[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.22"]
[Round "9"]
[White "Sannikov, Fedor"]
[Black "Sobolev, Lev Yu"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1797"]
[BlackElo "1630"]
[PlyCount "82"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Be2 Be6 13. Nc2 0-0 14. Nce3 Rb8 15. 0-0 Qd7 16. a4 Bd8 17. axb5 axb5 18. b4 Bg5 19. Ra6 Bxe3 20. Rxc6 Bg5 21. Rxd6 Qc8 22. Qa1 Kh8 23. Rd1 f5 24. Qa6 Qxa6 25. Rxa6 Bc8 26. Rc6 fxe4 27. Rc5 Be6 28. Nc7 Bb3 29. Ra1 Rbd8 30. Bxb5 e3 31. Rxe5 exf2+ 32. Kf1 Bf4 33. Rc5 Bxh2 34. Bc4 Bxc4+ 35. Rxc4 Rc8 36. Ne6 Rxc4 37. Nxf8 Kg8 38. Ne6 Rxc3 39. Ng5 Rc8 40. Kxf2 h6 41. Nf3 Bd6 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "7"]
[White "Druchinin, Semen"]
[Black "Sobolev, Lev Yu"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1911"]
[BlackElo "1630"]
[PlyCount "90"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 Nd4 10. Nc2 Nxc2+ 11. Qxc2 Be6 12. b3 0-0 13. 0-0 Rc8 14. a4 Ne8 15. Be3 f5 16. exf5 Bxf5 17. Bd3 g6 18. Nd5 Ng7 19. f4 Be6 20. Be4 Nf5 21. Bb6 Qe8 22. Qd3 Bd8 23. Bf2 Qf7 24. fxe5 dxe5 25. g4 Nh6 26. Bc5 Rxc5 27. Rxf7 Nxf7 28. Bxg6 Bxg4 29. Bxh7+ Kh8 30. Rf1 Rc6 31. Bf5 Bh5 32. Qh3 Rh6 33. Bg4 Bxg4 34. Qxh6+ Nxh6 35. Rxf8+ Kg7 36. Rxd8 e4 37. Rb8 Nf5 38. Rxb7+ Kh6 39. Kf2 Kg5 40. Rb8 Bf3 41. Rg8+ Kh4 42. c5 Nd4 43. Ke3 Nxb3 44. c6 Nc5 45. c7 Nd3 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "6"]
[White "Sobolev, Lev Yu"]
[Black "Milchenko, Valerii"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "1630"]
[BlackElo "1837"]
[PlyCount "83"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c5 5. Nf3 Nc6 6. cxd5 Nxd5 7. Bd3 cxd4 8. exd4 Be7 9. a3 a6 10. 0-0 0-0 11. Be3 Nxe3 12. fxe3 f5 13. Qd2 Bg5 14. Qf2 Bd7 15. Rad1 Bf6 16. Bc4 Kh8 17. Ba2 Qe8 18. Nd2 Ne7 19. Nc4 b5 20. Na5 b4 21. Ne2 bxa3 22. bxa3 Ng6 23. Nc4 Bb5 24. Nd6 Qe7 25. Nxb5 axb5 26. Rd3 b4 27. Ng3 Rxa3 28. Rxa3 bxa3 29. d5 Qc5 30. dxe6 f4 31. Ne4 Qxe3 32. Qxe3 fxe3 33. Nxf6 gxf6 34. Re1 Rd8 35. Rxe3 Rd1+ 36. Kf2 Rd2+ 37. Re2 Rb2 38. Ke3 Kg7 39. g3 Kf8 40. Rxb2 axb2 41. Kd2 Ne5 42. Kc2 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.19"]
[Round "5"]
[White "Abgaryan, Harutyun V"]
[Black "Sobolev, Lev Yu"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1795"]
[BlackElo "1630"]
[PlyCount "53"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Bd6 5. Re1 a6 6. Bc4 b5 7. Bd5 Nge7 8. c3 0-0 9. d4 exd4 10. cxd4 cxd4 11. Nxd4 Qc7 12. b3 Bb7 13. Nc3 Nxd4 14. Bxb7 Nc2 15. Bxa8 Rxa8 16. Qxc2 b4 17. e5 Bxe5 18. Qe4 Nc6 19. Nd5 Qd6 20. Bf4 Re8 21. Qc4 h6 22. Rad1 Qg6 23. Bxe5 Nxe5 24. Qe2 Re6 25. Nf4 Nf3+ 26. Qxf3 Rxe1+ 27. Rxe1 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "3"]
[White "Bogomazov, Mikhail"]
[Black "Sobolev, Lev Yu"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1797"]
[BlackElo "1630"]
[PlyCount "96"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Ng6 10. Qa4 Bd7 11. Qb4 Qb8 12. Be3 a6 13. Nc3 f5 14. f3 Be7 15. Na4 f4 16. Bf2 Bd8 17. Bd3 Nh4 18. 0-0-0 b5 19. cxb5 axb5 20. Nc3 Ba5 21. Qb3 b4 22. Bxh4 bxc3 23. Qxb8+ Rxb8 24. b3 Bb4 25. a4 Kf7 26. Kc2 g5 27. Be1 h5 28. Bxc3 Rhc8 29. Bc4 Bxa4 30. bxa4 Rxc4 31. Rd3 Rbc8 32. Kb3 Bxc3 33. Rc1 Rb4+ 34. Ka3 Bb2+ 35. Kxb4 Rxc1 36. a5 Bd4 37. a6 Ke7 38. Kb5 Kd7 39. Ra3 Rc7 40. Ra2 Kc8 41. g3 Kb8 42. gxf4 gxf4 43. Rg2 Ka7 44. Rg5 Rc5+ 45. Kb4 Rc3 46. Kb5 Rc5+ 47. Kb4 Rxd5 48. Rxh5 Kxa6 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "4"]
[White "Sobolev, Lev Yu"]
[Black "Zhukov, Konstantin"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1630"]
[BlackElo "1850"]
[PlyCount "88"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. e3 0-0 6. Bd3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 d6 10. 0-0 e5 11. Be3 Na5 12. h3 Ba6 13. Bg5 h6 14. Bh4 g5 15. Bg3 Re8 16. Qc2 Bxc4 17. Rad1 Qe7 18. Bh2 cxd4 19. cxd4 Rac8 20. Qb1 Nh5 21. Nc3 Nf4 22. Bxf4 gxf4 23. Bxc4 Nxc4 24. Nd5 Qg5 25. dxe5 dxe5 26. Qb5 Ne3 27. Nxe3 fxe3 28. Rd5 Qf4 29. Rfd1 Rf8 30. Qe2 Rc3 31. R5d3 Rfc8 32. Re1 Rc2 33. Qxe3 Qxe3+ 34. Rexe3 Rxa2 35. Rd5 Rcc2 36. Rxe5 Rxg2+ 37. Kh1 Rh2+ 38. Kg1 Rxh3 39. Rd3 Rg3+ 40. Kh1 Kg7 41. Rf5 Rg5 42. Rf4 Rh5+ 43. Kg1 Rc5 44. Rd1 b5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "1"]
[White "Makarenko, Kirill"]
[Black "Sobolev, Lev Yu"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "1977"]
[BlackElo "1630"]
[PlyCount "84"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nge2 Bxg2 7. Rg1 Bf3 8. Rg3 Bh5 9. e4 Bg6 10. a3 Be7 11. Nf4 d6 12. Be3 Nbd7 13. Qe2 c5 14. d5 e5 15. Ng2 Nh5 16. Rh3 Ndf6 17. Nh4 Qc8 18. Nf5 Qb7 19. Bc2 0-0-0 20. Ba4 a6 21. Bc6 Qa7 22. a4 Bxf5 23. exf5 Nf4 24. Bxf4 exf4 25. a5 Rhe8 26. Bxe8 Rxe8 27. Kf1 bxa5 28. Qc2 Bd8 29. Rf3 Qe7 30. Qa4 Ng4 31. Qc6+ Bc7 32. Qxa6+ Kd8 33. Qa8+ Kd7 34. Qc6+ Kd8 35. Qa8+ Kd7 36. Qc6+ Kd8 37. f6 gxf6 38. Qa8+ Kd7 39. Qc6+ Kd8 40. Rxf4 f5 41. Qa8+ Kd7 42. Qc6+ Kd8 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "2"]
[White "Sobolev, Lev Yu"]
[Black "Volkov, Sergei E"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1630"]
[BlackElo "2036"]
[PlyCount "152"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Ne5 f6 5. Nd3 Ne7 6. Bg3 h5 7. e3 h4 8. Bxd6 Qxd6 9. f4 Nbc6 10. Nc3 a6 11. Qg4 g6 12. 0-0-0 Bd7 13. Nc5 0-0-0 14. Qe2 Nb8 15. a3 Nec6 16. Qd3 Rdg8 17. N3a4 Na7 18. Qb3 Bc6 19. Be2 Nd7 20. Nxd7 Bxa4 21. Qxa4 Qxd7 22. Qxd7+ Kxd7 23. g3 Nc8 24. g4 Nd6 25. Bd3 Rg7 26. Rhg1 g5 27. fxg5 fxg5 28. Rdf1 Ke7 29. h3 Rf8 30. Rxf8 Kxf8 31. Rf1+ Rf7 32. Rxf7+ Kxf7 33. b3 b5 34. Kd2 Kf6 35. Kc3 a5 36. Kb2 e5 37. c3 Ke6 38. Kc2 c6 39. Kd2 Ne8 40. c4 bxc4 41. bxc4 dxc4 42. Bxc4+ Kd6 43. Kd3 Nf6 44. Bf7 Nd7 45. Ke4 exd4 46. exd4 Ke7 47. Bh5 Ke6 48. Bg6 Nf6+ 49. Kf3 Kd5 50. Ke3 Kc4 51. Bf7+ Kc3 52. Be6 a4 53. Bf7 Kb2 54. Kd3 Kxa3 55. Kc4 Ne4 56. Kd3 Nf2+ 57. Kc3 Nxh3 58. Be8 Nf2 59. Bxc6 Nxg4 60. d5 Ne5 61. Kd4 Nf7 62. Kc3 g4 63. Bd7 Ne5 64. Bf5 h3 65. d6 h2 66. Be4 Nf3 67. d7 h1Q 68. d8Q Qc1+ 69. Bc2 Qe3+ 70. Bd3 Qc5+ 71. Bc4 Ne5 72. Qg8 Qxc4+ 73. Qxc4 Nxc4 74. Kxc4 g3 75. Kd3 g2 76. Kc2 g1Q 0-1

