[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.24"]
[Round "9"]
[White "Lisenkov, Svyatoslav"]
[Black "Preobrazhensky, Andrey"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2089"]
[BlackElo "1822"]
[PlyCount "152"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[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 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. 0-0 0-0 11. Qc2 Rc8 12. e4 c5 13. exd5 exd5 14. Rfd1 Qc7 15. dxc5 dxc4 16. Bh3 Rcd8 17. cxb6 Nxb6 18. Ba5 Qc5 19. Bxb6 axb6 20. Nxc4 Bb7 21. Bg2 Qh5 22. Nfe5 Bxg2 23. Kxg2 Bc5 24. Nf3 Ng4 25. Rxd8 Rxd8 26. Rd1 Rf8 27. b4 Bxf2 28. Qe2 Qb5 29. Rc1 Be3 30. Rc2 Bh6 31. Qe7 Qd5 32. h3 Nh2 33. Kxh2 Qxf3 34. Nxb6 Be3 35. Qc7 Re8 36. Rg2 h5 37. Nc4 Bg1+ 38. Kxg1 Re1+ 39. Kh2 Qf1 40. g4 Qh1+ 41. Kg3 h4+ 42. Kxh4 Qxg2 43. Qc8+ Kh7 44. Qf5+ Kh8 45. Nd6 Rf1 46. Nxf7+ Kg8 47. Nh6+ gxh6 48. Qg6+ Kf8 49. Qxh6+ Kf7 50. Qh7+ Ke8 51. Qh8+ Ke7 52. Qe5+ Kf7 53. Qh5+ Ke6 54. Qe8+ Kd6 55. Qd8+ Ke5 56. Qe7+ Kd4 57. Qc5+ Kd3 58. Qd6+ Kc2 59. g5 Rf5 60. Qg6 Qf3 61. b5 Kd1 62. Qd6+ Ke2 63. Qh2+ Kf1 64. b6 Rf4+ 65. Qxf4 Qxf4+ 66. Kh5 Qf3+ 67. Kg6 Qxh3 68. b7 Qe6+ 69. Kh5 Qf7+ 70. g6 Qxb7 71. Kh6 Qa6 72. a4 Qxa4 73. g7 Qh4+ 74. Kg6 Qg4+ 75. Kf7 Qf5+ 76. Kg8 Kf2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.22"]
[Round "7"]
[White "Preobrazhensky, Andrey"]
[Black "Lezin, Aleksandr"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1822"]
[BlackElo "1414"]
[PlyCount "83"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 b5 7. cxb5 a6 8. b6 Qxb6 9. Nf3 0-0 10. Be2 Nbd7 11. Nd2 a5 12. Nc4 Qb8 13. a4 Nb6 14. Ra3 Nxc4 15. Bxc4 Qb4 16. Qd3 Qb7 17. 0-0 Ng4 18. Rb3 Qd7 19. Nb5 Ba6 20. h3 Nf6 21. Bd2 Bxb5 22. Rxb5 Qc7 23. Bc3 Nd7 24. Bxg7 Kxg7 25. Qc3+ f6 26. h4 Rfb8 27. Rxb8 Rxb8 28. Bb5 Nb6 29. b3 Nc8 30. Re1 Na7 31. Bc4 Kf7 32. e5 Nc8 33. exf6 exf6 34. Re6 Qd8 35. h5 Ra8 36. hxg6+ hxg6 37. Qh3 Qg8 38. Bb5 Qg7 39. Be8+ Kf8 40. Bc6 Nb6 41. Bxa8 Nxa8 42. Rxd6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "5"]
[White "Preobrazhensky, Andrey"]
[Black "Shakirov, Marat"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1822"]
[BlackElo "2138"]
[PlyCount "50"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. 0-0 h6 14. Bf4 Nd7 15. Qd2 g5 16. e6 gxf4 17. exd7 Bxd7 18. Qxf4 Rae8 19. h3 c4+ 20. Kh1 Nf2+ 21. Kh2 b4 22. Nd1 Rxe2 23. Qxc4 Bb5 24. Qxb4 Nxd1 25. Rfxd1 Rxg2+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "6"]
[White "Rudovskii, Filipp"]
[Black "Preobrazhensky, Andrey"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2036"]
[BlackElo "1822"]
[PlyCount "71"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Be2 Nc6 3. f4 e6 4. Nf3 d5 5. d3 Nf6 6. e5 Ng8 7. 0-0 Nge7 8. c3 Nf5 9. g4 Nh4 10. Qe1 Be7 11. Be3 h5 12. h3 hxg4 13. hxg4 Nxf3+ 14. Bxf3 g5 15. Na3 a6 16. Kg2 gxf4 17. Bxf4 Bg5 18. Bg3 Qb6 19. Qf2 Rf8 20. b4 Be7 21. Bf4 f6 22. Bh6 Nxe5 23. Bxf8 Bxf8 24. g5 f5 25. bxc5 Qa5 26. Bh5+ Kd8 27. Qd4 Bg7 28. Nc4 Qc7 29. Nxe5 Bxe5 30. Qe3 Bxc3 31. Rxf5 Qg7 32. Rf7 Bxa1 33. Rxg7 Bxg7 34. Qf4 Bd7 35. Qf7 Bd4 36. Qf8+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.20"]
[Round "4"]
[White "Kazhgaleyev, Murtas"]
[Black "Preobrazhensky, Andrey"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2498"]
[BlackElo "1822"]
[PlyCount "77"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 g5 5. Bg3 d6 6. h3 Bg7 7. Nbd2 b6 8. e4 Bb7 9. Bd3 Nbd7 10. Qe2 a6 11. 0-0-0 b5 12. Nb3 c5 13. dxc5 dxc5 14. c4 Qb6 15. e5 Nh5 16. Be4 Nxg3 17. fxg3 Rd8 18. Rd6 Qc7 19. Bxb7 Qxb7 20. Rhd1 0-0 21. Nxc5 Nxc5 22. Rxd8 b4 23. Qe3 Ne4 24. Rxf8+ Bxf8 25. Rd8 Qc6 26. b3 Nxg3 27. Qd3 Nf5 28. g4 Ne7 29. Nd2 Qh1+ 30. Kb2 Nc6 31. Rc8 Nxe5 32. Rxf8+ Kxf8 33. Qd6+ Kg8 34. Qxe5 Qxh3 35. c5 Qxg4 36. c6 f6 37. Qxf6 Qe2 38. Qd4 e5 39. Qc4+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "2"]
[White "Cherepov, Alexej"]
[Black "Preobrazhensky, Andrey"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2102"]
[BlackElo "1822"]
[PlyCount "76"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Nc3 0-0 6. e3 b6 7. Bd3 Bb7 8. 0-0 d5 9. cxd5 exd5 10. Ne5 Nbd7 11. f4 Bxc3 12. bxc3 Ne4 13. c4 f6 14. Nxd7 Qxd7 15. Bxe4 dxe4 16. a4 a5 17. Qb3 Ba6 18. Rfc1 Rab8 19. h3 Kh8 20. Rab1 h6 21. Be1 Kh7 22. Qc2 Rfe8 23. Rb2 Qf7 24. Kh2 h5 25. c5 Bd3 26. Qc3 bxc5 27. Rxb8 Rxb8 28. Qxc5 Rb2 29. Bg3 Qg6 30. h4 Qg4 31. Rg1 Re2 32. Re1 Rc2 33. Qxa5 Qf3 34. Rg1 c5 35. Qxc5 Ra2 36. Qf5+ Kh6 37. Kh3 Bf1 38. Qd5 Rxg2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "3"]
[White "Preobrazhensky, Andrey"]
[Black "Suslov, Dmitry"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "1822"]
[BlackElo "2221"]
[PlyCount "57"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. e6 fxe6 13. d6 Nc6 14. 0-0 Nd4 15. Ne4 b6 16. Bg5 Qd7 17. Nxd4 Bxd4+ 18. Qxd4 cxd4 19. Bxg4 Qb5 20. a4 Qxf1+ 21. Rxf1 Rf8 22. Rxf8+ Kxf8 23. Be7+ Kf7 24. Ng5+ Ke8 25. Nxe6 Bxe6 26. Bxe6 b5 27. Bg5 d3 28. Kf2 bxa4 29. d7+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.18"]
[Round "1"]
[White "Preobrazhensky, Andrey"]
[Black "Maksimenko, Dmitry"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1822"]
[PlyCount "65"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 g6 7. Nc3 Bg7 8. Nf3 0-0 9. 0-0 d6 10. a4 Na6 11. e4 Nb4 12. Re1 Bg4 13. Rb1 Nd7 14. h3 Bxf3 15. Qxf3 Ne5 16. Qe2 e6 17. f4 Nd7 18. dxe6 fxe6 19. Bc4 Qe7 20. f5 Ne5 21. Bxe6+ Kh8 22. Nd5 Nxd5 23. Bxd5 Rxa4 24. fxg6 Nxg6 25. Be3 Rb8 26. Rf1 Qe5 27. Rf5 Qxb2 28. Rxb2 Rxb2 29. Qh5 Be5 30. Rxe5 Nxe5 31. Qe8+ Kg7 32. Qg8+ Kf6 33. Bg5# 1-0

