[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

