[Event "Chigorin Memorial 31st"]
[White "Polkopin, Timofei"]
[Black "Sumarokov, Igor"]
[Site "St Petersburg"]
[Round "5"]
[Result "0-1"]
[Date "2024.10.30"]
[ECO "E61"]
[BlackElo "1763"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bf4 0-0 6. e3 Nbd7 7. h3 c5 8. Qd2 a6 9. Be2 b6 10. 0-0 Bb7 11. a3 Re8 12. Rad1 h6 13. d5 Nf8 14. Bd3 e5 15. dxe6 Nxe6 16. Bh2 Bxf3 17. gxf3 Ng5 18. Be2 Qd7 19. Qxd6 Qxh3 20. Nd5 Nxf3+ 21. Bxf3 Qxf3 22. Nxf6+ Bxf6 23. Qf4 Qxf4 24. Bxf4 g5 25. Bc7 Bxb2 26. a4 Re4 27. Bxb6 Rxc4 28. Rd5 Rxa4 29. Bxc5 Ra1 30. Rd2 Rxf1+ 31. Kxf1 Bc3 32. Ra2 a5 33. Kg2 Be5 34. Kh3 Kg7 35. Bb4 a4 36. Bd2 Kg6 37. f4 Bd6 38. fxg5 hxg5 39. e4 f5 40. exf5+ Kxf5 41. Bc1 Rh8+ 0-1

[Event "Chigorin Memorial 31st"]
[White "Sumarokov, Igor"]
[Black "Ivanov, Sergei V"]
[Site "St Petersburg"]
[Round "4"]
[Result "0-1"]
[Date "2024.10.29"]
[ECO "D53"]
[WhiteElo "1763"]
[BlackElo "1988"]
[PlyCount "112"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 a6 6. cxd5 exd5 7. Bd3 0-0 8. Bxf6 Bxf6 9. Qc2 h6 10. h3 Re8 11. Nf3 Nc6 12. 0-0 Ne7 13. b4 g6 14. Qb3 Be6 15. Na4 b6 16. Rfc1 Qd7 17. Bf1 g5 18. Nb2 Ng6 19. Nd3 Re7 20. a4 g4 21. hxg4 Bxg4 22. Nh2 Bf5 23. a5 b5 24. Rc5 c6 25. Rac1 Re6 26. R5c3 Be7 27. Nc5 Bxc5 28. Rxc5 Ne7 29. Qd1 Rg6 30. Nf3 f6 31. Nh4 Rg5 32. Nxf5 Qxf5 33. Qd3 Qg4 34. Qe2 Qe6 35. f3 Rd8 36. Qf2 f5 37. Bd3 Kh8 38. e4 fxe4 39. fxe4 Rdg8 40. Bf1 dxe4 41. Rxg5 Rxg5 42. Rc3 Nf5 43. Rh3 Kg7 44. Qb2 Qf6 45. Qc3 Qxd4+ 46. Kh2 Qxc3 47. Rxc3 Nd4 48. Kg1 Re5 49. Kf2 Re6 50. Ke3 Nf5+ 51. Kf4 Ne7 52. Rg3+ Kf6 53. Be2 Nd5+ 54. Kg4 Ke5 55. Bd1 Kd4 56. Be2 Rf6 0-1

[Event "Chigorin Memorial 31st"]
[White "Sumarokov, Igor"]
[Black "Buyanov, Gleb"]
[Site "St Petersburg"]
[Round "3"]
[Result "0-1"]
[Date "2024.10.28"]
[ECO "D35"]
[WhiteElo "1763"]
[BlackElo "2002"]
[PlyCount "66"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 0-0 8. Bxf6 Bxf6 9. Qc2 g6 10. Nge2 Re8 11. h3 Bg7 12. g4 Qh4 13. Ng3 Bxd4 14. Nce2 Bg7 15. 0-0-0 Nd7 16. Nd4 Ne5 17. e4 Nxd3+ 18. Qxd3 dxe4 19. Nxe4 Be6 20. Nxe6 Rxe6 21. f3 Rae8 22. Qb3 Qe7 23. h4 Re5 24. Rd2 Rb5 25. Qc4 Qe5 26. Rhh2 Qf4 27. b3 Qxf3 28. Nd6 Re1+ 29. Kc2 Ra5 30. a4 Qf6 31. Rhe2 Qb2+ 32. Kd3 Rd5+ 33. Ke3 Qxd2+ 0-1

[Event "Chigorin Memorial 31st"]
[White "Lebedev, Platon1"]
[Black "Sumarokov, Igor"]
[Site "St Petersburg"]
[Round "2"]
[Result "0-1"]
[Date "2024.10.27"]
[ECO "B21"]
[WhiteElo "1478"]
[BlackElo "1763"]
[PlyCount "86"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 a6 7. 0-0 Bb4 8. Be3 b5 9. Bb3 Nge7 10. Rc1 Bb7 11. Nd5 exd5 12. exd5 0-0 13. dxc6 Nxc6 14. Qd3 Be7 15. Rfd1 Bf6 16. Qxd7 Qxd7 17. Rxd7 Na5 18. Bc2 Bxf3 19. gxf3 Bxb2 20. Rb1 Nc4 21. Bc5 Rfd8 22. Re7 Bf6 23. Re4 Nd2 24. Rbb4 Nxe4 25. Bxe4 Rac8 26. Bb6 Rd6 27. Be3 Rc4 28. Rb3 h6 29. Bf4 Rd8 30. Bb7 Rxf4 31. Bxa6 Ra4 32. Bxb5 Rxa2 33. Bc4 Rc2 34. Ba6 Bd4 35. Bd3 Rxf2 36. Kh1 Rc8 37. Rb1 Ra2 38. Bf5 Re8 39. Rd1 Ra1 40. Bb1 Bf6 41. Kg2 Rb8 42. Bc2 Rxd1 43. Bxd1 Kf8 0-1

[Event "Chigorin Memorial 31st"]
[White "Sumarokov, Igor"]
[Black "Feduk, Viktor"]
[Site "St Petersburg"]
[Round "1"]
[Result "0-1"]
[Date "2024.10.26"]
[ECO "E27"]
[WhiteElo "1763"]
[BlackElo "2113"]
[PlyCount "102"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. f3 d5 7. cxd5 exd5 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. a4 c5 12. Ne2 c4 13. Qc2 Re8 14. 0-0 Qe7 15. Nf4 Nf8 16. g4 Ng6 17. Qg2 Nxf4 18. exf4 Qe2 19. Ra2 Qd3 20. Qd2 Qxd2 21. Bxd2 Re2 22. Rf2 Rxf2 23. Kxf2 b6 24. Rb2 Ne8 25. f5 Nd6 26. Bf4 Nb7 27. Bg5 f6 28. Bf4 Kf7 29. h4 h6 30. Re2 Re8 31. Rxe8 Kxe8 32. Kg3 Kd7 33. g5 hxg5 34. hxg5 a6 35. Bc1 Nd6 36. Kf4 b5 37. gxf6 gxf6 38. axb5 Nxb5 39. Bb2 a5 40. Ke3 Ke7 41. Kd2 Kf7 42. Kc2 Nd6 43. Bc1 Nxf5 44. Kb2 Nh4 45. f4 Ke6 46. Ka3 Kf5 47. Ka4 Ng2 48. Kxa5 Nxf4 49. Kb5 Ne2 50. Kc5 Ke4 51. Bd2 f5 0-1

