[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.31"]
[Round "9"]
[White "Koroleva, Valeriya"]
[Black "Duev, Dmitriy"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1128"]
[BlackElo "1452"]
[PlyCount "78"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 b6 7. Qd2 Nge7 8. Bh6 0-0 9. Bxg7 Kxg7 10. f4 d5 11. Nf3 d4 12. Ne2 Bb7 13. 0-0 h6 14. h3 f5 15. g4 Kh7 16. Nh2 Qd7 17. Ng3 Rac8 18. Qe2 Kg7 19. h4 fxe4 20. dxe4 Nb4 21. Qd2 d3 22. cxd3 Qxd3 23. Qc3+ Qxc3 24. bxc3 Nc2 25. Rac1 Ne3 26. Rf2 Rcd8 27. Bf1 Nxf1 28. Nhxf1 Rd3 29. Kh2 Nc8 30. e5 Ne7 31. c4 Nc6 32. Rcc2 Nd4 33. Rb2 Nf3+ 34. Kh3 Rxf4 35. Rb3 Ng1+ 36. Kh2 Rxf2+ 37. Kxg1 Rg2+ 38. Kh1 Rxb3 39. axb3 Rxg3+ 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.30"]
[Round "8"]
[White "Duev, Dmitriy"]
[Black "Lauda, Alexandr"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1452"]
[BlackElo "1895"]
[PlyCount "131"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. c3 Qc7 8. Bd3 Bxd3 9. Qxd3 Ngf6 10. Ne2 e6 11. 0-0 Bd6 12. c4 Rd8 13. b3 h6 14. Bb2 Nc5 15. Qc2 Nce4 16. Ng3 Nxg3 17. hxg3 0-0 18. Ne5 c5 19. Nf3 cxd4 20. Nxd4 Bc5 21. Rad1 Qb6 22. Nf3 Ng4 23. Rxd8 Rxd8 24. a3 Bxf2+ 25. Rxf2 Rd1+ 26. Qxd1 Qxf2+ 27. Kh1 Qxb2 28. Qd8+ Kh7 29. Qd3+ f5 30. Qf1 Qxb3 31. Qe2 Qe3 32. Qxe3 Nxe3 33. c5 Nc4 34. Nd4 Nxa3 35. Nxe6 Nc4 36. Nd4 Kg6 37. Kg1 Kf6 38. Kf2 Ke5 39. c6 b6 40. Nb5 Ke6 41. Nxa7 Kd6 42. Nb5+ Kxc6 43. Nd4+ Kd5 44. Nxf5 b5 45. Ke2 Ke4 46. Nxg7 b4 47. Ne6 Kd5 48. Nf4+ Kd4 49. Kd1 b3 50. Kc1 h5 51. Kb1 Kc3 52. Ne2+ Kb4 53. Nd4 Ne5 54. Ne2 Ka3 55. Nc3 Nd3 56. Nb5+ Ka4 57. Nd4 Kb4 58. Ne2 Nf2 59. Nf4 Nd1 60. Ne2 Nc3+ 61. Nxc3 Kxc3 62. Kc1 b2+ 63. Kb1 Kb3 64. g4 hxg4 65. g3 Kc3 66. Ka2 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.29"]
[Round "7"]
[White "Kasintsov, Gleb"]
[Black "Duev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1566"]
[BlackElo "1452"]
[PlyCount "118"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 e6 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 cxd4 8. exd4 Qc7 9. Na3 a6 10. Qa4 Qb8 11. 0-0 Bxg3 12. hxg3 b5 13. Qc2 0-0 14. Qe2 Bb7 15. Nc2 Re8 16. Ne5 Nxe5 17. dxe5 Ne4 18. Bxe4 dxe4 19. Qh5 Qc7 20. Ne3 Rad8 21. Qg5 Qe7 22. Qxe7 Rxe7 23. Rad1 Red7 24. Rxd7 Rxd7 25. Rd1 Rxd1+ 26. Nxd1 h5 27. Ne3 g5 28. Kf1 Kg7 29. b3 Kg6 30. c4 f5 31. Nc2 bxc4 32. bxc4 a5 33. c5 Ba6+ 34. Kg1 Kf7 35. Nd4 Bc4 36. a3 a4 37. f4 exf3 38. gxf3 Ke7 39. Kf2 Kd7 40. f4 g4 41. Ke3 Kc7 42. Kd2 Kd7 43. Kc3 Bb3 44. Kb4 Bd1 45. c6+ Kc8 46. Kc5 h4 47. Nb5 hxg3 48. Nd6+ Kd8 49. Kb6 g2 50. c7+ Ke7 51. c8Q g1Q+ 52. Kb5 Qf1+ 53. Nc4 Bb3 54. Qc7+ Kf8 55. Qd8+ Kf7 56. Qf6+ Kg8 57. Qg6+ Kh8 58. Qh6+ Kg8 59. Qxe6+ Kh8 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.28"]
[Round "6"]
[White "Duev, Dmitriy"]
[Black "Filippov, Kirill P"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1452"]
[BlackElo "1704"]
[PlyCount "78"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Nxf6+ Bxf6 8. Bxf6 Nxf6 9. Bd3 0-0 10. Ne5 Qd5 11. 0-0 c5 12. Nf3 b6 13. dxc5 Qxc5 14. Qe2 Bb7 15. Rfd1 Qb4 16. Rab1 Rac8 17. c3 Qa4 18. Nd4 Rfd8 19. Ra1 a6 20. h3 Qa5 21. Nb3 Qg5 22. g3 b5 23. a4 Kh8 24. Bc2 Bd5 25. axb5 axb5 26. Qxb5 Rb8 27. Qa5 Rdc8 28. Ra4 Qh5 29. c4 Ra8 30. Qb4 Rxa4 31. Qxa4 Rxc4 32. Qxc4 Bxc4 33. Rd8+ Ng8 34. Nd4 g6 35. b4 Kg7 36. Be4 Bd5 37. Bxd5 Qd1+ 38. Kg2 Qxd4 39. b5 exd5 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.27"]
[Round "5"]
[White "Yakovlev, Yuri S"]
[Black "Duev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1847"]
[BlackElo "1452"]
[PlyCount "150"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nge7 5. d4 cxd4 6. Nxd4 Ng6 7. Be3 h6 8. Qd2 Be7 9. Be2 d6 10. 0-0 0-0 11. f4 e5 12. Nxc6 bxc6 13. f5 Nf4 14. Bg4 h5 15. Bxf4 exf4 16. Bxh5 Rb8 17. b3 Bf6 18. Rad1 Re8 19. Bf3 c5 20. Nd5 Bd4+ 21. Kh1 Bb7 22. Qxf4 Bxd5 23. cxd5 Be5 24. Qg4 Qf6 25. g3 Kf8 26. Qh4 Qxh4 27. gxh4 a5 28. Rf2 Ke7 29. h3 Kf6 30. Rg2 a4 31. Rd3 Rb4 32. bxa4 c4 33. a3 Rxa4 34. Bd1 Ra7 35. Rf3 Rb7 36. Bc2 Rh8 37. Rg1 Rxh4 38. Rb1 Rxb1+ 39. Bxb1 Rh8 40. Bc2 Rb8 41. Rf2 Bd4 42. Re2 Ke5 43. Kg2 Kf4 44. h4 Rh8 45. Re1 Rxh4 46. Bd1 c3 47. Bf3 Rh8 48. Bd1 Rb8 49. Bc2 Rb2 50. Re2 Be3 51. Kf1 Kf3 52. Bd1 Kxe4 53. Rxb2 cxb2 54. Bc2+ Kxd5 55. Ke2 Bc5 56. a4 Kc4 57. Kd1 Kc3 58. a5 Kd4 59. Bb1 Ke5 60. a6 Kf6 61. Kd2 g5 62. fxg6 fxg6 63. Kc3 g5 64. Kxb2 Ke5 65. Kc3 Kf4 66. Kc4 Ke5 67. Kc3 Kf4 68. Kc4 Ke5 69. Bg6 Ba7 70. Bf7 g4 71. Bd5 g3 72. Bg2 Kf4 73. Kd5 Bc5 74. a7 Bxa7 75. Kxd6 Ke3 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.26"]
[Round "4"]
[White "Duev, Dmitriy"]
[Black "Ali, Abdulaziz"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1452"]
[BlackElo "1915"]
[PlyCount "105"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 Ne5 9. Be2 d6 10. f4 N5g6 11. Qc1 h6 12. Nd2 Nc6 13. N2b3 Bb6 14. Nb5 Nxf4 15. Bd1 Qg5 16. Rxf4 Qxf4 17. Bxb6 Qxc1 18. Rxc1 axb6 19. a3 Be6 20. Nxc7 Rac8 21. Nxe6 fxe6 22. Bg4 Rf6 23. Rd1 Rd8 24. Nd4 Nxd4 25. Rxd4 e5 26. Rb4 d5 27. exd5 Rxd5 28. Bf3 Rd7 29. Kf2 Rf4 30. Ke3 Rxb4 31. axb4 Kf7 32. c4 Kf6 33. Bd5 Kf5 34. g3 h5 35. Kf3 Kf6 36. Ke4 Rd8 37. c5 Rxd5 38. Kxd5 Kf5 39. h4 b5 40. b3 g6 41. Kd6 e4 42. Kc7 e3 43. Kxb7 e2 44. c6 e1Q 45. g4+ hxg4 46. h5 gxh5 47. c7 Qe4+ 48. Kb6 Qa8 49. Kc5 g3 50. Kb6 Ke6 51. c8Q+ Qxc8 52. Ka7 g2 53. Kb6 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.25"]
[Round "3"]
[White "Duev, Dmitriy"]
[Black "Badalian, Tigran"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "1452"]
[BlackElo "1730"]
[PlyCount "71"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. c3 Nd7 8. h3 Bh5 9. Be2 Qc7 10. Be3 0-0-0 11. Qa4 Kb8 12. d5 Nb6 13. Bxb6 Qxb6 14. dxc6 Qxb2 15. 0-0 Qxe2 16. Qa5 b6 17. Qxh5 Qc4 18. Nd4 e5 19. Nf5 Qxc6 20. Qxf7 Bc5 21. Rad1 Rdg8 22. Qd5 Qxd5 23. Rxd5 Rg5 24. Nh4 Rhg8 25. Kh2 Kb7 26. Rd7+ Kc6 27. Rxa7 Rh5 28. Nf3 b5 29. Rf7 Rh6 30. Nd2 Ra8 31. Ne4 Rxa2 32. Nxf6 Rxf2 33. Rxf2 Bxf2 34. Ng4 Rh5 35. Rxf2 Kd5 36. Nf6+ 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.24"]
[Round "2"]
[White "Sokolov, Ilia"]
[Black "Duev, Dmitriy"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1903"]
[BlackElo "1452"]
[PlyCount "45"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. c4 d4 6. b4 cxb4 7. a3 bxa3 8. Bxa3 Bxa3 9. Nxa3 Nc6 10. Qb3 0-0 11. d3 Rb8 12. Nc2 e5 13. Nd2 a6 14. Bxc6 bxc6 15. Qxb8 Qe7 16. Nf3 e4 17. Qe5 Qd7 18. dxe4 Qh3 19. Qxd4 c5 20. Qxc5 Nxe4 21. Qe7 Nf6 22. Rfd1 h6 23. Ne3 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.23"]
[Round "1"]
[White "Ivanov, Sergei V"]
[Black "Duev, Dmitriy"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2088"]
[BlackElo "1452"]
[PlyCount "101"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 a6 7. N5c3 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 Bg5 11. Bc4 Be6 12. 0-0 0-0 13. c3 Ne7 14. Na3 Rc8 15. Qd3 Nxd5 16. Bxd5 Qc7 17. Rfd1 Bg4 18. Re1 Be6 19. Nc2 Qb6 20. Reb1 a5 21. Na3 Bd8 22. Nb5 Kh8 23. Rf1 Bd7 24. Rad1 Be7 25. Qe2 Bxb5 26. axb5 g6 27. c4 Kg7 28. Rd3 Qa7 29. Rh3 h6 30. Ra1 b6 31. b4 Qc7 32. bxa5 bxa5 33. Qd2 Bg5 34. Qxa5 Qc5 35. Qa7 Qb4 36. Rf3 Bf6 37. Qa3 Qd2 38. g3 Qd4 39. Qc3 Qc5 40. Ra6 Bd8 41. Qe3 Qb4 42. Qa3 Qb1+ 43. Kg2 Be7 44. Ra7 Rce8 45. Rd7 f5 46. Qxd6 Rf7 47. Qxe5+ Kg8 48. exf5 g5 49. Qe6 g4 50. Qxf7+ Kh8 51. Qxe8+ 1-0

