[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "10"]
[White "Arshakuni, Nikita"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "E01"]
[BlackElo "2108"]
[PlyCount "71"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 dxc4 7. 0-0 Be7 8. Qa4+ Nbd7 9. Rd1 0-0 10. Qxc4 Nb6 11. Qc2 Nbd5 12. Nc3 Qa5 13. Bd2 Nb4 14. Qb3 Qh5 15. Ne4 Nxe4 16. Bxe4 Na6 17. Bf3 Qh3 18. Qb5 Bf6 19. Bc3 Nc7 20. Qc4 Nd5 21. Bxd5 exd5 22. Qxd5 Bg4 23. Nf3 Bxc3 24. bxc3 b6 25. Rd4 Qh5 26. Qxh5 Bxh5 27. Kf1 Rac8 28. Rc1 Bxf3 29. exf3 Rc5 30. Ke2 Rfc8 31. Kd3 g6 32. Rc2 Ra5 33. Rd7 Kg7 34. Kd4 Ra4+ 35. c4 b5 36. Kd5 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "6"]
[White "Efimov, Ignat"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2108"]
[BlackElo "2432"]
[PlyCount "78"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 e6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. Bg2 Qa6 11. Nd2 0-0 12. Nb5 Qc6 13. b3 a6 14. Nd4 Qc7 15. Bb2 Qa5 16. N4f3 Nxe4 17. Qxe4 Nxf3+ 18. Bxf3 Bxd2+ 19. Kf1 Bc3 20. Bxc3 Qxc3 21. Kg2 Rb8 22. Rad1 Qa5 23. Qc2 Qc7 24. Rd2 d5 25. cxd5 Qxc2 26. Rxc2 exd5 27. Bxd5 Rd8 28. Bf3 Be6 29. Rhc1 g6 30. h4 Rd7 31. Rc7 Rd2 32. R1c2 Rxc2 33. Rxc2 b6 34. Rc6 a5 35. Be2 Kf8 36. Bc4 Bd7 37. Rc7 Be8 38. a4 Rd8 39. Rb7 Bc6+ 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "11"]
[White "Efimov, Ignat"]
[Black "Shapiro, Viktor"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2108"]
[BlackElo "2249"]
[PlyCount "107"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. c3 b6 4. g3 e6 5. Bg2 Bb7 6. 0-0 Be7 7. Bg5 0-0 8. Nbd2 d5 9. Ne5 cxd4 10. cxd4 Nc6 11. Ndf3 Ne4 12. Bxe7 Nxe7 13. Nd2 Nd6 14. Rc1 f6 15. Nd3 Rc8 16. Qa4 Nc6 17. e3 a6 18. Nf4 Qe7 19. Bh3 f5 20. Qb3 b5 21. Qd1 g5 22. Nd3 Rc7 23. Nc5 Bc8 24. f4 Nc4 25. Nxc4 dxc4 26. Qh5 g4 27. Bg2 Rd8 28. Rfd1 Nb4 29. a3 Nd5 30. Bxd5 Rxd5 31. e4 fxe4 32. Qxg4+ Kh8 33. Nxe4 e5 34. Qg5 exd4 35. Qxd5 d3 36. Qe5+ Qxe5 37. fxe5 Re7 38. Nd6 Bg4 39. Rd2 Kg7 40. Kg2 Rxe5 41. h3 Bd7 42. g4 Bc6+ 43. Kf2 h5 44. Nf5+ Kf6 45. b3 hxg4 46. hxg4 Re4 47. Ne3 Rf4+ 48. Kg1 Re4 49. Kf2 Rf4+ 50. Kg1 Re4 51. Kf2 Rf4+ 52. Kg1 Re4 53. Kf2 Rf4+ 54. Kg1 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "9"]
[White "Efimov, Ignat"]
[Black "Usmanov, Vasily"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2108"]
[BlackElo "2443"]
[PlyCount "60"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 a5 3. a4 c6 4. Bb2 Bf5 5. g3 e6 6. Bg2 h6 7. 0-0 Nf6 8. d3 Be7 9. Nbd2 0-0 10. Ne5 Nbd7 11. e4 Bh7 12. Nxd7 Nxd7 13. f4 Bf6 14. e5 Be7 15. Kh1 b5 16. Nf3 Nc5 17. Nd4 Qd7 18. Bh3 bxa4 19. bxa4 Nxa4 20. Rxa4 c5 21. Qa1 cxd4 22. Rxa5 Qc6 23. Rc1 Bb4 24. Ra2 Bd2 25. Rf1 Rxa2 26. Qxa2 Qxc2 27. f5 Qxd3 28. fxe6 Be4+ 29. Kg1 Be3+ 30. Rf2 Bxf2+ 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "8"]
[White "Kuznetsov, Felix"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2255"]
[BlackElo "2108"]
[PlyCount "51"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 Nc6 6. 0-0 e6 7. c4 Nb6 8. Be3 Bxf3 9. Bxf3 Nxc4 10. Qa4 Nb6 11. Bxc6+ bxc6 12. Qxc6+ Qd7 13. Qf3 Be7 14. Nc3 0-0 15. Qg4 Rfd8 16. Rfd1 Rab8 17. Bh6 Bf8 18. Ne4 Nd5 19. Qg3 Rxb2 20. Bf4 Qa4 21. Bxc7 Rxa2 22. Rac1 Nxc7 23. Qxc7 Rxd4 24. Rxd4 Qxd4 25. Qc6 Re2 26. Ng3 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.13"]
[Round "9"]
[White "Al Hosani, Omran"]
[Black "Efimov, Ignat"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2289"]
[BlackElo "2138"]
[PlyCount "113"]
[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. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. d4 0-0 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d5 12. Nc3 Bf6 13. Bf4 d4 14. e5 dxc3 15. exf6 Qxf6 16. Nxg7 cxb2 17. Rb1 Qxg7 18. Bxc7 Na6 19. Bf4 Nc5 20. Qh5 Ba6 21. Bh6 Qg6 22. Qxg6+ hxg6 23. Bxf8 Bxf1 24. Bxc5 Bxg2 25. Kxg2 bxc5 26. Rxb2 Kg7 27. Rc2 Kf6 28. Rxc5 Rc8 29. Kf3 Ke6 30. Ke4 Kd6 31. Kd4 Rb8 32. Rc2 Rb4+ 33. Kc3 c5 34. Rd2+ Ke6 35. a3 Ra4 36. Kb3 Ra6 37. Rd3 Rb6+ 38. Kc2 Ra6 39. Kb3 Rb6+ 40. Kc4 Rb2 41. Rf3 Rc2+ 42. Kb5 Kd5 43. Rd3+ Ke4 44. Rd7 Rxf2 45. Rxa7 f5 46. Rg7 Rxh2 47. Rxg6 Kd5 48. Rg5 Rb2+ 49. Ka4 Ke4 50. g4 f4 51. Rxc5 f3 52. Ka5 Rg2 53. a4 f2 54. Rf5 Ke3 55. Kb6 Rxg4 56. Rxf2 Kxf2 57. a5 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.12"]
[Round "8"]
[White "Efimov, Ignat"]
[Black "Mekanova, Annagozel"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2138"]
[BlackElo "1809"]
[PlyCount "85"]
[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. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 c5 7. cxd5 exd5 8. d4 b6 9. 0-0 Bb7 10. Nc3 Na6 11. Ne5 Nc7 12. e3 Nd7 13. Nxd7 Qxd7 14. dxc5 bxc5 15. Qc2 Rfd8 16. Rfd1 Qg4 17. Rd2 Rd6 18. Ne2 Ne6 19. Be5 Rd7 20. Nf4 Nxf4 21. exf4 Rad8 22. h3 Qe6 23. Re1 d4 24. f5 Qb6 25. Bxb7 Rxb7 26. Qe4 Bf8 27. f6 g6 28. Rd3 Rbd7 29. g4 Re8 30. f4 Qa5 31. Re2 Qa6 32. Red2 Rdd8 33. Qf3 Bd6 34. Bxd6 Rxd6 35. g5 Rde6 36. Kg2 h6 37. h4 Qa3 38. f5 Re4 39. fxg6 Rxh4 40. Qd5 Rf8 41. gxf7+ Rxf7 42. g6 Rg4+ 43. Rg3 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.11"]
[Round "7"]
[White "Alekseev, Mikhail1"]
[Black "Efimov, Ignat"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1940"]
[BlackElo "2138"]
[PlyCount "79"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. Be2 Nc6 6. 0-0 e6 7. c4 Nb6 8. Nc3 Be7 9. d5 exd5 10. cxd5 Bxf3 11. Bxf3 Ne5 12. Be4 0-0 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Qxe5 Re8 16. Qg3 Bf6 17. Bf4 Nxd5 18. Rad1 c6 19. Nxd5 cxd5 20. Qb3 Qb6 21. Qxb6 axb6 22. Rxd5 Rxa2 23. b4 Rb2 24. b5 Re4 25. Bc1 Rb3 26. Rfd1 Reb4 27. Bg5 Bxg5 28. Rxg5 f6 29. Rgd5 Rxb5 30. g3 Rxd5 31. Rxd5 Ra3 32. h4 Ra7 33. Rd6 Kf7 34. Rxb6 Ke7 35. Kg2 Kd7 36. Kf3 Kc7 37. Rb4 Kc6 38. Rc4+ Kd6 39. Rd4+ Kc6 40. Rc4+ 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.10"]
[Round "6"]
[White "Efimov, Ignat"]
[Black "Shilo, Kirill"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2138"]
[BlackElo "1824"]
[PlyCount "89"]
[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. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 d5 5. Bg2 0-0 6. 0-0 Nc6 7. cxd5 Nxd5 8. e4 Nb6 9. d5 Na5 10. Nc3 c6 11. Nd4 cxd5 12. exd5 Nac4 13. b3 Nd6 14. Re1 Nf5 15. Nde2 a5 16. a4 e6 17. Ba3 Re8 18. d6 Be5 19. Ra2 Rb8 20. Nb5 Bd7 21. Nec3 Bg7 22. Rd2 e5 23. Nc7 Rf8 24. N3b5 Bxb5 25. Nxb5 Qd7 26. Bb2 f6 27. Bc3 Ra8 28. Qf3 Rfb8 29. h4 Qf7 30. Bh3 Qxb3 31. Bxf5 gxf5 32. Qxf5 Nxa4 33. Rb1 Qc4 34. Ba1 Qf7 35. Rc1 Qg6 36. Qe6+ Qf7 37. Qg4 Nb6 38. h5 Qd7 39. Qe2 Rc8 40. Rc7 Rxc7 41. dxc7 Qe7 42. Qe3 Nc8 43. Rd8+ Bf8 44. Bb2 Qc5 45. Qxc5 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.09"]
[Round "5"]
[White "Usacheva, Glafira"]
[Black "Efimov, Ignat"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "1905"]
[BlackElo "2138"]
[PlyCount "55"]
[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. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. Bf4 d5 12. e4 Ne6 13. Qg4 g6 14. Bh6 Re8 15. exd5 cxd5 16. Nc3 Nd7 17. Nxe7+ Rxe7 18. Qh4 Ne5 19. f4 d4 20. Ne4 Nd7 21. f5 gxf5 22. Rxf5 Ndf8 23. Nf6+ Kh8 24. Bxf8 Nxf8 25. Rh5 Kg7 26. Qg5+ Ng6 27. Rxh7+ Kf8 28. Qh6# 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.08"]
[Round "4"]
[White "Efimov, Ignat"]
[Black "Gabdrakhmanov, Azat"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2138"]
[BlackElo "2353"]
[PlyCount "144"]
[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. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. f3 Bb7 6. e4 d6 7. Be2 e6 8. Be3 Be7 9. 0-0 0-0 10. Nc3 a6 11. Kh1 Nbd7 12. a4 Rc8 13. a5 bxa5 14. Nb3 h5 15. Nxa5 Ba8 16. Nb3 Nb8 17. Na4 Nfd7 18. Qd2 Nc6 19. Rfd1 Rb8 20. Nd4 h4 21. Nxc6 Bxc6 22. h3 Qc7 23. b4 Ne5 24. c5 Rfd8 25. Qe1 Bxa4 26. Rxa4 dxc5 27. Rxd8+ Rxd8 28. Rxa6 Nd3 29. Bxd3 Rxd3 30. Bxc5 Bf6 31. Ra8+ Kh7 32. e5 Qxe5 33. Qb1 Qf5 34. Ra2 Rxf3 35. Qxf5+ Rxf5 36. Kg1 Rd5 37. Rc2 Rd1+ 38. Kf2 Rb1 39. Ke3 Rb3+ 40. Kd2 Bg5+ 41. Ke2 e5 42. Bd6 e4 43. Rc5 Rb2+ 44. Kf1 f6 45. Rc7 Kg6 46. Bf8 Bh6 47. Re7 e3 48. Re4 Kf5 49. Re8 Rb1+ 50. Ke2 Rg1 51. Kd3 Rxg2 52. b5 Rb2 53. Kc4 Bf4 54. Ba3 Rb1 55. Bc5 Rc1+ 56. Kd5 Rxc5+ 57. Kxc5 Be5 58. b6 e2 59. Rxe5+ Kxe5 60. b7 e1Q 61. b8Q+ Kf5 62. Qh8 g5 63. Kd6 Qe6+ 64. Kc7 Kf4 65. Qa8 Qxh3 66. Qa4+ Kg3 67. Qd1 Kh2 68. Kd8 g4 69. Qd6+ Qg3 70. Qxf6 Qd3+ 71. Kc8 Qc4+ 72. Kb7 g3 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.07"]
[Round "3"]
[White "Smorodkin, Kirill"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "1848"]
[BlackElo "2138"]
[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. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Be2 cxd4 7. Nxd4 Nxc3 8. bxc3 e5 9. Nxc6 bxc6 10. Qxd8+ Kxd8 11. Be3 Kc7 12. 0-0 Be6 13. a4 Bd6 14. a5 c5 15. a6 Rab8 16. Ra5 Kb6 17. Rb5+ Kc6 18. c4 f5 19. Rd1 Be7 20. Rdb1 Rb6 21. Bf4 e4 22. c3 Rd8 23. Rxb6+ axb6 24. f3 Bf6 25. fxe4 fxe4 26. h3 Bxc3 27. Rc1 Bd4+ 28. Kh1 Ra8 29. Bd1 Rxa6 30. Bc2 Bxc4 31. Bxe4+ Bd5 32. Bxh7 Ra2 33. Rc2 b5 34. Rxa2 Bxa2 35. Bg6 b4 36. Be8+ Kb6 37. Bd2 Bc3 38. Be3 b3 39. Bf7 Kb5 40. Bg5 Bf6 41. Bd2 c4 42. g4 b2 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.06"]
[Round "2"]
[White "Efimov, Ignat"]
[Black "Sawlin, Leonid"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2138"]
[BlackElo "2395"]
[PlyCount "56"]
[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. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. b3 d4 6. e3 c5 7. exd4 cxd4 8. 0-0 Nc6 9. Re1 0-0 10. Bb2 Qb6 11. Ne5 Nxe5 12. Rxe5 Bd7 13. a4 a5 14. Na3 Bc5 15. Nb5 Bc6 16. d3 Nd7 17. Re2 e5 18. Qc2 Rae8 19. Kh1 Bxg2+ 20. Kxg2 f5 21. f3 Nf6 22. Rae1 e4 23. dxe4 fxe4 24. fxe4 Ng4 25. Bc1 Qf6 26. Kh3 Qf3 27. Qd1 Re5 28. Rd2 Rh5# 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.05"]
[Round "1"]
[White "Romanov, Nikita"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1587"]
[BlackElo "2138"]
[PlyCount "142"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. 0-0 e6 13. Nc3 Be7 14. Qg4 0-0 15. Rd1 Nd5 16. Nxd5 Qxd5 17. Bf4 Bf6 18. Qg3 Rfd8 19. Be5 Bxe5 20. Qxe5 Rab8 21. b3 Rb5 22. g3 h5 23. Rac1 Qf3 24. Qe3 Qg4 25. f3 Qh3 26. Rxc6 e5 27. Qg5 Rbd5 28. Rc5 f6 29. Rxd5 Rxd5 30. Qe3 Qd7 31. Re1 Rxd4 32. Re2 h4 33. gxh4 Rxh4 34. Rd2 Qf5 35. Rd8+ Kh7 36. Qd3 e4 37. Qd5 Qxd5 38. Rxd5 exf3 39. Ra5 f2+ 40. Kxf2 Rxh2+ 41. Kg3 Rb2 42. Rxa7 Kh6 43. Kg4 g5 44. Ra6 Kg6 45. Kg3 Rb1 46. Kg4 Rg1+ 47. Kf3 Rf1+ 48. Kg4 Rf4+ 49. Kg3 Kh5 50. a4 Rg4+ 51. Kf3 f5 52. Rb6 Rd4 53. a5 g4+ 54. Kg2 Kh4 55. Rh6+ Kg5 56. Rb6 Kf4 57. a6 Rd2+ 58. Kf1 Kf3 59. Ke1 Re2+ 60. Kd1 Ra2 61. Rc6 Ra1+ 62. Kc2 g3 63. Kb2 g2 64. Kxa1 g1Q+ 65. Kb2 Ke4 66. Rc4+ Kd5 67. Ra4 Qf2+ 68. Ka3 Qc5+ 69. b4 Qc3+ 70. Ka2 Qc2+ 71. Ka3 Kc4 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.22"]
[Round "9"]
[White "Efimov, Ignat"]
[Black "Lisin, Egor"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2157"]
[BlackElo "1896"]
[PlyCount "57"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. 0-0 Nc6 7. Nc3 e5 8. dxe5 Nxe5 9. b3 Nxf3+ 10. Bxf3 Bh3 11. Re1 Nd7 12. Bb2 Ne5 13. Bh1 Nc6 14. Qd2 f5 15. Nd5 Bxb2 16. Qxb2 g5 17. Rad1 f4 18. Bg2 Bxg2 19. Kxg2 b6 20. gxf4 gxf4 21. Rg1 Ne5 22. Kh1+ Ng6 23. Rg4 c6 24. Rdg1 Kf7 25. Nxf4 Rg8 26. Qd4 Qf6 27. Nxg6 Qxd4 28. Rxd4 hxg6 29. Rxd6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.21"]
[Round "8"]
[White "Makov, Artem"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1911"]
[BlackElo "2157"]
[PlyCount "102"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. e3 0-0 8. Qc2 Nbd7 9. cxd5 exd5 10. Bd3 h6 11. Bf4 Nh5 12. Bg3 c5 13. 0-0 Nxg3 14. hxg3 Re8 15. Rfd1 Nf6 16. Bf5 Bf8 17. dxc5 bxc5 18. Na4 Qe7 19. Rac1 g6 20. Bh3 Ne4 21. Nc3 Nxc3 22. Qxc3 Bg7 23. Qa5 d4 24. Re1 d3 25. Rxc5 Bxb2 26. Nd2 Be5 27. Rb1 Bc8 28. Rbb5 Bd6 29. Rd5 Bxh3 30. gxh3 Bxg3 31. fxg3 Qxe3+ 32. Kg2 Qe2+ 33. Kg1 Qe3+ 34. Kg2 Qe2+ 35. Kg1 Qd1+ 36. Nf1 Re1 37. Rd8+ Kh7 38. Rf5 Rxd8 39. Rxf7+ Kg8 40. Qc7 Qb3 41. Rg7+ Kf8 42. Rxg6 Rxf1+ 43. Kxf1 Qf7+ 44. Rf6 Qxf6+ 45. Kg2 Qd6 46. Qh7 Qd5+ 47. Kf2 Qd4+ 48. Kf3 Qf6+ 49. Ke3 d2 50. Qc2 d1Q 51. Qc5+ Qe7+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.20"]
[Round "7"]
[White "Efimov, Ignat"]
[Black "Sabirov, Timur"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2157"]
[BlackElo "1950"]
[PlyCount "156"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. cxd5 Nxd5 6. g3 b6 7. Bg2 Bb7 8. 0-0 Nd7 9. d4 N7f6 10. Nbd2 Rc8 11. e4 Nb4 12. e5 Nfd5 13. Nc4 b5 14. Nd6+ Bxd6 15. exd6 c4 16. bxc4 bxc4 17. Ne5 0-0 18. a3 Na6 19. d7 Rc7 20. Bh3 Nb8 21. Qa4 c3 22. Bc1 Nxd7 23. Qxa7 Qf6 24. Nxd7 Rxd7 25. Bg2 Ra8 26. Qc5 Qd8 27. Bxd5 Rc8 28. Bxb7 Rxc5 29. dxc5 Rxb7 30. Be3 c2 31. Rac1 Qd3 32. h4 e5 33. a4 f5 34. Kg2 Qe4+ 35. Kh2 f4 36. c6 Rc7 37. Bb6 Rxc6 38. a5 Qe2 39. Kh3 h5 40. Ra1 Qxf1+ 41. Rxf1 c1Q 42. Rxc1 Rxc1 43. gxf4 exf4 44. a6 Ra1 45. a7 Kf7 46. Kg2 Ke6 47. Bd4 Ra4 48. f3 Kf5 49. Kf1 Ra2 50. Bxg7 Rxa7 51. Bd4 Ra2 52. Kg1 Rd2 53. Bb6 Rc2 54. Ba7 Ke6 55. Bb8 Rc4 56. Kf1 Kd5 57. Ke2 Rb4 58. Bc7 Rb2+ 59. Kf1 Rh2 60. Bxf4 Rxh4 61. Bg3 Rb4 62. Kg2 Rb3 63. Bf2 Rb2 64. Kg1 Ke5 65. Bg3+ Kf5 66. Bc7 h4 67. Bd8 h3 68. Bc7 Ke6 69. Bf4 Kd5 70. Kh1 Kc4 71. Bd6 Kd3 72. Bc5 Ke2 73. Bd4 Rb1+ 74. Kh2 Kxf3 75. Bc5 Kg4 76. Bd4 Rc1 77. Ba7 Rc2+ 78. Kh1 h2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.19"]
[Round "6"]
[White "Fakhrutdinov, Timur"]
[Black "Efimov, Ignat"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2499"]
[BlackElo "2157"]
[PlyCount "81"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bf4 Qb6 7. b3 Qc7 8. Bd3 e6 9. Qe2 d5 10. exd6 Bxd6 11. Bxd6 Qxd6 12. 0-0-0 Bd7 13. Qe3 Qe7 14. Ng5 h6 15. Ne4 b6 16. g4 Rd8 17. f4 f5 18. Ng3 0-0 19. Rhg1 c4 20. Bxc4 fxg4 21. Rxd7 Rxd7 22. Qxe6+ Qxe6 23. Bxe6+ Rdf7 24. Re1 Kh7 25. Bxf7 Rxf7 26. Re4 g6 27. Kd2 h5 28. Ne2 Ne7 29. Nd4 Kh6 30. c4 h4 31. Ke3 h3 32. Kf2 g5 33. Kg3 Kh5 34. fxg5 Ng6 35. Rxg4 Rf1 36. Ne2 Re1 37. Nf4+ Nxf4 38. Rxf4 Kxg5 39. Rf3 Re2 40. Rc3 Kf5 41. c5 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.18"]
[Round "5"]
[White "Efimov, Ignat"]
[Black "Romanov, Vasily"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2157"]
[BlackElo "1906"]
[PlyCount "107"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 c6 4. g3 Bg4 5. d3 Nbd7 6. Nbd2 e6 7. Bg2 Bc5 8. h3 Bf5 9. Nh4 Bg6 10. 0-0 0-0 11. e4 dxe4 12. dxe4 Qc7 13. Kh1 e5 14. Qe2 Nh5 15. Bf3 Nhf6 16. Nf5 Rfd8 17. h4 h6 18. a4 Re8 19. Rad1 Rad8 20. Kg2 a6 21. Bg4 Nxg4 22. Qxg4 Nf6 23. Qe2 b5 24. axb5 axb5 25. g4 h5 26. f3 hxg4 27. fxg4 Rd7 28. h5 Bxf5 29. exf5 Nd5 30. Ne4 Ne3+ 31. Kh3 Nxd1 32. Rxd1 Rxd1 33. Qxd1 Bd4 34. Bc1 f6 35. g5 Qd7 36. Qg4 fxg5 37. Bxg5 Kf7 38. Bh4 Be3 39. Qg6+ Kf8 40. Bg5 Qd1 41. Bxe3 Qh1+ 42. Kg3 Qxe4 43. Bc5+ Re7 44. Bxe7+ Kxe7 45. Qxg7+ Kd6 46. Qf6+ Kc5 47. Qe7+ Kd5 48. Qe6+ Kd4 49. Qd6+ Ke3 50. Qd3+ Qxd3 51. cxd3 Kxd3 52. f6 e4 53. f7 e3 54. f8Q 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.17"]
[Round "4"]
[White "Schekachikhin, Maksim"]
[Black "Efimov, Ignat"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2416"]
[BlackElo "2157"]
[PlyCount "113"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. g3 Bb7 5. Bg2 Be7 6. d4 Ne4 7. Bd2 0-0 8. 0-0 d5 9. cxd5 exd5 10. Rc1 Nd7 11. Bf4 Nxc3 12. Rxc3 c5 13. Rc1 Re8 14. Bh3 Bf8 15. Re1 c4 16. Qa4 Nb8 17. Bxb8 Rxb8 18. b3 a5 19. bxc4 Bb4 20. Red1 dxc4 21. Qc2 Bd5 22. Ne5 b5 23. Bf5 g6 24. Bd7 Re7 25. e4 Ba8 26. Bc6 Qc7 27. Bxa8 Rxa8 28. Ng4 Qb7 29. e5 Qf3 30. Nf6+ Kg7 31. a4 bxa4 32. Qxc4 Rd8 33. Rd3 Qf5 34. f4 Re6 35. d5 Rxf6 36. exf6+ Qxf6 37. Kg2 h5 38. Qd4 a3 39. Rc2 Rd6 40. Kf3 Rd7 41. Qe5 Re7 42. Qxf6+ Kxf6 43. Re3 Rd7 44. Ke4 Re7+ 45. Kd4 a2 46. Rxa2 Bc5+ 47. Kxc5 Rxe3 48. Rxa5 Rc3+ 49. Kd6 Rc2 50. Kd7 Rxh2 51. d6 h4 52. gxh4 Rxh4 53. Ra4 Rh1 54. Rd4 Rc1 55. Kd8 Ke6 56. d7 Rh1 57. Kc7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.16"]
[Round "3"]
[White "Efimov, Ignat"]
[Black "Fairuzova, Zulfiiya"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2157"]
[BlackElo "1847"]
[PlyCount "67"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. d4 0-0 7. d5 d6 8. Nc3 e5 9. Ne1 Nbd7 10. e4 Ne8 11. Nd3 Nc5 12. Be3 Nxd3 13. Qxd3 Bf6 14. b4 g6 15. a4 a5 16. bxa5 Rxa5 17. Nb5 Ra6 18. Bd2 Bg7 19. a5 bxa5 20. Rxa5 Rxa5 21. Bxa5 Qd7 22. Rb1 c6 23. dxc6 Qxc6 24. Bb4 Ba6 25. Bf1 h6 26. Qd5 Qd7 27. Nxd6 Nc7 28. Qa5 Ra8 29. Qb6 Ne6 30. Bh3 Bf8 31. Nxf7 Qd3 32. Bxf8 Nxf8 33. Nxh6+ Kg7 34. Ng4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.15"]
[Round "2"]
[White "Bukal, Vladimir Jr"]
[Black "Efimov, Ignat"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2405"]
[BlackElo "2157"]
[PlyCount "73"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 Ne4 4. Bf4 g6 5. Nbd2 Bb7 6. h4 Bg7 7. h5 d6 8. Nxe4 Bxe4 9. Qd2 c5 10. Bh6 Bxh6 11. Qxh6 gxh5 12. 0-0-0 Nd7 13. Qg7 Rf8 14. Ng5 Nf6 15. f3 Bg6 16. e4 Qd7 17. dxc5 Rg8 18. Qh6 bxc5 19. Bc4 e6 20. Nh3 e5 21. Rd3 Rb8 22. Nf2 Rb6 23. Qd2 Ke7 24. b3 Rgb8 25. Qg5 Rg8 26. Qh4 Qc7 27. Nd1 d5 28. Rxd5 Kf8 29. Rd2 Kg7 30. Ne3 Rd8 31. Rxd8 Qxd8 32. Qg5 Qc7 33. Rd1 Rc6 34. Nf5+ Kh8 35. Qh6 Bxf5 36. Qf8+ Ng8 37. Bxf7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.14"]
[Round "1"]
[White "Efimov, Ignat"]
[Black "Kupriyanov, Konstantin"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2157"]
[BlackElo "1591"]
[PlyCount "85"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 e6 3. g3 d5 4. cxd5 exd5 5. d4 Nf6 6. Bg2 cxd4 7. 0-0 Bc5 8. Nbd2 0-0 9. Nb3 Bb6 10. Nbxd4 Nc6 11. b3 Re8 12. Bb2 Bg4 13. Nxc6 bxc6 14. Qc2 Ne4 15. Rac1 Bf5 16. Qxc6 Nxf2 17. Rxf2 Rxe2 18. Nd4 Rxb2 19. Rxf5 Bxd4+ 20. Kh1 Rb8 21. Rxd5 Qe8 22. Rxd4 g6 23. Qxe8+ Rxe8 24. Bd5 Ree2 25. h4 Rxa2 26. Rf1 Kh8 27. Kg1 Re3 28. Rf3 Re1+ 29. Rf1 Re3 30. Rf2 Rxg3+ 31. Kh2 Rxf2+ 32. Kxg3 Rf1 33. Bc4 Rf6 34. Rd7 a5 35. Ra7 Rf5 36. Bxf7 Re5 37. Bc4 Rf5 38. Rb7 Re5 39. Rb5 Rxb5 40. Bxb5 Kg7 41. Kf4 Kf6 42. Ke4 h5 43. Kf4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.23"]
[Round "9"]
[White "Efimov, Ignat"]
[Black "Zhukov, Ivan"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1000"]
[BlackElo "2061"]
[PlyCount "65"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. 0-0 Nc6 7. Nc3 a6 8. Qd3 Bf5 9. e4 Bg4 10. d5 Bxf3 11. Qxf3 Nd4 12. Qd1 c5 13. dxc6 Nxc6 14. Be3 Rc8 15. Rc1 Ne5 16. b3 e6 17. h3 Qe7 18. Qd2 Nc6 19. Rfd1 Ne8 20. Nd5 exd5 21. cxd5 Nf6 22. dxc6 Nxe4 23. Qb4 Nxg3 24. cxb7 Ne2+ 25. Kf1 Rxc1 26. Bxc1 Nc3 27. Re1 Qc7 28. Bf4 Nb5 29. Rd1 Be5 30. Rc1 Qb8 31. Bxe5 dxe5 32. Qxf8+ Qxf8 33. Rc8 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.22"]
[Round "8"]
[White "Ioffe, Ilya"]
[Black "Efimov, Ignat"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2267"]
[BlackElo "1000"]
[PlyCount "57"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6 7. 0-0 Be7 8. c4 Nf6 9. Nc3 0-0 10. Qb3 Qc8 11. Bf4 Ne4 12. Nb5 Nd6 13. Rac1 Nxb5 14. cxb5 c6 15. Qe3 Qd8 16. Rfd1 Qb6 17. Ne5 cxb5 18. g4 Bg6 19. h4 Bxh4 20. Kg2 f6 21. Nxg6 hxg6 22. Bc7 Qa6 23. Qb3 Qa4 24. Qxe6+ Rf7 25. Bd3 Qxd4 26. Bxg6 Qxf2+ 27. Kh3 Na6 28. Bxf7+ Kh8 29. Qf5 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.21"]
[Round "7"]
[White "Efimov, Ignat"]
[Black "Pogosian, Vladimir"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1000"]
[BlackElo "2061"]
[PlyCount "61"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 Nf6 3. e4 d6 4. Nc3 e5 5. exf5 Bxf5 6. d4 e4 7. Nh4 Bg4 8. Be2 Be6 9. d5 Bf7 10. Nf5 c6 11. Bg5 Bxd5 12. 0-0 Qd7 13. Ne3 Bf7 14. Bxf6 gxf6 15. Nxe4 Be7 16. Bg4 Be6 17. Re1 0-0 18. Bxe6+ Qxe6 19. Ng3 Qd7 20. Nef5 Bd8 21. Qg4+ Kh8 22. Re7 Rg8 23. Rxd7 Rxg4 24. Rxd8+ Rg8 25. Rxd6 Rf8 26. Ne4 Na6 27. Nxf6 Rf7 28. Rad1 Raf8 29. g4 h6 30. Nd7 Rd8 31. Rxh6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.20"]
[Round "6"]
[White "Efimov, Ignat"]
[Black "Privalikhin, Fedor"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1000"]
[BlackElo "2143"]
[PlyCount "74"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nc6 5. Nc3 Nf6 6. Bf4 a6 7. e3 Bf5 8. Bd3 Bg6 9. Rc1 e6 10. 0-0 Bd6 11. Bxd6 Qxd6 12. Na4 0-0 13. Nc5 Ra7 14. Bxg6 hxg6 15. Qb3 b5 16. Qa3 a5 17. Qd3 Rb8 18. Ng5 Ng4 19. f4 a4 20. h3 Nf6 21. Kh1 Na5 22. e4 Nh7 23. e5 Qb6 24. Ncxe6 fxe6 25. Qxg6 Nf8 26. Qd3 g6 27. g4 Rg7 28. Rc5 Nc6 29. Rfc1 Nb4 30. Qb1 Na6 31. Rc6 Qxd4 32. Rxa6 Qxf4 33. Nxe6 Qf3+ 34. Kh2 Rh7 35. Ng5 Qf4+ 36. Kg2 Qd2+ 37. Kg1 Qxg5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.19"]
[Round "5"]
[White "Zemnitskiy, Alexander"]
[Black "Efimov, Ignat"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2069"]
[BlackElo "1000"]
[PlyCount "80"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 Bg4 4. f3 Bh5 5. Bd3 Nbd7 6. Bxf6 gxf6 7. Ne2 c6 8. Ng3 Bg6 9. f4 Bxd3 10. Qxd3 e6 11. e4 Qa5+ 12. c3 dxe4 13. Nxe4 f5 14. Ng5 Bd6 15. g3 Qd5 16. Qf3 h6 17. Qxd5 cxd5 18. Nf3 Ke7 19. 0-0 Nf6 20. Nbd2 Ne4 21. Nxe4 fxe4 22. Ne5 Rhg8 23. f5 Rg5 24. fxe6 Bxe5 25. dxe5 fxe6 26. Rf6 h5 27. Raf1 Rxe5 28. Rf7+ Kd6 29. Rxb7 h4 30. gxh4 Rg8+ 31. Kh1 Rf5 32. Re1 Rf2 33. Rxa7 Rxb2 34. h5 Rgg2 35. Rh7 Rxh2+ 36. Kg1 Rbg2+ 37. Kf1 Rxa2 38. Kg1 Rag2+ 39. Kf1 Ke5 40. h6 Rg6 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.18"]
[Round "4"]
[White "Efimov, Ignat"]
[Black "Klimentov, Evgeny"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1000"]
[BlackElo "2192"]
[PlyCount "50"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 Nd7 5. 0-0 e5 6. dxe5 dxe5 7. e4 Ne7 8. Nbd2 0-0 9. Qe2 Nc6 10. Nc4 Nc5 11. Rd1 Qe7 12. Ne3 Nd4 13. Nxd4 exd4 14. Nd5 Qd8 15. c3 Re8 16. Qc4 Nxe4 17. Bxe4 Rxe4 18. Nxc7 Rb8 19. f3 Re7 20. Bf4 g5 21. Nd5 gxf4 22. Nxe7+ Qxe7 23. cxd4 Bh3 24. Re1 Qd6 25. g4 h5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.17"]
[Round "3"]
[White "Karpenko, Artem"]
[Black "Efimov, Ignat"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2370"]
[BlackElo "1000"]
[PlyCount "167"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nbd7 6. Qc2 c6 7. Qxc4 Bd6 8. 0-0 0-0 9. Rd1 Qe7 10. Nc3 e5 11. e4 Nb6 12. Qe2 Bg4 13. dxe5 Bxe5 14. h3 Bxf3 15. Bxf3 Rfe8 16. Re1 Rad8 17. Bg2 Nfd7 18. Be3 Nc5 19. Kh2 Nba4 20. Qc2 Nxc3 21. bxc3 Bc7 22. Rad1 h5 23. Rxd8 Rxd8 24. Bxc5 Qxc5 25. h4 g5 26. hxg5 h4 27. e5 hxg3+ 28. fxg3 Bxe5 29. Rf1 Qe3 30. Qf2 Qxf2 31. Rxf2 Bxc3 32. Kh3 Kg7 33. Kg4 Rd4+ 34. Kh5 Ra4 35. Bf3 Be1 36. Rg2 Ra3 37. Kg4 Bb4 38. Rb2 a5 39. Be4 Re3 40. Kf4 Rc3 41. Kg4 b5 42. Rc2 c5 43. Rf2 Re3 44. Bd5 Re7 45. Bc6 Be1 46. Rf5 c4 47. Bxb5 c3 48. Bd3 Re3 49. Bc2 Rxg3+ 50. Kh5 a4 51. Rf4 Bd2 52. Rg4 Re3 53. Rxa4 Re5 54. Kh4 Bxg5+ 55. Kg4 Re2 56. Bb3 Bd2 57. Kf3 Re3+ 58. Kf2 Re7 59. Bc2 Be1+ 60. Kf3 Bd2 61. Re4 Ra7 62. Bb3 f5 63. Re6 Rb7 64. Rc6 f4 65. Bc2 Kf8 66. Bb3 Re7 67. Rc8+ Kg7 68. a4 Kf6 69. Rc6+ Ke5 70. a5 Kd4 71. a6 Re3+ 72. Kg4 Rg3+ 73. Kf5 f3 74. a7 Rg5+ 75. Kf6 Ra5 76. Rc4+ Ke3 77. Ra4 Rxa4 78. Bxa4 c2 79. Bxc2 f2 80. a8Q f1Q+ 81. Kg6 Qg1+ 82. Kf7 Qf1+ 83. Kg6 Qg1+ 84. Kf7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.16"]
[Round "2"]
[White "Efimov, Ignat"]
[Black "Alieva, Alexandra"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1000"]
[BlackElo "2117"]
[PlyCount "63"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. Nc3 Qa5 9. e3 Ne5 10. Nb3 Qc7 11. c5 a6 12. Qe2 d6 13. cxd6 Qxd6 14. e4 Qd3 15. f4 Qxe2 16. Nxe2 Nd3 17. e5 Ng4 18. Be4 Nxc1 19. Raxc1 f6 20. Rc7 fxe5 21. Rxe7 exf4 22. Rxf4 Rd8 23. Bd5+ Kh8 24. Rff7 Nf6 25. Rxg7 Rxd5 26. Rgf7 Bh3 27. Nf4 Rd1+ 28. Kf2 Rc8 29. Rxf6 Rf1+ 30. Ke2 g5 31. Nd5 Rc2+ 32. Nd2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.15"]
[Round "1"]
[White "Tskhadadze, Anna"]
[Black "Efimov, Ignat"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "1952"]
[BlackElo "1000"]
[PlyCount "86"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Nf3 d5 4. b3 Be7 5. Bb2 0-0 6. Bg2 b6 7. 0-0 Bb7 8. d4 Nbd7 9. Nc3 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. Rc1 Rc8 13. Qd3 cxd4 14. Bxd4 Nc5 15. Bxc5 Bxc5 16. Rfd1 Qe7 17. Qa6 h6 18. Ne5 Rc7 19. Nd3 Bxg2 20. Kxg2 Rd8 21. Qb5 Rcd7 22. Rf1 Rd5 23. Qa4 Qb7 24. Kg1 b5 25. Qe4 Be7 26. Ne5 Bf6 27. Nd3 Qe7 28. Rc2 e5 29. Qb4 e4 30. Qxe7 Bxe7 31. Nf4 Rd2 32. Rfc1 Bg5 33. Nh3 Rxe2 34. Rxe2 Bxc1 35. Rxe4 Rd2 36. a4 Rb2 37. axb5 Rxb3 38. Ra4 g5 39. Kg2 Rxb5 40. Rxa7 Rb2 41. Re7 Rc2 42. Kf1 Ba3 43. Re2 Rxe2 1/2-1/2

