[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.29"]
[Round "9"]
[White "Nikishin, Igor"]
[Black "Makhina, Viktoria"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1681"]
[BlackElo "1464"]
[PlyCount "89"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[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. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. Ne5 0-0 9. a3 bxa3 10. Nxa3 Nd5 11. Naxc4 f6 12. Nf3 Nc6 13. e4 Ndb4 14. 0-0 a6 15. Qd2 b5 16. Ne3 Qe7 17. d5 exd5 18. exd5 Rd8 19. Qc3 Na7 20. d6 Qxd6 21. Rad1 Qe7 22. Rxd8+ Qxd8 23. Qxb4 Bb7 24. Nd4 Bxg2 25. Kxg2 a5 26. Qc5 Qd7 27. Rd1 Rd8 28. Nf3 Qc8 29. Rxd8+ Qxd8 30. Qxa7 g6 31. Qb7 b4 32. Qd5+ Qxd5 33. Nxd5 Kf7 34. Nd4 f5 35. b3 h6 36. Nc6 a4 37. bxa4 b3 38. Nc3 Ke6 39. Nd4+ Ke5 40. Nxb3 g5 41. a5 f4 42. gxf4+ gxf4 43. a6 f3+ 44. Kxf3 Kd6 45. a7 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.28"]
[Round "8"]
[White "Kiseleva, Arina"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1923"]
[BlackElo "1681"]
[PlyCount "77"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. 0-0 Bd6 7. Bb2 0-0 8. Nbd2 b6 9. dxc5 bxc5 10. e4 d4 11. Bb5 Ne5 12. Nxe5 Bxe5 13. f4 Bc7 14. Bd3 Bb7 15. Qf3 Ba5 16. Nc4 Bc3 17. Bxc3 dxc3 18. Rae1 Ne8 19. Qh3 Qd4+ 20. Kh1 h6 21. Na5 Bc8 22. e5 Qd8 23. Be4 Ba6 24. Rg1 Nc7 25. Bxa8 Qxa8 26. Qxc3 Nd5 27. Qf3 Qd8 28. Nc4 Bb7 29. Ne3 Qh4 30. Nxd5 Bxd5 31. Qg3 Qd8 32. Rd1 Qa5 33. f5 Qxa2 34. f6 g6 35. Qc3 Qa6 36. Qe3 Kh7 37. c4 Bb7 38. Qxc5 Re8 39. Ra1 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.27"]
[Round "7"]
[White "Nikishin, Igor"]
[Black "Dmitriev, Maksim S"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1681"]
[BlackElo "1419"]
[PlyCount "47"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 d6 12. Rae1 Nd7 13. Ng5 Bxg5 14. Bxb7 Rb8 15. Bg2 Bf6 16. e4 fxe4 17. Bxe4 e5 18. Qc2 g6 19. dxe5 Nxe5 20. f4 Nd7 21. Bd5+ Kh8 22. Re6 Nc5 23. Rxf6 Rxf6 24. g4 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.26"]
[Round "6"]
[White "Makarchik, Arseniy Vik"]
[Black "Nikishin, Igor"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1401"]
[BlackElo "1681"]
[PlyCount "110"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Bc4 Be6 10. Nd5 Bxd5 11. Bxd5 Nxd5 12. Qxd5 Bg5 13. Bd2 Bxd2+ 14. Qxd2 Qc7 15. 0-0 Ne7 16. Qd3 Rad8 17. c4 a5 18. Kh1 b6 19. Nc1 f5 20. Ne2 f4 21. a3 Ng6 22. g3 h5 23. Qd5+ Kh7 24. b4 a4 25. Rab1 Qe7 26. Kg2 Qg5 27. Kf2 fxg3+ 28. hxg3 Rf6 29. Ke1 Rdf8 30. f4 Qg4 31. Rh1 Qf3 32. Kd2 Ne7 33. Qd3 Qxd3+ 34. Kxd3 g6 35. Ke3 Kg7 36. Rhf1 g5 37. f5 Rc8 38. Rfc1 Rff8 39. Kd3 Ng8 40. Nc3 Nf6 41. Nd5 Nxd5 42. cxd5 b5 43. Ke3 g4 44. Kd3 Kf6 45. Kd2 Kg5 46. Rc6 Rxc6 47. dxc6 Kf6 48. Rc1 Rc8 49. c7 Ke7 50. Ke3 Kd7 51. f6 Ke6 52. Rc6 Kd7 53. Rc2 Ke6 54. Rc6 Kd7 55. Rc1 Ke6 1/2-1/2

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.25"]
[Round "5"]
[White "Nikishin, Igor"]
[Black "Tereschenko, Valerij"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1681"]
[BlackElo "1971"]
[PlyCount "120"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 Ng4 10. Nxc6 bxc6 11. h3 Nf6 12. b3 a5 13. Na4 Ne4 14. Ba3 Ba6 15. Rc1 Bb5 16. Nc5 Nxc5 17. Bxc5 a4 18. bxa4 Rxa4 19. a3 Re8 20. f4 e6 21. Re1 Bf8 22. e3 Bxc5 23. Rxc5 Rxa3 24. Bf1 Qa5 25. Qb1 Ra2 26. Rd1 Qa3 27. Qc1 Qb3 28. Rc3 Qa4 29. Bd3 Ra8 30. Bxb5 cxb5 31. Rc8+ Rxc8 32. Qxc8+ Kg7 33. Rc1 Qa3 34. Qc3 b4 35. Qxa3 bxa3 36. Rc3 h5 37. g4 hxg4 38. hxg4 g5 39. Rb3 Kg6 40. Rc3 f5 41. gxf5+ Kxf5 42. fxg5 Kxg5 43. Rb3 Kg4 44. Rc3 Kf3 45. Rb3 Ra1+ 46. Kh2 a2 47. Ra3 Re1 48. e4+ Kxe4 49. Rxa2 Kxd4 50. Kg2 e5 51. Ra4+ Ke3 52. Ra3+ Ke4 53. Kf2 Rb1 54. Re3+ Kd4 55. Re2 e4 56. Rd2+ Ke5 57. Ra2 Rb5 58. Ke3 d4+ 59. Ke2 Kf4 60. Kd2 d3 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.24"]
[Round "4"]
[White "Kanter, Elizaveta"]
[Black "Nikishin, Igor"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1473"]
[BlackElo "1681"]
[PlyCount "92"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 11. bxc4 e5 12. Ne2 Qc7 13. Qc2 Rfe8 14. Bb2 exd4 15. Nexd4 Ng4 16. Nf5 Bf6 17. Bxf6 Ndxf6 18. Rfe1 g6 19. N5d4 Nd7 20. Rad1 Nge5 21. Nd2 Nc5 22. f4 Ned3 23. Re3 Rad8 24. N2f3 Bxc4 25. Bf1 Ba6 26. Bxd3 Bxd3 27. Rdxd3 Nxd3 28. Rxd3 Qd7 29. Ne5 Rxe5 30. fxe5 c5 31. Qc4 cxd4 32. a4 h5 33. Kg2 h4 34. h3 hxg3 35. Rxg3 Kg7 36. Rd3 a6 37. Qxa6 Qc6 38. Kf3 Qe6 39. Qb5 Qxh3+ 40. Ke2 Qg2+ 41. Kd1 Rh8 42. Rd2 Qxe4 43. Re2 Rh1+ 44. Kd2 Qf4+ 45. Kd3 Qf3+ 46. Kc2 Qc3# 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.23"]
[Round "3"]
[White "Nikishin, Igor"]
[Black "Artemyev, Miron"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "1681"]
[BlackElo "1335"]
[PlyCount "98"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d6 5. Nf3 Be7 6. 0-0 0-0 7. b3 Ne4 8. Bb2 Bf6 9. Nbd2 b6 10. Nxe4 fxe4 11. Ne1 d5 12. f3 exf3 13. Bxf3 Bb7 14. e3 c5 15. Ng2 Qe7 16. cxd5 exd5 17. dxc5 Bxb2 18. Bxd5+ Kh8 19. Rxf8+ Qxf8 20. Bxb7 Bxa1 21. Qxa1 Nd7 22. Bxa8 Qxa8 23. cxb6 axb6 24. Qd4 Qc6 25. h3 h6 26. Kh2 Nf6 27. Qd8+ Kh7 28. Qd3+ Kg8 29. Nf4 Qf3 30. Qe2 Qe4 31. Qd3 Qf3 32. Qe2 Qe4 33. Qc4+ Qxc4 34. bxc4 Kf7 35. Kg2 Nd7 36. Nd3 Ke6 37. Kf3 g5 38. h4 Nf6 39. hxg5 hxg5 40. e4 Nd7 41. a4 Nb8 42. Kf2 Nc6 43. Ke3 Na5 44. c5 bxc5 45. Nxc5+ Kd6 46. Nd3 Nc6 47. Kf3 Ke6 48. Kg4 Kf6 49. Kh5 Nd4 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.22"]
[Round "2"]
[White "Shikhalieva, Ariana"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1299"]
[BlackElo "1681"]
[PlyCount "109"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Bd3 e6 6. Nf3 Bd6 7. Bg3 Qe7 8. Ne5 Nd7 9. f4 0-0 10. Qh5 g6 11. Qg4 f5 12. Qh3 Bxe5 13. fxe5 Qg7 14. Bf2 c4 15. Bc2 b5 16. g4 fxg4 17. Qxg4 Ndxe5 18. dxe5 Nxe5 19. Qe2 Bb7 20. Nd2 d4 21. exd4 Nd3+ 22. Bxd3 cxd3 23. Qxe6+ Qf7 24. Qxf7+ Rxf7 25. 0-0 Re8 26. Rae1 Re2 27. Rxe2 dxe2 28. Re1 Re7 29. Bg3 g5 30. Be5 h5 31. Rxe2 h4 32. Ne4 Bxe4 33. Rxe4 Kf7 34. Re2 Kg6 35. Rf2 Kh5 36. h3 a5 37. Rf5 Kg6 38. Rf6+ Kh5 39. Kf2 Rb7 40. Kf3 a4 41. Bd6 Rb6 42. Be7 Rb7 43. Bf8 Rh7 44. Rh6+ Rxh6 45. Bxh6 Kxh6 46. Kg4 Kg6 47. b3 axb3 48. axb3 Kf6 49. c4 bxc4 50. bxc4 Kg6 51. c5 Kf6 52. d5 Ke5 53. d6 Kf6 54. d7 Ke7 55. c6 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.21"]
[Round "1"]
[White "Nikishin, Igor"]
[Black "Gaydym, Arseniy"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1681"]
[BlackElo "2170"]
[PlyCount "120"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 b4 9. Ne5 Qxd4 10. Bxa8 Qxe5 11. Qxc4 Ba6 12. Qc2 Nd5 13. Bxd5 exd5 14. Bf4 Qe6 15. Nd2 g5 16. Be3 c5 17. Nb3 d4 18. Nxc5 Bxc5 19. Qxc5 dxe3 20. Qxg5+ Kh8 21. Qxe3 Qxe3 22. fxe3 Nd7 23. Rf4 Ne5 24. Rd4 Rc8 25. Rad1 Rc2 26. R4d2 Bxe2 27. Rxc2 Bxd1 28. Rc5 Nd3 29. Rc8+ Kg7 30. a5 Nxb2 31. a6 Be2 32. Rb8 Nd3 33. Rb7 Nc5 34. Rxb4 Bxa6 35. Rb1 Bd3 36. Rc1 Ne6 37. Ra1 a6 38. e4 Kf6 39. Kf2 Bb5 40. Ke3 Ke7 41. e5 Nc5 42. Rb1 Ke6 43. Kd4 Nd3 44. g4 Nxe5 45. Re1 f6 46. g5 Kd6 47. Re3 Nc6+ 48. Ke4 fxg5 49. Kf5 Kc5 50. Kxg5 Kd4 51. Re6 Nb4 52. Kf4 Bd3 53. Re1 a5 54. Ra1 Nc6 55. h4 Bc2 56. Ra3 a4 57. Kg5 Kc4 58. Rf3 Bd3 59. Kh6 a3 60. Rf8 a2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.24"]
[Round "9"]
[White "Nikishin, Igor"]
[Black "Tkachuk, Andrey1111"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1609"]
[BlackElo "1828"]
[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. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 c6 6. 0-0 b5 7. Ne5 Bb7 8. a4 a6 9. b3 cxb3 10. Qxb3 Qxd4 11. Bb2 Qb4 12. Qc2 Qc5 13. Qd3 Qd6 14. Qe3 Qc7 15. Rc1 b4 16. Nd2 Be7 17. Ndc4 c5 18. Bxb7 Qxb7 19. Qg5 0-0 20. Ng4 Ne8 21. Nh6+ Kh8 22. Qh5 Bf6 23. Rd1 Qe7 24. Nb6 Bxb2 25. Rab1 Bc3 26. Nxf7+ Rxf7 27. Nxa8 g6 28. Qg4 Nf6 29. Qf4 Nc6 30. Qc4 Qb7 31. Nb6 Qxb6 32. Qxc3 bxc3 33. Rxb6 Nd4 34. Kf1 Ng4 35. Rc1 Rxf2+ 36. Ke1 Rxe2+ 37. Kf1 Ne3+ 38. Kg1 Nf3+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.23"]
[Round "8"]
[White "Karpenko, Anton"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1868"]
[BlackElo "1609"]
[PlyCount "121"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Rd1 b6 9. b3 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 c5 13. Nxf6+ Bxf6 14. Ng5 Bxg5 15. Bxb7 Rc7 16. dxc5 Bxc1 17. Raxc1 Rxb7 18. c6 Rc7 19. cxd7 Rxd7 20. Rxd7 Qxd7 21. Rd1 Qe7 22. Qd2 Qa3 23. Qc2 h6 24. Rd7 Qa5 25. Qd2 Qa3 26. Rb7 Qa6 27. Rc7 Qa3 28. h4 Kh8 29. Rb7 Kg8 30. Rc7 Kh8 31. b4 Kg8 32. Kg2 Re8 33. b5 Rf8 34. Qc2 Qa5 35. Qb3 Rd8 36. a3 Rf8 37. Qb4 Qxb4 38. axb4 Ra8 39. Kf3 a6 40. bxa6 Rxa6 41. b5 Ra8 42. Ke4 Rb8 43. h5 Kf8 44. Ke5 Ke8 45. g4 Kf8 46. f4 Ke8 47. g5 hxg5 48. fxg5 Rd8 49. g6 fxg6 50. hxg6 Rd7 51. Rc6 Rd1 52. Rxe6+ Kd7 53. Rxb6 Re1+ 54. Kd5 Rd1+ 55. Kc5 Kc7 56. Rc6+ Kd7 57. Ra6 Ke7 58. b6 Rb1 59. Ra5 Kd7 60. Rb5 Rxb5+ 61. Kxb5 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.22"]
[Round "7"]
[White "Nikishin, Igor"]
[Black "Sakovich, Luka"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1609"]
[BlackElo "1861"]
[PlyCount "33"]
[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. c4 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 d6 8. Be2 Nbd7 9. 0-0 Ne4 10. Qc2 f5 11. b4 0-0 12. d5 exd5 13. Nd4 Qe7 14. f3 c5 15. fxe4 cxd4 16. exd4 Qxe4 17. Bd3 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "5"]
[White "Nikishin, Igor"]
[Black "Kozyakov, Andrey"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1609"]
[BlackElo "1824"]
[PlyCount "154"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 h6 7. Nc3 Be7 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 Na6 11. h3 0-0 12. Bf4 Nd7 13. g4 Bh7 14. Bg3 Bf6 15. Rfd1 Rfe8 16. Ra5 Bd8 17. Raa1 Bc7 18. Bxc7 Nxc7 19. b4 a6 20. e3 e5 21. dxe5 Nxe5 22. Nxe5 Rxe5 23. Ne2 f5 24. gxf5 Bxf5 25. Nd4 Rf8 26. Rd2 Ne6 27. Nxe6 Bxe6 28. Re1 Rh5 29. e4 dxe4 30. Rxe4 Bd5 31. Rg4 Re8 32. Bxd5+ Rxd5 33. Rxd5 cxd5 34. Kf1 Kf7 35. b5 axb5 36. Rb4 Re7 37. Rxb5 Kf6 38. Ra5 Ke5 39. Ra7 Rc7 40. c6 Rxc6 41. Rxb7 g5 42. Ke2 Rc2+ 43. Ke3 d4+ 44. Kd3 Rxf2 45. Re7+ Kf6 46. Rd7 Rf3+ 47. Kxd4 Rxh3 48. Ke4 Rh4+ 49. Kf3 Rf4+ 50. Kg3 Ke5 51. Rh7 Rf6 52. Rb7 Kf5 53. b4 h5 54. Rb5+ Kg6 55. Rc5 h4+ 56. Kg2 Rf4 57. b5 Rb4 58. Kh3 Kh5 59. Rd5 Rb3+ 60. Kg2 h3+ 61. Kh2 Kh4 62. Rd4+ g4 63. Ra4 Rxb5 64. Rc4 Rb2+ 65. Kg1 Re2 66. Ra4 Kg3 67. Ra3+ Kf4 68. Ra4+ Re4 69. Ra8 Kf3 70. Rf8+ Kg3 71. Rf1 Kh4 72. Rf8 g3 73. Rh8+ Kg4 74. Rg8+ Kf3 75. Rf8+ Rf4 76. Rg8 g2 77. Rg3+ Kxg3 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "6"]
[White "Nochovniy, Vladimir Nikolaevic"]
[Black "Nikishin, Igor"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "1928"]
[BlackElo "1609"]
[PlyCount "108"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. a3 c5 11. b3 cxd4 12. exd4 Nb6 13. Qe2 Be7 14. Ne4 Bxe4 15. Bxe4 Nxe4 16. Qxe4 Qd5 17. Re1 Qxe4 18. Rxe4 Nd5 19. Bd2 Rc8 20. Ree1 0-0 21. a4 b4 22. Rac1 a5 23. Ne5 Nc3 24. Nc4 Rfd8 25. Nxa5 Rxd4 26. Bxc3 bxc3 27. Rc2 Bf6 28. Nc4 Rdd8 29. Kf1 Rc7 30. a5 Rc5 31. Ra1 Rb5 32. Rb1 Rdb8 33. Nb6 Bd4 34. b4 h6 35. Ke2 Bxb6 36. axb6 R8xb6 37. Rxc3 Rxb4 38. Rbc1 Rb2+ 39. R1c2 Rxc2+ 40. Rxc2 Kh7 41. f3 h5 42. Kf2 g6 43. h4 Kg7 44. Rc4 Kf6 45. Rc5 Rb2+ 46. Kg3 Ra2 47. Rb5 Ra6 48. Kf4 Ra4+ 49. Kg3 Ra2 50. Rb8 Ra6 51. Kf4 Ra4+ 52. Kg3 Rc4 53. Rb5 Rd4 54. Ra5 Rc4 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.20"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1993"]
[BlackElo "1609"]
[PlyCount "91"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 11. bxc4 e5 12. Ne2 Bd6 13. Qc2 Qe7 14. Bb2 Rfe8 15. Nd2 Ba3 16. f4 Bxb2 17. Qxb2 exd4 18. Nxd4 Bb7 19. e5 Ng4 20. Ne4 Ne3 21. Nd6 Nxf1 22. Rxf1 Nc5 23. Nxb7 Nxb7 24. Bxc6 Red8 25. Kh1 Rab8 26. Bd5 Na5 27. Nf5 Qf8 28. a4 Kh8 29. h4 Rbc8 30. Qe2 Nc6 31. Nd6 Rxd6 32. exd6 Qxd6 33. Bxf7 Qf6 34. Bd5 Ne7 35. Qe6 Qxe6 36. Bxe6 Rd8 37. f5 Nc6 38. Kg2 Rd2+ 39. Rf2 Rd1 40. Bd5 Nb4 41. g4 h6 42. g5 hxg5 43. hxg5 Nd3 44. Rf3 Rd2+ 45. Kf1 Rd1+ 46. Ke2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "2"]
[White "Marchenko, Daria1111"]
[Black "Nikishin, Igor"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1609"]
[PlyCount "128"]
[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. Nf3 d5 2. g3 Nf6 3. d3 c6 4. Bg2 Bg4 5. 0-0 Nbd7 6. Nbd2 e5 7. e4 Bd6 8. Re1 0-0 9. h3 Bh5 10. c3 Bc7 11. Qc2 Re8 12. Nh4 Bb6 13. Nf5 Qc7 14. a4 a5 15. Nf1 Rad8 16. Be3 Bg6 17. Bxb6 Nxb6 18. Nh4 d4 19. c4 c5 20. Nxg6 fxg6 21. Nd2 Rf8 22. Rf1 Nfd7 23. Nf3 Rf6 24. Qd2 Rdf8 25. Nh2 Nc8 26. h4 Ne7 27. f3 Nc6 28. Rf2 Nb6 29. Ng4 R6f7 30. Qg5 Qe7 31. Qxe7 Rxe7 32. b3 Ref7 33. Raf1 h5 34. Nh2 Nb4 35. Rd2 Rf6 36. Bh3 Kh7 37. Rff2 Kh6 38. Rg2 Na8 39. Bd7 R8f7 40. g4 Rf4 41. Be6 Re7 42. Bg8 hxg4 43. Rxg4 Rxg4+ 44. fxg4 g5 45. h5 g6 46. hxg6 Kxg6 47. Bd5 Nc7 48. Nf3 Ne8 49. Ne1 Nf6 50. Rg2 Rh7 51. Be6 Rh3 52. Rd2 Re3 53. Kf2 Kg7 54. Re2 Nxd3+ 55. Nxd3 Rxd3 56. Rb2 Nxe4+ 57. Ke2 Re3+ 58. Kd1 Kf6 59. Bd5 Nc3+ 60. Kc1 Re1+ 61. Kd2 Re2+ 62. Kc1 Rxb2 63. Kxb2 Nxd5 64. cxd5 e4 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "3"]
[White "Nikishin, Igor"]
[Black "Chentsov, Daniil"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1609"]
[BlackElo "1947"]
[PlyCount "115"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3 11. Bxf3 Nc6 12. Bxc6 bxc6 13. Bg5 Nd5 14. Bxe7 Qxe7 15. Ne4 Rab8 16. Rab1 Rb4 17. Nc5 Ra8 18. e4 Nf6 19. a5 e5 20. Na4 h5 21. Nc3 exd4 22. Rxd4 Ng4 23. Na2 Ne5 24. Kg2 Rb5 25. Qd2 Qf6 26. f4 Nd3 27. Rxc4 Nxb2 28. Rcc1 Rd8 29. Qe2 Nd3 30. Rd1 Rxb1 31. Rxb1 Qd4 32. Nc1 Nc5 33. Nb3 Qb4 34. Qc2 Qxe4+ 35. Qxe4 Nxe4 36. Rc1 Rd3 37. Nc5 Nxc5 38. Rxc5 Rd5 39. Rxc6 Rxa5 40. Rxc7 Ra2+ 41. Kh3 g6 42. Rc8+ Kg7 43. Ra8 a5 44. Ra7 a4 45. Ra6 a3 46. Ra7 Ra1 47. Ra6 Kf8 48. Ra7 Ke8 49. Kg2 Kd8 50. Rxf7 Rb1 51. Ra7 Rb2+ 52. Kf3 a2 53. h3 Kc8 54. g4 h4 55. f5 g5 56. f6 Rb1 57. Rxa2 Rf1+ 58. Rf2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.18"]
[Round "1"]
[White "Nikishin, Igor"]
[Black "Ermakov, Maksim"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1609"]
[BlackElo "2126"]
[PlyCount "52"]
[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. c4 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qc2 e5 12. Rd1 Bb7 13. dxe5 Qxe5 14. Bf4 Qe6 15. Nc3 Rfe8 16. Re1 Nh5 17. Bd2 Rad8 18. e4 f5 19. Bg5 Rd3 20. Nd5 fxe4 21. Nxc7 Qc6 22. Rac1 Re5 23. Bf4 Nxf4 24. gxf4 Rc5 25. b4 e3 26. fxe3 Qf3 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.30"]
[Round "9"]
[White "Nikishin, Igor"]
[Black "Borshch, Alexei"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1671"]
[BlackElo "1402"]
[PlyCount "100"]
[EventDate "2022.10.22"]
[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 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Be7 6. c4 c6 7. Nc3 h6 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 0-0 11. b4 Ne4 12. Nd2 Nxd2 13. Bxd2 Bf6 14. e3 Nd7 15. f3 a6 16. Kh1 Bh7 17. Be1 e5 18. Bh3 Rad8 19. Bf2 Rfe8 20. b5 Nb8 21. b6 Nd7 22. b4 Nf8 23. f4 exd4 24. exd4 Ne6 25. Rad1 Re7 26. Bg2 Rde8 27. Kg1 Nf8 28. h3 Bc2 29. Rd2 Bb3 30. Kh2 Bc4 31. Rc1 g5 32. Bf3 Nd7 33. Rg1 Bg7 34. Nd1 Nf6 35. Nc3 Re3 36. Bxe3 Rxe3 37. Bg2 Rxc3 38. fxg5 hxg5 39. Re1 Kf8 40. Rf2 g4 41. Rf5 gxh3 42. Bf3 Bd3 43. Rfe5 Ne4 44. Bxe4 Bxe4 45. R1xe4 dxe4 46. Rxe4 Rc4 47. Kxh3 Rxd4 48. Rxd4 Bxd4 49. Kg4 Bc3 50. Kf5 Bxb4 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.29"]
[Round "8"]
[White "Dmitriev, Maksim S"]
[Black "Nikishin, Igor"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1367"]
[BlackElo "1671"]
[PlyCount "51"]
[EventDate "2022.10.22"]
[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 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. c3 c6 6. Nbd2 Nbd7 7. Bg3 h6 8. h3 Be7 9. Be2 0-0 10. 0-0 Rc8 11. c4 Qb6 12. Qb3 Qa6 13. Rfe1 dxc4 14. Bxc4 b5 15. Bf1 Qb7 16. e4 Bh7 17. a4 a6 18. axb5 cxb5 19. Bd3 Nb6 20. Bh4 Rfd8 21. Qa2 Ra8 22. Qb3 Rac8 23. Qa2 Ra8 24. Qb3 Rac8 25. Qa2 Ra8 26. Qb3 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.28"]
[Round "7"]
[White "Nikishin, Igor"]
[Black "Veliev, Gasan"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1671"]
[BlackElo "2157"]
[PlyCount "162"]
[EventDate "2022.10.22"]
[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 b6 3. g3 Bb7 4. Bg2 g6 5. c4 Bg7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Na6 10. e4 c5 11. d5 d6 12. Bb2 Nb8 13. Nd2 Nd7 14. f4 Qc7 15. Rae1 Rad8 16. Rf2 Bc8 17. Rfe2 a6 18. a4 Qb8 19. Qd3 e5 20. f5 f6 21. g4 Bh6 22. Nf3 Bf4 23. Bc1 g5 24. Rb2 Qc7 25. Be3 h6 26. Kf2 Kg7 27. h4 Rh8 28. h5 Bxe3+ 29. Kxe3 Bb7 30. Reb1 Rb8 31. Ne1 b5 32. axb5 axb5 33. Bf1 b4 34. Nc2 Ra8 35. Kf3 Ra7 36. cxb4 cxb4 37. Rxb4 Nc5 38. Qe3 Rha8 39. Be2 Bc8 40. Kg2 Bd7 41. Kh2 Kf7 42. Kg2 Ke7 43. Kh2 Kd8 44. Kg2 Kc8 45. Kh2 Ra2 46. R1b2 Qa5 47. Bd1 Kc7 48. Kh1 Rxb2 49. Rxb2 Rb8 50. Rxb8 Kxb8 51. Kg2 Qa2 52. Qe2 Qb2 53. Kf3 Kc7 54. Qe3 Ba4 55. Qd2 Nb3 56. Qf2 Qc3+ 57. Kg2 Nc5 58. Qe2 Bb3 59. Na3 Bxd1 60. Nb5+ Kb6 61. Qxd1 Qxc4 62. Nxd6 Qa2+ 63. Kh1 Nb3 64. Qg1+ Nd4 65. Qc1 Qe2 66. Qb1+ Kc5 67. Nb7+ Kc4 68. Na5+ Kc3 69. Qc1+ Nc2 70. Qg1 Qxe4+ 71. Qg2 Qe1+ 72. Kh2 Ne3 73. Qf3 e4 74. Qh3 Qf2+ 75. Kh1 Kd4 76. d6 Qe1+ 77. Kh2 Qxa5 78. d7 Qc7+ 79. Kg1 Qxd7 80. Qh2 Kc3 81. Qe2 Qd1+ 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.27"]
[Round "6"]
[White "Zeliantsova, Kseniya"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2046"]
[BlackElo "1671"]
[PlyCount "75"]
[EventDate "2022.10.22"]
[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. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 Bb7 8. a4 g6 9. axb5 axb5 10. Rxa8 Qxa8 11. d4 cxd4 12. Nxd4 Bg7 13. Nxb5 0-0 14. Nd6 Ba6 15. Bd3 Bxd3 16. Qxd3 Ne5 17. Qe2 f5 18. Bg5 Nc8 19. Nxc8 Qxc8 20. exf5 Rxf5 21. Bh4 Nf7 22. Nd2 d5 23. f4 d4 24. g4 Rc5 25. Ne4 Rc6 26. Nf6+ Kh8 27. cxd4 Qd8 28. Qe4 Rd6 29. g5 Qb6 30. Bf2 Bxf6 31. gxf6 Qd8 32. Bh4 Qb6 33. Rd1 Qxb2 34. Bf2 Qb8 35. Ra1 Qf8 36. Ra7 Nd8 37. f7 Rd5 38. Bh4 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.26"]
[Round "5"]
[White "Nikishin, Igor"]
[Black "Borsch, Sergey"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "1671"]
[BlackElo "1899"]
[PlyCount "99"]
[EventDate "2022.10.22"]
[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 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. Nc3 c5 7. 0-0 cxd4 8. exd4 b5 9. Bb3 Bb7 10. Bg5 Be7 11. d5 Nxd5 12. Bxd5 Bxd5 13. Bxe7 Kxe7 14. Nxd5+ Qxd5 15. Qc1 Rd8 16. Qc2 Qf5 17. Qc3 Kf8 18. Ne5 Qf6 19. Rad1 Qe7 20. Rxd8+ Qxd8 21. Nxf7 Qd5 22. Ne5 Ke7 23. Nd3 Kf7 24. Ne5+ Ke7 25. Re1 Ra7 26. Qg3 Ke8 27. Qc3 Re7 28. Qc8+ Qd8 29. Rc1 g6 30. h4 a5 31. b3 Nd7 32. Qxd8+ Kxd8 33. Nc6+ Ke8 34. Nxe7 Kxe7 35. Rc6 a4 36. bxa4 bxa4 37. Ra6 Nc5 38. Ra7+ Kd6 39. Rxh7 Ne4 40. Ra7 Nc3 41. a3 Kc5 42. g4 Kc4 43. h5 gxh5 44. gxh5 Kb3 45. h6 Ne2+ 46. Kf1 Nf4 47. h7 Ng6 48. Rg7 Nh8 49. Rg8 Nf7 50. Rg3+ 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.25"]
[Round "4"]
[White "Kuznetsova, Marina"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2108"]
[BlackElo "1671"]
[PlyCount "147"]
[EventDate "2022.10.22"]
[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. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 d6 6. d4 Nf6 7. Nc3 cxd4 8. Qxd4 e5 9. Qd3 h6 10. b3 Be6 11. Bb2 Be7 12. 0-0-0 0-0 13. h3 a6 14. g4 Nd7 15. Nd5 Bxd5 16. Qxd5 Qc7 17. Kb1 Rac8 18. Qd3 Nc5 19. Qe2 Ne6 20. h4 b5 21. Ne1 g6 22. Qd2 Kg7 23. f4 f6 24. f5 Nc5 25. Qe2 g5 26. Ng2 Qc6 27. Rd5 Nd7 28. Rhd1 Nb6 29. R5d2 Rfd8 30. Qf3 a5 31. Ne3 Rb8 32. Nd5 Nxd5 33. Rxd5 Rdc8 34. Qf2 Rc7 35. R1d3 b4 36. c4 bxc3 37. Rxc3 Qb7 38. Rxc7 Qxc7 39. Rd1 a4 40. hxg5 fxg5 41. Rf1 Bf6 42. Qc2 Qb7 43. bxa4 Rc8 44. Qd3 Rb8 45. Rf2 Qb6 46. Rg2 Be7 47. Qc4 Bf6 48. Rc2 Rb7 49. Ka1 Qg1+ 50. Rc1 Qxg4 51. Qc6 Rf7 52. a5 Qe2 53. Ba3 g4 54. Bxd6 Qe3 55. Rc3 Qe1+ 56. Kb2 g3 57. Bc5 g2 58. Rc2 Qxa5 59. Bg1 Be7 60. Qg6+ Kf8 61. Rc8+ Bd8 62. Bc5+ Qxc5 63. Rxc5 Rg7 64. Qd6+ Kf7 65. Qd7+ Kg8 66. Qxd8+ Kh7 67. Rc1 g1Q 68. Rxg1 Rxg1 69. Qe7+ Rg7 70. Qxe5 h5 71. f6 Rb7+ 72. Kc3 Kg6 73. Qf5+ Kh6 74. f7 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.24"]
[Round "3"]
[White "Nikishin, Igor"]
[Black "Semenenko, Sergey"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1671"]
[BlackElo "2031"]
[PlyCount "102"]
[EventDate "2022.10.22"]
[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. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. 0-0 0-0 9. Nbd2 d6 10. Re1 Nbd7 11. e4 e5 12. d5 Qc7 13. b3 Nc5 14. Qc2 a5 15. a4 Nh5 16. Nf1 Rae8 17. Ne3 Bc8 18. Rf1 g6 19. Nd2 f5 20. Rae1 Rf7 21. Nd1 f4 22. Nb2 Ref8 23. Qd1 f3 24. Nxf3 Bg4 25. Re3 Nxe4 26. Rxe4 Bxf3 27. Bxf3 Rxf3 28. Nd3 Qc8 29. Ne1 R3f7 30. f3 Nf6 31. Re2 Qc5+ 32. Kg2 Kg7 33. Nd3 Qd4 34. Nf4 Qxd1 35. Ne6+ Kg8 36. Rxd1 Rc8 37. Ng5 Rd7 38. Ne4 Rf8 39. Nxf6+ Rxf6 40. Re4 Rdf7 41. Rf1 Kg7 42. h4 h6 43. Rf2 Rf8 44. Rf1 Rf5 45. Rf2 h5 46. Rf1 R8f6 47. Rf2 g5 48. hxg5 Rxg5 49. Kh3 Rgf5 50. f4 Rg6 51. Rfe2 exf4 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.23"]
[Round "2"]
[White "Radzko, Tatsiana"]
[Black "Nikishin, Igor"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1177"]
[BlackElo "1671"]
[PlyCount "38"]
[EventDate "2022.10.22"]
[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. b4 cxb4 3. a3 e5 4. Nf3 Nc6 5. Bb5 Be7 6. Bxc6 dxc6 7. axb4 Bxb4 8. Nxe5 Qd4 9. Ra4 Qxe4+ 10. Kf1 Qxe5 11. Rxb4 Nf6 12. Bb2 Qe7 13. Rb3 Be6 14. Rg3 Rg8 15. Qf3 0-0-0 16. Rxg7 Rxg7 17. Qxf6 Bc4+ 18. d3 Rxd3 19. g3 Rdxg3# 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.22"]
[Round "1"]
[White "Nikishin, Igor"]
[Black "Kazmin, Semen"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1671"]
[BlackElo "2230"]
[PlyCount "86"]
[EventDate "2022.10.22"]
[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. c4 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 e4 8. Nd4 Bb4+ 9. Nc3 Bxc3+ 10. bxc3 Qa5 11. 0-0 dxc4 12. Qc2 0-0 13. a4 Nc6 14. Be3 Ne5 15. Nb5 Bf5 16. Bd4 Ned7 17. Nd6 Bg6 18. Nxc4 Qa6 19. Ne3 Rac8 20. Rfd1 Rfe8 21. Bh3 Rc7 22. Bxd7 Nxd7 23. Nd5 Rcc8 24. Ne3 Nf8 25. c4 Ne6 26. Qc3 Red8 27. a5 f6 28. Rac1 Bh5 29. Nf5 Kf7 30. c5 Bxe2 31. Rd2 Bg4 32. Ne3 Bh3 33. Rcd1 Ng5 34. Rb2 Rc7 35. Qb3+ Be6 36. Qb4 Rcd7 37. Rbd2 Bh3 38. Qb3+ Kg6 39. Qc3 Nf3+ 40. Kh1 Nxd2 41. Rxd2 Qb5 42. Rb2 Qa4 43. Rb4 Rxd4 0-1

[Event "Wch-ch U08 rapid"]
[Site "Minsk"]
[Date "2019.08.17"]
[Round "8"]
[White "Nikishin, Igor"]
[Black "Bouska, Jiri"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1139"]
[BlackElo "1465"]
[PlyCount "178"]
[EventDate "2019.08.16"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 e6 6. Be2 Nf6 7. 0-0 Be7 8. Be3 0-0 9. Qd2 e5 10. Nb3 Be6 11. f4 exf4 12. Bxf4 a6 13. Rad1 Ne5 14. Nd4 Nc4 15. Bxc4 Bxc4 16. Rf3 Qc7 17. Nf5 Rad8 18. Nxe7+ Qxe7 19. b3 Be6 20. Rd3 Bg4 21. Re1 Rfe8 22. e5 dxe5 23. Rxe5 Be6 24. Bg5 Rxd3 25. Qxd3 Rd8 26. Qe2 h6 27. Bh4 g5 28. Bf2 Qb4 29. Ne4 Nxe4 30. Rxe4 Qc3 31. Rxe6 fxe6 32. Qxe6+ Kf8 33. Qf5+ Kg7 34. h3 Qf6 35. Qc5 Rd1+ 36. Kh2 Qd6+ 37. Qxd6 Rxd6 38. c3 Kg6 39. Bd4 Re6 40. a4 Kf5 41. Kg3 h5 42. Kf3 Re1 43. g4+ hxg4+ 44. hxg4+ Ke6 45. b4 Ra1 46. a5 Kd5 47. Ke3 Re1+ 48. Kf2 Re4 49. Kf3 Rxd4 50. cxd4 Kxd4 51. Kf2 Ke4 52. Kg3 Ke3 53. Kh3 Kf3 54. Kh2 Kxg4 55. Kg2 Kf4 56. Kf2 g4 57. Kg2 g3 58. Kg1 Kf3 59. Kf1 g2+ 60. Kg1 Ke4 61. Kxg2 Kd4 62. Kf3 Kc4 63. Ke4 Kxb4 64. Kd4 Kxa5 65. Kc5 b5 66. Kd4 Kb4 67. Kd3 a5 68. Kc2 a4 69. Kb2 a3+ 70. Ka2 Ka4 71. Kb1 b4 72. Kc2 b3+ 73. Kc1 a2 74. Kb2 Kb4 75. Ka1 Ka4 76. Kb2 a1Q+ 77. Kxa1 Ka3 78. Kb1 b2 79. Kc2 Ka2 80. Kc3 b1Q 81. Kc4 Ka3 82. Kc5 Qd3 83. Kc6 Kb4 84. Kc7 Qd5 85. Kb6 Qd6+ 86. Ka7 Kb5 87. Kb7 Qd7+ 88. Ka8 Ka6 89. Kb8 Qd8# 0-1

[Event "Wch-ch U08 rapid"]
[Site "Minsk"]
[Date "2019.08.17"]
[Round "9"]
[White "Preobrazhenskaya, Diana"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1311"]
[BlackElo "1139"]
[PlyCount "125"]
[EventDate "2019.08.16"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[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 Nb8 9. Bd3 Be7 10. 0-0 0-0 11. f4 f5 12. fxe5 dxe5 13. d6 Bg5 14. Bc4+ Kh8 15. Nc7 Bxc1 16. Rxc1 Rf6 17. Nxa8 Rxd6 18. Qe2 Nc6 19. Rcd1 Nd4 20. Qe3 Nxc2 21. Rxd6 Qxd6 22. Qg5 Qd4+ 23. Kh1 Qxc4 24. Qd8+ Qg8 25. Qxg8+ Kxg8 26. Rc1 Be6 27. Rxc2 Bxa2 28. Rc8+ Kf7 29. Rc7+ Ke6 30. Rxg7 e4 31. Kg1 e3 32. Kf1 Bc4+ 33. Ke1 e2 34. Rxb7 Kd5 35. Nc7+ Kc6 36. Rxa7 Kb6 37. Ra4 Bd3 38. Nd5+ Kb5 39. Nc3+ Kc5 40. Kd2 Kd6 41. Rd4+ Kc5 42. Rxd3 e1Q+ 43. Kxe1 Kc4 44. Rf3 h5 45. Rxf5 h4 46. g4 hxg3 47. hxg3 Kb3 48. g4 Kxb2 49. g5 Kxc3 50. g6 Kd4 51. g7 Ke4 52. Rf8 Ke5 53. g8Q Ke4 54. Qe6+ Kd4 55. Rd8+ Kc5 56. Qc8+ Kb6 57. Rd6+ Kb5 58. Qc6+ Kb4 59. Rd4+ Kb3 60. Qc4+ Kb2 61. Rd2+ Kb1 62. Qa2+ Kc1 63. Qa1# 1-0

