[Event "St Petersburg Rapid GP"]
[Site "St Petersburg"]
[Date "2024.08.24"]
[Round "1"]
[White "Matveev, Ivan A"]
[Black "Kezin, Roman"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1646"]
[BlackElo "2472"]
[PlyCount "42"]
[EventDate "2024.08.24"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Ne5 8. Qg3 h5 9. f4 h4 10. Qh3 Nc4 11. Bxc4 Qxc4 12. 0-0-0 b5 13. Kb1 Bb7 14. e5 Ne7 15. Rhf1 Nd5 16. Nxd5 Bxd5 17. b3 Qc3 18. Rd3 Qc7 19. Qg4 g6 20. Nf3 Be4 21. Rd2 Bf5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.22"]
[Round "9"]
[White "Pogorelov, Daniil A"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1905"]
[BlackElo "1646"]
[PlyCount "85"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Ng3 c5 9. dxc5 Qxd1+ 10. Rxd1 Bxc5 11. c3 Bb6 12. Bb5+ Bd7 13. Bc4 Nc6 14. 0-0 a5 15. Rfe1 0-0-0 16. a3 a4 17. Bb5 Ne7 18. Bxd7+ Rxd7 19. Rxd7 Kxd7 20. Ng5 Ke8 21. Nh5 Kf8 22. Nf6 Kg7 23. Nd7 Ba7 24. Ne5 Rf8 25. Nexf7 Rxf7 26. Rxe6 Nc6 27. Nxf7 Kxf7 28. Rh6 Kg7 29. Rd6 Ne5 30. Rd5 Kf6 31. Rb5 Nd3 32. Rxb7 Bxf2+ 33. Kf1 Bc5 34. Ke2 Nf4+ 35. Kf3 Nd3 36. g3 h6 37. Rb5 Bg1 38. h4 Ke6 39. Ke2 Nc1+ 40. Kf1 Be3 41. Ra5 Nd3 42. Ke2 Nxb2 43. Ra6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "6"]
[White "Matveev, Ivan A"]
[Black "Slutsker, Evgeny"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1646"]
[BlackElo "1423"]
[PlyCount "39"]
[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 Nf6 2. e5 Nd5 3. d4 e6 4. c4 Nb6 5. f4 d5 6. c5 N6d7 7. b4 a6 8. Nc3 b6 9. Be3 Nc6 10. a3 Bb7 11. g4 g6 12. Bd3 f5 13. cxb6 cxb6 14. gxf5 exf5 15. Nf3 h6 16. Rg1 Ne7 17. Nh4 Rg8 18. Nxg6 Rxg6 19. Qh5 Qc7 20. Rc1 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.20"]
[Round "7"]
[White "Osoblivaya, Darya Ar"]
[Black "Matveev, Ivan A"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1499"]
[BlackElo "1646"]
[PlyCount "110"]
[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. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ 9. Nc3 Nxc3 10. Qxc3 Qxc3+ 11. bxc3 Na5 12. Nd2 d6 13. e4 c5 14. 0-0 Rb8 15. f4 b6 16. Rfb1 Ke7 17. e5 dxe5 18. fxe5 Ba6 19. Bf1 Rhd8 20. Nb3 Nxc4 21. dxc5 bxc5 22. Nxc5 Rxb1 23. Rxb1 Nd2 24. Rb2 Bxf1 25. Rb7+ Ke8 26. Rxa7 Bc4 27. a4 Nf3+ 28. Kf2 Nxe5 29. a5 Nc6 30. Rc7 Nxa5 31. Ne4 Bd5 32. Ng5 f6 33. Nf3 Rd7 34. Rc5 Nb3 35. Rb5 Rb7 36. Rxb7 Bxb7 37. Ke3 Bxf3 38. Kxf3 Kd7 39. Ke4 Kd6 40. Kd3 Nc5+ 41. Kc4 Ne4 42. Kd4 Nxc3 43. Kxc3 f5 44. Kd4 e5+ 45. Ke3 g5 46. Kf3 Kd5 47. Ke3 e4 48. Ke2 f4 49. gxf4 gxf4 50. Kf2 Kd4 51. Ke2 f3+ 52. Kf2 Kd3 53. Ke1 e3 54. Kf1 Kd2 55. Kg1 Ke1 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.19"]
[Round "5"]
[White "Shelyapin, Ilya"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1464"]
[BlackElo "1646"]
[PlyCount "89"]
[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. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. 0-0 a5 9. Re1 e5 10. d5 Nb8 11. Qc2 e4 12. Nd4 e3 13. Ne4 0-0 14. Nxf6+ Qxf6 15. fxe3 Re8 16. Qd2 Qg5 17. Nb5 Re7 18. Rad1 b6 19. e4 Qxd2 20. Rxd2 Na6 21. Nd4 Bd7 22. Nf5 Re5 23. Rf1 Nc5 24. Nd4 Nxe4 25. Bxe4 Rxe4 26. Rf4 Re7 27. Rf2 g6 28. Kg2 Kg7 29. b3 a4 30. h3 g5 31. Kh2 Kg6 32. Kg2 Re4 33. Kh2 f5 34. Kg2 h5 35. Kh2 h4 36. Nf3 hxg3+ 37. Kxg3 Rh8 38. Ng1 g4 39. Rd3 f4+ 40. Kg2 g3 41. Rff3 Bxh3+ 42. Nxh3 Rxe2+ 43. Kf1 g2+ 44. Kxe2 Rxh3 45. Kf2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "4"]
[White "Matveev, Ivan A"]
[Black "Lipovoy, Ivan"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1646"]
[BlackElo "1830"]
[PlyCount "47"]
[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. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Nc6 5. Nf3 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. e5 Nd5 9. Nxd5 cxd5 10. Qxd5 Rb8 11. Bc4 e6 12. Qc5 Bb7 13. 0-0 Rc8 14. Qb5 Bc6 15. Qb3 Bxe5 16. f4 Bg7 17. Bxa7 0-0 18. c3 Qa5 19. Bb6 Qa8 20. Rf2 Ba4 21. Qb4 Qc6 22. b3 d5 23. Ba5 dxc4 24. Qxa4 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.18"]
[Round "3"]
[White "Tolstykh, Ivan"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1871"]
[BlackElo "1646"]
[PlyCount "83"]
[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. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Bg2 a6 8. a4 Nb6 9. Qd3 Nbd5 10. Bd2 Qb6 11. Bc3 Nxc3 12. Nxc3 cxd4 13. Nxd4 Bc5 14. a5 Qxb2 15. 0-0 Bxd4 16. Qxd4 0-0 17. Ra2 Qb3 18. Rb1 e5 19. Qxe5 Qe6 20. Qd4 Qe7 21. Rab2 Rb8 22. Ne4 Nxe4 23. Qxe4 Re8 24. Qxe7 Rxe7 25. Rd1 Kf8 26. Rd6 Re5 27. Rd5 Rxd5 28. Bxd5 Ke7 29. Rb6 f6 30. f4 Kd8 31. e4 Kc7 32. Kf2 Bd7 33. Ke3 Bc8 34. Kd4 Bd7 35. e5 fxe5+ 36. fxe5 Bc8 37. e6 Kd8 38. Ke5 Ke7 39. g4 Ke8 40. Kd6 Kd8 41. e7+ Ke8 42. Bc6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "1"]
[White "Bardyk, Artem"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2277"]
[BlackElo "1646"]
[PlyCount "102"]
[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. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 0-0 9. Qd3 Bd7 10. 0-0-0 Bc6 11. Ne5 Qxf2 12. Kb1 Nd7 13. Nxc6 bxc6 14. Qh3 g6 15. Ba6 Qf4 16. Bb7 Rab8 17. Bxc6 Nb6 18. Qc3 Qd6 19. Qc5 Rfd8 20. b3 Nd5 21. Bxd5 Qxc5 22. dxc5 exd5 23. Rhe1 Kf8 24. c3 a5 25. Re5 c6 26. Kc2 Re8 27. Rde1 Rxe5 28. Rxe5 h5 29. Kd3 Rd8 30. Kd4 Rd7 31. Re2 Rd8 32. b4 Rb8 33. bxa5 Ra8 34. a4 Rxa5 35. Ra2 Ke7 36. c4 Ke6 37. Re2+ Kf6 38. Ra2 Ke6 39. Ra1 f6 40. Ra2 g5 41. cxd5+ cxd5 42. Rc2 Kd7 43. Kxd5 Rxa4 44. Rf2 Ra6 45. Rb2 Kc7 46. Ke4 Ra4+ 47. Kf5 Rf4+ 48. Kg6 Kc6 49. Rb6+ Kxc5 50. Rxf6 Rh4 51. h3 g4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2024.08.17"]
[Round "2"]
[White "Matveev, Ivan A"]
[Black "Kozhevnikov, Denis M"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1646"]
[BlackElo "1839"]
[PlyCount "63"]
[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. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 0-0 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. 0-0-0 a6 12. Nd4 Qb6 13. Nxc6 bxc6 14. f3 Ne8 15. Qd4 Qxd4 16. Rxd4 d5 17. Rb4 Nd6 18. Rb6 Bd7 19. exd5 exd5 20. Nxd5 Rfe8 21. Bd3 cxd5 22. Rxd6 Be6 23. Re1 Ra7 24. Rxd5 Kf8 25. Ra5 h6 26. a3 Rea8 27. b4 Ke7 28. Be4 Rc8 29. b5 Rb8 30. Rxa6 Rc7 31. b6 Rc5 32. b7 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.13"]
[Round "9"]
[White "Matveev, Ivan A"]
[Black "Kalashnikov, Fedor"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1674"]
[BlackElo "1387"]
[PlyCount "46"]
[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. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. Qxd3 Nf6 10. Nf3 e6 11. Bd2 Bd6 12. Ne4 Nxe4 13. Qxe4 Nd7 14. 0-0-0 Nf6 15. Qe2 Qc7 16. Ne5 0-0-0 17. Rhe1 c5 18. dxc5 Bxc5 19. Qf3 Bd6 20. Bc3 Rhf8 21. Bd4 Kb8 22. Kb1 Nd5 23. Qh3 Nf6 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.12"]
[Round "8"]
[White "Nikitin, Georgy"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1920"]
[BlackElo "1674"]
[PlyCount "59"]
[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. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. Rc1 0-0 8. Bd3 b6 9. cxd5 exd5 10. 0-0 Bb7 11. Bxf6 Nxf6 12. Ne5 Bd6 13. f4 Qe7 14. Rf3 Bxe5 15. fxe5 Nd7 16. Bxh7+ Kxh7 17. Rh3+ Kg8 18. Qh5 f6 19. Rf1 Qe8 20. Qf5 g6 21. Rg3 Kh7 22. Rf4 Bc8 23. e6 Ne5 24. dxe5 Bxe6 25. Rh4+ Kg7 26. Qh5 Rh8 27. exf6+ Kxf6 28. Qg5+ Kf7 29. Rf4+ Kg8 30. Qxg6+ 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.11"]
[Round "7"]
[White "Golovchenko, Bogdan"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1824"]
[BlackElo "1674"]
[PlyCount "47"]
[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. Bf4 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nf3 Be7 7. Nbd2 0-0 8. Ne5 Bd6 9. Bg3 Qc7 10. f4 b6 11. Bf2 Bb7 12. g4 Ne7 13. Qf3 Nd7 14. g5 Nf5 15. Qg4 Bxe5 16. fxe5 g6 17. h4 c4 18. Bc2 b5 19. h5 Nb6 20. e4 dxe4 21. Bxe4 Nd5 22. Rh3 Rac8 23. Bg2 a5 24. Ne4 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.10"]
[Round "6"]
[White "Matveev, Ivan A"]
[Black "Sorin, Boris"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1674"]
[BlackElo "1937"]
[PlyCount "52"]
[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 Nf6 2. Nc3 d5 3. e5 Ne4 4. d4 Nxc3 5. bxc3 c5 6. Nf3 Nc6 7. Be3 Qa5 8. Qd2 c4 9. Be2 Bf5 10. Nh4 Bg6 11. e6 f6 12. f4 0-0-0 13. f5 Be8 14. 0-0 g5 15. Nf3 a6 16. Rfb1 Na7 17. Qe1 h5 18. a3 Nb5 19. Rb4 Nd6 20. Qf1 Nxf5 21. Bd2 Nd6 22. Be1 Bc6 23. Bd1 Ne8 24. Qe2 Ng7 25. Bf2 Rd6 26. Qd2 Rxe6 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.09"]
[Round "5"]
[White "Yudkevich, Mikhail"]
[Black "Matveev, Ivan A"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1954"]
[BlackElo "1674"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 c6 6. e3 Nbd7 7. c5 b6 8. b4 bxc5 9. bxc5 Qa5 10. Qd2 0-0 11. h3 Bd8 12. Bd3 Ba6 13. Rc1 Bxd3 14. Qxd3 Bc7 15. 0-0 Rfe8 16. Bxc7 Qxc7 17. Qa6 Qc8 18. Qxc8 Rexc8 19. Rb1 Rab8 20. a3 Rxb1 21. Rxb1 Rb8 22. Rxb8+ Nxb8 23. Ne5 Kf8 24. Na2 Nfd7 25. Nd3 Ke7 26. f3 Kd8 27. Kf2 Kc7 28. g4 Kb7 29. e4 Na6 30. e5 Nc7 31. a4 Nb8 32. Ndc1 Kc8 33. Nb3 Nca6 34. Na5 Nc7 35. Nb4 Kd7 36. Nb7 Ne8 37. f4 g6 38. Kg3 h6 39. h4 Ke7 40. h5 gxh5 41. f5 f6 42. Na5 Kd7 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.08"]
[Round "4"]
[White "Matveev, Ivan A"]
[Black "Martynyuk, Elizaveta"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1674"]
[BlackElo "2072"]
[PlyCount "52"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Bg5 Bg7 9. Be2 0-0 10. 0-0 a5 11. Qd2 a4 12. Rfd1 Be6 13. Bh6 Bxh6 14. Qxh6 Qb6 15. Rab1 Qb4 16. Nd5 Nxd5 17. exd5 Bf5 18. Bd3 Bxd3 19. Rxd3 f6 20. Re3 Rf7 21. b3 Qd2 22. Qh4 Qxa2 23. Qe4 Qd2 24. bxa4 Rxa4 25. Rxb7 Ra1+ 26. Rb1 f5 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.07"]
[Round "3"]
[White "Volkov, Sergey"]
[Black "Matveev, Ivan A"]
[Result "1-0"]
[ECO "D64"]
[WhiteElo "2557"]
[BlackElo "1674"]
[PlyCount "48"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Rc1 0-0 8. Qc2 b6 9. cxd5 exd5 10. Bd3 Bb7 11. 0-0 Re8 12. h3 h6 13. Bf4 Rc8 14. Qe2 Nb8 15. Rfd1 Bd6 16. Bxd6 Qxd6 17. Ne5 Nbd7 18. f4 Qc7 19. Rc2 c5 20. Bb5 c4 21. Qf3 a6 22. Bxd7 Nxd7 23. Nxd5 Qd6 24. Ne7+ Qxe7 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.06"]
[Round "2"]
[White "Matveev, Ivan A"]
[Black "Ovezdurdiyeva, Jemal"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1674"]
[BlackElo "2117"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. 0-0 Be7 10. Qd2 0-0 11. Rad1 Rc8 12. Rfe1 Qc7 13. Bd3 h6 14. Bh4 b5 15. Ne2 Rfd8 16. h3 Nc5 17. Bxf6 Bxf6 18. Nc3 Bg5 19. Qe2 Nxd3 20. cxd3 b4 21. Nd5 Bxd5 22. exd5 Qb7 23. Qe4 Rc2 24. Na5 Qb6 25. d4 Rxb2 26. Nc4 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.05"]
[Round "1"]
[White "Vasiliev, Georgiy"]
[Black "Matveev, Ivan A"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2172"]
[BlackElo "1674"]
[PlyCount "103"]
[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 Nf6 3. Nf3 Nc6 4. e3 d6 5. d4 exd4 6. Nxd4 g6 7. Be2 Nxd4 8. Qxd4 Bg7 9. 0-0 0-0 10. Qd3 Re8 11. f3 Be6 12. Rd1 Nd7 13. b3 Nc5 14. Qc2 Be5 15. Bb2 Qh4 16. f4 Bf5 17. Qc1 Bg7 18. Nd5 Qd8 19. Bf3 c6 20. Bxg7 Kxg7 21. Nc3 Qe7 22. e4 Nxe4 23. Nxe4 Bxe4 24. Bxe4 Qxe4 25. Rxd6 Rad8 26. Qc3+ Kg8 27. Rxd8 Rxd8 28. Rf1 Rd3 29. Re1 Qxg2+ 30. Kxg2 Rxc3 31. Re7 Rc2+ 32. Kg3 Rxa2 33. Rxb7 Kg7 34. b4 Ra4 35. b5 c5 36. Rc7 Rxc4 37. Rxa7 Rb4 38. Rb7 Kf6 39. b6 Rb3+ 40. Kg2 Ke6 41. Rc7 Rxb6 42. Rxc5 Rb3 43. Re5+ Kf6 44. Ra5 Ke6 45. Re5+ Kf6 46. Ra5 Kg7 47. Rc5 Kh6 48. h3 Rb2+ 49. Kg3 Rb3+ 50. Kg2 Rb2+ 51. Kg3 Rb3+ 52. Kg2 1/2-1/2

