxa4 Nb6 13. Ra2 a5 14. e5 Ne8 15. e6 fxe6 16. dxe6 Bxe6 17. Bxa8 Qxa8 18. Ra3 Bxh3 19. Rf2 Be6 20. Nd2 Nf6 21. Nf1 Ng4 22. Be3 Nc4 23. Qd3 Ncxe3 24. Nxe3 Qh1+ 25. Kxh1 Nxf2+ 26. Kg2 Nxd3 27. Rxa5 Nxb2 28. Ra7 Nc4 29. Rxe7 Nxe3+ 30. Kf3 Bg4+ 31. Kxe3 Bxe2 32. Kxe2 Bxc3 33. Rd7 Rf6 34. Kd3 Be1 35. g4 Rxf4 36. g5 Rd4+ 37. Ke2 Bd2 38. Rd8+ Kf7 39. Rd7+ Ke6 40. Rxh7 Bxg5 41. Rg7 Kf5 42. Rf7+ Bf6 0-1

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "3"]
[White "Kanyamarala, Tarun"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2344"]
[BlackElo "2368"]
[PlyCount "75"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 b5 2. e4 a6 3. d4 Bb7 4. Bd3 e6 5. a4 b4 6. 0-0 c5 7. dxc5 Bxc5 8. b3 Ne7 9. Bb2 0-0 10. Nbd2 Nbc6 11. Nc4 d5 12. exd5 Qxd5 13. Re1 Rad8 14. Qe2 Nd4 15. Bxd4 Bxd4 16. Rad1 f5 17. Qxe6+ Qxe6 18. Rxe6 Bxf3 19. gxf3 Ng6 20. Rd6 Bc5 21. Rxa6 Nf4 22. Kf1 Nh3 23. Ne3 Nxf2 24. Kxf2 f4 25. Ke2 fxe3 26. Rc6 Bd4 27. Bc4+ Kh8 28. Re6 g6 29. Re4 Bc5 30. Rxd8 Rxd8 31. Bd3 Kg7 32. Rc4 Rd5 33. a5 Rh5 34. h4 Kf6 35. a6 Re5 36. Be4 Ke7 37. Rxc5 Rxc5 38. a7 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "7"]
[White "Mazurkiewicz, Michal"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2145"]
[BlackElo "2368"]
[PlyCount "50"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. c3 Nge7 10. Be3 0-0 11. Qd1 Rc8 12. d4 cxd4 13. cxd4 d5 14. e5 Nf5 15. Nc3 f6 16. exf6 Qxf6 17. Bf4 Nfxd4 18. h4 Rce8 19. Re1 h6 20. Qd2 Kh7 21. b4 Nf3+ 22. Bxf3 Qxc3 23. Qd1 Qxa1 24. Qxa1 Bxa1 25. Rxa1 e5 0-1

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "2"]
[White "Morris Suzuki, Alan H"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1652"]
[BlackElo "2368"]
[PlyCount "55"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 b6 2. c4 Bb7 3. Nc3 e6 4. e4 Bb4 5. Qc2 Ne7 6. d4 0-0 7. Bd3 f5 8. a3 Bxc3+ 9. bxc3 fxe4 10. Bxe4 Bxe4 11. Qxe4 Nbc6 12. Ng5 g6 13. h4 Qe8 14. h5 h6 15. hxg6 hxg5 16. g7 Rf5 17. Rh8+ Kxg7 18. Rxe8 Rxe8 19. g4 Rf7 20. Bxg5 Ng6 21. Be3 Rh8 22. 0-0-0 Na5 23. d5 e5 24. d6 c6 25. c5 b5 26. Rh1 Rxh1+ 27. Qxh1 Nc4 28. Qh6+ 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "6"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Belli, Giorgio"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2368"]
[BlackElo "2164"]
[PlyCount "57"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 b6 3. Bb2 Bb7 4. Nc3 Nc6 5. f4 d6 6. Nf3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Nxc6 Bxc6 10. Bd3 Nf6 11. Qe2 Rc8 12. 0-0-0 Qc7 13. Kb1 0-0 14. Rhe1 Nd7 15. h4 Bxc3 16. Bxc3 Bxe4 17. Bb2 Bxd3 18. Rxd3 Nc5 19. Re3 Ne6 20. f5 Nf4 21. Qd2 Qc6 22. Rc3 Qxg2 23. Qxf4 Rxc3 24. Bxc3 Rc8 25. Qd4 f6 26. fxg6 e5 27. gxh7+ Kxh7 28. Qd3+ Kg7 29. Re3 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Colpe, Malte"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2368"]
[BlackElo "2381"]
[PlyCount "101"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. dxc5 Qa5+ 4. Nc3 Ne4 5. Qd3 Nxc3 6. Bd2 Qxc5 7. Bxc3 Nc6 8. e4 d6 9. f4 f5 10. Nf3 fxe4 11. Qxe4 Bf5 12. Qe2 Rc8 13. 0-0-0 Nb4 14. Qb5+ Qxb5 15. Bxb5+ Kd8 16. Kd2 Nxa2 17. Ba5+ b6 18. Nd4 bxa5 19. Nxf5 Rc5 20. Nd4 Nb4 21. Ne6+ Kc8 22. Nxc5 dxc5 23. c3 Nd5 24. f5 g6 25. fxg6 hxg6 26. Kc1 e6 27. Bc4 Ne3 28. Bxe6+ Kc7 29. Rd7+ Kb6 30. g3 Bh6 31. Kb1 Re8 32. Bf7 Re4 33. Bxg6 Re6 34. Bf7 Rf6 35. Re1 a4 36. Re7 Ka5 37. Rxa7+ Kb6 38. Re7 Kb5 39. Be8+ Kc4 40. R7xe3 Bxe3 41. Rxe3 Kb3 42. c4+ Kxc4 43. Bxa4 Kb4 44. Bc2 Rf1+ 45. Ka2 Rf2 46. Rb3+ Kc4 47. Bd3+ Kd4 48. Bb5 Rxh2 49. Rd3+ Ke4 50. Kb3 Rg2 51. Bc6+ 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "4"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Justo, Damian"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2368"]
[BlackElo "2251"]
[PlyCount "43"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. Qg4 c5 6. f4 Nc6 7. Nf3 f5 8. Qh3 Be7 9. Nc3 0-0 10. g4 fxg4 11. Qxg4 Nb6 12. Rg1 Rf7 13. 0-0-0 Qf8 14. Qh5 Rf5 15. Qh3 c4 16. Ne2 Rxf4 17. Nxf4 Qxf4 18. Be2 d4 19. Rg4 Qf5 20. Nxd4 Nxd4 21. Bxd4 Bd7 22. Rf1 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Wafa, Shrook"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2368"]
[BlackElo "2111"]
[PlyCount "145"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. f4 e6 6. Nf3 Nf6 7. d3 Be7 8. 0-0 0-0 9. Nbd2 a6 10. Bxc6 Bxc6 11. Qe1 b5 12. e5 dxe5 13. Nxe5 Bb7 14. Qg3 Qd5 15. Rae1 Rad8 16. Ne4 c4 17. bxc4 bxc4 18. Nxc4 Qf5 19. Ncd6 Rxd6 20. Nxd6 Bxd6 21. Re5 Bxe5 22. fxe5 Nh5 23. Qh4 Qg6 24. g4 f5 25. Qxh5 Qxh5 26. gxh5 Bd5 27. c4 Bc6 28. Kf2 Rb8 29. Bc3 Kf7 30. Ke3 g6 31. hxg6+ hxg6 32. h4 Rh8 33. Rf4 g5 34. hxg5 Kg6 35. Rd4 Rh3+ 36. Kd2 Rh2+ 37. Kc1 Rxa2 38. Rd6 Bf3 39. Bd2 Kf7 40. Rd7+ Ke8 41. Rd6 Ke7 42. g6 Bh5 43. Bg5+ Kf8 44. Rxe6 Kg7 45. Rd6 Bxg6 46. e6 Re2 47. e7 Kf7 48. c5 f4 49. Rf6+ Kg7 50. Rxf4 Bxd3 51. Rf8 Bb5 52. Bf6+ Kg6 53. Kd1 Re6 54. Bh4 Kh5 55. Rh8+ Kg6 56. Kd2 Kf7 57. Kc3 Re3+ 58. Kd4 Re2 59. Kd5 Rd2+ 60. Ke5 Re2+ 61. Kd6 Rd2+ 62. Kc7 Rc2 63. Rf8+ Kg7 64. Kb6 Re2 65. Bf6+ Kg6 66. Bh4 Re6+ 67. Kb7 Kg7 68. Kc7 Kg6 69. Kb7 Kg7 70. Rc8 Kf7 71. c6 Bc4 72. Rf8+ Kg7 73. e8Q 1-0

[Event "Titled Tuesday intern op 29th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.29"]
[Round "5"]
[White "Seletsky, Grigory"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2220"]
[BlackElo "2368"]
[PlyCount "107"]
[EventDate "2023.08.29"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Nf6 4. Ng3 h5 5. h3 h4 6. N3e2 c5 7. d4 Nc6 8. Nf3 e6 9. c3 Qb6 10. Qb3 Ne4 11. Be3 Bd7 12. 0-0-0 Qxb3 13. axb3 0-0-0 14. Ng5 Nxg5 15. Bxg5 f6 16. Be3 cxd4 17. Nxd4 Nxd4 18. Bxd4 b6 19. Ba6+ Kc7 20. Be3 Be7 21. b4 Bc6 22. f3 Bd5 23. Kc2 Bd6 24. Bd3 g5 25. Rd2 Bf4 26. Re1 e5 27. Be4 Bc4 28. Bd3 Be6 29. b5 Rd7 30. c4 Rhd8 31. Bxf4 gxf4 32. b3 Rd4 33. Ree2 Kd6 34. Kc3 Ke7 35. Bc2 Rxd2 36. Rxd2 Rxd2 37. Kxd2 Kd6 38. Kc3 Bd7 39. b4 Bc8 40. Be4 Be6 41. Bd3 Bc8 42. Be4 Be6 43. Bd3 Bd7 44. Be4 Bc8 45. Bd3 a6 46. bxa6 Bxa6 47. c5+ bxc5 48. Bxa6 cxb4+ 49. Kxb4 Kd5 50. Kc3 f5 51. Bb7+ Kc5 52. Kd3 Kd6 53. Bc8 Kd5 54. Bxf5 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.08.01"]
[Round "9"]
[White "Guo, Andrew"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2321"]
[BlackElo "2356"]
[PlyCount "73"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. b3 a5 10. Bc3 b5 11. Ne5 Nxe5 12. dxe5 Nd7 13. cxb5 cxb5 14. e4 Nb6 15. Bd4 Bb7 16. Rd1 Rc8 17. Qe2 dxe4 18. Nc3 b4 19. Nxe4 Nd5 20. Qd2 Rc7 21. Rac1 Rxc1 22. Rxc1 Qd7 23. Bc5 Rc8 24. Bxe7 Rxc1+ 25. Qxc1 Qxe7 26. Qc4 Qc7 27. Nd6 Bc6 28. Bxd5 exd5 29. Qc5 Qd7 30. Qxa5 d4 31. Qxb4 h6 32. Qb8+ Kh7 33. Qc8 Qxc8 34. Nxc8 Bb5 35. Nd6 Be2 36. f4 d3 37. Kf2 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.08.01"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Jiang, Lucas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2356"]
[BlackElo "2325"]
[PlyCount "85"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. h3 a6 7. Be3 Bxe3 8. fxe3 d6 9. a4 0-0 10. 0-0 Be6 11. Nd2 Bxc4 12. Nxc4 d5 13. exd5 Nxd5 14. e4 Nf4 15. Kh2 Ng6 16. Ne3 Nd4 17. a5 Kh7 18. g3 Qd7 19. Qh5 Rae8 20. Rf2 Nh8 21. Ncd5 Re6 22. Ng4 f6 23. c3 Nc6 24. Qf5+ Ng6 25. Nxc7 Rd6 26. Qxd7 Rxd7 27. Nd5 Rd6 28. Nge3 Nge7 29. b4 Nxd5 30. exd5 Ne7 31. c4 Rd7 32. Raf1 Rc8 33. Kg2 Rf8 34. Ng4 Rfd8 35. Rb1 Rc7 36. Ne3 Rdd7 37. h4 Kg6 38. b5 Rc5 39. bxa6 bxa6 40. Rb6 Rxa5 41. Ng4 Kh7 42. Rbxf6 h5 43. Rh6+ 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.31"]
[Round "7"]
[White "Nathan, Nitish"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2179"]
[BlackElo "2356"]
[PlyCount "25"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Bg4 6. c3 e6 7. Qb3 Qc8 8. Ne5 Nxe5 9. Bxe5 c4 10. Qc2 Bf5 11. Qd1 Be7 12. Be2 0-0 13. g4 1/2-1/2

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.31"]
[Round "6"]
[White "Wang, Isaac"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2353"]
[BlackElo "2356"]
[PlyCount "56"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nf6 8. Qd1 Bc5 9. Nf3 0-0 10. e3 Qe7 11. Be2 Rd8 12. 0-0 Nc6 13. Qc2 Rac8 14. Bd2 a6 15. a3 b5 16. Rad1 Bd6 17. h3 Bb8 18. e4 Ne5 19. Nxe5 Qxe5 20. f4 Qc5+ 21. Kh1 Nh5 22. Bxh5 Qxh5 23. Kh2 Bg4 24. Rde1 Be2 25. Rf2 Bc4 26. e5 a5 27. Be3 b4 28. axb4 axb4 1/2-1/2

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.30"]
[Round "5"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Sathish, Pranav"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2356"]
[BlackElo "2448"]
[PlyCount "61"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. h3 d6 7. Na4 Qe7 8. Nxc5 dxc5 9. a3 a6 10. Be3 b6 11. Nd2 Bb7 12. 0-0 g5 13. c3 a5 14. Qe2 0-0-0 15. Rfd1 Rdg8 16. Nf1 Kb8 17. Ng3 Bc8 18. b4 cxb4 19. axb4 axb4 20. Qa2 Bb7 21. Nf5 Qd7 22. Ba6 Qc8 23. Bb5 Qe6 24. Bc4 Qd7 25. cxb4 Nxb4 26. Qa7+ Kc8 27. Rdc1 Ne8 28. Qa3 Nc6 29. Ba6 Nd6 30. Bxb7+ Nxb7 31. Rxc6 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.30"]
[Round "4"]
[White "Rajaram, Rohan"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2168"]
[BlackElo "2356"]
[PlyCount "112"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. g3 dxc4 5. Bg2 Nc6 6. 0-0 Rb8 7. Bg5 Be7 8. Bxe7 Ngxe7 9. e4 0-0 10. Qd2 b5 11. Na3 Bb7 12. Nc2 Qd6 13. Rad1 Rfd8 14. a3 Ba8 15. Qc3 Na7 16. Rfe1 c5 17. Qa5 Rdc8 18. Qc3 cxd4 19. Rxd4 Qc7 20. Red1 Rd8 21. Nb4 Bb7 22. Ne5 Rxd4 23. Qxd4 Nac6 24. Nbxc6 Nxc6 25. Nxc6 Bxc6 26. Qc5 Qb7 27. Rd6 Bxe4 28. Qd4 Bd5 29. Bxd5 exd5 30. Rxd5 Re8 31. Rd8 Qe7 32. Rxe8+ Qxe8 33. Qa7 Qe1+ 34. Kg2 Qe4+ 35. Kg1 g6 36. Qxa6 Qb1+ 37. Kg2 Qxb2 38. Qc8+ Kg7 39. Qc5 h5 40. h4 Kg8 41. Qc8+ Kh7 42. Qc7 Qf6 43. Qc5 Qf5 44. Qc7 Qd5+ 45. Kh2 Kg7 46. Qf4 Qc5 47. Kg2 c3 48. Qc1 Qd5+ 49. Kg1 Qd2 50. Qa1 Qb2 51. Qe1 c2 52. Kg2 c1Q 53. Qe4 Qba1 54. Kf3 Qh1+ 55. Ke3 Qae1+ 56. Kd3 Qhxe4# 0-1

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.29"]
[Round "3"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Tang, Dylan"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2356"]
[BlackElo "2093"]
[PlyCount "113"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. 0-0 Nc6 9. Nxd7 Qxd7 10. Nc3 Be7 11. d3 Rc8 12. Qa4 0-0 13. Bd2 Rfd8 14. Rfd1 h6 15. Rac1 b6 16. Be1 Ne8 17. Kf1 Bf6 18. a3 Nd4 19. Qxd7 Rxd7 20. Ne4 Be7 21. b4 Rdc7 22. bxc5 Nb3 23. Rb1 Nxc5 24. Nxc5 Bxc5 25. a4 Nf6 26. a5 Nd7 27. d4 Ba3 28. e4 Rc1 29. Rdxc1 Rxc1 30. Rxc1 Bxc1 31. Ke2 e5 32. dxe5 Nxe5 33. f4 Nd7 34. e5 bxa5 35. Bxa5 g5 36. Kf3 gxf4 37. gxf4 Nc5 38. Bf1 Ne6 39. f5 Ng5+ 40. Kg4 Bb2 41. Kf4 Bc1+ 42. Kg4 Bb2 43. h4 Ne4 44. Kf4 Nc5 45. Bc4 Kg7 46. f6+ Kf8 47. Bb4 Bd4 48. Kf5 Ke8 49. Bb5+ Kf8 50. Bc4 Be3 51. h5 Bd4 52. Bd2 Nd7 53. Bxh6+ Kg8 54. Bxf7+ Kh7 55. Bf4 a5 56. Be8 Nf8 57. e6 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.29"]
[Round "2"]
[White "Shivakumar, Shawnak"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2387"]
[BlackElo "2356"]
[PlyCount "77"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. dxc5 Nc6 5. Bb5 e6 6. b4 a5 7. c3 Bd7 8. Qb3 Nh5 9. Ne2 Nxf4 10. Nxf4 Rb8 11. a3 b6 12. cxb6 Qxb6 13. Be2 Bd6 14. Nd2 0-0 15. g3 Rfc8 16. 0-0 Ne5 17. Rac1 Bb5 18. Bxb5 Qxb5 19. a4 Qb7 20. b5 Nc4 21. Rfd1 Be5 22. Ne2 Nxd2 23. Rxd2 Rc4 24. Nd4 Rbc8 25. Qa3 Qc7 26. Nc6 Bd6 27. Qa2 Bc5 28. Rd3 h5 29. Kg2 g6 30. f3 f5 31. Re1 Rf8 32. Qb3 g5 33. Red1 g4 34. Rxd5 gxf3+ 35. Kxf3 exd5 36. Rxd5 f4 37. Qxc4 fxg3+ 38. Rf5+ Kg7 39. Qxc5 1-0

[Event "Sunnyvale 1000 GM 07"]
[Site "Sunnyvale"]
[Date "2023.07.28"]
[Round "1"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Yu, Jiangwei"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2356"]
[BlackElo "2261"]
[PlyCount "70"]
[EventDate "2023.07.28"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. Kb1 Nxd4 10. Qxd4 Be7 11. h4 Qc7 12. f3 b5 13. g4 b4 14. Qxb4 d5 15. Qd4 Bc5 16. Qd3 d4 17. Ne2 e5 18. Ng3 Be6 19. Nf5 0-0 20. h5 Nd7 21. h6 Rfb8 22. Nxg7 Bxa2+ 23. Kxa2 Qa5+ 24. Kb1 Rxb2+ 25. Kxb2 Rb8+ 26. Qb3 Qc3+ 27. Kb1 Rxb3+ 28. cxb3 Qxb3+ 29. Kc1 Qc3+ 30. Kb1 Ba3 31. Rd2 Nc5 32. Rhh2 Nb3 33. Ka2 Nc1+ 34. Kb1 Nb3 35. Ka2 Nxd2 1/2-1/2

[Event "New York Summer 1000 GM GM-A"]
[Site "New York"]
[Date "2023.07.10"]
[Round "8"]
[White "Ostrovskiy, Aleksandr A"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2356"]
[BlackElo "2524"]
[PlyCount "84"]
[EventDate "2023.07.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 a6 7. Nbd2 g5 8. Qb3 Rh7 9. a5 g4 10. Ng1 Ne7 11. Ne2 c6 12. d4 Ng6 13. Qc2 exd4 14. cxd4 d5 15. exd5 Nxd5 16. 0-0 Be7 17. Qb3 Kf8 18. Ne4 h5 19. N4c3 Be6 20. Nxd5 cxd5 21. Bd3 Rh8 22. Qxb7 Kg7 23. Bxg6 fxg6 24. Nf4 Bf7 25. Re1 Re8 26. Ne6+ Bxe6 27. Rxe6 Kf7 28. Re5 Rb8 29. Qxa6 Bf6 30. Rxe8 Qxe8 31. Be3 Rxb2 32. Qd3 Rb7 33. a6 Ra7 34. g3 Qc6 35. Kg2 Bg7 36. Bf4 Ra8 37. a7 Qc4 38. Qxc4 dxc4 39. Bb8 Bxd4 40. Ra4 Ke6 41. Rxc4 Bxa7 42. Bxa7 Ke5 1/2-1/2

[Event "New York Summer 1000 GM GM-A"]
[Site "New York"]
[Date "2023.07.10"]
[Round "9"]
[White "Wang, Justin"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2488"]
[BlackElo "2356"]
[PlyCount "8"]
[EventDate "2023.07.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "8"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 1/2-1/2

