[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.29"]
[Round "9"]
[White "Efimov, Leonid"]
[Black "Khruschiov, Alexey"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2058"]
[BlackElo "2347"]
[PlyCount "92"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. Be3 Qb6 5. Rb1 d6 6. h3 Qc7 7. f4 Nf6 8. Nf3 0-0 9. Bd3 Na6 10. 0-0 Nb4 11. Be2 d5 12. e5 Ne4 13. Nxe4 dxe4 14. Ng5 f5 15. exf6 exf6 16. Nxe4 Re8 17. Bd2 Rxe4 18. Bxb4 Be6 19. Bf3 Rxf4 20. Be1 Qd7 21. c3 Bxa2 22. Ra1 Bf7 23. Bg3 Rf5 24. Re1 Rb5 25. Qd2 Qd8 26. b4 Bc4 27. Be2 Bxe2 28. Rxe2 Bf8 29. Rae1 Qd7 30. Re6 Qf7 31. Bd6 Bxd6 32. Rxd6 Rd5 33. Rde6 Rd7 34. Qe2 Rf8 35. Rf1 f5 36. g4 Qg7 37. gxf5 Rdf7 38. f6 Rxf6 39. Rfxf6 Rxf6 40. Re7 Rf7 41. Re8+ Rf8 42. Re7 Qf6 43. Rxb7 Qg5+ 44. Kh2 Qf4+ 45. Kg2 Qg5+ 46. Kh2 Qf4+ 1/2-1/2

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.28"]
[Round "8"]
[White "Yagupov, Igor"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2290"]
[BlackElo "2058"]
[PlyCount "79"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qb6 12. exf6 Bb7 13. Bg2 0-0-0 14. 0-0 c5 15. d5 b4 16. Na4 Qb5 17. a3 Ne5 18. Qe2 Bd6 19. axb4 cxb4 20. dxe6 Bxg2 21. Kxg2 Qd5+ 22. f3 Qxe6 23. h4 Qd5 24. Qe3 Nc6 25. Qxa7 Nxa7 26. Nb6+ Kb8 27. Nxd5 Bxg3 28. Nxb4 Bxh4 29. Rxa7 Kxa7 30. Nc6+ Kb6 31. Nxd8 Bxg5 32. Nxf7 Rg8 33. Nxg5 Rxg5+ 34. Kh3 Rf5 35. f4 Rxf6 36. f5 Kc5 37. Kg4 Kd6 38. Re1 Rf8 39. Re2 Rg8+ 40. Kh5 1-0

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.27"]
[Round "7"]
[White "Efimov, Leonid"]
[Black "Pshmahov, Osman"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2058"]
[BlackElo "2243"]
[PlyCount "159"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 c6 6. Bg2 0-0 7. 0-0 d6 8. Nbd2 Qc7 9. Re1 Ne4 10. c4 Na6 11. Rc1 e6 12. a3 Qe7 13. b4 Nc7 14. Qc2 Nxd2 15. Qxd2 e5 16. e4 f4 17. c5 dxc5 18. d5 fxg3 19. hxg3 Rd8 20. bxc5 cxd5 21. exd5 Rxd5 22. Qb4 Na6 23. Qc4 Be6 24. Ng5 Rad8 25. Nxe6 Qxe6 26. Bxd5 Rxd5 27. Rcd1 Rd6 28. Qxe6+ Rxe6 29. Rd8+ Kf7 30. Rd7+ Kg8 31. Rxb7 Nxc5 32. Rxa7 Nd3 33. Re2 Bf8 34. Ra5 Bc5 35. Kg2 e4 36. Ra4 h5 37. Bd4 Bf8 38. Ra8 h4 39. a4 Kf7 40. a5 hxg3 41. fxg3 Bc5 42. Bxc5 Nxc5 43. Rc2 e3 44. Kf1 Nb3 45. Rc7+ Kf6 46. Rf8+ Kg5 47. Rf4 Ra6 48. Rc3 Nd2+ 49. Ke1 Rxa5 50. Rxe3 Nb1 51. Rb4 Na3 52. Kd2 Kf6 53. Reb3 Ke5 54. Rg4 Kf5 55. Rf4+ Ke5 56. Kc3 g5 57. Rf3 Ra8 58. g4 Rc8+ 59. Kd3 Rd8+ 60. Ke2 Nc2 61. Kf2 Rd2+ 62. Kg3 Nd4 63. Rbe3+ Kd5 64. Rd3 Rc2 65. Rf5+ Ke4 66. Rxd4+ Kxd4 67. Rxg5 Ke4 68. Ra5 Rc8 69. g5 Rc1 70. Kg4 Rg1+ 71. Kh5 Kf4 72. Kh6 Rh1+ 73. Kg7 Rh5 74. Kf6 Ke4 75. Ra4+ Kd5 76. g6 Rh1 77. g7 Rg1 78. Rf4 Kd6 79. Kf7 Ke5 80. Rf2 1-0

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.26"]
[Round "6"]
[White "Khudyakov, Stanislav"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "2238"]
[BlackElo "2058"]
[PlyCount "25"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. 0-0 Bg7 8. Be3 0-0 9. Qd2 d5 10. exd5 Nxd5 11. Nxd5 Nxd4 12. c4 Nf5 13. Rfd1 1/2-1/2

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.25"]
[Round "4"]
[White "Hovakimyan, Vache"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2121"]
[BlackElo "2058"]
[PlyCount "62"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bb2 Qe7 11. Rfe1 Rfe8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qe3 c5 16. Ne5 Rac8 17. Rad1 cxd4 18. Bxd4 Bb4 19. Rf1 Red8 20. Bf3 Qc7 21. Rd3 Bxf3 22. Nxf3 Bc5 23. Rfd1 Bxd4 24. Rxd4 Kf8 25. Ne5 Rxd4 26. Qxd4 Qc5 27. g3 Ke7 28. b4 Qxd4 29. Rxd4 a6 30. a4 Rc7 31. f4 Nd7 1/2-1/2

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.24"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Zhukov, Anton"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2058"]
[BlackElo "2308"]
[PlyCount "95"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Re1 a6 11. a4 Nbd7 12. Bf4 Ng4 13. a5 Nge5 14. Qc2 Nxf3+ 15. exf3 Ne5 16. Ne4 Bf5 17. Bd2 b5 18. axb6 Qxb6 19. Ba5 Qb5 20. Bc3 Qd3 21. Qa4 Bxe4 22. Rxe4 Reb8 23. Re3 Qb5 24. Qh4 Nc4 25. Re7 Bxc3 26. bxc3 Qb2 27. Rae1 Ne5 28. Qf6 Rf8 29. Re3 Qc1+ 30. Bf1 Rab8 31. R7xe5 dxe5 32. Qxa6 Rb1 33. Kg2 Rb2 34. Be2 Rc2 35. Qc4 Qe1 36. Qd3 Rd2 37. Qc4 Re8 38. Qb5 Rd8 39. Rxe5 R2xd5 40. Re7 Rd2 41. Qc4 Rf8 42. f4 Rc2 43. Re3 Qd2 44. Qxc5 Rd8 45. f5 Qd5+ 46. Qxd5 Rxd5 47. fxg6 hxg6 48. h4 1/2-1/2

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.24"]
[Round "3"]
[White "Vlasenko, Miroslav"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2362"]
[BlackElo "2058"]
[PlyCount "108"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Bg4 6. c3 e6 7. Qb3 Qc8 8. h3 Bf5 9. Nh4 Be4 10. Nxe4 dxe4 11. g4 Be7 12. Bg3 g5 13. Ng2 h5 14. gxh5 Nxh5 15. Be5 f6 16. Bh2 Ng7 17. d5 exd5 18. Qxd5 Qf5 19. Bc4 Qxd5 20. Bxd5 Rxh3 21. Bxc6+ bxc6 22. 0-0-0 Nf5 23. Bc7 Rxh1 24. Rxh1 Kd7 25. Ba5 Nd6 26. Rh7 Rc8 27. c4 Nxc4 28. Bc3 Ke6 29. Ne1 Rd8 30. Nc2 Rd3 31. Rh8 Rd8 32. Rh7 Nb6 33. b3 Rg8 34. Na3 f5 35. Rh6+ Kd7 36. Bd2 Rf8 37. Nc4 Nxc4 38. bxc4 Rf7 39. Rh8 Bf6 40. Rh5 Bd8 41. Kc2 f4 42. Rh6 f3 43. Bc3 g4 44. Be5 Bg5 45. Rd6+ Ke7 46. Kd2 Bh4 47. Ke1 Rf5 48. Bh2 g3 49. Rh6 gxf2+ 50. Kf1 Bg5 51. Rh7+ Rf7 52. Bd6+ Kxd6 53. Rxf7 Bxe3 54. Rxa7 Ke6 1/2-1/2

[Event "Moscow-ch op Superfinal"]
[Site "Ershovo"]
[Date "2024.02.23"]
[Round "1"]
[White "Efimov, Leonid"]
[Black "Popov, Konstantin"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2058"]
[BlackElo "2364"]
[PlyCount "78"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. 0-0 Nbd7 5. d3 c6 6. h3 Bh5 7. Qe1 e5 8. e4 dxe4 9. dxe4 Bc5 10. a4 a5 11. Na3 0-0 12. Nc4 Re8 13. Nh4 Qc7 14. Bd2 b6 15. Bc3 Nf8 16. Nf5 N6d7 17. Kh1 f6 18. f3 Bf7 19. Qe2 Ne6 20. Rfd1 Nd4 21. Bxd4 exd4 22. f4 Rad8 23. Qg4 Bg6 24. Nxd4 Bxd4 25. Rxd4 Ne5 26. Nxe5 Rxd4 27. Nxg6 hxg6 28. Qxg6 Qf7 29. Qg4 Qe6 30. Qh5 Red8 31. e5 fxe5 32. Re1 e4 33. b3 e3 34. Qf3 Re8 35. Qxc6 Qxc6 36. Bxc6 Rc8 37. Bf3 Rxc2 38. Rxe3 Rdd2 39. Kg1 Rc1+ 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.29"]
[Round "9"]
[White "Efimov, Leonid"]
[Black "Aleksandrov, Aleksej"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2080"]
[BlackElo "2447"]
[PlyCount "110"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 dxc4 7. a3 Bxd2+ 8. Bxd2 Nc6 9. e3 Nd5 10. 0-0 b5 11. Qc2 Bd7 12. b3 cxb3 13. Qxb3 a5 14. Rfd1 a4 15. Qd3 Na5 16. e4 Nb6 17. e5 h6 18. Bb4 Re8 19. Nd2 Nd5 20. Rac1 Ra6 21. Rc5 Nb7 22. Rc2 Bc6 23. Rdc1 Nxb4 24. axb4 Bxg2 25. Kxg2 Qd5+ 26. Qe4 Qxe4+ 27. Nxe4 Rd8 28. Rxc7 Rxd4 29. f3 Nd8 30. Rc8 a3 31. Nd6 a2 32. Ra1 Rxb4 33. Rxd8+ Kh7 34. Nxb5 Rb1 35. Rd1 Rxd1 36. Rxd1 a1Q 37. Rxa1 Rxa1 38. Nd6 Ra2+ 39. Kh3 Kg8 40. f4 Kf8 41. Nb5 Ke7 42. Nd4 Rf2 43. Nc6+ Kd7 44. Nd4 h5 45. Nb5 f6 46. exf6 gxf6 47. Nc3 Rc2 48. Nd1 Kc6 49. Ne3 Re2 50. Ng2 Kd5 51. Nh4 Ke4 52. Ng6 e5 53. fxe5 fxe5 54. Ne7 Rf2 55. Ng6 Kd4 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.28"]
[Round "8"]
[White "Vlasenko, Miroslav"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2371"]
[BlackElo "2080"]
[PlyCount "84"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Bg4 6. c3 e6 7. Qa4 Bxf3 8. Nxf3 a6 9. Ne5 Rc8 10. Be2 c4 11. 0-0 Be7 12. b3 Qa5 13. Qxa5 Nxa5 14. b4 Nc6 15. Bf3 Rg8 16. h3 g5 17. Bh2 h5 18. Bd1 g4 19. hxg4 hxg4 20. Nxc6 Rxc6 21. Ba4 b5 22. Bc2 Nh5 23. e4 Bg5 24. a4 g3 25. fxg3 Be3+ 26. Kh1 e5 27. Rf3 exd4 28. axb5 Rh6 29. Rxa6 d3 30. Ba4 Bb6 31. exd5 Rg4 32. Rxb6 Rxb6 33. Re3+ Kd7 34. Bd1 Nf6 35. Bg1 Rb8 36. Bf2 Rg5 37. d6 Kxd6 38. Rf3 Ne4 39. Bd4 Ra8 40. Kh2 Rh5+ 41. Kg1 Ra1 42. Rf1 Rxb5 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.27"]
[Round "7"]
[White "Efimov, Leonid"]
[Black "Protasov, Nikolay1"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2080"]
[BlackElo "1514"]
[PlyCount "85"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Na6 7. h4 e5 8. d5 Nc5 9. Qc2 a5 10. h5 gxh5 11. Bxh5 Nxh5 12. Rxh5 Qe8 13. Rg5 Kh8 14. Nge2 Bh6 15. Rxe5 dxe5 16. Bxh6 Rg8 17. Ng3 f5 18. exf5 Rxg3 19. fxg3 Qh5 20. Qd2 Bxf5 21. Qg5 Nd3+ 22. Kd2 Qxg5+ 23. Bxg5 Nxb2 24. c5 Nc4+ 25. Ke2 Kg7 26. Rf1 Kg6 27. Be7 Bg4+ 28. Kd3 Re8 29. Bh4 Nb2+ 30. Ke4 Nc4 31. Rf2 b6 32. Kd3 Na3 33. cxb6 cxb6 34. Ne4 Rc8 35. Rf6+ Kg7 36. Rxb6 Nc2 37. Bf6+ Kf8 38. Nd6 Nb4+ 39. Ke4 Ra8 40. Kxe5 Nxa2 41. Rb7 h5 42. Rh7 Bh3 43. Rh8# 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.26"]
[Round "6"]
[White "Moiseeva, Olesya"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "B65"]
[WhiteElo "1843"]
[BlackElo "2080"]
[PlyCount "110"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 Be7 8. Qd2 Nxd4 9. Qxd4 0-0 10. 0-0-0 Qa5 11. Qd3 Rb8 12. Bxf6 Bxf6 13. Qxd6 Ra8 14. e5 Rd8 15. Qa3 Rxd1+ 16. Nxd1 Qxa3 17. bxa3 Be7 18. Kb2 b6 19. g4 Bb7 20. Rg1 g5 21. Bg2 Bxg2 22. Rxg2 gxf4 23. Rf2 Rd8 24. Nc3 Rd4 25. h3 f6 26. Ne2 Re4 27. Nxf4 Rxe5 28. a4 Re3 29. c3 Kf7 30. Re2 Rf3 31. Nxe6 Rxh3 32. Nd4 Bc5 33. Re4 Rh4 34. Nf5 Rh1 35. Kb3 Rb1+ 36. Kc2 Ra1 37. Kb2 Rd1 38. Kb3 Rb1+ 39. Kc2 Ra1 40. Kb2 Rf1 41. Kb3 Kg6 42. a5 bxa5 43. Kc4 Bb6 44. Kd5 Rd1+ 45. Nd4 Rd2 46. a4 h5 47. gxh5+ Kxh5 48. Ke6 Rf2 49. c4 Kg5 50. Kd6 Rd2 51. c5 f5 52. cxb6 axb6 53. Re5 Rxd4+ 54. Kc6 Rxa4 55. Kxb6 Kg4 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.25"]
[Round "5"]
[White "Efimov, Leonid"]
[Black "Antipov, Fedor"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2080"]
[BlackElo "1959"]
[PlyCount "119"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 Qd8 12. a3 a5 13. Re1 0-0 14. Rb1 Re8 15. Qc2 a4 16. Rbc1 Ra5 17. b4 axb3 18. Nxb3 Rxa3 19. Nfxd4 Nxd4 20. Nxd4 Bb4 21. Nb5 Rxd3 22. Red1 Rxd1+ 23. Rxd1 Qe7 24. Na7 Bc5 25. Nxc8 Rxc8 26. Qb2 b6 27. Qe5 Qa7 28. Ra1 Qd7 29. Qe2 Qd8 30. Bb7 Rb8 31. Be4 Qf6 32. Ra2 Rd8 33. Kg2 Qd4 34. Ra8 Rxa8 35. Bxa8 g6 36. Be4 Kg7 37. h4 f5 38. Bb7 Kf6 39. f4 Kf7 40. Kh3 Bd6 41. Bc8 e5 42. fxe5 Bxe5 43. h5 Qc3 44. hxg6+ Kxg6 45. Qf2 f4 46. Kg2 Qxg3+ 47. Qxg3+ fxg3 48. Bd7 Kg5 49. Bc8 h5 50. Be6 Kf4 51. Bf7 h4 52. Be6 Ke3 53. Bc8 Kd4 54. Be6 Ke4 55. Bd5+ Kd3 56. Be6 Kd4 57. Bg8 Ke4 58. Bd5+ Ke3 59. Be6 Kd4 60. Bg8 1/2-1/2

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.24"]
[Round "4"]
[White "Khafizova, Diana"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1909"]
[BlackElo "2080"]
[PlyCount "154"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. 0-0 dxc4 8. Bxb4 axb4 9. Ne5 Nc6 10. Nxc6 bxc6 11. Bxc6 Rb8 12. a3 Qd6 13. Bf3 Rd8 14. e3 c3 15. bxc3 b3 16. a4 Ba6 17. Be2 Bb7 18. Qxb3 Bg2 19. Qa3 Bxf1 20. Qxd6 cxd6 21. Kxf1 Ne4 22. Bd3 Nxc3 23. Nxc3 Rb3 24. Bxh7+ Kxh7 25. Ne4 Kg6 26. a5 Kf5 27. Nd2 Rb4 28. a6 Ra8 29. Ra5+ Kf6 30. Ne4+ Ke7 31. Nc3 Rb6 32. a7 Rb7 33. Nb5 d5 34. Kg2 Kd7 35. h4 Kc6 36. Nc3 Raxa7 37. Rc5+ Kd7 38. e4 dxe4 39. Nxe4 Rb4 40. Ng5 f6 41. Nf3 Ra2 42. Rc1 Kd6 43. g4 Rbb2 44. Rf1 Kd5 45. g5 Ke4 46. Kg3 Re2 47. gxf6 gxf6 48. Ng1 Red2 49. h5 Rxd4 50. Re1+ Kf5 51. Ne2 Re4 52. Kf3 Ra3+ 53. Kg2 Kg5 54. Rg1 Rg4+ 55. Ng3 f5 56. Kh1 Rh4+ 57. Kg2 f4 58. Ne4+ Kxh5 59. Re1 Kg4 60. f3+ Rxf3 61. Nf6+ Kf5 62. Kxf3 Kxf6 63. Ke4 e5 64. Ra1 Rh3 65. Ra6+ Kg5 66. Kxe5 Re3+ 67. Kd4 Kg4 68. Rg6+ Kf3 69. Rh6 Re7 70. Rd6 Kg2 71. Rg6+ Kf2 72. Kd3 f3 73. Rd6 Ke1 74. Ra6 Kf1 75. Ra5 f2 76. Ra8 Rg7 77. Ra2 Kg1 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.23"]
[Round "3"]
[White "Efimov, Leonid"]
[Black "Shishkin, Vladislav"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2080"]
[BlackElo "1713"]
[PlyCount "65"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. Qc2 dxc4 7. Qxc4 c6 8. 0-0 b5 9. Qb3 Nbd7 10. Rd1 Qb6 11. Nc3 Bb7 12. Be3 Ng4 13. Bf4 a6 14. h3 Ngf6 15. Ne5 c5 16. Nxd7 Nxd7 17. d5 c4 18. Qc2 Bc5 19. Ne4 exd5 20. Nxc5 Nxc5 21. Bxd5 Rad8 22. Bxb7 Nxb7 23. b3 Qe6 24. bxc4 Rc8 25. Qb2 Rxc4 26. h4 Rxf4 27. gxf4 Qg4+ 28. Kf1 Qh3+ 29. Kg1 Qg4+ 30. Kf1 Qh3+ 31. Kg1 Qg4+ 32. Kf1 Qh3+ 33. Kg1 1/2-1/2

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.22"]
[Round "2"]
[White "Sadykhov, Ali"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1744"]
[BlackElo "2080"]
[PlyCount "73"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 e6 7. Nf3 Be7 8. 0-0 0-0 9. Qe2 Nc6 10. Nc3 Nxc3 11. bxc3 dxe5 12. dxe5 b6 13. Qe4 Qc7 14. Bd3 g6 15. Bh6 Rd8 16. Rad1 Bb7 17. Qf4 Rd5 18. c4 Rd7 19. h4 Rad8 20. Be2 a5 21. Rxd7 Rxd7 22. Rd1 Bc8 23. h5 Rxd1+ 24. Bxd1 Nb4 25. Ng5 Bd8 26. Ne4 Nc6 27. Ba4 Nxe5 28. Nf6+ Kh8 29. Bg7+ Kxg7 30. Ne8+ Kf8 31. Nxc7 Bxc7 32. h6 f5 33. Qd4 Ke7 34. c5 Bd7 35. cxb6 Bxb6 36. Qxb6 Bxa4 37. Qxa5 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.21"]
[Round "1"]
[White "Efimov, Leonid"]
[Black "Shepel, Ivan"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2080"]
[BlackElo "1579"]
[PlyCount "71"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 Ne8 8. g4 a5 9. h4 h6 10. Qd2 Kh7 11. Nh3 Na6 12. 0-0-0 Nc5 13. Rdg1 f6 14. g5 h5 15. gxf6 Nxf6 16. Ng5+ Kh8 17. Rg3 b6 18. Rhg1 Qe8 19. f3 a4 20. Nb5 Na6 21. Bf1 Nh7 22. Nxh7 Kxh7 23. Rxg6 Qxg6 24. Rxg6 Kxg6 25. Qg2+ Kh7 26. Qg5 Bg4 27. Be2 Bd7 28. Qxh5+ Kg8 29. a3 Bxb5 30. cxb5 Nc5 31. Bf1 Rf7 32. Bh3 Nd3+ 33. Kb1 Nf4 34. Bxf4 Rxf4 35. Be6+ Kf8 36. Qh7 1-0

[Event "RUS-chT Blitz"]
[Site "Sochi"]
[Date "2023.10.17"]
[Round "1.26"]
[White "Smirnov, Pavel"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2538"]
[BlackElo "2080"]
[PlyCount "171"]
[EventDate "2023.10.17"]
[EventType "team-swiss (blitz)"]
[EventRounds "13"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]
[WhiteTeam "Moscow Region Kuban"]
[BlackTeam "Naberezhnye Chelny Saturn"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. cxd4 e6 7. Bc4 Be7 8. 0-0 0-0 9. Qe2 Nc6 10. Rd1 Qc7 11. Bxd5 exd5 12. Nc3 Qa5 13. Bf4 dxe5 14. Nxe5 Be6 15. Nxc6 bxc6 16. Rac1 Rac8 17. h3 Rfe8 18. Qc2 c5 19. Be3 c4 20. Re1 h6 21. Re2 Bf6 22. Rce1 Red8 23. Qd2 Rb8 24. Bf4 Rb7 25. Be5 Bxe5 26. Rxe5 Rdb8 27. Rb1 Qd8 28. Qe2 Qd7 29. g4 Rb6 30. f4 f6 31. Re3 R8b7 32. f5 Bf7 33. Qf2 a5 34. Re2 Qd6 35. Kg2 Re7 36. Rbe1 Rxe2 37. Rxe2 Rb7 38. Qe3 Qb6 39. Na4 Qd6 40. Nc5 Rb8 41. Qg3 Qd8 42. h4 Rb6 43. Qf4 Qb8 44. Qxb8+ Rxb8 45. Na4 Kf8 46. Nc3 Rb7 47. Kg3 Rb8 48. Kf4 Rb7 49. g5 hxg5+ 50. hxg5 fxg5+ 51. Kxg5 Rb6 52. Rh2 Kg8 53. Kf4 Rb8 54. Rg2 Kf8 55. Rh2 Rb6 56. Ke5 g6 57. fxg6 Rxg6 58. Rf2 Kg7 59. Kf4 Rf6+ 60. Ke3 Re6+ 61. Kd2 Rb6 62. Kc1 Rf6 63. Rxf6 Kxf6 64. Kd2 Ke6 65. Ke3 Be8 66. Kf4 Bg6 67. Kg5 Bd3 68. Na4 Bb1 69. a3 Kd6 70. Kf6 Be4 71. Nc3 Bg2 72. Kf7 Bf3 73. Ke8 Bg4 74. Kd8 Bf5 75. Nb5+ Kc6 76. a4 Bc2 77. Nc3 Bf5 78. Ke7 Bh3 79. Kf6 Kd6 80. Nb5+ Kc6 81. Ke5 Bg2 82. Nc3 Bf3 83. Ke6 Bg2 84. Ke7 Bf3 85. Kd8 Bg4 86. Nb5 1/2-1/2

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Turov, Maxim"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2080"]
[BlackElo "2552"]
[PlyCount "78"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 e5 8. e3 Bxd2 9. Qxd2 0-0 10. Nc3 Re8 11. d5 Nb4 12. Ne1 e4 13. a3 Na6 14. b4 Bf5 15. Nc2 Qd7 16. Rfb1 Bh3 17. Bh1 Qf5 18. Nd4 Qh5 19. Nce2 g5 20. Nc3 Bd7 21. f3 exf3 22. Bxf3 Bg4 23. Bg2 Re5 24. Rf1 Qg6 25. h3 Bd7 26. g4 h5 27. gxh5 Nxh5 28. e4 axb4 29. axb4 Nf4 30. Rxf4 gxf4 31. Qxf4 Bxh3 32. Qh2 Bxg2 33. Nf5 Bxe4+ 34. Ng3 Rae8 35. Ncxe4 Rxe4 36. Qf2 Rg4 37. Kg2 Nxb4 38. Ra3 Nd3 39. Qf3 Ne1+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.24"]
[Round "9"]
[White "Bychkov, Vladimir"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2225"]
[BlackElo "1993"]
[PlyCount "72"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Be2 0-0 6. 0-0 c5 7. Qc1 Nc6 8. Ne5 Qd6 9. Nxc6 Qxc6 10. c4 dxc4 11. bxc4 Qc7 12. Nc3 Rd8 13. Nb5 Qd7 14. d4 a6 15. Nc3 cxd4 16. exd4 Qc7 17. h3 Rxd4 18. Nb5 axb5 19. Bxd4 Ng4 20. Bxg4 Bxd4 21. cxb5 Qb6 22. Rb1 Bxg4 23. hxg4 Rxa2 24. Qf4 e5 25. Qf3 h6 26. Qg3 Qc5 27. Qf3 b6 28. Rbc1 Qxb5 29. Rc7 Qe8 30. Qb7 Qe6 31. Qb8+ Kg7 32. Rc8 Qf6 33. g5 hxg5 34. Rh8 Qe7 35. Rh3 Kf6 36. Rf3+ Kg7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.23"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Isanzhulov, Arystan"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1993"]
[BlackElo "2435"]
[PlyCount "80"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Re1 h6 11. Bf4 g5 12. Bd2 Bf5 13. h4 g4 14. Nh2 h5 15. e4 Bg6 16. Bf4 a6 17. a4 Qc7 18. Nf1 Nbd7 19. Nd2 Nh7 20. Nc4 Ne5 21. Ne3 c4 22. a5 Nd3 23. Bxd6 Qxd6 24. Nxc4 Nxb2 25. Nxd6 Nxd1 26. Raxd1 Bxc3 27. Re3 Bxa5 28. Nxb7 Bb6 29. Rb3 Bd8 30. d6 Nf8 31. d7 Re7 32. Nc5 Ne6 33. Nxe6 Rxe6 34. Rc3 Rb8 35. Rc8 Reb6 36. Rdc1 Kf8 37. Rxb8 Rxb8 38. Rc8 Rb1+ 39. Kh2 Ke7 40. Ra8 a5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.22"]
[Round "7"]
[White "Bondarenko, Ivan"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2144"]
[BlackElo "1993"]
[PlyCount "36"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 dxc4 8. g5 Nd5 9. Bxc4 b5 10. Be2 Nxc3 11. Qxc3 Bb7 12. d5 0-0 13. dxe6 fxe6 14. e4 c5 15. Qc2 c4 16. Nd4 Qb6 17. Be3 Bb4+ 18. Kd1 Bc5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "5"]
[White "Afonasieva, Anna"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2153"]
[BlackElo "1993"]
[PlyCount "72"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. d3 Nf6 4. Nf3 Bg4 5. Nbd2 Nbd7 6. 0-0 e5 7. e4 Bd6 8. h3 Bh5 9. exd5 cxd5 10. Re1 0-0 11. g4 Bg6 12. a4 Rc8 13. Nf1 Bb8 14. Nh4 Nc5 15. Nxg6 hxg6 16. Bd2 Ne6 17. c3 Re8 18. Qb3 Nc5 19. Qc2 a5 20. Ng3 Qd7 21. b3 Ne6 22. Qb2 g5 23. c4 Nf4 24. Bxf4 gxf4 25. Nf5 e4 26. dxe4 dxe4 27. Rxe4 Rxe4 28. Bxe4 Re8 29. Bd5 Be5 30. Qb1 Nxd5 31. cxd5 g6 32. Nh6+ Kg7 33. g5 Qxh3 34. Qf1 Qh4 35. f3 Qxg5+ 36. Ng4 f5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Vorobiov, Evgeny E"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1993"]
[BlackElo "2411"]
[PlyCount "80"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 c5 5. c4 Nc6 6. Bg2 d6 7. d4 cxd4 8. Nxd4 Bd7 9. Nc3 0-0 10. 0-0 Nxd4 11. Qxd4 Bc6 12. Nd5 Bxd5 13. Bxd5 Nh5 14. Qd2 Bxb2 15. Qxb2 Qc7 16. Rfd1 Rac8 17. Rac1 b6 18. h4 Nf6 19. Qd2 a5 20. Bf3 Qc5 21. Qh6 Qf5 22. Qe3 Qe6 23. Qxb6 Rc5 24. Rd3 Rfc8 25. Rcd1 Kg7 26. R1d2 R8c7 27. Qb8 Rc8 28. Qb7 R8c7 29. Qa8 Rc8 30. Qa7 R8c7 31. Qa6 h5 32. Bg2 Qe5 33. Bf3 Qe6 34. Bg2 Qe5 35. Bf3 Qe6 36. Bg2 Qe5 37. Bf3 Qe6 38. Bg2 Qe5 39. Bf3 Qe6 40. Bg2 Qe5 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.20"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Nikishin, Igor"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1993"]
[BlackElo "1609"]
[PlyCount "91"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 11. bxc4 e5 12. Ne2 Bd6 13. Qc2 Qe7 14. Bb2 Rfe8 15. Nd2 Ba3 16. f4 Bxb2 17. Qxb2 exd4 18. Nxd4 Bb7 19. e5 Ng4 20. Ne4 Ne3 21. Nd6 Nxf1 22. Rxf1 Nc5 23. Nxb7 Nxb7 24. Bxc6 Red8 25. Kh1 Rab8 26. Bd5 Na5 27. Nf5 Qf8 28. a4 Kh8 29. h4 Rbc8 30. Qe2 Nc6 31. Nd6 Rxd6 32. exd6 Qxd6 33. Bxf7 Qf6 34. Bd5 Ne7 35. Qe6 Qxe6 36. Bxe6 Rd8 37. f5 Nc6 38. Kg2 Rd2+ 39. Rf2 Rd1 40. Bd5 Nb4 41. g4 h6 42. g5 hxg5 43. hxg5 Nd3 44. Rf3 Rd2+ 45. Kf1 Rd1+ 46. Ke2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "3"]
[White "Dudkin, Mikhail Dm"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1648"]
[BlackElo "1993"]
[PlyCount "58"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e3 b5 8. a4 Qb6 9. Bxf6 gxf6 10. axb5 cxb5 11. b3 Bb4 12. Qc2 cxb3 13. Qxb3 a5 14. Nd2 Ba6 15. Be2 Nd7 16. Rc1 Rc8 17. Ndb1 Bxc3+ 18. Nxc3 b4 19. Na2 Ke7 20. Bxa6 Qxa6 21. f3 Rxc1+ 22. Nxc1 Rc8 23. Kf2 Rc3 24. Qd1 Qc4 25. Re1 b3 26. Ne2 Rc2 27. Qa1 b2 28. Qb1 a4 29. d5 a3 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Tsaruk, Maksim"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1993"]
[BlackElo "2406"]
[PlyCount "76"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. c4 e6 6. e3 Nge7 7. Nc3 0-0 8. d4 cxd4 9. exd4 d5 10. cxd5 exd5 11. Re1 Be6 12. Bg5 Re8 13. Qd2 Qa5 14. a3 Nf5 15. b4 Qc7 16. Rac1 Qb6 17. Na4 Qa6 18. Nc5 Qxa3 19. Rb1 a5 20. Rb3 axb4 21. Rxa3 bxa3 22. Nd3 Ra4 23. Be3 a2 24. Ra1 Rea8 25. Nc1 Ncxd4 26. Nxd4 Bxd4 27. Rxa2 Rxa2 28. Nxa2 Bxe3 29. fxe3 d4 30. Nc1 dxe3 31. Qb2 Rd8 32. Bf3 h5 33. Qxb7 Nd4 34. Qe4 Nf5 35. Qe5 Bc4 36. Bxh5 gxh5 37. Qxf5 Rd1+ 38. Kg2 Bd5+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.18"]
[Round "1"]
[White "Rakhlina, Kristina"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1431"]
[BlackElo "1993"]
[PlyCount "92"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. Nge2 Bg7 5. g3 e6 6. Bg2 Nge7 7. 0-0 d6 8. d3 0-0 9. Bg5 Rb8 10. Qd2 Nd4 11. Nxd4 cxd4 12. Ne2 b5 13. Rab1 bxc4 14. dxc4 f6 15. Bh6 Bxh6 16. Qxh6 e5 17. Qd2 Be6 18. Rfc1 a5 19. b3 Qb6 20. h3 Kg7 21. Kh2 Nc6 22. g4 Qc5 23. Ng3 Rf7 24. f4 exf4 25. Qxf4 Qe5 26. Qf3 Rfb7 27. Kh1 a4 28. Nf1 axb3 29. axb3 Rh8 30. Ng3 Ra8 31. Rb2 Ra3 32. Nf1 d3 33. Rcb1 Bxc4 34. Nd2 Ba6 35. Bf1 Nd4 36. Qe3 Nc2 37. Qf3 Qc3 38. Qf2 Qd4 39. Qg3 Ne3 40. Qf2 Qa7 41. Qf3 Re7 42. Bg2 Nxg2 43. Kxg2 Qd4 44. b4 Bb7 45. Rb3 Ra2 46. Qf4 Rxe4 0-1

[Event "Moscow op-A 19th"]
[Site "Moscow"]
[Date "2023.07.18"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Zakaryan, David"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2029"]
[BlackElo "2310"]
[PlyCount "71"]
[EventDate "2023.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 c5 5. Nf3 Nc6 6. Be3 Nge7 7. Na3 Nf5 8. dxc5 Nxe3 9. Qxd8+ Kxd8 10. fxe3 Bxc5 11. Nxc4 Ke7 12. Rd1 f6 13. Nd4 Bd7 14. Nxc6+ bxc6 15. Kf2 a5 16. Rd3 Rhb8 17. Rc1 Ra6 18. b3 Ba7 19. Be4 g6 20. Rcd1 Be8 21. Nd6 f5 22. Bg2 Kf6 23. Nxe8+ Rxe8 24. Rd7 Re7 25. R1d6 Bc5 26. Rxc6 Rxc6 27. Bxc6 Rxd7 28. Bxd7 g5 29. h3 e5 30. g4 f4 31. Kf3 Bxe3 32. Ke4 Bc5 33. Bc8 Ba3 34. Bd7 Bc5 35. Bc8 Ba3 36. Bd7 1/2-1/2

[Event "Voronezh op"]
[Site "Voronezh"]
[Date "2023.06.17"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Popov, Maksim1111"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2171"]
[BlackElo "2332"]
[PlyCount "74"]
[EventDate "2023.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Re1 a6 11. a4 Nbd7 12. e4 Ng4 13. Bg5 Qb6 14. Re2 Nde5 15. Ne1 Nc4 16. Nd3 Bd4 17. a5 Qa7 18. Qa4 Re5 19. Nxe5 Ngxe5 20. Qc2 Bg4 21. Ree1 b5 22. axb6 Qxb6 23. Rab1 Rb8 24. h3 Bxh3 25. Bxh3 Nf3+ 26. Kg2 Nxg5 27. Ne2 Bxf2 28. Qxc4 Bxe1 29. Rxe1 Qxb2 30. Qc1 Nxe4 31. Qxb2 Rxb2 32. Bc8 a5 33. Kf3 Nd2+ 34. Ke3 Nc4+ 35. Kd3 Nb6 36. Bb7 c4+ 37. Kc3 Na4+ 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.30"]
[Round "9"]
[White "Makshanov, Matvey"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1639"]
[BlackElo "1984"]
[PlyCount "116"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. b3 Nc6 10. Bb2 0-0 11. 0-0 Rfd8 12. Re1 e6 13. Rc1 Rac8 14. Nxc6 bxc6 15. Qf3 Qc7 16. Rcd1 Nd7 17. Qg3 Ne5 18. Na4 c5 19. Qc3 g5 20. Qg3 Qe7 21. b4 Nc6 22. Bxg7 Kxg7 23. e5 dxe5 24. Rxd8 Rxd8 25. Nxc5 f6 26. h4 h6 27. Qg4 Nd4 28. hxg5 hxg5 29. f4 exf4 30. Nxe6+ Nxe6 31. Qxe6 Qxb4 32. Qe7+ Qxe7 33. Rxe7+ Kg6 34. Rxa7 Rd1+ 35. Kf2 Rc1 36. Ra4 Kf5 37. a3 Rc2+ 38. Kf1 g4 39. Rb4 f3 40. gxf3 gxf3 41. c5 Rxc5 42. Kf2 Rc3 43. a4 Ra3 44. Rb5+ Kg4 45. Rb4+ Kg5 46. Rb5+ f5 47. Kg3 Rxa4 48. Rb3 Rh4 49. Rxf3 f4+ 50. Kg2 Kg4 51. Ra3 Rh7 52. Kf2 Rh2+ 53. Kg1 Rb2 54. Ra8 Kg3 55. Ra3+ f3 56. Ra1 Rg2+ 57. Kf1 Rh2 58. Kg1 f2+ 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.29"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Mineev, Sergey I"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1984"]
[BlackElo "1718"]
[PlyCount "68"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 b5 5. a4 b4 6. c4 c6 7. b3 Be7 8. Bb2 a5 9. d3 0-0 10. Nbd2 Nbd7 11. e4 Nc5 12. e5 Ne8 13. Ne1 Ba6 14. Qc2 f5 15. exf6 Nxf6 16. d4 Nb7 17. Nd3 Bd6 18. Rae1 Qd7 19. Nf3 Nd8 20. Nfe5 Qc7 21. c5 Bxe5 22. Rxe5 Qf7 23. Qd1 Ra7 24. f3 Re7 25. Rfe1 Ng4 26. R5e2 Qf5 27. Rd2 Nh6 28. Nf4 Qf7 29. Re5 Qe8 30. Qe1 Rf5 31. Re3 Rf6 32. Bf1 Bxf1 33. Qxf1 Qf7 34. Rf2 Nf5 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.28"]
[Round "7"]
[White "Lundin, Jan"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2199"]
[BlackElo "1984"]
[PlyCount "125"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bf5 6. Bf4 Nf6 7. e3 Be7 8. h3 Nbd7 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Re8 12. Rab1 a5 13. Rfe1 Ne4 14. Nd2 Ndf6 15. f3 Nxd2 16. Qxd2 Nh5 17. Bh2 Bh4 18. Re2 Ng3 19. Bxg3 Bxg3 20. f4 Bh4 21. a3 Be7 22. Qd3 Bd6 23. Rf1 Qc7 24. Rc2 Qe7 25. Rf3 f6 26. g4 g6 27. Rg2 Rf8 28. h4 g5 29. Ne2 Rae8 30. Ng3 gxf4 31. exf4 Qc7 32. Qf5 Kh8 33. Kf1 c5 34. Rc2 Qb6 35. Qxd5 cxd4 36. Nf5 Rd8 37. Qxd4 Qxd4 38. Nxd4 Rfe8 39. Nb5 Bb8 40. Re2 Rd1+ 41. Kf2 Rxe2+ 42. Kxe2 Rb1 43. b3 Rb2+ 44. Kf1 Rh2 45. Rd3 Bxf4 46. Nd4 Rd2 47. Rxd2 Bxd2 48. Nf5 Bf4 49. Ke2 Kg8 50. Kf3 Bc7 51. Ke4 Kf7 52. h5 Ke6 53. Nd4+ Kd7 54. Kd5 Bd6 55. a4 b6 56. Nf5 Bc5 57. Ng3 Bd6 58. Ne4 Be7 59. Nd2 Bb4 60. Nc4 Bc5 61. Nxa5 Bg1 62. Nc4 Bc5 63. a5 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.27"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Kunakbaev, Ilnur"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1984"]
[BlackElo "2193"]
[PlyCount "113"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. b3 Bd7 7. Bb2 Qc8 8. Qc1 Nf6 9. Nd5 0-0 10. Nxf6+ Bxf6 11. Bxf6 exf6 12. Qc3 Kg7 13. 0-0 Re8 14. Rfe1 Bh3 15. Bh1 Ne5 16. d4 Nxf3+ 17. Bxf3 Re7 18. Rad1 Qe6 19. dxc5 dxc5 20. Rd5 Rc8 21. Red1 b6 22. a4 Rce8 23. a5 h5 24. Qa1 Qc8 25. Qc3 Be6 26. Rd6 Qb8 27. axb6 axb6 28. h4 Rc8 29. Bc6 Qc7 30. e3 Qa7 31. Ra1 Qb8 32. Rad1 Qc7 33. Qb2 Qb8 34. Qc3 Rec7 35. Bd7 Rxd7 36. Rxd7 Bxd7 37. Rxd7 Qa8 38. Qd3 Qf3 39. Rd8 Rxd8 40. Qxd8 Qc6 41. Qd3 Qa8 42. Qd6 Qa5 43. Qd3 Qa1+ 44. Kg2 Qb2 45. Kg1 Qa2 46. Kg2 Qa8+ 47. Kg1 Qc6 48. Kh2 Qe6 49. Kg1 Qe5 50. Qd8 Qa1+ 51. Kg2 Qa5 52. Qd3 Qa8+ 53. Kg1 Qb8 54. Qd7 Kf8 55. Kg2 Qa8+ 56. Kg1 Kg7 57. Qd3 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.26"]
[Round "5"]
[White "Dorashava, Viktoryia"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1560"]
[BlackElo "1984"]
[PlyCount "120"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c6 5. Qc2 Bd6 6. Nf3 Ne7 7. Bg5 f6 8. Bh4 Bf5 9. Qd2 0-0 10. e3 Nd7 11. Bd3 Bg6 12. Bg3 Nc8 13. Bxg6 hxg6 14. Qd3 Qe8 15. Nh4 f5 16. 0-0-0 Nf6 17. f3 b5 18. Bf4 Be7 19. g4 Nxg4 20. fxg4 Bxh4 21. g5 Qe7 22. Rhg1 Nd6 23. Qf1 Kf7 24. Qf3 Ke6 25. Bxd6 Qxd6 26. e4 dxe4 27. Nxe4 fxe4 28. Qxe4+ Kd7 29. Qxh4 Qf4+ 30. Qxf4 Rxf4 31. d5 c5 32. Rg2 Re8 33. d6 Re6 34. Rgd2 Re5 35. Rd5 Rff5 36. Rxe5 Rxe5 37. h4 a6 38. a4 bxa4 39. Kc2 Re6 40. Rd5 Rxd6 41. Rxc5 Rc6 42. Rc3 Kd6 43. Rxc6+ Kxc6 44. Kd2 Kc5 45. Kc3 Kb5 46. Kd4 Kb4 47. Ke5 Kb3 48. Ke6 Kxb2 49. Kf7 a3 50. Kxg7 a2 51. Kxg6 a1Q 52. h5 Qa2 53. Kg7 Qd5 54. Kh6 Qg8 55. g6 Qh8+ 56. Kg5 a5 57. h6 Qe5+ 58. Kg4 Qf6 59. g7 Qg6+ 60. Kf3 a4 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.25"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Skatchkov, Valery"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "1984"]
[BlackElo "2248"]
[PlyCount "54"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 0-0 7. Qc2 c6 8. 0-0 Nbd7 9. Bf4 a5 10. Rd1 a4 11. Nc3 dxc4 12. Nxa4 Qa5 13. Nc3 b5 14. e4 h6 15. d5 cxd5 16. Nd4 Bc5 17. exd5 Bxd4 18. dxe6 fxe6 19. Rxd4 e5 20. Rxd7 Bxd7 21. Bxe5 Ra6 22. Rd1 Bg4 23. Rd4 Be6 24. Qe2 b4 25. Bxf6 bxc3 26. Be7 cxb2 27. Rd1 Qxa2 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.24"]
[Round "3"]
[White "Timerkhanov, Alexander"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2372"]
[BlackElo "1984"]
[PlyCount "74"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 g6 7. Bg2 Bd7 8. Nde2 Bg7 9. b3 0-0 10. Bb2 Rb8 11. h3 b5 12. Nd5 Nxd5 13. Bxg7 Ne3 14. fxe3 Kxg7 15. 0-0 Qb6 16. Qd2 Ne5 17. Nf4 Bc6 18. Nd3 b4 19. a3 a5 20. axb4 axb4 21. Ra2 Nxd3 22. cxd3 Ra8 23. Rfa1 Rxa2 24. Rxa2 Ra8 25. Rxa8 Bxa8 26. Kf2 f5 27. Qb2+ e5 28. Qa1 Bb7 29. Bf3 fxe4 30. Bxe4 Bxe4 31. dxe4 Qc6 32. Qa7+ Kf6 33. Qb8 Qc2+ 34. Kf3 Qd1+ 35. Kf2 Qc2+ 36. Kf3 Qd1+ 37. Kf2 Qc2+ 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.23"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Chyndygyr, Tamerlan"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1984"]
[BlackElo "2332"]
[PlyCount "73"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6 10. e5 Nd7 11. a3 c5 12. dxc5 Naxc5 13. b4 Ne4 14. cxd5 exd5 15. Bb2 Qb8 16. Bh3 Rd8 17. Rad1 Nxd2 18. Rxd2 d4 19. e6 Ne5 20. Nxe5 Qxe5 21. exf7+ Kxf7 22. Re2 Qh5 23. Rfe1 Bf6 24. Qc7+ Kf8 25. Qxb7 Qxh3 26. Re7 Kg8 27. Rc7 Qf5 28. Rd1 Rab8 29. Qxa7 Qf3 30. Rxd4 Bxd4 31. Rxg7+ Kh8 32. Rxh7+ Kg8 33. Rg7+ Kh8 34. Rh7+ Kg8 35. Rg7+ Kh8 36. Rh7+ Kg8 37. Rg7+ 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.22"]
[Round "1"]
[White "Buzanov, Artemiy"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1284"]
[BlackElo "1984"]
[PlyCount "71"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd3 g6 8. c4 Bg7 9. Nc3 Nf6 10. 0-0 0-0 11. Bd2 Rac8 12. Rac1 Ng4 13. b3 f5 14. Ng5 Nd4 15. Nb5 Ne5 16. Qh3 Ne2+ 17. Kh1 h6 18. Rce1 hxg5 19. Rxe2 g4 20. Qh4 f4 21. f3 Bf6 22. Qe1 g5 23. Bc3 Rf7 24. Bxe5 Bxe5 25. fxg4 a6 26. Nc3 Qxg4 27. Rf3 Rh7 28. Qd2 Qd7 29. Rf1 Rf8 30. Ref2 g4 31. Nd5 g3 32. Rf3 Rxh2+ 33. Kg1 Qh3 34. gxh3 Rxd2 35. Nxf4 Bd4+ 36. R3f2 0-1

[Event "Chigorin Memorial Blitz"]
[Site "St Petersburg"]
[Date "2022.10.21"]
[Round "11"]
[White "Bodnaruk, Anastasia"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2378"]
[BlackElo "1984"]
[PlyCount "14"]
[EventDate "2022.10.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Ne7 6. 0-0 Nec6 7. d3 Be7 1-0

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.21"]
[Round "10"]
[White "Strybuk, Artsiom I"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2234"]
[BlackElo "1866"]
[PlyCount "71"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Nf3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. e3 exd5 11. 0-0 Nc6 12. Nxc6 bxc6 13. Rc1 Rb8 14. Nc3 h5 15. a3 Be7 16. Na4 Qb5 17. Bf1 Qb7 18. Bxa5 Ne4 19. Qxc6 Qxc6 20. Rxc6 Bd7 21. Rc7 Bxa4 22. Rxe7 Rxb2 23. Be1 Rfb8 24. Rc7 h4 25. gxh4 R8b6 26. h5 Rh6 27. Bd3 Rxh5 28. Rc8+ Kh7 29. f3 f5 30. fxe4 fxe4 31. Bf1 Rhxh2 32. Bc3 Rbc2 33. Bd4 Rcd2 34. Rc7 Kh6 35. Rxg7 Rh5 36. Rg2 1-0

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.20"]
[Round "9"]
[White "Efimov, Leonid"]
[Black "Zverev, Lev"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1866"]
[BlackElo "2163"]
[PlyCount "73"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 4. 0-0 Be7 5. d4 c6 6. c4 0-0 7. Nc3 a5 8. Nd2 b5 9. cxb5 cxb5 10. Nxb5 Qb6 11. Nc3 Qxd4 12. e4 Ba6 13. Nb3 Qa7 14. Re1 dxe4 15. Be3 Qc7 16. Nxe4 Nd5 17. Rc1 Qd8 18. Bc5 Bxc5 19. Nexc5 Bc8 20. Nd4 Na6 21. Nc6 Qf6 22. Bxd5 exd5 23. Ne7+ Kh8 24. Nxc8 Rfxc8 25. Nxa6 Rxc1 26. Qxc1 Qxa6 27. Qc7 Qb5 28. Qxf7 h6 29. b3 d4 30. Re7 Rg8 31. Rd7 Qd3 32. Qd5 Qb1+ 33. Kg2 Qxa2 34. Rd6 Rf8 35. Qxd4 Qxb3 36. Rxh6+ Kg8 37. Rb6 1/2-1/2

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.19"]
[Round "8"]
[White "Somkin, Kirill"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2262"]
[BlackElo "1866"]
[PlyCount "120"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. c4 e5 8. Qd3 Ne7 9. Nc3 Ng6 10. c5 dxc5 11. Qxd8+ Kxd8 12. Be3 Kc7 13. g3 Rb8 14. b3 f6 15. Nd2 Be6 16. 0-0 Be7 17. Rfc1 Rhd8 18. Na4 Rb5 19. Kf1 Nf8 20. Ke1 Nd7 21. Rc2 g5 22. Rac1 g4 23. Ke2 h5 24. Nc3 Rbb8 25. Nd1 Rb4 26. Nb2 Rbb8 27. Nd3 Rb5 28. Rc3 Rdb8 29. R1c2 Bf7 30. Rc1 a5 31. R1c2 Bg8 32. Rc1 R8b6 33. a4 Rxb3 34. Nxb3 Bxb3 35. Nxc5 Nxc5 36. Bxc5 Bxc5 37. Rxc5 Bxa4 38. Rxa5 Rb4 39. Ra7+ Kd6 40. Rh7 Rxe4+ 41. Kd3 Rd4+ 42. Kc3 Bd1 43. Rxh5 Bf3 44. h4 gxh3 45. Rf5 Bg2 46. Rxf6+ Ke7 47. Rh6 Kf7 48. Rb1 Kg7 49. Rh5 Kg6 50. Rh8 Rd7 51. Rb4 Rf7 52. Rg4+ Kf5 53. Rb4 Ke6 54. Rb2 Kf5 55. Kd3 Kg6 56. Rbb8 Rxf2 57. Rbg8+ Kf7 58. g4 h2 59. Rf8+ Kg7 60. Rfg8+ Kf7 1/2-1/2

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.18"]
[Round "6"]
[White "Safin, Timur"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2216"]
[BlackElo "1866"]
[PlyCount "55"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. cxd5 exd5 4. Nc3 c6 5. Nf3 Bf5 6. g3 Nf6 7. Bg2 Nbd7 8. Nh4 Bg4 9. h3 Bh5 10. 0-0 Bb4 11. Qb3 Qb6 12. a3 Bxc3 13. Qxc3 0-0-0 14. Nf5 Nf8 15. Bf4 Ng6 16. Bg5 h6 17. Bxf6 gxf6 18. Rfe1 Nf8 19. a4 a5 20. e4 dxe4 21. d5 Rxd5 22. Ne7+ Kd7 23. Nxd5 cxd5 24. g4 Bg6 25. Rad1 Ke6 26. Qc8+ Ke5 27. Qb8+ Qd6 28. f4+ 1-0

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.17"]
[Round "5"]
[White "Efimov, Leonid"]
[Black "Plotnikov, Boris"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1866"]
[BlackElo "2025"]
[PlyCount "99"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. Nf3 Bd6 8. Be3 Nbd7 9. 0-0-0 Ng4 10. Ng5 Nxe3 11. fxe3 Nb6 12. Bxf7+ Ke7 13. Nd5+ Nxd5 14. Bxd5 h6 15. Nf7 Rf8 16. Nxd6 cxd6 17. Rdf1 Rf6 18. Rxf6 gxf6 19. Rd1 Rb8 20. Rd3 Be6 21. Rc3 Bxd5 22. exd5 Kd7 23. e4 Rh8 24. Rb3 Kc7 25. Rg3 Rf8 26. Rf3 Kb6 27. Kd2 Kc5 28. Kd3 h5 29. g3 Rh8 30. Rxf6 h4 31. g4 h3 32. a3 a5 33. b4+ axb4 34. axb4+ Kxb4 35. Rxd6 Rf8 36. Ke3 b5 37. Rc6 Ka5 38. d6 Rd8 39. Kf3 b4 40. Rc5+ Kb6 41. Rd5 Kc6 42. d7 Kb6 43. Kg3 Kc7 44. g5 Kc6 45. g6 Kc7 46. g7 Kc6 47. Kxh3 b3 48. cxb3 Kc7 49. Kg4 Kb7 50. h4 1-0

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.16"]
[Round "4"]
[White "Kalambetov, Anton"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2051"]
[BlackElo "1866"]
[PlyCount "81"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. g3 dxc4 6. Bg2 Nbd7 7. e4 b5 8. e5 Nd5 9. Ng5 h6 10. Nge4 b4 11. Ne2 Be7 12. 0-0 0-0 13. f4 f5 14. exf6 N7xf6 15. Qc2 Qb6 16. Qxc4 Ba6 17. Qc2 Ng4 18. Rf3 e5 19. fxe5 Rxf3 20. Bxf3 Nxe5 21. Bg2 Rf8 22. Bf4 Nxf4 23. Nxf4 Qxd4+ 24. Kh1 Qc4 25. Qd1 Bc8 26. b3 Qb5 27. Bf1 Qb8 28. Qd4 Rd8 29. Bc4+ Kh7 30. Qb2 Bf5 31. Re1 Nxc4 32. bxc4 Bxe4+ 33. Rxe4 Qd6 34. Re2 Qd1+ 35. Kg2 c5 36. Qe5 Bf8 37. Ne6 Re8 38. Rf2 Rxe6 39. Qxe6 Qd6 40. Qf5+ Kg8 41. Qf7+ 1-0

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.15"]
[Round "3"]
[White "Efimov, Leonid"]
[Black "Efremov, Vladislav"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1866"]
[BlackElo "2279"]
[PlyCount "86"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bd6 6. Bg2 c6 7. Qc2 Nbd7 8. 0-0 0-0 9. Bf4 Bxf4 10. gxf4 Ne4 11. Nc3 f5 12. b4 Nd6 13. c5 Ne4 14. e3 h6 15. Ne1 a5 16. Bxe4 dxe4 17. b5 Nf6 18. Ng2 Qe8 19. a4 Qh5 20. Ne2 Qh3 21. f3 exf3 22. Ne1 fxe2 23. Qxe2 Qg4+ 24. Qxg4 Nxg4 25. Nc2 Bd7 26. b6 g5 27. Rae1 Be8 28. Na3 Bf7 29. h3 Nf6 30. Nc4 gxf4 31. exf4 e5 32. Nxe5 Kh7 33. Kh2 Bb3 34. Rf3 Bd5 35. Rf2 Rad8 36. Nf3 Rfe8 37. Rxe8 Rxe8 38. Ne5 Rd8 39. Re2 Ne4 40. Re3 Rg8 41. Nd7 Rg7 42. Ne5 Nd2 43. Re2 Nf1# 0-1

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.14"]
[Round "2"]
[White "Polosin, Evgeni"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2186"]
[BlackElo "1866"]
[PlyCount "104"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 c5 4. Nf3 Nc6 5. e3 Bg4 6. Be2 e6 7. Ne5 Bxe2 8. Nxe2 Qa5+ 9. c3 Nxe5 10. dxe5 Nd7 11. f4 f6 12. exf6 gxf6 13. Bh4 0-0-0 14. f5 exf5 15. Qxd5 Bh6 16. 0-0-0 Bxe3+ 17. Kb1 Qa6 18. Qf3 Rhe8 19. Rhe1 Qc4 20. Ng3 f4 21. Nf5 Ne5 22. Qh3 Kb8 23. Nd6 Rxd6 24. Rxd6 Qe4+ 25. Ka1 Qc2 26. Rb1 Nc4 27. Rdd1 f5 28. Bf6 Nd2 29. Qxh7 a6 30. Qd7 Rg8 31. Rbc1 Nb3+ 32. axb3 Bxc1 33. c4 Be3 34. Qd6+ Ka7 35. Bd8 Qxb3 36. Rd3 Qb4 37. Ka2 Rxg2 38. Qf6 Bd4 39. Bb6+ Qxb6 40. Qxb6+ Kxb6 41. Rf3 Rxb2+ 42. Ka3 Rxh2 43. Rxf4 Rf2 44. Rh4 f4 45. Rh6+ Ka5 46. Rh3 Rg2 47. Rh7 Rg3+ 48. Ka2 b5 49. Kb1 Kb4 50. cxb5 axb5 51. Kc2 f3 52. Rh1 Rg1 0-1

[Event "Cheliabinsk Panchenko Memorial op-A"]
[Site "Cheliabinsk"]
[Date "2021.09.13"]
[Round "1"]
[White "Efimov, Leonid"]
[Black "Barseghyan, Armen Ar"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1866"]
[BlackElo "2338"]
[PlyCount "78"]
[EventDate "2021.09.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RUS"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. Re1 a6 12. a4 Ng4 13. Qc1 Rb8 14. a5 b5 15. axb6 Rxb6 16. Ra4 Nge5 17. Bg5 Bf6 18. Bh6 Re8 19. Bd2 Bg7 20. h3 Nf6 21. Nxe5 Qxe5 22. Bf4 Qe7 23. Bg5 Qb7 24. Qf4 Nh5 25. Re4 Re5 26. Qh4 Rxb2 27. g4 h6 28. Bxh6 Bf6 29. g5 Rxe4 30. Nxe4 Be5 31. Bf3 Rb1 32. Nf6+ Nxf6 33. gxf6 Rxe1+ 34. Kg2 Qb1 35. Be4 Rg1+ 36. Kf3 Qb3+ 37. Bd3 Qxd5+ 38. Be4 Qb3+ 39. Bd3 Bb7+ 0-1

[Event "Bryansk Zilberstein Memorial 5th"]
[Site "Bryansk"]
[Date "2021.07.29"]
[Round "1"]
[White "Nozdrachev, Vladislav"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2500"]
[BlackElo "1866"]
[PlyCount "79"]
[EventDate "2021.07.29"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bxe6 fxe6 12. 0-0-0 Qa5 13. Kb1 Rac8 14. h4 a6 15. g4 Nd7 16. Bxg7 Kxg7 17. h5 g5 18. h6+ Kg6 19. e5 Nxe5 20. Rh5 Rxf3 21. Qxg5+ Kf7 22. Qg7+ Ke8 23. Qh8+ Rf8 24. Qxh7 Rxc3 25. Rxe5 Qxe5 26. bxc3 Qb5+ 27. Ka1 Qe2 28. Qg6+ Kd7 29. Rb1 Rf6 30. Qh7 Qe3 31. Qd3 Qxh6 32. Rxb7+ Ke8 33. Kb2 Qg7 34. Qxa6 Qxg4 35. Qa8+ Kf7 36. Qd8 Qf3 37. Qxe7+ Kg6 38. Qh7+ Kg5 39. Rg7+ Kf4 40. Qh4+ 1-0

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.28"]
[Round "9"]
[White "Ponomarev, Andrey A"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "1893"]
[BlackElo "1764"]
[PlyCount "123"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bb3 Qa5 12. 0-0 Rfc8 13. Rad1 b5 14. Bxe6 fxe6 15. a3 Rc4 16. Bf2 Rac8 17. Qe3 Nd7 18. Qg5 Bf6 19. Qxb5 Qxb5 20. Nxb5 Rxc2 21. Nxa7 Rb8 22. b4 Rb7 23. Rb1 Rxf2 24. Rxf2 Rxa7 25. Ra2 Nb6 26. Kf2 Kf7 27. Ke3 Ke8 28. Kd3 Kd7 29. Rc1 h5 30. f4 e5 31. g3 exf4 32. gxf4 g5 33. fxg5 Bxg5 34. Rf1 Bf6 35. Rf5 h4 36. Rb5 Kc6 37. Rh5 Ra8 38. Kc2 Rg8 39. Kd3 Nd7 40. a4 Ne5+ 41. Ke3 Ra8 42. Kd4 Kb6 43. Kd5 Rc8 44. Rf5 Nd3 45. Ke6 Rc4 46. a5+ Ka7 47. Rxf6 exf6 48. Kxd6 Nxb4 49. Re2 Rc6+ 50. Ke7 Nd3 51. Re3 Ne5 52. Re2 Ka6 53. Rf2 Ng4 54. Rf4 Nxh2 55. Rxh4 Nf3 56. Rf4 Rc3 57. Rxf6+ Kxa5 58. e5 Nxe5 59. Rf5 Rc5 60. Ke6 Kb4 61. Rxe5 Rxe5+ 62. Kxe5 1/2-1/2

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.27"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Gorovenko, Darya"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1764"]
[BlackElo "2106"]
[PlyCount "68"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nf3 b6 11. Be3 Ng4 12. Bf4 Ba6 13. 0-0 Bxc3 14. bxc3 Nf6 15. Nd2 e5 16. Bg5 Kg7 17. Rfd1 Rac8 18. Bxf6+ Kxf6 19. Nf1 Na5 20. Ne3 Rxd1+ 21. Rxd1 Bxc4 22. Bg4 Rc5 23. Rd2 Be6 24. Bxe6 Kxe6 25. Nd5 Nc4 26. Re2 Nd6 27. f3 f5 28. g4 fxe4 29. fxe4 Rc4 30. Rd2 Nxe4 31. Rd3 Rc5 32. c4 Rxc4 33. Kg2 Rc5 34. Ne3 Rc3 0-1

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.26"]
[Round "7"]
[White "Bogaudinov, Rushan"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2016"]
[BlackElo "1764"]
[PlyCount "97"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 e6 2. b3 d5 3. Nf3 d4 4. Bb2 c5 5. b4 Nf6 6. d3 Qb6 7. Qb3 Nc6 8. bxc5 Bxc5 9. Qxb6 axb6 10. a3 e5 11. Nbd2 Ke7 12. h3 Be6 13. Ng5 Ra7 14. g3 Rha8 15. Nxe6 Kxe6 16. Bg2 Bb4 17. Rb1 Bc3 18. Bc1 Nd7 19. Bd5+ Ke7 20. 0-0 f5 21. f4 exf4 22. Rxf4 Rf8 23. Nf3 Ra5 24. g4 Nf6 25. Rxb6 Nxd5 26. Rxb7+ Ke8 27. cxd5 Rxd5 28. Rxg7 fxg4 29. Re4+ Kd8 30. hxg4 Rd7 31. Bg5+ Kc8 32. Rxd7 Kxd7 33. Rf4 Rg8 34. Rf7+ Kc8 35. Rxh7 Ne5 36. Nxe5 Rxg5 37. Rh5 Rg8 38. Kg2 Kc7 39. Kf3 Kd6 40. Nc4+ Ke6 41. a4 Rf8+ 42. Rf5 Rxf5+ 43. gxf5+ Kxf5 44. a5 Bb4 45. a6 Bc5 46. Na5 Ke6 47. Nc6 Kd5 48. a7 Bxa7 49. Nxa7 1-0

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.25"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Khmelev, Mikhail"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1764"]
[BlackElo "2077"]
[PlyCount "75"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 d6 8. Nf3 Bxa6 9. Bxa6 Rxa6 10. 0-0 0-0 11. Qe2 Qa5 12. Nd2 Nbd7 13. Nc4 Qc7 14. Bf4 Rfa8 15. h3 Ne8 16. Rae1 Bxc3 17. bxc3 Rxa2 18. Qd3 f6 19. Bg3 Qa7 20. e5 Nxe5 21. Bxe5 dxe5 22. f4 exf4 23. Rxf4 Qc7 24. Rfe4 Ra1 25. Qe3 Rxe1+ 26. Qxe1 Kf8 27. Rh4 h5 28. Qe3 Ng7 29. Rf4 Ra1+ 30. Kf2 g5 31. Rf3 Qh2 32. Qxg5 Qg1+ 33. Kg3 Ra2 34. Ne3 Qe1+ 35. Kh2 Rd2 36. Qh6 Rd3 37. Rg3 Rxe3 38. Qh8+ 1-0

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.24"]
[Round "5"]
[White "Isaev, Magomed"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2196"]
[BlackElo "1764"]
[PlyCount "79"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Qb6 12. g3 Bb7 13. Bg2 0-0-0 14. Qf3 Qxd4 15. Rd1 Ne5 16. Qe2 Nd3+ 17. Kf1 Bh6 18. h4 Bxg5 19. hxg5 Rxh1+ 20. Bxh1 Rg8 21. Be4 Rh8 22. g6 Qxf6 23. Bxd3 cxd3 24. Qxd3 Rh1+ 25. Ke2 Qe5+ 26. Qe4 Qxe4+ 27. Nxe4 Rxd1 28. Kxd1 fxg6 29. Nc5 Kc7 30. Nxe6+ Kd6 31. Nf8 g5 32. Nh7 g4 33. Nf6 Bc8 34. Ke2 Ke5 35. Nh5 Be6 36. a3 Bf7 37. Nf4 Ke4 38. Ng2 c5 39. Ne3 Be6 40. Nxg4 0-1

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.23"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Korovko, Iakov1111"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1764"]
[BlackElo "1606"]
[PlyCount "95"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 0-0 11. Kg2 Qb6 12. a4 Na6 13. Qe2 Nb4 14. Rd1 e6 15. dxe6 fxe6 16. Bg5 h6 17. Bxf6 Rxf6 18. e5 dxe5 19. Ne4 Rf7 20. Rd6 Qb7 21. a5 Raf8 22. Ra3 g5 23. h3 Nc6 24. Nxc5 Qa8 25. Qe4 Nd4 26. Qxa8 Rxa8 27. Nxd4 Bf8 28. Rc6 exd4 29. b4 Bxc5 30. Rxc5 Rb7 31. Rb3 Rd7 32. Rd3 Kg7 33. Rc4 e5 34. f4 gxf4 35. gxf4 Kf6 36. Kf3 Kf5 37. Rc5 Re8 38. b5 Kf6 39. fxe5+ Rxe5 40. Rxe5 Kxe5 41. b6 Rf7+ 42. Ke2 Kd5 43. a6 Re7+ 44. Kd2 Rg7 45. b7 Rg2+ 46. Kc1 Kc4 47. Rd2 Rg1+ 48. Kb2 1-0

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.22"]
[Round "3"]
[White "Zverev, Lev"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "1987"]
[BlackElo "1764"]
[PlyCount "101"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Qb6 9. Nf5 Qxb2 10. Nxg7+ Kf8 11. Bd2 Kxg7 12. 0-0 Qa3 13. Kh1 Qc5 14. Bd3 Ne5 15. Rb1 b6 16. Ne2 Be6 17. a4 Rhc8 18. Ba6 Rc7 19. Nd4 Kg8 20. Bb4 Bc4 21. Bxc5 Bxa6 22. Bxd6 exd6 23. Nb5 Bxb5 24. Rxb5 Nc4 25. Qd4 Nd7 26. Rb3 Rac8 27. Rc3 Nf8 28. f4 Rc5 29. f5 Nd7 30. Qf2 Rf8 31. Qf4 Nce5 32. Rxc5 bxc5 33. f6 Rb8 34. h3 Nf8 35. Rd1 Ne6 36. Qg3 Rd8 37. Qe3 Nc6 38. c3 Ne5 39. Rd5 Nc7 40. Qh6 Ne8 41. Qf4 Rc8 42. Rxe5 dxe5 43. Qxe5 h5 44. Qe7 a5 45. e5 Nc7 46. Qd7 Rb8 47. Qxc7 Rb1+ 48. Kh2 g5 49. e6 g4 50. Qxf7+ Kh8 51. Qg7# 1-0

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.21"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Zhuk, Kirill"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1764"]
[BlackElo "2054"]
[PlyCount "96"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Re1 Ne4 11. Nxe4 Rxe4 12. Qc2 Re8 13. Bf4 Bg4 14. e4 Bxf3 15. Bxf3 Qf6 16. Bg2 Nd7 17. Re2 g5 18. Bd2 g4 19. Bc3 Ne5 20. f4 gxf3 21. Rf1 b5 22. Ref2 Bh6 23. Rxf3 Nxf3+ 24. Bxf3 Qg5 25. e5 Rxe5 26. Bxe5 Qxe5 27. Be4 Re8 28. Bxh7+ Kg7 29. Qf5 Qxf5 30. Bxf5 Re2 31. Rb1 Be3+ 32. Kh1 Bd4 33. Bd3 Rd2 34. Bxb5 Bxb2 35. Bc4 a5 36. Re1 Be5 37. Re2 Rd4 38. Rc2 a4 39. Kg2 a3 40. Kf3 Rd1 41. Ke4 Kg6 42. Bb3 f5+ 43. Kf3 Rd3+ 44. Ke2 Rxb3 45. axb3 Bb2 46. Rc4 a2 47. Ra4 a1Q 48. Rxa1 Bxa1 0-1

[Event "Moscow op-A 17th"]
[Site "Moscow"]
[Date "2021.02.20"]
[Round "1"]
[White "Babakekhyan, Artem"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2181"]
[BlackElo "1764"]
[PlyCount "77"]
[EventDate "2021.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 c5 8. a4 Rb8 9. a5 b5 10. axb6 Rxb6 11. Qc2 Bb7 12. 0-0 Qa8 13. d3 Bd6 14. Nbd2 Ne5 15. Qa4+ Ke7 16. Qc2 Rc8 17. e4 Nfd7 18. Ne1 Nc6 19. Nc4 Nd4 20. Qd2 Rbc6 21. Na5 Rb6 22. Qd1 Ne5 23. f4 Nec6 24. Nc4 Rb5 25. Qh5 Bc7 26. f5 e5 27. f6+ gxf6 28. Bg5 Rf8 29. Bxf6+ Ke8 30. Bg7 Nd8 31. Bxf8 Kxf8 32. Nf3 Nxf3+ 33. Rxf3 Rb6 34. Nxb6 Bxb6 35. Raf1 Bd5 36. exd5 Qa7 37. Qh6+ Ke8 38. Rf6 c4+ 39. Rxb6 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.08"]
[Round "9"]
[White "Zhukov, Anton"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2233"]
[BlackElo "1711"]
[PlyCount "157"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. 0-0 0-0 8. Qc2 Bxd2 9. Nbxd2 b5 10. a4 c6 11. e4 Na6 12. e5 Nb4 13. Qb1 Nfd5 14. Ne4 Nd3 15. Nd6 Rb8 16. Ne1 N5b4 17. Be4 Qb6 18. Nxd3 cxd3 19. Bxd3 Nxd3 20. Qxd3 Ba6 21. Rfc1 bxa4 22. Qd1 Bb5 23. Rc5 Rfd8 24. Rac1 Rxd6 25. exd6 Rd8 26. Qh5 Rxd6 27. Rd1 Rd5 28. Qf3 h6 29. Qc3 Rd6 30. Re1 Qd8 31. Re4 f5 32. Re1 Rxd4 33. Rxe6 Rd3 34. Qe1 Qd4 35. Rc1 Rd2 36. Re3 Kh7 37. h4 Qxb2 38. Rcc3 Be2 39. Kg2 Bg4 40. Rcd3 Rxd3 41. Rxd3 Qb4 42. Qe3 f4 43. gxf4 Bf5 44. Rc3 Qe4+ 45. Kh2 Kg6 46. Qxe4 Bxe4 47. Rc5 Bd5 48. Rxa5 Bb3 49. Kg3 Kf6 50. Kf3 h5 51. Ke3 g6 52. Ra6 Kf5 53. f3 Bd5 54. Rxa4 Kf6 55. Ra8 Ke6 56. Re8+ Kf7 57. Re5 Kf6 58. Rg5 Be6 59. Kd4 Bd5 60. f5 gxf5 61. f4 Bf3 62. Kc5 Bg4 63. Kxc6 Bf3+ 64. Kd6 Bg4 65. Rg8 Kf7 66. Rb8 Kf6 67. Rf8+ Kg7 68. Ke7 Bh3 69. Rf7+ Kg6 70. Rf6+ Kg7 71. Rb6 Bg4 72. Ke6 Kg6 73. Ke5+ Kg7 74. Rf6 Bh3 75. Rxf5 Bxf5 76. Kxf5 Kh6 77. Ke6 Kg7 78. f5 Kf8 79. Kf6 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.07"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Bujakevich, Aleksandr"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1711"]
[BlackElo "2058"]
[PlyCount "59"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. Ne5 0-0 9. Nxc4 Qc7 10. Nbd2 Bd7 11. Rc1 Bc6 12. Ne5 Nfd7 13. Nxc6 Nxc6 14. 0-0 Rac8 15. e3 Nb6 16. Nb3 Qe7 17. Qe2 Nd5 18. e4 Nc7 19. Rfd1 Rfd8 20. Rd2 a5 21. Qd1 a4 22. Nc5 Nb5 23. d5 exd5 24. exd5 Ncd4 25. Ne4 Rxc1 26. Qxc1 f5 27. d6 Qe6 28. Ng5 Qxa2 29. Bf1 h6 30. Bc4+ 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.06"]
[Round "7"]
[White "Ramazanov, Robert"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1259"]
[BlackElo "1711"]
[PlyCount "74"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d3 Nd7 5. Nbd2 Ngf6 6. 0-0 e5 7. e4 Bd6 8. Re1 0-0 9. h3 Bh5 10. g4 Bg6 11. Nh4 Re8 12. Nf1 dxe4 13. dxe4 Nc5 14. Nxg6 hxg6 15. Ng3 Qc7 16. Qe2 Rad8 17. Be3 a5 18. Rad1 Ne6 19. Nf1 Bc5 20. c3 b5 21. Qc2 Nd7 22. Bxc5 Ndxc5 23. Nd2 Nf4 24. Nb3 Nce6 25. Nc1 b4 26. cxb4 Nd4 27. Qc4 axb4 28. Kh2 Qe7 29. Nb3 Nfe6 30. f4 Nxb3 31. axb3 Nxf4 32. Qxc6 Rc8 33. Qb6 Rc2 34. Rg1 Rec8 35. Rd6 Qh4 36. Qe3 Re2 37. Qg3 Qe7 0-1

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.05"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Shermilko, Ivan"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "1711"]
[BlackElo "1272"]
[PlyCount "80"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 0-0 11. Nb3 Be7 12. c4 Bd7 13. Bb2 Rac8 14. Bxf6 Bxf6 15. Rxd7 Bxa1 16. Nxa1 Rfd8 17. Rxd8+ Rxd8 18. Nb3 Rd1+ 19. Bf1 b6 20. e3 a5 21. a3 e5 22. c5 a4 23. Nbd2 b5 24. Kg2 b4 25. axb4 Nxb4 26. Nc4 f6 27. Nb2 Rxf1 28. Kxf1 a3 29. Nd2 axb2 30. Nb1 Kf7 31. Ke2 Ke6 32. Kd2 Kd5 33. Nc3+ Kc4 34. f3 Kb3 35. h4 g6 36. g4 h5 37. Nb1 Ka2 38. Nc3+ Kb3 39. Nb1 Ka2 40. Nc3+ Kb3 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.04"]
[Round "5"]
[White "Plyasunov, Daniil"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1959"]
[BlackElo "1711"]
[PlyCount "83"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 e5 11. Bg5 b4 12. Ne2 h6 13. Bh4 Qc7 14. 0-0 exd4 15. Nexd4 Ng4 16. h3 Nge5 17. Nxe5 Bxe5 18. Nf3 Bf4 19. e5 g5 20. Bg3 0-0-0 21. Bxf4 gxf4 22. Bf5 c5 23. Be4 Rhe8 24. Bxb7+ Kxb7 25. Qe4+ Kb8 26. Rfe1 f6 27. e6 Nb6 28. Rac1 c4 29. b3 Rd6 30. Nd4 Qc5 31. Qg6 Rdd8 32. e7 Rc8 33. Qxf6 Ka8 34. bxc4 Nd7 35. Qxf4 Rxe7 36. Rxe7 Qxe7 37. Qf3+ Kb8 38. Nc6+ Rxc6 39. Qxc6 Ne5 40. Qe4 Qc5 41. Re1 Nc6 42. Qd5 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.03"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Kodintsev, Lev I"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1711"]
[BlackElo "1159"]
[PlyCount "73"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. cxd5 Nxd5 6. e4 Nf6 7. d5 exd5 8. exd5 Bd6 9. Nc3 a6 10. a4 0-0 11. Nge2 Bf5 12. 0-0 Nbd7 13. Bf4 Nb6 14. Bxd6 Qxd6 15. a5 Nc4 16. b3 Nb2 17. Qd2 Nd3 18. h3 h6 19. Rad1 Nb4 20. Qf4 Qxf4 21. Nxf4 Rad8 22. d6 Rd7 23. Na4 Be4 24. Nxc5 Bxg2 25. Nxd7 Nxd7 26. Kxg2 Nc6 27. Nd5 Nxa5 28. b4 Nc4 29. Rd4 Ncb6 30. Nxb6 Nxb6 31. Rc1 Rd8 32. Rc7 Nc8 33. d7 Ne7 34. Rxb7 Nc6 35. Rd6 Ne5 36. f4 Nc4 37. Rc6 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.02"]
[Round "3"]
[White "Skvortsov, Andrei"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2126"]
[BlackElo "1711"]
[PlyCount "93"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d4 Bg4 8. dxc5 Bxc5 9. Be2 Bb4+ 10. Nfd2 h5 11. a3 Bd6 12. Nf3 Qe7 13. Nc3 Rd8 14. Nb5 Bb8 15. h3 Bc8 16. Qc2 Kf8 17. Nbd4 Nxd4 18. Bxd4 Kg8 19. Rc1 Ne4 20. Qb2 Bd6 21. b4 Rh6 22. Bxa7 Rg6 23. Rg1 Bf5 24. Bd4 Ra8 25. Be5 Bxh3 26. Bxd6 Qxd6 27. gxh3 Rxg1+ 28. Nxg1 Qh2 29. Bf1 Rxa3 30. Rc2 Ra4 31. Nf3 Qd6 32. Ng5 Nxg5 33. Rc8+ Kh7 34. Qc2+ Qg6 35. Qxa4 Qb1+ 36. Ke2 g6 37. Bg2 d4 38. Qd1 Qf5 39. Rc5 Qe6 40. Rxg5 Qc4+ 41. Qd3 Qa2+ 42. Kf3 f5 43. Qxd4 Kh6 44. h4 Qg8 45. Qf6 Qd5+ 46. Kg3 f4+ 47. Kh2 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.12.01"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Fedorov, Semen K"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1711"]
[BlackElo "1309"]
[PlyCount "61"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 b6 5. cxd5 exd5 6. Bg2 Nbd7 7. 0-0 Bb7 8. Nc3 Bb4 9. Qa4 Bxc3 10. bxc3 0-0 11. Bf4 Re8 12. Rfe1 Ne4 13. Rac1 c5 14. Nd2 Nxd2 15. Bxd2 a6 16. c4 cxd4 17. cxd5 Nf6 18. Bg5 h6 19. Bxf6 Qxf6 20. Rc7 Rab8 21. Rxb7 Ra8 22. Ra7 Rac8 23. Rc7 Rcd8 24. Qxa6 Qd6 25. Rec1 Qb4 26. Qc4 Qa3 27. Rd1 b5 28. Qxd4 Qxa2 29. e4 Rc8 30. d6 Red8 31. e5 1-0

[Event "Khanty-Mansiysk Governor Cup 16th"]
[Site "Khanty-Mansiysk"]
[Date "2020.11.30"]
[Round "1"]
[White "Iljiushenok, Ilia"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2539"]
[BlackElo "1711"]
[PlyCount "113"]
[EventDate "2020.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. c3 d5 7. d4 cxd4 8. exd5 exd5 9. Nxd4 Nge7 10. Be3 0-0 11. Na3 Re8 12. Re1 h5 13. Qd2 h4 14. gxh4 Bg4 15. h3 Bh5 16. Nac2 Ne5 17. Bg5 f6 18. Ne6 Qd6 19. Nxg7 Kxg7 20. Bf4 Nf5 21. Bxe5 Rxe5 22. Rxe5 fxe5 23. Qxd5 Qxd5 24. Bxd5 Rd8 25. c4 Nxh4 26. Ne3 Bf3 27. Rc1 Kf6 28. Rc3 Kg5 29. Kf1 b6 30. b4 e4 31. c5 Nf5 32. Bb3 bxc5 33. bxc5 Rh8 34. Nxf5 gxf5 35. c6 Rxh3 36. Ke1 e3 37. fxe3 Bxc6 38. Rxc6 Rxe3+ 39. Kf2 Re5 40. Ra6 Re7 41. Kf3 Rc7 42. Ra5 Rc3+ 43. Kf2 Rc7 44. Ke3 Kg4 45. Bd1+ Kg5 46. Be2 Re7+ 47. Kf3 Rd7 48. Bc4 Kf6 49. Bf1 Rc7 50. Bd3 Rc3 51. Ke3 f4+ 52. Kd4 Rc7 53. Rf5+ Ke6 54. Rxf4 Kd6 55. Rf6+ Ke7 56. Rh6 Kf8 57. Be4 1-0

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.09.01"]
[Round "11"]
[White "Mamedov, Edgar"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1714"]
[BlackElo "1773"]
[PlyCount "113"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Qc2 g6 7. Bg5 Be7 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. 0-0 0-0 12. Qc2 Re8 13. Rab1 a5 14. a3 b5 15. Ne2 Rc8 16. Nf4 Ne4 17. Bxe7 Qxe7 18. Nd3 f6 19. Rfc1 Kg7 20. Nd2 Nd6 21. Nc5 f5 22. Qc3 a4 23. Nd3 Ne4 24. Qc2 h5 25. Nxe4 fxe4 26. Nc5 Nf6 27. Rf1 Ng4 28. h3 Nh6 29. Rbe1 Nf5 30. f3 exf3 31. Rxf3 Kh7 32. Qf2 Kg8 33. Nd3 Qg5 34. Ne5 Re6 35. Nxg6 Qxg6 36. Rxf5 Kh8 37. Qf3 Qg7 38. Rxh5+ Kg8 39. Qf5 Qf6 40. Qg4+ Kf8 41. Rf5 Rce8 42. Rxf6+ Rxf6 43. Rf1 Rxf1+ 44. Kxf1 Ke7 45. Qg6 Rf8+ 46. Ke2 Rf6 47. Qg7+ Rf7 48. Qg5+ Rf6 49. h4 Kf7 50. h5 c5 51. Qxd5+ Kg7 52. dxc5 Kh6 53. Qd6 Kg5 54. Qxf6+ Kxf6 55. c6 Kg5 56. c7 Kxh5 57. c8Q 1-0

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.31"]
[Round "10"]
[White "Efimov, Leonid"]
[Black "Bharadia, Yash"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1773"]
[BlackElo "1963"]
[PlyCount "82"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. 0-0 Nbd7 5. d3 g6 6. h3 Bxf3 7. Bxf3 Bg7 8. e4 dxe4 9. dxe4 e5 10. Nd2 0-0 11. Qe2 c6 12. Rd1 Qc7 13. Nc4 b5 14. Nd2 Nc5 15. Nb3 Ne6 16. a4 a6 17. Be3 Rfe8 18. Nc5 Nd4 19. Bxd4 exd4 20. axb5 axb5 21. Rxa8 Rxa8 22. Nb3 Rd8 23. Nxd4 Nd7 24. c3 Ne5 25. Bg2 Qd7 26. Ra1 Nc4 27. b3 Bxd4 28. cxd4 Qxd4 29. Rc1 Ne5 30. g4 Qd6 31. Bf1 g5 32. Qe3 Qf6 33. Be2 h6 34. Qb6 Rd2 35. Qe3 Qf4 36. Rc3 b4 37. Qxf4 gxf4 38. Rc5 Nd7 39. Rxc6 Rxe2 40. Rxh6 Rb2 41. Rd6 Nc5 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.30"]
[Round "9"]
[White "Mayank, Chakraborty"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1731"]
[BlackElo "1773"]
[PlyCount "106"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 0-0 10. Be3 Nc6 11. 0-0 e6 12. Rc1 Rfd8 13. b3 a6 14. Qd2 b5 15. Nxc6 Qxc6 16. cxb5 axb5 17. Nd5 Qb7 18. Rc7 Qb8 19. Nxf6+ Bxf6 20. Rfc1 b4 21. Qf2 Bc3 22. Rc4 d5 23. exd5 exd5 24. Rh4 Bf6 25. Rg4 h5 26. Rf4 Bg5 27. Rd4 Rxa2 28. Rd2 Bxe3 29. Qxe3 Rxd2 30. Qxd2 Qa7+ 31. Kf1 Qb8 32. g3 Qb5+ 33. Qe2 Qd7 34. Qd2 h4 35. Kg2 Qb5 36. Rc2 hxg3 37. hxg3 d4 38. Rc4 d3 39. Rh4 g5 40. Rg4 f6 41. Rxb4 Qa5 42. Qe1 Qd5 43. Re4 d2 44. Re8+ Rxe8 45. Qxe8+ Kg7 46. Qe7+ Kg6 47. Qe8+ Kf5 48. Qc8+ Ke5 49. Qc7+ Ke6 50. Qc8+ Ke7 51. Qc7+ Qd7 52. Qc5+ Kf7 53. Qc4+ Kg7 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.29"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Sodbilegt, Naranbold"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1773"]
[BlackElo "1458"]
[PlyCount "116"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 c5 4. 0-0 d5 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. Re1 0-0 10. Bg5 h6 11. Bxf6 Qxf6 12. Nbd2 e5 13. Ne4 Qd8 14. Nxd6 Qxd6 15. b4 Nxb4 16. Rxe5 Bg4 17. Re4 f5 18. Re1 f4 19. Re4 Rae8 20. Rxe8 Rxe8 21. Qb3 Kh8 22. Rb1 a5 23. a3 fxg3 24. hxg3 Bxf3 25. Bxf3 Qf6 26. Be4 Rf8 27. Rf1 Na6 28. Qxb7 Nc5 29. Qd5 Nb3 30. f4 Nd2 31. Rf2 Rd8 32. Qf5 Nxe4 33. Qxe4 Rb8 34. Kg2 Rb3 35. a4 Rb8 36. Qe5 Qc6+ 37. Qe4 Qxe4+ 38. dxe4 Rb4 39. c5 Rxa4 40. c6 Rc4 41. Rd2 a4 42. c7 Rxc7 43. Rxd4 Ra7 44. Rd2 a3 45. Ra2 g6 46. Kf3 Kg7 47. Ke3 Ra4 48. Kf3 Kf6 49. Ke3 Ke6 50. Kd3 Kd6 51. g4 g5 52. fxg5 hxg5 53. Ke3 Kc5 54. Kd3 Kb4 55. Kc2 Kc4 56. e5 Kd5 57. Kb3 Rxg4 58. Rxa3 Rg3+ 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.28"]
[Round "7"]
[White "Materia, Marco"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "E40"]
[WhiteElo "2236"]
[BlackElo "1773"]
[PlyCount "90"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 e5 6. dxe5 dxc4 7. Qa4+ Nc6 8. Bxc4 Ne4 9. a3 Bxc3+ 10. bxc3 Nc5 11. Qd1 Qe7 12. Nf3 Bg4 13. Be2 Bxf3 14. gxf3 Rd8 15. Qc2 Nxe5 16. 0-0 Rd6 17. Qf5 0-0 18. e4 Nb3 19. Rb1 Nxc1 20. Rfxc1 Rf6 21. Qh3 Ng6 22. Kh1 Nf4 23. Qf1 Rh6 24. Bc4 Qh4 25. Qg1 Rg6 26. Qg3 Rxg3 27. fxg3 Qh5 28. Rf1 Qc5 29. gxf4 Qxc4 30. Rg1 Qxc3 31. Rg3 Rd8 32. Rbg1 Rd3 33. e5 g6 34. Rf1 c5 35. f5 Qxe5 36. fxg6 fxg6 37. f4 Qe4+ 38. Rg2 Rd2 39. Rfg1 c4 40. f5 c3 41. fxg6 hxg6 42. h3 c2 43. Kh2 Rxg2+ 44. Rxg2 c1Q 45. Rxg6+ Qxg6 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.27"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Xie, Bryan"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1773"]
[BlackElo "1696"]
[PlyCount "121"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 6. Nbd2 Bf5 7. c4 c6 8. Qb3 Qc8 9. Ne5 Nbd7 10. cxd5 cxd5 11. Bxd5 Nxd5 12. Qxd5 Nxe5 13. dxe5 Rd8 14. Qb5 a6 15. Qb4 Bxe5 16. Qxe7 Re8 17. Qb4 Bh3 18. Re1 Qc6 19. Nf3 Bd6 20. Qb3 Rac8 21. Be3 Qe4 22. Rad1 Be6 23. Qd3 Qxd3 24. Rxd3 Bb4 25. Ra1 Rc2 26. a3 Bf8 27. Rd2 Rxd2 28. Bxd2 Bc4 29. e3 Rd8 30. Bc3 Be7 31. Nd2 Bd3 32. Re1 Rc8 33. e4 Bxa3 34. Re3 Rxc3 35. bxc3 Bc2 36. Kf1 Bc5 37. Re1 Bd3+ 38. Kg2 b6 39. Ra1 a5 40. Nb3 Be7 41. Kf3 Kf8 42. Ke3 Bb5 43. Nd4 Bc5 44. Kd2 Ba6 45. f3 Ke8 46. Nc6 Bb7 47. Ne5 f6 48. Nd3 Be7 49. Rb1 Bd8 50. Nc5 Bc6 51. Ne6 b5 52. Nd4 Kd7 53. Nxb5 f5 54. Nd4 fxe4 55. Nxc6 Kxc6 56. fxe4 Bf6 57. Kd3 h5 58. Kc4 Be5 59. Rb5 Bxc3 60. Rc5+ Kb6 61. Rg5 1-0

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.25"]
[Round "5"]
[White "Woodward, Andy"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1522"]
[BlackElo "1773"]
[PlyCount "122"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[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 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Ne2 Nd7 9. Qd6 a5 10. Bc3 Ngf6 11. b3 Qf5 12. f3 Qc5 13. Qxc5 Nxc5 14. Bxf6 gxf6 15. Nc3 e5 16. 0-0-0 f5 17. Bd3 Be6 18. Bc2 f6 19. Rhe1 h5 20. Ne2 h4 21. Kb2 Ke7 22. a3 Rhg8 23. g3 Rh8 24. f4 hxg3 25. hxg3 Rh2 26. Kb1 Rg8 27. Nc1 e4 28. Rg1 Bf7 29. Rde1 Ne6 30. g4 Rxc2 31. Kxc2 Nd4+ 32. Kc3 Nf3 33. Ref1 Nxg1 34. Rxg1 fxg4 35. f5 c5 36. Ne2 Be8 37. Ng3 Bc6 38. Rd1 Rh8 39. Rh1 Rxh1 40. Nxh1 e3 41. Ng3 Bf3 42. Kd3 e2 43. Nxe2 Bxe2+ 44. Kxe2 Kd6 45. Kf2 Ke5 46. Kg3 Kxf5 47. a4 b6 48. Kg2 Kf4 49. Kf2 g3+ 50. Kg2 Kg4 51. Kf1 f5 52. Kg1 f4 53. Kf1 f3 54. Kg1 f2+ 55. Kg2 Kf4 56. b4 axb4 57. a5 bxa5 58. Kf1 b3 59. Kg2 b2 60. Kh3 b1Q 61. Kh4 Qh7# 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.22"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Xiong, Junyi"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1773"]
[BlackElo "1440"]
[PlyCount "86"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 Be7 6. d4 0-0 7. Nc3 d6 8. Re1 Nbd7 9. e4 e5 10. b3 a5 11. Bb2 Re8 12. Qc2 exd4 13. Nxd4 Bf8 14. Rad1 Nc5 15. f4 Nfd7 16. a3 g6 17. b4 axb4 18. axb4 Ne6 19. e5 Bxg2 20. Qxg2 Nxd4 21. Rxd4 dxe5 22. fxe5 Bd6 23. exd6 Rxe1+ 24. Kf2 Qe8 25. Ne4 Rb1 26. Rd2 Ra2 27. Kf3 cxd6 28. Bd4 Rb3+ 29. Kf4 Rxd2 30. Qxd2 Qe6 31. g4 Ne5 32. Kg5 Nf3+ 33. Kh6 Nxd2 34. Nf6+ Kf8 35. Nxh7+ Ke7 36. Bf6+ Ke8 37. Kg7 Rh3 38. Ng5 Qxg4 39. Nxh3 Qxh3 40. Bd4 Ne4 41. Bxb6 Qc3+ 42. Kh7 Kf8 43. h4 Qg7# 0-1

[Event "Wch U10"]
[Site "Weifang"]
[Date "2019.08.21"]
[Round "1"]
[White "Yang, Siyuan"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1234"]
[BlackElo "1773"]
[PlyCount "156"]
[EventDate "2019.08.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d4 Nf6 5. 0-0 Nbd7 6. c4 dxc4 7. Nbd2 b5 8. a4 a6 9. Qc2 Nd5 10. h3 Bh5 11. b3 c3 12. Nb1 b4 13. e4 N5f6 14. g4 Bg6 15. Nh4 Nb6 16. Be3 e6 17. g5 Nfd5 18. Nxg6 Nxe3 19. fxe3 hxg6 20. Qf2 Ra7 21. h4 e5 22. Ra2 Bd6 23. a5 Nc8 24. Ra4 Qe7 25. Bh3 0-0 26. Qe2 exd4 27. exd4 c5 28. d5 Qe5 29. Rf3 Ne7 30. Re3 c4 31. bxc4 Bc5 32. Nxc3 Qxc3 33. Kf2 Bxe3+ 34. Qxe3 Qc2+ 35. Kf3 Qxa4 36. Qxa7 b3 37. Qb7 Qxc4 38. d6 Qd3+ 39. Kg2 Qxd6 40. Qxb3 Qe5 41. Qb4 Nc6 42. Qc4 Nxa5 43. Qxa6 Qxe4+ 44. Kh2 Qc2+ 45. Kg3 Nc4 46. Qc6 Qd3+ 47. Kh2 Qd6+ 48. Qxd6 Nxd6 49. Kg3 Rb8 50. Bg4 Rb3+ 51. Kf4 Rb4+ 52. Kf3 Nf5 53. h5 Rxg4 54. Kxg4 gxh5+ 55. Kxf5 g6+ 56. Kf4 Kf8 57. Ke5 Ke7 58. Kf4 Ke6 59. Ke4 f5+ 60. gxf6 Kxf6 61. Kf4 g5+ 62. Kg3 Kf5 63. Kf3 h4 64. Kg2 Kf4 65. Kf2 h3 66. Kg1 g4 67. Kf2 g3+ 68. Kg1 h2+ 69. Kh1 Kf5 70. Kg2 Ke4 71. Kh1 Kf4 72. Kg2 h1Q+ 73. Kxh1 Kf3 74. Kg1 g2 75. Kh2 Kf2 76. Kh3 g1Q 77. Kh4 Qg6 78. Kh3 Qg3# 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.10"]
[Round "9"]
[White "Rudnev, Andrei"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1607"]
[BlackElo "1773"]
[PlyCount "111"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Nge7 8. Bh6 Bxh6 9. Qxh6 Nd4 10. Qd2 Be6 11. Nce2 d5 12. c3 Ndc6 13. Nf3 0-0 14. Qh6 f6 15. h4 dxe4 16. dxe4 Bc4 17. Qe3 Qd3 18. Nd2 Qxe3 19. fxe3 Be6 20. 0-0-0 Rfd8 21. Kc2 a5 22. a4 c4 23. b3 cxb3+ 24. Nxb3 Bc4 25. Nec1 b5 26. Nd2 Rdb8 27. Nxc4 bxc4 28. Bf1 Rc8 29. Bxc4+ Kh8 30. Be6 Rd8 31. Rd7 Rxd7 32. Bxd7 Rd8 33. Bxc6 Nxc6 34. Rd1 Rxd1 35. Kxd1 Kg7 36. Ke2 f5 37. exf5 gxf5 38. e4 Kf6 39. Kf3 Nd8 40. Nb3 Nc6 41. exf5 Kxf5 42. g4+ Kf6 43. Ke4 Ke6 44. c4 Kf6 45. g5+ Ke6 46. c5 Ke7 47. Kd5 Kd7 48. h5 Kc7 49. Nxa5 Nxa5 50. Kxe5 Nc6+ 51. Kf6 Nd4 52. g6 hxg6 53. hxg6 Kc6 54. g7 Kxc5 55. g8Q Kb4 56. Qg4 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.09"]
[Round "8"]
[White "Efimov, Leonid"]
[Black "Villa Tornero, Alex"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1773"]
[BlackElo "1641"]
[PlyCount "106"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. 0-0 c5 6. Bf4 Qb6 7. Nc3 d6 8. dxc5 dxc5 9. a4 a6 10. a5 Qa7 11. Bd6 Nc6 12. Bxf8 Rxf8 13. Qd2 Ke7 14. Qg5 h6 15. Qh4 Nb4 16. Rac1 Rad8 17. e4 Qa8 18. Rfe1 Rh8 19. Qf4 Qc8 20. Nd2 Rd7 21. e5 Nfd5 22. Nxd5+ Bxd5 23. Bxd5 Rxd5 24. Ne4 Rd4 25. Nd6 Qf8 26. Qf3 Rd5 27. Red1 Rxe5 28. Qb7+ Kf6 29. f4 Rd5 30. Ne4+ Kg6 31. c3 Nd3 32. c4 bxc4 33. Rxc4 Nxf4 34. Rxd5 Nxd5 35. Nxc5 Qd6 36. Qxa6 Qe5 37. Re4 Qxb2 38. Qd3 Kf6 39. Qf1+ Ke7 40. a6 Qb6 41. Qc4 Rc8 42. Qxd5 Rxc5 43. Qd4 Rc1+ 44. Kf2 Qxd4+ 45. Rxd4 Ra1 46. Rb4 Rxa6 47. Rb7+ Kf6 48. Kf3 h5 49. Kf4 g5+ 50. Kf3 Ra4 51. Ke3 Ra2 52. h4 gxh4 53. gxh4 Ra4 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.08"]
[Round "7"]
[White "Sauer, Tim"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1625"]
[BlackElo "1773"]
[PlyCount "104"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Bg2 Nf6 5. 0-0 Nbd7 6. Qc2 Nb6 7. Na3 Bxa3 8. bxa3 Bd7 9. Bb2 Ba4 10. Qc3 Bc6 11. Qe5 Qd6 12. Qg5 Nbd7 13. Qxg7 Rg8 14. Qh6 Rg6 15. Qh4 Bd5 16. Rfe1 0-0-0 17. Bxf6 Nxf6 18. e4 Bc6 19. e5 Qxa3 20. Qxc4 Bxf3 21. Re3 Bd5 22. Qxd5 Qb2 23. Qxb7+ Qxb7 24. Bxb7+ Kxb7 25. exf6 Rxd2 26. Rf3 Rg5 27. Rb1+ Kc8 28. Ra3 Rf5 29. f4 Rxf6 30. Rxa7 Rc2 31. Rb3 e5 32. Ra8+ Kd7 33. Rd3+ Ke7 34. Re3 Rd6 35. Rxe5+ Kf6 36. Re1 Rdd2 37. Ra6+ Kg7 38. a4 Rg2+ 39. Kh1 Rxh2+ 40. Kg1 Rcg2+ 41. Kf1 Ra2 42. Kg1 Rag2+ 43. Kf1 Rxg3 44. a5 h5 45. Ra8 Ra3 46. Kg1 Raa2 47. a6 h4 48. a7 h3 49. Rg8+ Kxg8 50. a8Q+ Kg7 51. Kf1 Rxa8 52. Kg1 Raa2 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.07"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Asikainen, Eeli"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1773"]
[BlackElo "1542"]
[PlyCount "98"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 c5 4. 0-0 Nc6 5. d4 Nf6 6. c4 Be7 7. cxd5 exd5 8. Be3 cxd4 9. Nxd4 0-0 10. Nc3 Re8 11. Rc1 Bf8 12. Qd3 Ne5 13. Qb1 Nc4 14. Bg5 Be7 15. Rfd1 Be6 16. e4 Nxe4 17. Bxe7 Qxe7 18. Nxe4 dxe4 19. Bxe4 Ne5 20. Nxe6 Qxe6 21. Bxh7+ Kh8 22. Be4 Qb6 23. Qc2 Ng4 24. Rd2 Qb4 25. Bf5 Ne5 26. Qd1 Qxd2 27. Qxd2 Nf3+ 28. Kg2 Nxd2 29. Rc7 Ne4 30. h4 Nd6 31. Bd3 Rac8 32. Rd7 Rc6 33. Kf3 Kg8 34. h5 Nc4 35. Bxc4 Rxc4 36. Rxb7 Rc2 37. g4 Ree2 38. g5 Rxf2+ 39. Ke4 Rxb2 40. Rxa7 Rxa2 41. Rb7 Rg2 42. Rb5 Ra4+ 43. Kf5 Rag4 44. Rb8+ Kh7 45. g6+ fxg6+ 46. hxg6+ Rxg6 47. Rb1 Rf6+ 48. Ke5 Re2+ 49. Kd5 Rf8 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.06"]
[Round "5"]
[White "Azadaliyev, Jahandar"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1905"]
[BlackElo "1773"]
[PlyCount "119"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 0-0 5. Bg2 d5 6. Nf3 dxc4 7. 0-0 c5 8. dxc5 Qxd1 9. Rxd1 Bd7 10. Ne5 Bc6 11. Be3 Bxg2 12. Kxg2 Na6 13. c6 Bxc3 14. cxb7 Bxe5 15. bxa8Q Rxa8 16. Rac1 Nd5 17. Rxc4 Nxe3+ 18. fxe3 h6 19. b4 Rb8 20. a3 Nc7 21. Rc5 Nd5 22. Kf3 Bb2 23. Ra5 Rb7 24. Rd3 Kf8 25. e4 Nb6 26. Rc5 Ke7 27. Rc2 Bf6 28. b5 Nd7 29. Rb3 Ne5+ 30. Kg2 Kd7 31. a4 Bd8 32. Rc5 Kd6 33. Rc8 Ba5 34. Rb1 Rc7 35. Rd1+ Ke7 36. Ra8 Bb6 37. Rd2 Nc4 38. Ra2 Ne3+ 39. Kf3 Nc4 40. Kg2 g5 41. e3 Nxe3+ 42. Kf3 g4+ 43. Ke2 Nc4 44. Rc2 Kd6 45. Rd8+ Ke5 46. Kd3 Nd6 47. Rxc7 Bxc7 48. Rd7 Bb6 49. a5 Bg1 50. b6 Nxe4 51. bxa7 Bxa7 52. Rxa7 Nd6 53. a6 Nc8 54. Rxf7 Kd5 55. a7 Nb6 56. Rf8 e5 57. a8Q+ Nxa8 58. Rxa8 e4+ 59. Ke3 Ke5 60. Ra5+ 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.05"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Gordeev, Denis"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1773"]
[BlackElo "1478"]
[PlyCount "109"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nc3 d6 5. Nf3 Nf6 6. Bc4 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 Na6 10. Re1 Nc7 11. Bf4 Nd7 12. Qd1 Ne5 13. Bf1 a6 14. a4 b6 15. Bh2 g5 16. Qh5 e6 17. Rad1 Qf6 18. Bg3 Rad8 19. f4 Qg6 20. Qxg5 Qxg5 21. fxg5 Rfe8 22. Be2 Rd7 23. h4 Red8 24. h5 Kf8 25. Bh4 Re8 26. Rf1 Kg8 27. Kh1 Rb8 28. Ra1 exd5 29. Nxd5 Nxd5 30. exd5 b5 31. axb5 axb5 32. Ra6 Nc4 33. Bg4 Rc7 34. Re1 Bxb2 35. Bg3 Be5 36. Bxe5 Nxe5 37. Bf5 Rd8 38. Rb6 b4 39. Ra1 Nc4 40. Rba6 Ne3 41. Ra8 Rf8 42. Bxh7+ Kg7 43. h6+ Kxh7 44. Rxf8 Nxd5 45. Raa8 Ne3 46. Rh8+ Kg6 47. Rhg8+ Kf5 48. h7 Nxc2 49. h8Q b3 50. Qf6+ Ke4 51. Rge8+ Kd3 52. Qf3+ Kd2 53. Re2+ Kc1 54. Ra1+ Kb2 55. Qf6# 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.04"]
[Round "3"]
[White "Shearsby, Jude"]
[Black "Efimov, Leonid"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1532"]
[BlackElo "1773"]
[PlyCount "102"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nc3 Nf6 5. Nb5 Qa5+ 6. c3 cxd4 7. exd4 e5 8. dxe5 Bg4 9. f3 Nh5 10. Be3 Be6 11. g4 d4 12. Nxd4 Qxe5 13. Nxc6 Qxe3+ 14. Qe2 Qb6 15. Nd4 Nf4 16. Qb5+ Bd7 17. Qxb6 axb6 18. Bc4 Bd6 19. 0-0-0 h5 20. Nb5 Bxb5 21. Bxb5+ Ke7 22. Kb1 f6 23. Ne2 Nxe2 24. Rhe1 Rad8 25. Rxe2+ Kf7 26. gxh5 Be5 27. Bc4+ Ke7 28. Rg1 Kf8 29. Reg2 Rd7 30. Be6 Re7 31. Bg4 f5 32. Bxf5 Rxh5 33. Be4 Rxh2 34. Rxh2 Bxh2 35. Rg6 Bc7 36. Bxb7 Kf7 37. Rg2 Kf6 38. Be4 g5 39. Kc2 Rg7 40. Kb3 Ke5 41. Rg4 Bd8 42. Kc4 Ra7 43. a3 Ra4+ 44. Kd3 Ra7 45. Rg2 Rd7+ 46. Ke3 Be7 47. Rd2 Bc5+ 48. Ke2 Rxd2+ 49. Kxd2 g4 50. Ke2 Kf4 51. Bc6 g3 1/2-1/2

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.03"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Dimitrov, Martin"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1773"]
[BlackElo "1473"]
[PlyCount "83"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. g3 h6 4. Bg2 e6 5. 0-0 Nf6 6. c4 c6 7. Qb3 Qc8 8. Nc3 Be7 9. Nd2 Nbd7 10. e4 dxe4 11. Ndxe4 0-0 12. Bf4 Nb6 13. Rfd1 Rd8 14. Rac1 Nxe4 15. Nxe4 Rd7 16. Nc5 Rd8 17. a4 Bxc5 18. dxc5 Nd7 19. Bd6 a5 20. Qe3 Re8 21. Rd2 Nf6 22. h3 e5 23. g4 Bg6 24. Qc3 e4 25. Re1 Re6 26. Re3 Ne8 27. Bf4 Nf6 28. Bd6 Ne8 29. Be5 f6 30. Bd4 Nc7 31. Rde2 Qe8 32. Qe1 Qf7 33. Bxe4 Bxe4 34. Rxe4 Rxe4 35. Rxe4 Qxc4 36. Bxf6 Qxc5 37. Bxg7 Kxg7 38. Re7+ Kf8 39. Rxc7 Re8 40. Qd2 Kg8 41. Rd7 b6 42. Qxh6 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.02"]
[Round "1"]
[White "Hasanli, Ziya"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1348"]
[BlackElo "1773"]
[PlyCount "72"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[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 c6 4. cxd5 exd5 5. Qc2 g6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nf6 9. Nf3 Be7 10. Bd2 0-0 11. 0-0 Nbd7 12. Rac1 Re8 13. Rfe1 Bd6 14. e4 dxe4 15. Nxe4 Nxe4 16. Rxe4 Rxe4 17. Qxe4 Nf6 18. Qd3 Qb6 19. Bg5 Nd5 20. Qe2 Bf4 21. Bxf4 Nxf4 22. Qd2 Ne6 23. g3 Rd8 24. Rd1 a5 25. Qc3 Rd5 26. Rd2 Qd8 27. Qe3 Qd6 28. Qh6 Nxd4 29. Nxd4 Rxd4 30. Re2 Rd1+ 31. Kg2 Qf8 32. Qg5 Qd8 33. Qe7 Qd5+ 34. Kh3 Rd4 35. Qe8+ Kg7 36. a3 Rh4+ 0-1

[Event "EU-ch U10 28th"]
[Site "Riga"]
[Date "2018.08.22"]
[Round "3"]
[White "Kuhn, Clement"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2023"]
[BlackElo "1658"]
[PlyCount "83"]
[EventDate "2018.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. c3 d5 7. Ne5 Bd6 8. Bf4 0-0 9. c4 cxd4 10. Qxd4 Bc5 11. Qd1 Ne4 12. Qc2 Nxf2 13. Rxf2 Bxf2+ 14. Kxf2 g5 15. Bd2 Qf6+ 16. Nf3 g4 17. Bg5 Qg7 18. Qd2 gxf3 19. Bxf3 Re8 20. Nc3 f6 21. Bh6 Qe7 22. cxd5 Rd8 23. d6 Rxd6 24. Qxd6 Qxd6 25. Bxb7 Qc5+ 26. Kg2 Qb4 27. Rb1 Nc6 28. Bxa8 Ne5 29. Be4 f5 30. Bc2 Ng4 31. Bf4 e5 32. Bxf5 exf4 33. Bxg4 fxg3 34. Be6+ Kg7 35. hxg3 a5 36. a3 Qc5 37. Rf1 b5 38. Rf4 b4 39. axb4 axb4 40. Rg4+ Kf8 41. Nd5 b3 42. Rg8# 1-0

[Event "EU-ch U10 28th"]
[Site "Riga"]
[Date "2018.08.21"]
[Round "2"]
[White "Efimov, Leonid"]
[Black "Soucek, Jan"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1658"]
[BlackElo "1492"]
[PlyCount "97"]
[EventDate "2018.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. d3 Nbd7 6. Nh4 Bg6 7. Qe1 e6 8. e4 dxe4 9. dxe4 Bc5 10. a4 0-0 11. Nxg6 hxg6 12. Na3 Qc7 13. b4 Be7 14. Nc4 Rfd8 15. Qc3 e5 16. Bb2 Rac8 17. f4 exf4 18. gxf4 c5 19. b5 Nb6 20. a5 Nxc4 21. Qxc4 Kf8 22. e5 Ng4 23. Qe4 Nh6 24. Qxb7 Qxb7 25. Bxb7 Rb8 26. a6 c4 27. Ba3 Nf5 28. Bxe7+ Nxe7 29. Rfd1 Rxd1+ 30. Rxd1 Ke8 31. b6 Nc8 32. Bxc8 Rxc8 33. b7 Rb8 34. Kf2 Ke7 35. Rd6 f6 36. h4 Rf8 37. Ke3 Rb8 38. Kd4 c3 39. Kc5 g5 40. hxg5 fxg5 41. fxg5 g6 42. Kc6 Kf7 43. Kc7 Rf8 44. Rf6+ Ke7 45. b8Q Rh8 46. Rf7+ Kxf7 47. Qxh8 Ke7 48. Qf6+ Ke8 49. Qxg6+ 1-0

[Event "EU-ch U10 28th"]
[Site "Riga"]
[Date "2018.08.20"]
[Round "1"]
[White "Burak, Vyacheslav"]
[Black "Efimov, Leonid"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1236"]
[BlackElo "1658"]
[PlyCount "99"]
[EventDate "2018.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. e4 cxd4 6. Nxd4 d6 7. Be3 Ng4 8. Bg5 Qb6 9. Be3 Nxe3 10. fxe3 Qxb2 11. Nd5 Bg4 12. Rb1 Qxa2 13. Ra1 Qb2 14. Qa4+ Nc6 15. h3 Bxd4 16. exd4 Qxd4 17. hxg4 Qxe4+ 18. Kf2 Qd4+ 19. Kg3 Qe5+ 20. Kf2 Qd4+ 21. Kg3 0-0 22. Re1 e6 23. Nf4 Qc3+ 24. Kf2 Qd2+ 25. Ne2 Ne5 26. Rd1 Nxg4+ 27. Kf3 Qg5 28. g3 Qf5+ 29. Nf4 Ne5+ 30. Ke3 g5 31. Bd3 gxf4+ 32. gxf4 Nxd3 33. Rxd3 e5 34. fxe5 dxe5 35. Rd2 Qf4+ 36. Kd3 Qf3+ 37. Kc2 Qxh1 38. Qd7 Qe4+ 39. Kd1 Rad8 40. Qxd8 Rxd8 41. Rxd8+ Kg7 42. Rd2 Qd4 43. Rxd4 exd4 44. Kd2 Kf6 45. Kd3 Ke5 46. c5 Kd5 47. c6 bxc6 48. Kd2 c5 49. Kc2 c4 50. Kd2 0-1

[Event "EU School-ch U09"]
[Site "Budva"]
[Date "2017.06.16"]
[Round "6"]
[White "Efimov, Leonid"]
[Black "Kote, Alex"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1438"]
[BlackElo "1035"]
[PlyCount "82"]
[EventDate "2017.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Nd4 c5 5. Nc2 Be7 6. g3 d6 7. Bg2 Bf5 8. Ne3 Bg6 9. b3 0-0 10. 0-0 Re8 11. Bb2 Nc6 12. Ned5 h6 13. Nb5 Nxd5 14. cxd5 Nb4 15. Nc3 Qd7 16. a3 Na6 17. Nxe4 Bxe4 18. Bxe4 Bh4 19. Bg2 Bd8 20. d4 Qb5 21. Re1 Rc8 22. a4 Qd7 23. dxc5 Nxc5 24. b4 Ne4 25. Qd3 Nf6 26. e4 Bc7 27. Bxf6 gxf6 28. Qd4 Bd8 29. Qxa7 Rc4 30. b5 Re5 31. f4 Re8 32. Qf2 Qc7 33. Qf3 Qc5+ 34. Qf2 Qc7 35. Qf3 Qc5+ 36. Kh1 Rc3 37. Qg4+ Kh7 38. Qd7 Rf8 39. Qxb7 Qb4 40. Reb1 Qd4 41. a5 Rc2 1-0

[Event "EU School-ch U09"]
[Site "Budva"]
[Date "2017.06.14"]
[Round "5.6"]
[White "Birks, Joe H"]
[Black "Efimov, Leonid"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1262"]
[BlackElo "1438"]
[PlyCount "65"]
[EventDate "2017.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bb3 Nc6 9. Be3 Bd7 10. h3 Rc8 11. f4 Qb6 12. Nf5 Qb4 13. Nxg7 Kxg7 14. Nd5 Qxe4 15. Qd2 Nxd5 16. Bxd5 Qb4 17. c3 Qa5 18. b4 Qc7 19. f5 Kg8 20. fxg6 hxg6 21. Bh6 Ne5 22. Bxf8 Rxf8 23. Rf4 e6 24. Bb3 Bc6 25. Rh4 Bf3 26. Qh6 Bh5 27. Qe3 Qc6 28. Rf1 Qb6 29. Qxb6 axb6 30. g4 g5 31. Rxh5 f6 32. Bxe6+ Kg7 33. Bf5 1-0

[Event "EU School-ch U09"]
[Site "Budva"]
[Date "2017.06.14"]
[Round "4"]
[White "Efimov, Leonid"]
[Black "Kolesov, Gordey"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1438"]
[BlackElo "1711"]
[PlyCount "104"]
[EventDate "2017.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 Bf5 5. c4 e6 6. 0-0 Be7 7. Nbd2 0-0 8. Nh4 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nxg6 hxg6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Nd7 15. Qb3 Qb6 16. Be3 Rfd8 17. d5 Qxb3 18. axb3 Nf6 19. Bg2 exd5 20. g5 Ne4 21. Bxe4 dxe4 22. Rfe1 Rd3 23. Bc1 a6 24. Rxe4 Rd1+ 25. Kg2 Bxg5 26. f4 f5 27. fxg5 fxe4 28. Kf2 Rad8 29. Ke2 R8d2+ 30. Ke3 Rc2 31. Kxe4 Rcxc1 32. Ra4 Rc2 33. Rb4 b5 34. cxb5 cxb5 35. Kf4 Rxb2 36. Kg4 Rd3 37. Rf4 Rbxb3 38. Re4 Rg3+ 39. Kh4 Rxh3+ 40. Kg4 Rbg3+ 41. Kf4 Rh4+ 42. Kxg3 Rxe4 43. Kf3 Rc4 44. Ke3 a5 45. Kd3 a4 46. Ke3 a3 47. Kd3 a2 48. Ke3 a1Q 49. Kf3 Qe1 50. Kg2 Qe3 51. Kf1 Qd2 52. Kg1 Rc1# 0-1

