[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

