[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.13"]
[Round "9"]
[White "Tsoi, Matvey"]
[Black "Dudarev, Vyacheslav"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1774"]
[BlackElo "2127"]
[PlyCount "80"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 b6 5. 0-0 Bb7 6. b3 Bd6 7. Bb2 0-0 8. Ne5 c5 9. f4 Nc6 10. a3 Ne4 11. Nd2 Ne7 12. Rf3 f6 13. Ng4 Qc7 14. Rh3 cxd4 15. Bxe4 dxe4 16. Bxd4 Nf5 17. Bb2 Rad8 18. Nf2 Bxf4 19. exf4 e3 20. Nd3 exd2 21. Qxd2 Qc6 22. Re1 Rd6 23. Qf2 Rfd8 24. Nb4 Qd7 25. Rd3 a5 26. Rxd6 Qxd6 27. Na2 Qc6 28. Qe2 Kh8 29. b4 Nh4 30. b5 Qc5+ 31. Qf2 Nxg2 32. Qxc5 bxc5 33. Rxe6 Nxf4 34. Rb6 Be4 35. c4 Bd3 36. Rxf6 Nh3+ 37. Kg2 Be4+ 38. Kf1 Bd3+ 39. Kg2 Be4+ 40. Kf1 Bd3+ 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.12"]
[Round "8"]
[White "Kiseleva, Arina"]
[Black "Tsoi, Matvey"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2034"]
[BlackElo "1774"]
[PlyCount "92"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. g3 Bb7 5. Bg2 e6 6. 0-0 Be7 7. Nbd2 0-0 8. Qc2 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. f4 Qd7 12. N2f3 Ne4 13. Ne5 Qc8 14. Be3 f6 15. Nd3 Nc6 16. Qa4 Nxd4 17. cxd4 Qb7 18. Rac1 Rac8 19. Rxc8 Rxc8 20. Rc1 Kf7 21. Qd1 Rxc1 22. Qxc1 Qa6 23. a3 Qc4 24. Qd1 Nd6 25. g4 Nb5 26. Nf2 a5 27. a4 Nc7 28. Qb1 Qxe2 29. Qc1 Na6 30. b3 Nb4 31. Qd2 Qxd2 32. Bxd2 Nc2 33. Bc3 Bb4 34. Bb2 Bd2 35. Nd3 Be3 36. f5 Bxd4 37. fxe6+ Kxe6 38. Bc1 Na1 39. b4 axb4 40. Nxb4 Nb3 41. Bf4 Be5 42. Be3 d4 43. Bf2 Nc5 44. Nc6 Kd5 45. Ne7+ Ke4 46. Nf5 g6 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.11"]
[Round "7"]
[White "Tsoi, Matvey"]
[Black "Pereverzev, Timofei"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1774"]
[BlackElo "1479"]
[PlyCount "63"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 cxd4 6. exd4 b6 7. Bb2 Bd6 8. 0-0 0-0 9. Nbd2 Ba6 10. Bxa6 Nxa6 11. a3 Rc8 12. Rc1 Nc7 13. Qe2 Qe7 14. c4 a5 15. Nb1 Ne4 16. Ne1 f5 17. Nd3 g5 18. f3 Nf6 19. c5 bxc5 20. dxc5 Bf4 21. Nxf4 gxf4 22. b4 axb4 23. axb4 Rb8 24. Be5 Nfe8 25. Qd2 Qh4 26. Na3 Rb7 27. c6 Ra7 28. Ra1 Qe7 29. Bd4 Ra4 30. Bc5 Qg7 31. Bxf8 Qxf8 32. Nc2 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.10"]
[Round "6"]
[White "Antonian, Grant"]
[Black "Tsoi, Matvey"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2039"]
[BlackElo "1774"]
[PlyCount "57"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qd3 Qd5 16. c4 Qe4 17. Qb3 0-0 18. Qxb7 Bd6 19. Qb3 Rab8 20. Qc2 Qg4 21. Ne5 Bxe5 22. dxe5 Nxh5 23. f3 Qg6 24. g4 Qxc2+ 25. Kxc2 Ng3 26. Rh2 h5 27. Rg1 h4 28. Bg5 f5 29. exf6 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.09"]
[Round "5"]
[White "Tsoi, Matvey"]
[Black "Kulnev, Aleksandr"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1774"]
[BlackElo "1536"]
[PlyCount "51"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c3 Bg7 4. Bg5 f5 5. h4 h6 6. Bf4 Nf6 7. Nbd2 Nh5 8. Bh2 Nc6 9. Qc2 Nf6 10. 0-0-0 Be6 11. e4 fxe4 12. Nxe4 Nxe4 13. Qxe4 Bf5 14. Qe3 Qd7 15. Bd3 a5 16. Bb5 d5 17. Be5 Bxe5 18. Nxe5 Qd6 19. Rhe1 Rh7 20. g4 Bd7 21. f4 Nxe5 22. dxe5 Qe6 23. f5 gxf5 24. gxf5 Qxf5 25. Bd3 Qf7 26. e6 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.08"]
[Round "4"]
[White "Davydova, Kira"]
[Black "Tsoi, Matvey"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1961"]
[BlackElo "1774"]
[PlyCount "127"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bb5+ Bd7 7. a4 Bxb5 8. axb5 Nbd7 9. 0-0 0-0 10. h3 Ne8 11. Bf4 Nc7 12. Qe2 Nb6 13. Nd2 Qd7 14. Ra5 a6 15. bxa6 Rxa6 16. Rxa6 bxa6 17. Ra1 Rb8 18. Nb3 Bxc3 19. bxc3 Qb5 20. Qxb5 Nxb5 21. Bd2 Nc4 22. Be1 Nba3 23. Nd2 Nxc2 24. Rxa6 Nb2 25. Nf3 Nd3 26. Bd2 Rb1+ 27. Kh2 Nce1 28. Nxe1 Nxe1 29. Bh6 Rb8 30. Ra7 Rc8 31. Kg3 f6 32. Be3 h5 33. h4 Nd3 34. f4 Kf7 35. Kf3 Nb2 36. g4 Nc4 37. g5 Nxe3 38. Kxe3 Rb8 39. e5 fxe5 40. fxe5 dxe5 41. d6 Ke6 42. dxe7 Kf5 43. Kf3 e4+ 44. Ke3 Re8 45. Rc7 Kg4 46. Kxe4 Kxh4 47. Ke5 Kxg5 48. Ke6 h4 49. Rxc5+ Kg4 50. Kf7 Rxe7+ 51. Kxe7 h3 52. Ra5 h2 53. Ra1 g5 54. c4 Kf3 55. c5 g4 56. c6 g3 57. c7 g2 58. c8Q g1Q 59. Qc6+ Kg3 60. Qg6+ Kf2 61. Qf5+ Ke2 62. Qe4+ Kf2 63. Qf4+ Ke2 64. Qxh2+ 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.07"]
[Round "3"]
[White "Tsoi, Matvey"]
[Black "Pavlov, Mark"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1774"]
[BlackElo "2095"]
[PlyCount "72"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c3 Nf6 4. Bg5 Bg7 5. Nbd2 0-0 6. e4 c5 7. dxc5 dxc5 8. Bc4 Nc6 9. 0-0 Qc7 10. Qc2 h6 11. Bh4 Nh5 12. Rfd1 g5 13. Bg3 Nxg3 14. hxg3 b6 15. a4 Bb7 16. Nf1 e6 17. Ne3 Rad8 18. Ba2 Ne5 19. Ne1 g4 20. f4 gxf3 21. gxf3 Kh8 22. Qh2 Ng6 23. Ng4 Kh7 24. Nf2 Rg8 25. Rxd8 Qxd8 26. Rd1 Qg5 27. f4 Nxf4 28. Nf3 Ne2+ 29. Kg2 Qg6 30. Bb1 f5 31. Nh4 Qg5 32. Nf3 Qe3 33. Rd3 Nf4+ 34. gxf4 Bd4+ 35. Kf1 Qc1+ 36. Rd1 Ba6+ 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.06"]
[Round "2"]
[White "Dudarev, Vladislav"]
[Black "Tsoi, Matvey"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2034"]
[BlackElo "1774"]
[PlyCount "96"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. dxc3 d6 5. Bg2 f5 6. Nf3 Nf6 7. 0-0 0-0 8. Bg5 Qe8 9. c5 e4 10. Ne1 Qh5 11. Qd2 Nc6 12. cxd6 cxd6 13. f3 d5 14. g4 Qf7 15. Bxf6 gxf6 16. c4 dxc4 17. gxf5 Bxf5 18. fxe4 Bg6 19. Nf3 Rad8 20. Qf4 Nd4 21. Nxd4 Rxd4 22. Qe3 Rfd8 23. e5 f5 24. e6 Qe7 25. Qe5 R4d6 26. Bxb7 Rxe6 27. Bd5 Qc5+ 28. e3 Qxd5 29. Qxd5 Rxd5 30. Rac1 Re4 31. Rf4 Rxf4 32. exf4 Rd4 33. Kg2 Rxf4 34. Rd1 Re4 35. Rd8+ Re8 36. Rd2 Kf7 37. Kf2 Kf6 38. Rd6+ Re6 39. Rd4 Rb6 40. Rd2 f4 41. Kf3 Ke5 42. Re2+ Kf5 43. Rc2 Bh5+ 44. Kf2 f3 45. Kf1 Bf7 46. Rd2 Ke4 47. Rd7 Bd5 48. b3 c3 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.05"]
[Round "1"]
[White "Tsoi, Matvey"]
[Black "Bulavin, Alexander"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1774"]
[BlackElo "2256"]
[PlyCount "84"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 b5 3. e3 a6 4. a4 b4 5. c4 c5 6. b3 Nf6 7. Bb2 Bb7 8. Nbd2 Be7 9. Bd3 d6 10. 0-0 Nbd7 11. Qc2 h6 12. Rad1 Qc7 13. e4 e5 14. d5 Nf8 15. g3 Bc8 16. Nh4 g6 17. f4 Bh3 18. Ng2 Ng4 19. Rde1 Nd7 20. Nf3 Bf6 21. fxe5 Ndxe5 22. Nxe5 Bxe5 23. Be2 Bxg2 24. Bxg4 Bxf1 25. Bxe5 dxe5 26. Rxf1 h5 27. Bh3 h4 28. Rf6 Qe7 29. Rf3 hxg3 30. Rxg3 a5 31. Qf2 Ra6 32. Rf3 Rh7 33. Qg3 Rf6 34. Rxf6 Qxf6 35. Qg4 Kf8 36. Qc8+ Kg7 37. Bg2 Qf4 38. h3 Qe3+ 39. Kh2 Rh5 40. Qg4 Qxb3 41. d6 Qd3 42. d7 b3 0-1

