[Event "Chigorin Memorial 31st"]
[Site "St Petersburg"]
[Date "2024.10.30"]
[Round "5"]
[White "Urvantsev, Nikolay"]
[Black "Yakovlev, Ivan D"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1722"]
[PlyCount "74"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Bf5 6. Bd3 Bg6 7. Qc2 Qb6 8. Bxg6 hxg6 9. 0-0 e6 10. Nbd2 Rc8 11. Ne5 Be7 12. Ndf3 0-0 13. Nxc6 Qxc6 14. Ne5 Qb6 15. Qd2 g5 16. Bg3 Rfd8 17. f3 Bd6 18. Nd3 Bxg3 19. hxg3 Nd7 20. Kh1 Re8 21. Ne5 Nxe5 22. dxe5 g6 23. Rf2 Kg7 24. Raf1 Rh8+ 25. Kg1 Rh7 26. Re2 Rch8 27. Kf2 Rh1 28. Ree1 R1h2 29. Re2 Qa6 30. b4 cxb4 31. cxb4 Rc8 32. Rc1 Rxc1 33. Qxc1 Rxg2+ 34. Kxg2 Qxe2+ 35. Kh3 Qxf3 36. Qc8 Qh1+ 37. Kg4 Qh5# 0-1

[Event "Chigorin Memorial 31st"]
[Site "St Petersburg"]
[Date "2024.10.29"]
[Round "4"]
[White "Yakovlev, Ivan D"]
[Black "Andronov, Ilya"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "1722"]
[BlackElo "1892"]
[PlyCount "150"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. a4 h6 12. Nbd2 Bf8 13. Bc2 exd4 14. cxd4 Nb4 15. b3 Nxc2 16. Qxc2 c5 17. dxc5 dxc5 18. Bb2 Qb6 19. Bxf6 Qxf6 20. e5 Qb6 21. axb5 axb5 22. Rac1 Rac8 23. Nh2 Red8 24. Ng4 Qe6 25. Ne4 Bxe4 26. Rxe4 Qd5 27. Rce1 Qd3 28. Qb2 h5 29. Nh2 c4 30. bxc4 bxc4 31. e6 fxe6 32. R4e3 c3 33. Rxd3 cxb2 34. Rxd8 Rxd8 35. Rb1 Ba3 36. Nf1 Rc8 37. Kh2 Bd6+ 38. g3 Be5 39. Kg2 Rc2 40. Kf3 Bc3 41. h4 Rc1 42. Nd2 Bxd2 43. Rxb2 Bc3 44. Rb8+ Kf7 45. Rb7+ Kf6 46. Rb5 g6 47. Rb3 Bd4 48. Rd3 Rc3 49. Rxc3 Bxc3 50. Ke3 Kf5 51. Kf3 Bd4 52. Kg2 Bxf2 53. Kxf2 Ke4 54. Ke2 e5 55. Kf2 Kd3 56. Kf3 e4+ 57. Kf4 e3 58. Kg5 e2 59. Kxg6 e1Q 60. Kxh5 Qxg3 61. Kh6 Qg8 62. h5 Qh8+ 63. Kg6 Ke4 64. h6 Kf4 65. h7 Ke4 66. Kf7 Kf5 67. Ke7 Qxh7+ 68. Kd6 Ke4 69. Kc5 Qd7 70. Kc4 Qc6+ 71. Kb4 Kd4 72. Kb3 Qc3+ 73. Ka4 Qb2 74. Ka5 Kc5 75. Ka4 Qb4# 0-1

[Event "Chigorin Memorial 31st"]
[Site "St Petersburg"]
[Date "2024.10.28"]
[Round "3"]
[White "Iudina, Veronika"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1932"]
[BlackElo "1722"]
[PlyCount "111"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 e6 7. Bc4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Rd1 Qc7 11. Bd2 b6 12. Nc3 Nxc3 13. Bxc3 dxe5 14. dxe5 Bb7 15. Rac1 Rfd8 16. Bd3 a5 17. Bd2 Bc5 18. Bg5 Rd7 19. Qe4 g6 20. Qf4 Nb4 21. Bb5 Rxd1+ 22. Rxd1 Nd5 23. Qh4 Bc6 24. Bxc6 Qxc6 25. Nd2 Bf8 26. Ne4 Bg7 27. Nf6+ Nxf6 28. exf6 Bf8 29. h3 h5 30. Qf4 Rc8 31. Qd2 Qc4 32. Qd7 Rc5 33. b3 Qe2 34. Be3 Rc7 35. Qd4 e5 36. Qd5 Rc6 37. Qxc6 Qxd1+ 38. Kh2 e4 39. Qxe4 Qd6+ 40. f4 Qxf6 41. Bd4 Qd6 42. Be5 Qe7 43. Qc6 Bg7 44. Bxg7 Kxg7 45. Qxb6 Qa3 46. Qf2 Qc1 47. f5 Qc3 48. fxg6 fxg6 49. Qg3 Qd2 50. Qe5+ Kh7 51. a3 Kh6 52. Qh8+ Kg5 53. h4+ Kxh4 54. Qf6+ g5 55. Qf3 Qf4+ 56. g3+ 1-0

[Event "Chigorin Memorial 31st"]
[Site "St Petersburg"]
[Date "2024.10.27"]
[Round "2"]
[White "Yakovlev, Ivan D"]
[Black "Popkov, Alexander R"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "1722"]
[BlackElo "1942"]
[PlyCount "82"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e4 b5 5. a4 c6 6. axb5 cxb5 7. b3 Nf6 8. e5 Ne4 9. bxc4 Bb4+ 10. Bd2 Nxd2 11. Nbxd2 Bc3 12. Rb1 b4 13. Be2 Nc6 14. 0-0 Bxd4 15. Nxd4 Qxd4 16. Bf3 Bd7 17. Ne4 Qxe5 18. Nd6+ Ke7 19. Nxf7 Qc5 20. Nxh8 Rxh8 21. Bxc6 Bxc6 22. Qg4 g6 23. Qh4+ g5 24. Qh6 Rf8 25. Qxh7+ Rf7 26. Qh5 Be4 27. Rbd1 Rh7 28. Qg4 Qf5 29. Qg3 Qf4 30. Qxf4 gxf4 31. c5 b3 32. Rd4 Bc2 33. c6 e5 34. Rd2 Rh6 35. Rd7+ Ke8 36. Rxa7 Rxc6 37. Rb7 Kd8 38. Ra1 Rc7 39. Rb4 Kd7 40. h4 Kd6 41. Ra3 Rh7 1/2-1/2

[Event "Chigorin Memorial 31st"]
[Site "St Petersburg"]
[Date "2024.10.26"]
[Round "1"]
[White "Klachkou, Platon"]
[Black "Yakovlev, Ivan D"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2002"]
[BlackElo "1722"]
[PlyCount "94"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 e6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 b5 9. Qd3 c4 10. Qc2 Rc8 11. a4 Nb4 12. Qd1 bxa4 13. Nc3 Be7 14. Ne5 0-0 15. e4 h6 16. Qe2 Nc6 17. Nxc6 Bxc6 18. Rd1 Bb4 19. e5 Nd5 20. Ne4 f5 21. exf6 Nxf6 22. Nxf6+ Qxf6 23. Bxc6 Rxc6 24. Rxa4 a5 25. Bd2 Rb6 26. Be3 Rc6 27. Bd2 Rb6 28. Bf4 Rc6 29. d5 exd5 30. Rxd5 c3 31. bxc3 Rxc3 32. Rd7 Qf5 33. Rc7 Rxc7 34. Bxc7 Rc8 35. Bf4 Qd7 36. Ra1 Re8 37. Qc4+ Kh8 38. Qb3 Qf5 39. Qa4 Qf7 40. Rd1 Qg6 41. Qd7 Re1+ 42. Rxe1 Bxe1 43. Be5 Bb4 44. f4 Bc5+ 45. Kg2 Bb4 46. Kf1 Qb1+ 47. Ke2 Qe4+ 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.22"]
[Round "9"]
[White "Trizna, Vadim"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2143"]
[BlackElo "1613"]
[PlyCount "104"]
[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 d5 2. Bf4 c5 3. e3 Nf6 4. c3 Nc6 5. Nd2 Bf5 6. Qb3 Qc8 7. Ngf3 e6 8. Nh4 Be7 9. Nxf5 exf5 10. dxc5 Bxc5 11. Bd3 0-0 12. Bg5 Ne5 13. Be2 Ned7 14. Rd1 h6 15. Bf4 Re8 16. Bg3 Bf8 17. 0-0 g6 18. Nf3 Nc5 19. Qc2 Nce4 20. Bb5 Re7 21. Ba4 Nxg3 22. hxg3 Bg7 23. Rd3 Qc5 24. Rfd1 b5 25. Bb3 Rd8 26. a4 a6 27. Qb1 b4 28. Qa2 bxc3 29. Rxc3 Qb6 30. a5 Qb4 31. Nd4 Ne4 32. Nc6 Nxc3 33. bxc3 Qd6 34. Nxd8 Qxd8 35. Bxd5 Qc7 36. c4 Bc3 37. Rb1 Qxa5 38. Qxa5 Bxa5 39. Ra1 Bc3 40. Rxa6 Kg7 41. Kf1 Rc7 42. Ke2 g5 43. f3 g4 44. Ra4 h5 45. Ra6 Be5 46. Kf2 Bc3 47. Ra3 Bb2 48. Ra2 Bc3 49. Rc2 Bb4 50. e4 fxe4 51. Bxe4 Bc5+ 52. Ke2 Re7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "7"]
[White "Kurkova, Sofia"]
[Black "Yakovlev, Ivan D"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1854"]
[BlackElo "1613"]
[PlyCount "108"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 a6 7. 0-0 b5 8. Bb3 Na5 9. Re1 Nxb3 10. Qxb3 Bb7 11. Bf4 Nf6 12. a4 b4 13. Nd5 Nxd5 14. exd5 Bc5 15. dxe6 fxe6 16. Rac1 Rc8 17. Ng5 0-0 18. Rxc5 Rxc5 19. Qxb4 Qa5 20. Qxa5 Rxa5 21. Nh3 Rxa4 22. Bd6 Rc8 23. f3 Rc2 24. Be5 Bd5 25. Nf2 Rac4 26. Bc3 a5 27. Ng4 R2xc3 28. bxc3 Rxc3 29. Ra1 Rc5 30. Ne5 d6 31. Nd3 Rb5 32. Kf2 Bc4 33. Nf4 e5 34. Nh3 Bb3 35. Ng5 a4 36. Rc1 Rc5 37. Ra1 Rc2+ 38. Kg3 h6 39. Ne4 d5 40. Nf2 d4 41. Nd3 e4 42. Ne1 Rc3 43. Kf4 e3 44. Ke4 Rc4 45. Kd3 Kf7 46. f4 Ke6 47. Ke4 Kd6 48. g4 Rb4 49. g5 Bd5+ 50. Kd3 hxg5 51. fxg5 Ke5 52. h4 Be4+ 53. Ke2 Rb2+ 54. Kd1 d3 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "6"]
[White "Yakovlev, Ivan D"]
[Black "Reger, Valeriia"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1613"]
[BlackElo "1977"]
[PlyCount "103"]
[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. Bg5 d5 4. e3 Be7 5. Nf3 0-0 6. Bd3 a6 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. Qe2 Nbd7 11. Rd1 Nd5 12. Bxe7 Qxe7 13. Nc3 c5 14. Nxd5 Bxd5 15. dxc5 Nxc5 16. e4 Bb7 17. Rac1 Nxd3 18. Rxd3 Rad8 19. Rcd1 Rxd3 20. Rxd3 Rc8 21. h3 h6 22. e5 Bd5 23. b3 Qc5 24. Rd2 Qc1+ 25. Rd1 Qf4 26. Ne1 Rc1 27. Nd3 Rxd1+ 28. Qxd1 Qe4 29. f3 Qd4+ 30. Kf1 a5 31. Ke2 a4 32. Qc2 axb3 33. axb3 Qg1 34. Ne1 Qa7 35. Qc8+ Kh7 36. Qc2+ g6 37. Nd3 Qa3 38. Nc1 Kg7 39. Qc3 Qa7 40. Qe3 Qc7 41. Kf2 Qc2+ 42. Kg3 Qf5 43. Kh2 h5 44. h4 Qc2 45. Kg3 Qc7 46. Kh3 b4 47. Qf4 Kg8 48. Nd3 Qc3 49. Nxb4 Bxb3 50. Kg3 Bc4 51. Nc6 Bd3 52. Nd4 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.19"]
[Round "5"]
[White "Ignatiev, Aleksey1"]
[Black "Yakovlev, Ivan D"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "1781"]
[BlackElo "1613"]
[PlyCount "86"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 Be6 10. h3 Nc6 11. Be3 b5 12. f4 Rc8 13. f5 Bc4 14. b3 Bxe2 15. Nxe2 h6 16. Qd2 Qc7 17. Rac1 b4 18. c3 a5 19. cxb4 axb4 20. Rc4 Qb7 21. Rfc1 Nd7 22. g4 Nc5 23. Ng3 f6 24. h4 Qa6 25. g5 hxg5 26. hxg5 fxg5 27. Bxg5 Bxg5 28. Qxg5 Qxa2 29. Nh5 Rf7 30. f6 Rcc7 31. R4c2 Qa7 32. Kh1 Nd4 33. Rf2 Nd3 34. Rcf1 Nxf2+ 35. Rxf2 Ne6 36. Qg3 Rc3 37. Bf3 Ng5 38. Kg2 Qe3 39. Nxg7 Nxe4 40. Nf5+ Nxg3 41. Nxe3 Rxe3 42. Kxg3 Rxf6 43. Rg2 Rfxf3+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "3"]
[White "Ponomarev, Egor1"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1789"]
[BlackElo "1613"]
[PlyCount "81"]
[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. Nc3 Nf6 3. Bf4 c6 4. e3 Bf5 5. Nf3 e6 6. Ne5 Nbd7 7. g4 Nxe5 8. gxf5 Ned7 9. fxe6 fxe6 10. Bh3 Qe7 11. Bg5 h6 12. Bxf6 Nxf6 13. f4 b5 14. Bg2 b4 15. Na4 h5 16. Qe2 Qc7 17. Qd3 h4 18. Bh3 Kf7 19. 0-0 Bd6 20. c4 Rae8 21. Kh1 Qa5 22. b3 Qa6 23. Nb2 c5 24. cxd5 Qxd3 25. dxe6+ Ke7 26. Nxd3 cxd4 27. exd4 Nd5 28. Rae1 Rc8 29. Ne5 Bxe5 30. fxe5 Rc2 31. Rf7+ Ke8 32. Bg2 Ne7 33. d5 Rxg2 34. Kxg2 h3+ 35. Kg3 Nxd5 36. Rd1 Nc3 37. Rdd7 Ne4+ 38. Kg4 Nc5 39. Rxa7 Nxe6 40. Rfe7+ Kf8 41. Rxe6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "4"]
[White "Yakovlev, Ivan D"]
[Black "Milchenko, Valerii"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1613"]
[BlackElo "1837"]
[PlyCount "119"]
[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. Bg5 Be7 4. Nf3 b6 5. e3 Bb7 6. Nc3 d6 7. Bd3 Nbd7 8. 0-0 0-0 9. Nd2 h6 10. Bh4 Nh7 11. Bxe7 Qxe7 12. Qc2 f5 13. f4 Nhf6 14. Rae1 Qf7 15. e4 Qg6 16. d5 exd5 17. exd5 Nh5 18. Re7 Rad8 19. Re6 Rf6 20. Rxf6 Qxf6 21. Bxf5 Qd4+ 22. Kh1 Nf8 23. Nb3 Qe3 24. Qe4 Re8 25. Qxe3 Rxe3 26. g3 g6 27. Be4 Nf6 28. Bf3 h5 29. Nd1 Re7 30. Kg2 N8d7 31. Kf2 Ba6 32. Nd2 b5 33. cxb5 Bxb5 34. Re1 Rxe1 35. Kxe1 Nb6 36. Nc3 Bd7 37. Nf1 Kg7 38. Ne3 a5 39. Kd2 a4 40. Kd3 Bc8 41. Kd4 Bd7 42. Nc4 Ng4 43. Nxb6 cxb6 44. Bxg4 hxg4 45. Kc4 Kf6 46. Nb5 Ke7 47. Kb4 Be8 48. Kxa4 Kf6 49. Kb4 Bf7 50. Kc4 Ke7 51. a4 Kd7 52. b4 Bg8 53. a5 bxa5 54. bxa5 Kc8 55. Nxd6+ Kb8 56. Kc5 Ka7 57. Nc4 Kb7 58. d6 Be6 59. Ne5 Kc8 60. Nxg6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "1"]
[White "Vasiliev, Artur"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "1964"]
[BlackElo "1613"]
[PlyCount "69"]
[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. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 10. 0-0 Be6 11. Bg5 0-0 12. Na4 h6 13. Bf4 Re8 14. h3 Nh5 15. Nxb6 axb6 16. Be3 Na5 17. Nxa5 bxa5 18. Rc1 Rc8 19. Qd2 Nf6 20. Rxc8 Qxc8 21. Rc1 Qd7 22. Kh2 d4 23. Bxd4 Bxa2 24. b4 axb4 25. Qxa2 Qxd4 26. Rc7 Rf8 27. e3 Qd6 28. Rxb7 h5 29. Qc4 h4 30. Rxb4 hxg3+ 31. fxg3 Nh5 32. Qg4 Nf6 33. Qf4 Qd2 34. Rd4 Qe2 35. e4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "2"]
[White "Yakovlev, Ivan D"]
[Black "Aristova, Yuliya"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "1613"]
[BlackElo "1818"]
[PlyCount "139"]
[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 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. g3 Bg7 11. Kg2 0-0 12. Rb1 Qa5 13. Qe2 Ng4 14. Nd2 Bxc3 15. Qxg4 Bxd2 16. Bxd2 Qxd2 17. Qxd7 Qd4 18. Rhe1 Rfe8 19. a3 Kf8 20. Qg4 Ra4 21. Qd1 Rb8 22. Qxd4 Rxd4 23. Re3 f5 24. exf5 gxf5 25. Rbe1 Rb7 26. Rf3 Rxd5 27. g4 Rxb2 28. gxf5 c4 29. f6 e5 30. Rc3 Rdd2 31. Rxc4 Rxf2+ 32. Kg1 Rg2+ 33. Kh1 Rxh2+ 34. Kg1 Rbg2+ 35. Kf1 Rg6 36. a4 Rxf6+ 37. Kg1 Rh5 38. Rg4 Rg6 39. Rxg6 hxg6 40. a5 Ke7 41. a6 Rh8 42. Rb1 Kd7 43. a7 Ra8 44. Rb7+ Kc6 45. Rg7 Kc5 46. Kf2 d5 47. Ke3 e4 48. Rc7+ Kd6 49. Rg7 Ke5 50. Re7+ Kf6 51. Rd7 Ke6 52. Rg7 g5 53. Rg6+ Kf5 54. Rd6 Ke5 55. Rd7 g4 56. Re7+ Kf6 57. Rd7 Ke6 58. Rg7 g3 59. Rg6+ Kf5 60. Rd6 Ke5 61. Rd7 Rg8 62. Rg7 d4+ 63. Ke2 Ra8 64. Re7+ Kd5 65. Rd7+ Ke6 66. Rg7 d3+ 67. Ke3 Rd8 68. Rxg3 d2 69. Rg1 Ra8 70. Kxd2 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.29"]
[Round "8"]
[White "Frolov, Zakhar"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1480"]
[BlackElo "1168"]
[PlyCount "127"]
[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. c4 g6 3. Nc3 d5 4. Bg5 c6 5. Bxf6 exf6 6. cxd5 cxd5 7. Qb3 Nc6 8. e3 Bb4 9. Bd3 Bxc3+ 10. Qxc3 0-0 11. h4 Qa5 12. Qxa5 Nxa5 13. Rc1 Be6 14. Ne2 Rac8 15. b3 Rxc1+ 16. Nxc1 Rc8 17. Kd2 Kf8 18. Ne2 Ke7 19. h5 f5 20. hxg6 hxg6 21. Rh7 Nc6 22. f3 Nb4 23. Bb1 Kf6 24. Nc3 Nc6 25. a3 a6 26. Na4 Na5 27. Bc2 Bd7 28. Nb6 Rd8 29. Nxd5+ Ke6 30. Nc3 Bc6 31. Kd3 b5 32. e4 fxe4+ 33. fxe4 Be8 34. Nd5 Rc8 35. Nb4 Nb7 36. Nxa6 Ke7 37. Rh8 b4 38. Rxe8+ Rxe8 39. Nxb4 Rh8 40. Nd5+ Kd6 41. Ne3 Ke6 42. e5 f6 43. exf6 Kxf6 44. b4 Nd6 45. a4 Rh4 46. b5 Rh5 47. Bb3 Ke7 48. Bd5 Kd7 49. Bc6+ Kc7 50. Nd5+ Kb8 51. Nc3 Nb7 52. Bf3 Rh7 53. Kc4 Rc7+ 54. Kb4 Rd7 55. Ne2 Rc7 56. Nc3 Rd7 57. Bd5 Re7 58. a5 Re1 59. a6 Nd6 60. b6 Ra1 61. a7+ Rxa7 62. bxa7+ Kxa7 63. Nb5+ Nxb5 64. Kxb5 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.27"]
[Round "6"]
[White "Fokin, Anatoly"]
[Black "Yakovlev, Ivan D"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1494"]
[BlackElo "1168"]
[PlyCount "47"]
[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. Bf4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e3 a6 6. Bd3 0-0 7. h3 c5 8. 0-0 Nc6 9. Re1 cxd4 10. exd4 Nh5 11. Be5 Nxe5 12. dxe5 Nf4 13. Bf1 e6 14. g3 Nh5 15. Qd2 f5 16. Ne2 Qe8 17. Bg2 Bh8 18. g4 Ng7 19. Qh6 Qe7 20. Ng5 Ne8 21. Nd4 f4 22. Rad1 Qg7 23. Qh4 Nc7 24. b3 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.26"]
[Round "5"]
[White "Yakovlev, Ivan D"]
[Black "Verkhoturov, Damir"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1168"]
[BlackElo "1212"]
[PlyCount "112"]
[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. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 d6 7. g3 b6 8. Bg2 Bb7 9. Nc3 Nbd7 10. Nb5 Qd8 11. 0-0 a6 12. Nc3 0-0 13. Qg5 h6 14. Qd2 c5 15. e3 cxd4 16. exd4 Rc8 17. b3 d5 18. cxd5 Nxd5 19. Nxd5 Bxd5 20. Qe3 Nf6 21. Rfc1 Rxc1+ 22. Rxc1 Qd6 23. b4 Rd8 24. Rd1 Ra8 25. Rc1 a5 26. Qe5 Qf8 27. Qc7 axb4 28. axb4 Qxb4 29. Ne5 Rf8 30. Nc6 Bxc6 31. Rxc6 Qxd4 32. Qxb6 Qxb6 33. Rxb6 Rd8 34. h3 Rd1+ 35. Kh2 Rd2 36. Kg1 Kh7 37. Rb7 Kg6 38. Bf1 Ne4 39. Rb4 Nxf2 40. Rf4 Nd1 41. Rg4+ Kh7 42. Rf4 Ne3 43. Rxf7 Rd1 44. Rf3 Rxf1+ 45. Rxf1 Nxf1 46. Kxf1 Kg6 47. Kf2 Kf5 48. Kf3 h5 49. Kf2 Ke4 50. Ke2 g5 51. Kf2 Kd3 52. Kf3 e5 53. g4 h4 54. Kf2 e4 55. Ke1 Ke3 56. Kf1 Kd2 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.25"]
[Round "4"]
[White "Tsareva, Darya"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1315"]
[BlackElo "1168"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. Qd2 0-0 9. f4 b5 10. a3 Bb7 11. Bf3 e5 12. Nf5 Qc7 13. 0-0 Rd8 14. Nd5 Nxd5 15. exd5 Bf6 16. c3 Nd7 17. g4 Nc5 18. Rad1 g6 19. Nh6+ Kf8 20. f5 Nb3 21. Qf2 Rd7 22. fxg6 hxg6 23. Be4 Nc5 24. Qxf6 Nxe4 25. Qh8+ Ke7 26. Rxf7# 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.24"]
[Round "3"]
[White "Yakovlev, Ivan D"]
[Black "Tiulyagin, Matvey"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1168"]
[BlackElo "1492"]
[PlyCount "116"]
[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 e6 2. c4 f5 3. Nf3 Nf6 4. e3 d5 5. Bd3 c6 6. 0-0 Bd6 7. Nc3 Ne4 8. c5 Bc7 9. Bd2 Nd7 10. b4 0-0 11. a4 e5 12. b5 exd4 13. exd4 Qf6 14. Qb3 Kh8 15. Ne2 Nxd2 16. Nxd2 Bxh2+ 17. Kxh2 Qh6+ 18. Kg1 Qxd2 19. Ng3 f4 20. Rad1 Qa5 21. Ne2 Qd8 22. Bc2 Qg5 23. Rd3 Nf6 24. g3 Bf5 25. Nxf4 Bxd3 26. Qxd3 Ne4 27. Ne6 Qd2 28. Nxf8 Rxf8 29. Qxd2 Nxd2 30. Rd1 Nf3+ 31. Kg2 g6 32. Rh1 Kg7 33. Bd1 Nxd4 34. bxc6 bxc6 35. Rh4 Ne6 36. Rh1 Nxc5 37. Re1 Kf6 38. Bc2 Ne6 39. Rb1 c5 40. Rb7 Rf7 41. Rb5 d4 42. Bb3 Rc7 43. Bc4 Ng5 44. Rb8 Ne4 45. Rf8+ Ke7 46. Rf7+ Kd6 47. Rf8 Nd2 48. Bb5 c4 49. Rd8+ Kc5 50. Re8 d3 51. Re1 Kd4 52. a5 c3 53. Ba4 c2 54. Rc1 Kc3 55. f3 Nb3 56. Bxb3 Kxb3 57. Kf2 d2 58. Ra1 d1Q 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.23"]
[Round "2"]
[White "Balyan, Artur"]
[Black "Yakovlev, Ivan D"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1652"]
[BlackElo "1168"]
[PlyCount "79"]
[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. b3 d5 2. Bb2 c5 3. e3 Nf6 4. Nf3 e6 5. Be2 Be7 6. c4 0-0 7. cxd5 exd5 8. 0-0 Nc6 9. d4 Be6 10. dxc5 Bxc5 11. Nc3 d4 12. Na4 Be7 13. Nxd4 Nxd4 14. Qxd4 Qxd4 15. Bxd4 Bd5 16. Rfd1 b6 17. Ba6 Bc6 18. Rac1 Bxa4 19. bxa4 Ng4 20. Bb7 Rab8 21. Bf3 Nf6 22. Rc7 Bd6 23. Rxa7 Bc5 24. g4 Rfd8 25. g5 Nd7 26. Bxg7 Kxg7 27. Rdxd7 Rxd7 28. Rxd7 Re8 29. Rd5 Re6 30. a5 Be7 31. a6 b5 32. Rd7 Rxa6 33. Rxe7 Rxa2 34. Bd5 Ra1+ 35. Kg2 Kg6 36. f4 f5 37. h4 Re1 38. Kh3 b4 39. h5+ Kxh5 40. Bf7# 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.22"]
[Round "1"]
[White "Yakovlev, Ivan D"]
[Black "Postanogov, Dmitrii"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1168"]
[BlackElo "1931"]
[PlyCount "106"]
[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 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Be7 7. Nc3 Nbd7 8. Nh4 Bg4 9. Qc2 dxc4 10. a4 0-0 11. f3 Bh5 12. g4 Bg6 13. Nxg6 hxg6 14. e4 e5 15. Be3 exd4 16. Bxd4 Bc5 17. Qf2 Qb6 18. Bxc5 Nxc5 19. e5 Nd5 20. Nxd5 cxd5 21. f4 Rad8 22. a5 Qb5 23. f5 Nd3 24. Qe3 d4 25. Qe4 Qxe5 26. fxg6 Qxe4 27. Bxe4 Nc5 28. gxf7+ Rxf7 29. Bh7+ Kf8 30. Bg6 Rxf1+ 31. Rxf1+ Ke7 32. Rf7+ Ke6 33. Rf5 Kd6 34. Bf7 Ne6 35. Kg2 Rh8 36. Kg3 d3 37. Bh5 Nd4 38. Rf1 Ne2+ 39. Kf3 Rf8+ 40. Kg2 Rxf1 41. Kxf1 Nf4 42. Be8 d2 43. Ba4 Nd3 44. Ke2 Nxb2 45. Bc2 d1Q+ 46. Bxd1 Nxd1 47. Kxd1 b5 48. axb6 axb6 49. Kc2 Ke5 50. Kc3 b5 51. h4 Kf4 52. Kd4 Kxg4 53. h5 Kxh5 0-1

