[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.04.28"]
[Round "7"]
[White "Efremov, Igor"]
[Black "Eckert, Lutz"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1508"]
[BlackElo "1507"]
[PlyCount "80"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nf3 0-0 6. Be2 c5 7. d5 Na6 8. h3 Nd7 9. 0-0 Rb8 10. Nb5 Ra8 11. Rb1 Nc7 12. Nc3 e5 13. dxe6 Nxe6 14. Be3 Ne5 15. Nb5 Nxf3+ 16. Bxf3 Be5 17. Bh6 Re8 18. Qd2 a6 19. Nc3 Bxc3 20. Qxc3 Qh4 21. Be3 Ng5 22. Bxg5 Qxg5 23. Kh2 Qe5+ 24. Qxe5 dxe5 25. Rbd1 Be6 26. b3 Red8 27. g4 Rd4 28. Rxd4 exd4 29. Be2 f6 30. f4 Bf7 31. Bd3 Re8 32. h4 h6 33. Rg1 Kg7 34. Kg3 a5 35. a4 b6 36. Re1 Be6 37. f5 Bf7 38. fxg6 Bxg6 39. h5 Bh7 40. Kf4 Re5 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.03.31"]
[Round "6"]
[White "Baeuerlein, Johannes"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "1521"]
[BlackElo "1508"]
[PlyCount "49"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nge2 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. h3 Bd7 10. Qd2 Nxd4 11. Bxd4 h5 12. Be3 Kh7 13. f4 Qc8 14. f5 gxf5 15. exf5 Bxf5 16. Rxf5 Qe6 17. Bd3 Kh8 18. Bh6 Rg8 19. Bxg7+ Rxg7 20. Re1 Qd7 21. Nd5 Nxd5 22. Rxd5 Qxh3 23. Qh6+ Kg8 24. Qxg7+ Kxg7 25. gxh3 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.03.24"]
[Round "5"]
[White "Zucker, Stefan"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1810"]
[BlackElo "1508"]
[PlyCount "33"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 b6 6. Bc4 Nd7 7. e5 dxe5 8. Qf3 Ngf6 9. Qxa8 exd4 10. Bxd4 e5 11. Be3 0-0 12. Bxa6 Ng4 13. 0-0-0 Nxe3 14. fxe3 Qg5 15. Bxc8 Qxe3+ 16. Kb1 Nc5 17. Qf3 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.03.10"]
[Round "4"]
[White "Efremov, Igor"]
[Black "Heiseke, Gerhard"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1508"]
[BlackElo "1222"]
[PlyCount "51"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. Nc3 a6 5. Ba4 b5 6. Bb3 b4 7. Na4 Rb8 8. c4 Nb6 9. Nf3 Bf5 10. 0-0 Bd3 11. Nxb6 cxb6 12. Ne5 Bxf1 13. Nc6 Qd6 14. Nxb8 Bxc4 15. Bxc4 b5 16. Nxa6 Qxa6 17. Bb3 Qd6 18. Qf3 g6 19. d4 Bg7 20. Bf4 Qd8 21. d6 e6 22. d5 Nxd5 23. Bxd5 exd5 24. Re1+ Kf8 25. Qxd5 Bxb2 26. Re7 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.02.11"]
[Round "3"]
[White "Nagel, Detlev"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1350"]
[BlackElo "1508"]
[PlyCount "50"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. f4 Nf6 2. Nc3 d5 3. d4 e6 4. Nf3 c5 5. e3 Nc6 6. Ne5 c4 7. Be2 Bb4 8. 0-0 Bxc3 9. bxc3 Ne4 10. Bb2 0-0 11. Qe1 Ne7 12. Ba3 Re8 13. Bf3 Nd6 14. g4 f6 15. Bxd6 Qxd6 16. Nxc4 dxc4 17. a4 a5 18. Qe2 Nd5 19. Bxd5 exd5 20. Qf3 Qe6 21. Kh1 Qxe3 22. Qxd5+ Be6 23. Qb5 Rad8 24. h4 Bd5+ 25. Kh2 Qe2+ 0-1

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.01.28"]
[Round "2"]
[White "Efremov, Igor"]
[Black "Basic, Miroslav"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1508"]
[BlackElo "1385"]
[PlyCount "72"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 c6 6. Be3 Bg4 7. Qf2 Qb6 8. Rb1 e6 9. h3 Bh5 10. g4 Bg6 11. d5 Qb4 12. a3 Qa5 13. b4 Qxa3 14. Rb3 Qa1+ 15. Kd2 exd5 16. Bg2 Ne4+ 17. Nxe4 Bxe4 18. Nf3 Qa2 19. Ne1 Bxc2 20. Nxc2 Qxb3 21. Bc5 Bxc5 22. Qxc5 Nd7 23. Re1+ Kd8 24. Qe7+ Kc7 25. Re3 Qc4 26. Bxd5 Qxd5+ 27. Rd3 Qg2+ 28. Kc3 Rad8 29. Ne3 Qh2 30. Nc4 b5 31. Qe3 Kb8 32. Na5 Qe5+ 33. Kc2 Qxe3 34. Rxe3 Kc7 35. Re7 Rhf8 36. Nb3 Kb6 0-1

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2012.01.14"]
[Round "1"]
[White "Kleinschroth, Roland"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1993"]
[BlackElo "1508"]
[PlyCount "41"]
[EventDate "2012.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Be7 5. Bc4 a6 6. a4 b6 7. 0-0 Bb7 8. d3 Nh6 9. f5 Nd4 10. fxe6 dxe6 11. Kh1 Nxf3 12. Qxf3 Bg5 13. Bxe6 fxe6 14. Qh5+ g6 15. Qxg5 Qxg5 16. Bxg5 Nf7 17. Bf6 0-0 18. Kg1 Bc6 19. h3 b5 20. Be7 Rfe8 21. Bxc5 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.04.02"]
[Round "7"]
[White "Zakidyshev, Gennadiy"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1970"]
[BlackElo "1493"]
[PlyCount "59"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Nc3 Bb4 5. Qc2 Ne7 6. Nf3 0-0 7. Bd3 f5 8. e5 h6 9. a3 Bxc3+ 10. Qxc3 Ng6 11. Rg1 Nh4 12. Be2 Nxf3+ 13. Bxf3 c6 14. Bd2 g5 15. 0-0-0 Rf7 16. Bh5 Rg7 17. h4 f4 18. g3 Qf8 19. hxg5 hxg5 20. gxf4 Qf5 21. Rg4 gxf4 22. Rdg1 Rxg4 23. Rxg4+ Kh8 24. Qh3 Qh7 25. Bxf4 Na6 26. Bg5 Rf8 27. Bf6+ Rxf6 28. exf6 c5 29. f7 Qh6+ 30. f4 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.03.26"]
[Round "6"]
[White "Efremov, Igor"]
[Black "Celik, Abdullah1111"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1493"]
[BlackElo "1885"]
[PlyCount "60"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bb5 a6 6. Bxc6 dxc6 7. d4 cxd4 8. cxd4 Bg4 9. 0-0 e6 10. Be3 Qb6 11. Nbd2 Rd8 12. Qa4 Be7 13. Rfc1 0-0 14. h3 Bxf3 15. Nxf3 Rd7 16. Qc2 Rc8 17. a3 c5 18. dxc5 Nxe3 19. fxe3 Bxc5 20. Kh1 Rdc7 21. Qd3 Qxb2 22. Rab1 Qxa3 23. Rc3 Qa5 24. Rbc1 h6 25. Nd2 Be7 26. Nc4 Qd5 27. Qc2 Bb4 28. Rd1 Bxc3 29. Rxd5 exd5 30. Qxc3 dxc4 0-1

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.03.12"]
[Round "5"]
[White "Prange, Joerg"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1507"]
[BlackElo "1493"]
[PlyCount "103"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. 0-0 e5 5. c4 d4 6. d3 Be7 7. Bg5 0-0 8. a3 a5 9. Nbd2 h6 10. Bxf6 Bxf6 11. Ne4 Be7 12. Qb3 Ra6 13. Rfb1 Rb6 14. Qc2 f5 15. Ned2 g5 16. c5 Ra6 17. Qc4+ Kg7 18. b4 Na7 19. Nxe5 Be6 20. Qc2 c6 21. Ndc4 Nb5 22. Nxa5 Qc7 23. Nf3 g4 24. Nd2 Nc3 25. Re1 Bd5 26. e4 dxe3 27. fxe3 Bf6 28. d4 Bxg2 29. Kxg2 Nd5 30. Qxf5 Raa8 31. Qxg4+ Kh8 32. Qg6 Bg5 33. Nac4 Rf6 34. Qd3 Rg8 35. Rf1 Rfg6 36. Ne4 Bh4 37. Ne5 R6g7 38. Rf3 Qc8 39. Nf7+ Rxf7 40. Rxf7 Rg7 41. Raf1 Rxf7 42. Rxf7 Qg8 43. Rf3 Be7 44. Qf1 Qg6 45. Qd3 h5 46. Nf2 Qg7 47. Qf5 Qh6 48. Qe5+ Bf6 49. Qe8+ Kh7 50. Qf7+ Qg7 51. Qxg7+ Kxg7 52. Ne4 0-1

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.03.05"]
[Round "4"]
[White "Efremov, Igor"]
[Black "Simon, Viktor"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1493"]
[PlyCount "137"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 g6 6. Be3 Bg7 7. 0-0-0 0-0 8. h3 e6 9. Bc4 c6 10. Nge2 Re8 11. g4 Qe7 12. h4 Nbd7 13. h5 Nd5 14. Bd2 a6 15. Ne4 N7f6 16. h6 Nxe4 17. Qxe4 Bf6 18. Bd3 Bg5 19. Rdf1 Bxd2+ 20. Kxd2 Qg5+ 21. Ke1 Qe3 22. Qe5 Qxe5 23. dxe5 Nb4 24. Be4 Bd7 25. c3 Nd5 26. Rh3 b5 27. Rhf3 Re7 28. Ng3 a5 29. Bc2 b4 30. c4 Nb6 31. b3 a4 32. Ne4 axb3 33. Bxb3 Be8 34. Nf6+ Kf8 35. Nxh7+ Kg8 36. Nf6+ Kh8 37. Nxe8 Raxe8 38. Rxf7 Nd7 39. g5 Rxf7 40. Rxf7 Nxe5 41. Rf6 Re7 42. Ke2 c5 43. Rf8+ Kh7 44. Rc8 Nd7 45. Ba4 Nb6 46. Re8 Rxe8 47. Bxe8 Nxc4 48. Kd3 Ne5+ 49. Ke4 Ng4 50. Bd7 c4 51. Bxe6 c3 52. Bb3 Nf2+ 53. Ke3 Nh3 54. Kd4 Nxg5 55. Kc4 Ne4 56. Bc2 Nd6+ 57. Kxb4 Kxh6 58. a4 g5 59. Kxc3 g4 60. Kd4 Kg5 61. Bd3 Kf4 62. Kd5 g3 63. Bf1 Nb7 64. Kc6 Na5+ 65. Kb5 Nb3 66. Kb4 Nd4 67. Bg2 Ke3 68. a5 Kf2 69. Bh3 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.02.19"]
[Round "3"]
[White "Rannefeld, Olaf"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1805"]
[BlackElo "1493"]
[PlyCount "69"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 b6 2. e4 Bb7 3. Nf3 e6 4. Bd3 Na6 5. 0-0 Be7 6. c3 Nf6 7. Qe2 Qc8 8. b4 c5 9. a3 0-0 10. Bg5 h6 11. Bh4 Re8 12. Re1 d5 13. e5 Ne4 14. Bxe7 Rxe7 15. Nfd2 f5 16. exf6 Nxf6 17. Nf3 c4 18. Bg6 Qf8 19. Ne5 Ne4 20. Bxe4 dxe4 21. Ng6 Qf6 22. Nxe7+ Qxe7 23. Nd2 Bd5 24. Nxe4 Rf8 25. Qg4 g5 26. g3 Nc7 27. h4 Rf5 28. hxg5 hxg5 29. f4 Qg7 30. Nxg5 Rf6 31. Ra2 Rh6 32. Rh2 Rxh2 33. Kxh2 Qg6 34. Kh3 Ne8 35. Nxe6 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.02.12"]
[Round "2"]
[White "Efremov, Igor"]
[Black "Kaspschak, Karola"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1493"]
[BlackElo "787"]
[PlyCount "50"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. d5 Bc5 7. dxc6 bxc6 8. Bc4 0-0 9. 0-0 Re8 10. Bg5 d6 11. Qd2 Bg4 12. h3 Bh5 13. Rae1 Bg6 14. Kh1 a6 15. f4 h6 16. f5 Bh7 17. Bxh6 gxh6 18. Qxh6 d5 19. Bd3 Kh8 20. e5 Bd4 21. e6 fxe6 22. fxe6 Qe7 23. Bg6 Rf8 24. Nd1 Ne8 25. Rxf8+ Qxf8 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2011.01.29"]
[Round "1"]
[White "Raimann, Max Guenter"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1977"]
[BlackElo "1493"]
[PlyCount "52"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. Nc3 Bf5 4. f3 d5 5. e4 dxe4 6. Bc4 e6 7. Qe2 Bb4 8. Rd1 0-0 9. Bg5 Nbd7 10. fxe4 Bxc3+ 11. bxc3 Bxe4 12. Nf3 h6 13. Bh4 g5 14. Nxg5 hxg5 15. Bxg5 Kg7 16. 0-0 Bg6 17. g4 Qe7 18. Bxf6+ Nxf6 19. Qe5 Rae8 20. Rd2 Rg8 21. Rg2 Rh8 22. g5 Kf8 23. Rxf6 Qd6 24. Rxf7+ Kxf7 25. Qf6+ Kg8 26. Qxg6+ Kf8 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2010.10.02"]
[Round "6"]
[White "Baum, Frank Christian"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1656"]
[BlackElo "1520"]
[PlyCount "85"]
[EventDate "2010.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 c6 4. Nf3 d5 5. Bd3 dxe4 6. Bxe4 Nf6 7. Bc2 0-0 8. Bg5 Nbd7 9. Qd2 Re8 10. 0-0 Nd5 11. Bb3 Qc7 12. Bxd5 cxd5 13. Re1 e5 14. dxe5 Nxe5 15. Nd4 Bd7 16. Na3 a6 17. Nac2 Nc4 18. Rxe8+ Rxe8 19. Qc1 Be5 20. g3 f6 21. Bd2 Bh3 22. b3 Nd6 23. f4 Bxd4+ 24. Nxd4 Ne4 25. Qc2 Qd7 26. Re1 b5 27. Qd3 f5 28. Nf3 Rc8 29. Rc1 a5 30. Be3 Nc5 31. Qd4 Ne6 32. Qd2 Bg4 33. Ne5 Qd8 34. Kg2 d4 35. cxd4 Rxc1 36. Qxc1 Nxd4 37. Kf2 Ne2 38. Qc5 Bh5 39. Qxb5 g5 40. Qc4+ Kg7 41. fxg5 Qd6 42. Nf3 Bf7 43. Qxe2 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2010.08.28"]
[Round "3"]
[White "Efremov, Igor"]
[Black "Wittur, Helge"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "1520"]
[BlackElo "1894"]
[PlyCount "70"]
[EventDate "2010.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. f3 f4 12. a4 g5 13. a5 h5 14. b4 Rf6 15. c5 Rg6 16. Rf2 Nf6 17. h3 g4 18. fxg4 hxg4 19. hxg4 Nxg4 20. Rf3 Bf6 21. Rh3 Kg7 22. Qe1 Ng8 23. Rh1 Rh6 24. Bf3 Rxh1+ 25. Kxh1 Bh4 26. Qe2 N8h6 27. Nd1 Bg3 28. N1f2 Qh4+ 29. Kg1 Qh2+ 30. Kf1 Nxf2 31. Nxf2 Bd7 32. b5 Bxf2 33. Kxf2 Qg3+ 34. Kf1 Ng4 35. Qe1 Bxb5+ 0-1

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2010.07.31"]
[Round "1"]
[White "Kobs, Stephan"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1853"]
[BlackElo "1520"]
[PlyCount "91"]
[EventDate "2010.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Qg4 g6 8. Bd2 Bxc3 9. bxc3 Qc7 10. Qg3 a6 11. c4 Nb6 12. Ba5 Nc6 13. Nxc6 Qxc6 14. Qb3 Na4 15. Be2 Qxg2 16. Bf3 Qg5 17. Bc7 Nc5 18. Qb4 Qf5 19. Bg2 Ne4 20. 0-0 a5 21. Qe1 Ng5 22. Qe3 h5 23. f4 Nh7 24. Rf2 Qg4 25. Kh1 Qh4 26. Bd6 Ra6 27. c5 f5 28. Rb1 Qd8 29. Rff1 Kf7 30. Bxb7 Bxb7+ 31. Rxb7 Qa8 32. Qf3 Rd8 33. c6 Nf8 34. c7 Rc8 35. Rb8 Qxf3+ 36. Rxf3 Ra8 37. Rxa8 Rxa8 38. Rb3 Rc8 39. Rb8 Rxc7 40. Rxf8+ Kg7 41. Bxc7 Kxf8 42. Bxa5 Kf7 43. Kg2 h4 44. Kh3 g5 45. fxg5 Kg6 46. Kxh4 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.05.08"]
[Round "7"]
[White "Efremov, Igor"]
[Black "Floerchinger, Ludolf"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1572"]
[BlackElo "1533"]
[PlyCount "105"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 e6 6. a3 Nf6 7. Bd2 Qh5 8. Be2 Nd5 9. 0-0 Nxc3 10. Bxc3 Qd5 11. Re1 Be7 12. b4 a6 13. Bb2 0-0 14. c4 Qd8 15. Qb3 Bf6 16. Rad1 Qe7 17. Bc3 Rd8 18. b5 axb5 19. c5 Bd7 20. Bxb5 Nxd4 21. Nxd4 Bxd4 22. Bxd4 Bxb5 23. Qxb5 c6 24. Qb2 f6 25. Qb3 Rd5 26. Rd3 Rad8 27. Red1 Kf8 28. f4 e5 29. fxe5 fxe5 30. Bf2 Qg5 31. Rxd5 Rxd5 32. h4 Qf4 33. Rf1 Kg8 34. Qxb7 h6 35. Qxc6 Rd8 36. Qb6 Rf8 37. c6 e4 38. c7 e3 39. Qe6+ Kh8 40. Qxe3 Qxc7 41. a4 Ra8 42. Qd4 Qc6 43. Ra1 Ra5 44. Qb4 Qd5 45. Bd4 Kh7 46. Bb6 Ra8 47. a5 Qe5 48. Re1 Qb8 49. Qb1+ Kg8 50. Rd1 Qe8 51. Qb3+ Kh8 52. Qd5 Rc8 53. Qd8 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.04.17"]
[Round "6"]
[White "Schiller, Wolfgang"]
[Black "Efremov, Igor"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1486"]
[BlackElo "1572"]
[PlyCount "63"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 0-0 6. Nf3 a6 7. Bh6 b5 8. Bxg7 Kxg7 9. a3 Nbd7 10. Bd3 c5 11. d5 c4 12. Be2 Nc5 13. Qd4 e5 14. dxe6 Nxe6 15. Qd2 Qc7 16. Ng5 Qc5 17. Nxe6+ fxe6 18. Bf3 Qe5 19. 0-0 Bb7 20. Rfe1 Rad8 21. Qe3 Rd7 22. Rad1 Rfd8 23. Qd4 Qc5 24. Qxc5 dxc5 25. Rxd7+ Rxd7 26. g3 Rd2 27. Rc1 b4 28. axb4 cxb4 29. Nb1 Rd7 30. Re1 e5 31. Be2 Rd4 32. f3 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.03.13"]
[Round "5"]
[White "Efremov, Igor"]
[Black "Kaspschak, Karola"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1572"]
[PlyCount "69"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. 0-0 Be7 5. d4 d6 6. d5 Na5 7. Bb5+ Bd7 8. Bd3 0-0 9. b4 c6 10. bxa5 cxd5 11. exd5 Qxa5 12. Bc4 Rac8 13. Bb3 Rc5 14. Be3 Bb5 15. Re1 Rc7 16. Bd2 Qb6 17. a4 Bc4 18. Na3 Bxb3 19. cxb3 Nxd5 20. Nc4 Qc6 21. Rc1 Qd7 22. Ba5 Rcc8 23. Qxd5 Rc5 24. Qd2 Qe6 25. Bb4 Rcc8 26. Bxd6 Rfd8 27. Rxe5 Qd7 28. Rxe7 Qxe7 29. Bxe7 Rxd2 30. Nfxd2 Re8 31. Ba3 g6 32. Nf3 a6 33. Nd6 Rd8 34. Ng5 Rxd6 35. Bxd6 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.03.06"]
[Round "4"]
[White "Heiseke, Gerhard"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "1136"]
[BlackElo "1572"]
[PlyCount "137"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. e3 exd4 4. exd4 Bb4+ 5. Bd2 Qe7+ 6. Qe2 Nc6 7. d5 Bxd2+ 8. Nxd2 Nb4 9. Qxe7+ Kxe7 10. Kd1 Re8 11. a3 Na6 12. Bd3 Nc5 13. Be2 a5 14. Ngf3 d6 15. Nd4 Bd7 16. Rb1 a4 17. Bf3 Kf8 18. Re1 Nd3 19. Rxe8+ Rxe8 20. h3 Nxf2+ 21. Kc2 N2e4 22. Nxe4 Nxe4 23. Re1 Nc5 24. Rxe8+ Kxe8 25. Kc3 g6 26. Bd1 Ne4+ 27. Kb4 c5+ 28. dxc6 bxc6 29. Ne2 Nc5 30. Bxa4 Nxa4 31. Kxa4 c5+ 32. Ka5 Bc6 33. g3 g5 34. b4 f5 35. bxc5 dxc5 36. Kb6 Kd7 37. Kxc5 h5 38. Kd4 Ke6 39. c5 Bf3 40. Ng1 Bd1 41. Ke3 Kd5 42. Kd2 Ba4 43. Nf3 g4 44. hxg4 fxg4 45. Ng5 Kxc5 46. Ne6+ Kd5 47. Ng7 h4 48. gxh4 Ke4 49. Ke1 Bd7 50. Kf2 Kf4 51. Nh5+ Ke5 52. Ke3 Bc6 53. Ng3 Ba4 54. h5 Bc2 55. Kd2 Bh7 56. Ke3 Bc2 57. Ne2 Bh7 58. a4 Bg8 59. a5 Kd6 60. Kf4 g3 61. Nxg3 Kc6 62. h6 Kb5 63. Nh5 Bh7 64. Nf6 Bg6 65. Kg5 Bd3 66. Kf4 Bg6 67. Kg5 Bd3 68. Nd7 Kxa5 69. Nf8 1-0

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.02.20"]
[Round "3"]
[White "Efremov, Igor"]
[Black "Diskin, Semen"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1572"]
[BlackElo "1810"]
[PlyCount "132"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Bc4 e6 4. a4 d6 5. 0-0 g6 6. c3 Bg7 7. d4 b6 8. Re1 Ne7 9. Be3 0-0 10. Nbd2 Bb7 11. h4 Nd7 12. Bd3 Qc7 13. Rc1 Rae8 14. b4 e5 15. d5 f5 16. Ng5 f4 17. Ne6 Qb8 18. Nxf8 Rxf8 19. Qg4 Nf6 20. Qe6+ Rf7 21. Nc4 fxe3 22. Rxe3 Nc8 23. Rf3 Qc7 24. g4 Qd7 25. Qxd7 Nxd7 26. Rxf7 Kxf7 27. g5 h6 28. Bf1 hxg5 29. hxg5 Ke7 30. Bh3 Kd8 31. Kg2 Kc7 32. Rh1 Nf8 33. Kg3 Ne7 34. a5 Nxd5 35. exd5 Bxd5 36. axb6+ Kb8 37. Rd1 Bxc4 38. Rxd6 cxb4 39. Bg2 e4 40. Rd8+ Kb7 41. Bxe4+ Kxb6 42. Rb8+ Kc5 43. Rc8+ Kb5 44. Rb8+ Kc5 45. cxb4+ Kd4 46. Re8 Be5+ 47. f4 Kxe4 48. Rxe5+ Kd4 49. Re7 Ne6 50. Rb7 Bd3 51. Rb6 Nc7 52. Rd6+ Nd5 53. Rd8 Kc4 54. Kf3 Nxb4 55. Ke3 Nd5+ 56. Kf3 a5 57. Rc8+ Kb5 58. Rd8 Nb4 59. Ke3 Bf5 60. Rf8 Nd5+ 61. Kd4 Nxf4 62. Rxf5+ gxf5 63. Ke5 Ng6+ 64. Kxf5 Nf8 65. Kf6 Nh7+ 66. Kg6 Nxg5 0-1

[Event "Hannover Region-ch"]
[Site "Langenhagen"]
[Date "2010.02.13"]
[Round "2"]
[White "Buchholz, Bernd1111"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1017"]
[BlackElo "1572"]
[PlyCount "38"]
[EventDate "2010.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. e5 d6 4. exd6 cxd6 5. Bb5+ Bd7 6. Nc3 Qb6 7. Bxd7+ Nxd7 8. Nf3 Ngf6 9. a3 0-0 10. h3 Rac8 11. 0-0 e6 12. Qd3 a6 13. b4 Rfe8 14. Bf4 Qc7 15. Bd2 e5 16. dxe5 dxe5 17. Qe3 Nb6 18. Rad1 Nc4 19. Qc5 Qb8 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.03.21"]
[Round "7"]
[White "Schiller, Wolfgang"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1473"]
[BlackElo "1549"]
[PlyCount "79"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Bd3 0-0 6. 0-0 Nbd7 7. Nc3 c6 8. Be3 b5 9. a3 Qc7 10. Qd2 Re8 11. Bh6 e5 12. Bxg7 Kxg7 13. d5 Nc5 14. Rae1 a6 15. b4 Nxd3 16. Qxd3 c5 17. Na2 c4 18. Qe3 Nh5 19. Kh2 f5 20. exf5 Bxf5 21. g4 Bxg4 22. hxg4 Nf4 23. Nc3 Qe7 24. Ne4 h6 25. Rg1 g5 26. Rg3 Rf8 27. Rh1 Nxd5 28. Qd2 Nf4 29. Qxd6 Qxd6 30. Nxd6 Ne2 31. Nf5+ Kg6 32. Nxe5+ Kh7 33. Rh3 Rf6 34. Nf3 Rd8 35. Nxg5+ Kg6 36. Ne4 Rxf5 37. gxf5+ Kxf5 38. Ng3+ Nxg3 39. Kxg3 Rd2 40. Rh5+ 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.03.07"]
[Round "6"]
[White "Efremov, Igor"]
[Black "Meding, Guenter"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1549"]
[BlackElo "1697"]
[PlyCount "101"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nc3 Nf6 2. d4 d5 3. f3 Bf5 4. Bg5 e6 5. g4 Bg6 6. h4 h6 7. Bxf6 Qxf6 8. e4 dxe4 9. fxe4 e5 10. Nd5 Qd6 11. Qd3 Qxd5 12. exd5 Bxd3 13. Bxd3 exd4 14. 0-0-0 Bc5 15. Re1+ Kd8 16. Nf3 Nd7 17. g5 Re8 18. gxh6 gxh6 19. Bb5 f6 20. Rhg1 a6 21. Rxe8+ Kxe8 22. Rg8+ Bf8 23. Rxf8+ Kxf8 24. Bxd7 Ke7 25. Bf5 Kd6 26. Nxd4 Kxd5 27. Ne6 Kd6 28. Ng7 Rg8 29. Nh5 Ke5 30. Bd7 f5 31. Kd2 Rd8 32. Ke3 Rxd7 33. Nf4 b6 34. b3 c5 35. a4 Rg7 36. Kf3 Rg4 37. Ng2 Rxg2 38. Kxg2 Kd4 39. Kf3 Kc3 40. Kf4 Kxc2 41. Kxf5 Kxb3 42. Kg6 c4 43. Kxh6 c3 44. h5 c2 45. Kg7 c1Q 46. h6 Kxa4 47. h7 b5 48. Kf7 Qh6 49. Kg8 b4 50. h8Q Qxh8+ 51. Kxh8 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.02.21"]
[Round "5"]
[White "Ellinger, Peter"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1929"]
[BlackElo "1549"]
[PlyCount "41"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. Nf3 Bg4 7. Nbd2 Nbd7 8. h3 Bxf3 9. Nxf3 c5 10. e5 dxe5 11. dxe5 Ne8 12. e6 fxe6 13. Ng5 Nd6 14. Nxe6 Qb6 15. Nxf8+ Kxf8 16. 0-0 Nxc4 17. Qxc4 Ne5 18. Qe4 Rd8 19. Bh6 Qf6 20. Bxg7+ Qxg7 21. Rad1 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.02.14"]
[Round "4"]
[White "Efremov, Igor"]
[Black "Kiselev, Alexander2222"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1549"]
[BlackElo "2003"]
[PlyCount "32"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[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 Nb4 9. Nc3 Nc2 10. Rb1 Nb4 11. Be3 0-0 12. Rc1 Nd7 13. a3 Nc6 14. d5 exd5 15. Qxd5 g6 16. Qb5 Nb6 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.01.24"]
[Round "2"]
[White "Heiseke, Gerhard"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1193"]
[BlackElo "1549"]
[PlyCount "19"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bg5 Be7 6. Bf4 g5 7. Bg3 Bb4+ 8. Nbd2 Qe7 9. a3 Ngxe5 10. axb4 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2009.01.10"]
[Round "1"]
[White "Efremov, Igor"]
[Black "Lick, Patrick"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1549"]
[BlackElo "1971"]
[PlyCount "86"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 Bg4 5. Bb5 e6 6. 0-0 Nge7 7. Re1 Qb6 8. Na3 a6 9. Qa4 Bxf3 10. gxf3 0-0-0 11. Bf1 Ng6 12. f4 Nh4 13. Re3 Nf5 14. Rh3 g5 15. d3 h5 16. fxg5 Nxe5 17. Qd1 Bd6 18. Rxh5 Rxh5 19. Qxh5 Ng6 20. Qf3 Rh8 21. h3 Bc7 22. Nc2 Qd6 23. Qh1 Ngh4 24. Ne1 Rg8 25. f4 Rxg5+ 26. Kf2 Rg8 27. Nf3 Ng3 28. Qh2 Nxf3 29. Kxf3 Nxf1 30. Qf2 Ng3 31. Bd2 Nh5 32. Rg1 Qf8 33. Rg5 Rxg5 34. fxg5 Qd6 35. Kg4 Qg3+ 36. Qxg3 Nxg3 37. h4 Kd8 38. Bf4 Bxf4 39. Kxf4 Nf5 40. h5 Ke8 41. Ke5 Kf8 42. h6 Nxh6 43. gxh6 f5 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.04.12"]
[Round "7"]
[White "Efremov, Igor"]
[Black "Sporleder, Andreas"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "1603"]
[BlackElo "1443"]
[PlyCount "75"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Qxd5 5. Nc3 Qd8 6. Nf3 e6 7. d4 Nf6 8. Bc4 Nc6 9. 0-0 Bd6 10. Bg5 0-0 11. d5 Ne5 12. Bb3 h6 13. Bh4 Ng6 14. Bg3 e5 15. Re1 Re8 16. Ne4 Nxe4 17. Rxe4 Bf5 18. Rc4 Rc8 19. Rxc8 Bxc8 20. Nd2 Qg5 21. Ne4 Qd8 22. Ba4 Re7 23. Rc1 Rc7 24. Nc3 a6 25. a3 Bd7 26. Bc2 Ne7 27. Bh4 Qc8 28. Bxe7 Bxe7 29. d6 Bxd6 30. Qxd6 Rc6 31. Qd3 g6 32. Qe3 Kh7 33. h4 Qd8 34. h5 Kg7 35. hxg6 fxg6 36. Qxe5+ Rf6 37. Rd1 Qc8 38. Ne4 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.02.27"]
[Round "5"]
[White "Efremov, Igor"]
[Black "Krueger, Finn"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1603"]
[BlackElo "1242"]
[PlyCount "94"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 e6 4. axb4 Bxb4 5. c3 Bc5 6. d4 Bb6 7. Nf3 d5 8. e5 Nc6 9. Bd3 Nge7 10. Bg5 0-0 11. Qc2 h6 12. h4 hxg5 13. Bh7+ Kh8 14. hxg5 g6 15. Bxg6+ Kg7 16. Rh7+ Kg8 17. Bxf7+ Rxf7 18. g6 Rg7 19. Nh4 Nf5 20. g3 Rxh7 21. gxh7+ Kxh7 22. Nd2 Kg7 23. Ndf3 Nce7 24. 0-0-0 Nxh4 25. Nxh4 Nf5 26. Rh1 Bd7 27. Qe2 Qg5+ 28. Kb2 Rh8 29. Nf3 Qg4 30. Rg1 a6 31. Re1 Bb5 32. Qd2 Qxf3 33. Qg5+ Kh7 34. Rc1 Rg8 35. Qf6 Qxf2+ 36. Ka3 Qf3 37. Qxe6 Bxd4 38. Rh1+ Qxh1 39. Qxf5+ Rg6 40. Qf7+ Rg7 41. Qf5+ Kg8 42. Qc8+ Be8 43. Qxe8+ Kh7 44. cxd4 Rxg3+ 45. Kb4 Qb1+ 46. Kc5 Qb5+ 47. Kd6 Qxe8 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.02.13"]
[Round "4"]
[White "Brandtner, Hans Dieter"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1357"]
[BlackElo "1603"]
[PlyCount "43"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Na6 6. c3 c5 7. Bd3 d5 8. Qa4+ Qd7 9. Bb5 0-0-0 10. Bxd7+ Rxd7 11. Ne5 Rd8 12. Nxf7 Be7 13. Nxh8 Rxh8 14. Bg5 h6 15. Bxf6 Bxf6 16. 0-0 Kc7 17. e4 dxe4 18. Rfe1 cxd4 19. Nxe4 dxc3 20. Qc4+ Nc5 21. Nxc5 Bd5 22. Nxe6+ 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.02.09"]
[Round "3"]
[White "Efremov, Igor"]
[Black "Diskin, Semen"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1603"]
[BlackElo "1868"]
[PlyCount "92"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 0-0 5. Bg5 c6 6. Nf3 d6 7. Qd2 a5 8. a4 Qe7 9. h3 Be6 10. Bxe6 Qxe6 11. Bxf6 Qxf6 12. 0-0 Na6 13. Nh2 Rad8 14. Ng4 Qh4 15. Ne3 g6 16. Ne2 Nb4 17. c3 Bxe3 18. fxe3 Na6 19. b4 d5 20. exd5 Rxd5 21. d4 axb4 22. cxb4 exd4 23. Rf4 Qe7 24. Rxd4 Rxd4 25. exd4 Qxb4 26. Qxb4 Nxb4 27. Rb1 Nd5 28. Rxb7 Ra8 29. h4 Rxa4 30. Rb2 Rc4 31. g4 Ne3 32. h5 Kg7 33. Rb7 Nxg4 34. hxg6 hxg6 35. Kg2 Kf6 36. Kf3 Nh6 37. Ke4 Nf5 38. Kd3 Ra4 39. Rb6 Ne7 40. Nc3 Ra8 41. d5 Ra3 42. dxc6 Rxc3+ 43. Kxc3 Nd5+ 44. Kc4 Nxb6+ 45. Kc5 Nc8 46. c7 Ke6 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.01.26"]
[Round "2"]
[White "Efremov, Igor"]
[Black "Lenselink, Joern"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1603"]
[BlackElo "1002"]
[PlyCount "69"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 e6 4. e4 Nf6 5. Bg5 Be7 6. dxc5 Bxc5 7. e5 Nxe5 8. Nxe5 d6 9. Bb5+ Kf8 10. 0-0 Bb6 11. Ng4 h6 12. Bxf6 gxf6 13. Re1 a6 14. Ba4 f5 15. Ne3 f4 16. Nc4 Bc5 17. Ne5 Qh4 18. Ne4 dxe5 19. Nxc5 b6 20. Qf3 Ra7 21. Ne4 Bb7 22. Rad1 f5 23. Qa3+ Kf7 24. Nd6+ Kf6 25. Nxb7 Rxb7 26. Qc3 Rg8 27. Qxe5+ Kg5 28. Bc6 Rh7 29. Qxe6 Rg6 30. Qe8 Rxc6 31. Qxc6 Rg7 32. Re6 a5 33. Rdd6 Qh5 34. Rxh6 Qe2 35. Rdg6+ 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2008.01.12"]
[Round "1"]
[White "Herrmann, Andreas"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2069"]
[BlackElo "1603"]
[PlyCount "111"]
[EventDate "2008.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 Bg7 5. 0-0 0-0 6. d3 Nc6 7. Nc3 a6 8. Bd2 Rb8 9. a4 d6 10. Ne1 Bd7 11. Nc2 Nd4 12. Nxd4 cxd4 13. Ne4 Qc8 14. b4 Bh3 15. Ng5 Bxg2 16. Kxg2 h6 17. Nh3 e5 18. f3 b6 19. Qb3 Qb7 20. Nf2 Rfc8 21. Rfc1 Rc7 22. a5 b5 23. cxb5 Rxc1 24. Rxc1 Qxb5 25. Ne4 Ne8 26. Qc2 f5 27. Nf2 Bf8 28. Qc6 Kg7 29. h4 Rb7 30. h5 Rc7 31. Qxb5 axb5 32. Rxc7+ Nxc7 33. hxg6 Kxg6 34. f4 Na6 35. Kf3 d5 36. fxe5 Bxb4 37. Bxb4 Nxb4 38. Nh3 Na6 39. Nf4+ Kf7 40. e3 dxe3 41. d4 Nc7 42. Kxe3 b4 43. Kd3 Ke8 44. Kc2 Kd7 45. Kb3 Kc6 46. Kxb4 Nb5 47. e6 Nc7 48. e7 Kd7 49. Kc5 Kxe7 50. Nxd5+ Kd7 51. Nxc7 Kxc7 52. Kd5 f4 53. gxf4 h5 54. Ke4 h4 55. Kf3 Kd6 56. f5 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.03.31"]
[Round "7"]
[White "Efremov, Igor"]
[Black "Kiselev, Alexander2222"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1609"]
[BlackElo "2019"]
[PlyCount "40"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 c6 5. dxc6 Nxc6 6. d4 e5 7. Ne2 exd4 8. c3 dxc3 9. Nbxc3 Ne5 10. Bb3 Bc6 11. 0-0 Bc5 12. Bg5 Qa5 13. Bxf6 gxf6 14. Nd5 0-0-0 15. Nec3 Bb4 16. Rc1 Kb8 17. Qh5 Bxc3 18. Nxf6 Bd2 19. Rcd1 Nf3+ 20. gxf3 Rhg8+ 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.03.24"]
[Round "6"]
[White "Zucker, Stefan"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1773"]
[BlackElo "1609"]
[PlyCount "80"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nf6 5. Be3 Nbd7 6. f4 c5 7. e5 Ng8 8. Nf3 Nh6 9. e6 Nf6 10. Bb5+ Kf8 11. dxc5 Nf5 12. Qd2 Bxe6 13. Ng5 Qc8 14. 0-0-0 Nxe3 15. Qxe3 Ng4 16. Nxe6+ fxe6 17. Qf3 Qxc5 18. Bd7 Nf2 19. Ne4 Qb4 20. c3 Qxe4 21. Qxf2 Bf6 22. Rhe1 Qc4 23. Bxe6 Qc7 24. f5 Kg7 25. h4 Qa5 26. g4 Rac8 27. fxg6 Rhf8 28. Qc2 Bxh4 29. Rh1 Rf2 30. Qd3 Rh8 31. Bd5 hxg6 32. Rxh4 Rxh4 33. Qd4+ Rf6 34. Re1 e5 35. Qd1 Rh2 36. Bc4 Rff2 37. Re2 Rxe2 38. Bxe2 Qxa2 39. Kc2 Qa4+ 40. b3 Qxg4 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.03.10"]
[Round "5"]
[White "Efremov, Igor"]
[Black "Vandenhoeke, Patrick"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1609"]
[BlackElo "968"]
[PlyCount "87"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Nc6 6. Nf3 Bb4+ 7. Nc3 Nge7 8. Bg5 Qa5 9. Bd2 Nf5 10. a3 Bxc3 11. Bxc3 Qb6 12. g4 Nh6 13. h3 0-0 14. Qd2 Qd8 15. b4 f6 16. Bg2 fxe5 17. dxe5 b6 18. b5 Na5 19. Bxa5 bxa5 20. 0-0 Bb7 21. Nd4 Qb6 22. Rac1 Nf7 23. f4 Rac8 24. Kh2 Rxc1 25. Rxc1 a6 26. bxa6 Bxa6 27. Rc6 Qa7 28. Nxe6 Rc8 29. Bxd5 Rxc6 30. Bxc6 Qb6 31. Bd5 Bb7 32. Ba2 Bc8 33. Nd8 h6 34. Nxf7 Be6 35. Bxe6 Qxe6 36. Nd6 g5 37. Qxa5 gxf4 38. Qd8+ Kg7 39. Qf6+ Qxf6 40. exf6+ Kxf6 41. Nc4 h5 42. Kg2 hxg4 43. hxg4 Kg5 44. Kf3 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.02.17"]
[Round "4"]
[White "Lick, Patrick"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1751"]
[BlackElo "1609"]
[PlyCount "93"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Bd3 d6 5. h3 Nd7 6. 0-0 e5 7. dxe5 dxe5 8. b3 Ngf6 9. Ba3 c5 10. Bb2 Qe7 11. Nc3 a6 12. Nd5 Nxd5 13. exd5 0-0 14. Re1 Re8 15. a4 Rb8 16. a5 Qd6 17. Bc4 h6 18. Nd2 f5 19. g4 Nf6 20. Nf3 Ne4 21. gxf5 Bxf5 22. Bd3 Nxf2 23. Kxf2 e4 24. Bxg7 Kxg7 25. Bf1 exf3 26. Qxf3 Rbd8 27. c4 Rf8 28. Kg1 Rf6 29. Qc3 Rdf8 30. Re3 Kh7 31. Rae1 R6f7 32. Qe5 Qd8 33. Bg2 Qxa5 34. d6 Qd2 35. Qxc5 h5 36. Qe5 Bd7 37. R3e2 Qb4 38. Bd5 Qb6+ 39. Qe3 Qxe3+ 40. Rxe3 Rg7 41. Re7 Bxh3 42. Bxb7 Rff7 43. Bd5 Rxe7 44. dxe7 Bd7 45. e8Q Bxe8 46. Rxe8 g5 47. Be4+ 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.02.10"]
[Round "3"]
[White "Efremov, Igor"]
[Black "Birkenbeul, Harald"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1609"]
[BlackElo "1429"]
[PlyCount "75"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Bc5 6. Bxf7+ Kf8 7. Nxc6 bxc6 8. Bc4 Nf6 9. Nc3 Qe7 10. Qf3 d6 11. h3 Be6 12. Bxe6 Qxe6 13. 0-0 Kg8 14. Be3 Nd7 15. Bxc5 Nxc5 16. Qe3 Kh7 17. f4 Rhf8 18. e5 Rae8 19. g4 Kh8 20. Rae1 Qe7 21. b4 Nd7 22. e6 Nf6 23. Qxa7 d5 24. Qd4 Qd6 25. Na4 Ne4 26. Rxe4 dxe4 27. Qxd6 cxd6 28. f5 Ra8 29. Nc3 d5 30. a4 Rfd8 31. a5 Rab8 32. Rb1 Kg8 33. Kf2 Kf8 34. Kg3 e3 35. Ne2 d4 36. Rb3 Rd5 37. Nf4 Re5 38. Ng6+ 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.01.27"]
[Round "2"]
[White "Zuelke, Dieter"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1404"]
[BlackElo "1609"]
[PlyCount "52"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. f3 d5 4. Be3 e6 5. a3 Nbd7 6. g4 c5 7. h4 Qb6 8. Rb1 Bd6 9. Bf2 cxd4 10. Bxd4 Bg3+ 11. Kd2 Qxd4+ 12. Kc1 Bf4+ 13. e3 Bxe3+ 14. Qd2 Bxd2+ 15. Kd1 Bxc3+ 16. Bd3 Bxb2 17. Ne2 Qb6 18. c3 Qb3+ 19. Bc2 Qxa3 20. Nd4 Qxc3 21. Ne2 Qxf3 22. Rg1 Be5 23. Kd2 Ne4+ 24. Kc1 Qxe2 25. Rd1 Qe3+ 26. Rd2 Qxd2# 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2007.01.13"]
[Round "1"]
[White "Efremov, Igor"]
[Black "Schulze, Torben"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1609"]
[BlackElo "2120"]
[PlyCount "44"]
[EventDate "2007.01.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. c3 Bg7 5. 0-0 e6 6. d4 cxd4 7. cxd4 d5 8. exd5 exd5 9. Re1+ Nge7 10. Bb3 0-0 11. Nc3 Be6 12. Bg5 Qd7 13. Bxe7 Nxe7 14. Ba4 Qd8 15. Ne5 a6 16. Bc2 Qd6 17. Na4 Bf5 18. Rc1 Rac8 19. Nc5 Bxe5 20. Rxe5 Rxc5 21. Rxf5 Rxc2 22. Rxc2 Nxf5 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.04.01"]
[Round "7"]
[White "Francke, Martin"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1501"]
[BlackElo "1619"]
[PlyCount "85"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. Bg5 Be6 7. c5 0-0 8. Nf3 Re8 9. Be2 Nbd7 10. 0-0 c6 11. Ne5 h6 12. Nxd7 hxg5 13. Nxf6+ Qxf6 14. a3 Ba5 15. b4 Bc7 16. a4 a6 17. g3 Qg6 18. Bg4 Bxg4 19. Qxg4 f5 20. Qd1 Re6 21. Re1 Rae8 22. Rxe6 Rxe6 23. Ra2 f4 24. Re2 g4 25. Rxe6 Qxe6 26. Qe2 Qxe2 27. Nxe2 g5 28. gxf4 gxf4 29. f3 gxf3 30. Nc1 Kg7 31. Kf2 Kg6 32. Kxf3 Kf5 33. Nd3 b6 34. h4 a5 35. bxa5 bxc5 36. a6 Bb8 37. Nxc5 Ba7 38. h5 Kg5 39. h6 Kxh6 40. Kxf4 Kh5 41. Kf5 Kh4 42. Ke6 Kg4 43. Kd6 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.03.11"]
[Round "5"]
[White "Gisy, Roberto"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1533"]
[BlackElo "1619"]
[PlyCount "93"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d6 8. 0-0 0-0 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg4 12. f3 Bh5 13. Re1 Re8 14. a3 Bxc3 15. bxc3 Rb8 16. Qd2 Nd7 17. f4 Nc5 18. fxg5 hxg5 19. e5 d5 20. Bf2 Nxd3 21. cxd3 a6 22. Re3 d4 23. Rg3 dxc3 24. Qxc3 Re6 25. Be3 g4 26. Rf1 Qd5 27. Rf5 Bg6 28. Rxg4 Rb3 29. Qe1 Qxd3 30. Rf3 Rxe5 31. Rxg6+ fxg6 32. Rf8+ Kg7 33. Bh6+ Kxh6 34. Rh8+ Kg5 35. Qxe5+ Qf5 36. Qe7+ Qf6 37. h4+ Kf5 38. Rf8 Qxf8 39. Qxf8+ Kg4 40. Qc8+ Kxh4 41. Qxc7 g5 42. Qxc6 Rxa3 43. Qc1 Rg3 44. Kh2 Rg4 45. Qc6 Rg3 46. Qxa6 Re3 47. Qd6 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.02.25"]
[Round "4"]
[White "Efremov, Igor"]
[Black "Zuelke, Dieter"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1619"]
[BlackElo "1390"]
[PlyCount "68"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 b6 3. bxc5 bxc5 4. Nf3 e6 5. Nc3 Be7 6. Bc4 Nc6 7. 0-0 d6 8. Rb1 Nf6 9. Re1 0-0 10. Bb2 Bd7 11. e5 dxe5 12. Nxe5 Nxe5 13. Rxe5 Qc7 14. Ne4 Rab8 15. Rg5 Rxb2 16. Rxb2 Nxe4 17. Rh5 Nf6 18. Rh3 e5 19. Rhb3 Bc6 20. Be2 Rd8 21. c4 Qd6 22. Rd3 Qc7 23. Rxd8+ Qxd8 24. Qb1 Bd6 25. d3 e4 26. Rb3 exd3 27. Bxd3 g6 28. h3 Qc7 29. Bf1 Ne4 30. Qe1 Kg7 31. Re3 Nf6 32. g3 Nd7 33. f4 f5 34. Re6 Nf6 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.02.11"]
[Round "3"]
[White "Reinecke, Juergen"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1824"]
[BlackElo "1619"]
[PlyCount "79"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 Be7 5. f4 Nh6 6. Nf3 Bd7 7. Be3 Ng4 8. Bg1 a6 9. Qd2 b5 10. a3 Na5 11. Nxd5 exd5 12. Qxa5 0-0 13. 0-0-0 Qc8 14. h3 Nh6 15. g4 Rb8 16. Qd2 b4 17. axb4 Bxb4 18. c3 Be7 19. Bd3 a5 20. f5 Nxf5 21. gxf5 Bxf5 22. Be3 a4 23. Rdf1 a3 24. b4 Rb6 25. Ng5 Bg6 26. h4 Qb7 27. h5 Bxd3 28. Qxd3 Bxg5 29. Bxg5 a2 30. Kb2 Rxb4+ 31. cxb4 Qxb4+ 32. Ka1 Rb8 33. Rh2 h6 34. Bf4 c5 35. e6 c4 36. exf7+ Kf8 37. Qc2 Rb7 38. Bd2 Qe7 39. Qh7 Rb1+ 40. Kxa2 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.01.21"]
[Round "2"]
[White "Efremov, Igor"]
[Black "Chmelev, Alex"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1619"]
[BlackElo "1276"]
[PlyCount "47"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 e6 3. bxc5 Bxc5 4. d4 Be7 5. Nf3 Nf6 6. e5 Nd5 7. c4 Nc7 8. Nc3 0-0 9. Bd3 d5 10. exd6 Qxd6 11. 0-0 Nc6 12. Bxh7+ Kxh7 13. Ne4 Qd8 14. Nfg5+ Bxg5 15. Nxg5+ Kg6 16. Qd3+ Kf6 17. Nh7+ Ke7 18. Ba3+ Ke8 19. Bxf8 Qxd4 20. Qg3 Na6 21. Bxg7 Qxc4 22. Rfd1 Qc5 23. Rac1 Qb4 24. Bf6 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2006.01.14"]
[Round "1"]
[White "Kiselev, Alexander2222"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2010"]
[BlackElo "1619"]
[PlyCount "61"]
[EventDate "2006.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. Bd3 Nf6 6. c4 Nbd7 7. Nf3 Be7 8. Nc3 0-0 9. h3 Re8 10. 0-0 h6 11. Re1 a6 12. Bf4 Nf8 13. Qc2 Bd7 14. a4 Nh5 15. Bh2 g6 16. Re2 Ng7 17. Rae1 Bf5 18. Bxf5 Nxf5 19. g4 Ng7 20. Ne4 g5 21. Ng3 Qd7 22. Nf5 Nxf5 23. Qxf5 Qd8 24. h4 gxh4 25. g5 Ng6 26. gxh6 Kh7 27. Qxf7+ Kxh6 28. Re6 Rg8 29. Bf4+ Kh5 30. Qf5+ Bg5 31. Bxg5 1-0

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.03.15"]
[Round "7"]
[White "Efremov, Igor"]
[Black "Droemann, Thomas"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1783"]
[PlyCount "104"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be2 e6 7. 0-0 c5 8. Be3 cxd4 9. Nxd4 Nc6 10. Nxc6 Qxc6 11. Bf3 Qc7 12. Na4 Bd7 13. Bb6 Qc8 14. Nc3 Bb4 15. Qd4 Bxc3 16. bxc3 Bc6 17. Bxc6+ Qxc6 18. Rfd1 0-0 19. Rd3 Nd5 20. Rg3 g6 21. Rb1 Rac8 22. Ba5 b5 23. h4 Qc4 24. Rb2 Qxd4 25. cxd4 Rc4 26. c3 Rfc8 27. h5 Nxc3 28. hxg6 hxg6 29. a3 Nd5 30. Rd3 Rc1+ 31. Kh2 R1c2 32. Rd2 Rxb2 33. Rxb2 Rc4 34. Bb4 Rxd4 35. Bc5 Rc4 36. Bd6 Rc6 37. Bb4 Kg7 38. Kg3 Kf6 39. Rb3 Nxb4 40. axb4 Rc4 41. Rf3+ Ke7 42. Rf4 e5 43. Rxc4 bxc4 44. Kf3 Ke6 45. Ke4 f5+ 46. Ke3 Kd5 47. g3 g5 48. f3 c3 49. Kd3 c2 50. Kxc2 Kc4 51. Kd2 Kxb4 52. Ke3 Kc4 0-1

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.03.08"]
[Round "6"]
[White "Schimmelpfennig, Juergen"]
[Black "Efremov, Igor"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1456"]
[PlyCount "78"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bb5+ Bd7 7. Qa4 Nf6 8. Bxd7+ Nxd7 9. Be3 a6 10. Nc3 b5 11. Qb3 Ne5 12. Nd5 Nc4 13. 0-0 e6 14. Nf4 g6 15. c3 Bg7 16. Rad1 Qc7 17. Bd4 e5 18. Nd5 Qb7 19. Be3 0-0 20. Qc2 Rad8 21. b3 Nxe3 22. Nxe3 Bh6 23. Nd5 Bg5 24. f4 exf4 25. Nxf4 Qb6+ 26. Kh1 Rfe8 27. Nd5 Qc5 28. Nf6+ Bxf6 29. Rxf6 Rd7 30. Qd3 Qe5 31. Rff1 Qxe4 32. Qg3 Re6 33. h3 h5 34. Rde1 Qc2 35. Rxe6 fxe6 36. Qf3 Kh7 37. Qa8 Qxc3 38. Qxa6 Qd3 39. Rf8 Qd5 0-1

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.03.01"]
[Round "5"]
[White "Efremov, Igor"]
[Black "Westermann, Edmund"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "1435"]
[PlyCount "49"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 b6 5. Nf3 Ba6 6. Bxa6 Nxa6 7. Qa4+ Qd7 8. Qxa6 c4 9. b4 b5 10. a4 Rb8 11. axb5 Rxb5 12. Qxa7 Qc8 13. Qa4 Qd7 14. Na3 Rb8 15. Qxd7+ Kxd7 16. Nc2 Ne7 17. Ra7+ Ke8 18. Bg5 Ng6 19. g3 Be7 20. 0-0 Rf8 21. Bxe7 Nxe7 22. Rfa1 Nc6 23. Rc7 Nd8 24. Raa7 h6 25. Re7# 1-0

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.02.22"]
[Round "4"]
[White "Meding, Guenter"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1650"]
[PlyCount "87"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. d5 a5 8. h3 Na6 9. Be3 h6 10. a3 Bd7 11. Qc2 Nh5 12. Qd2 Kh7 13. Rc1 f5 14. exf5 gxf5 15. g4 Nf6 16. g5 Ne4 17. Nxe4 fxe4 18. Qc2 Bf5 19. Nh4 Nc5 20. Nxf5 Rxf5 21. h4 Rf4 22. b4 axb4 23. axb4 Nd3+ 24. Bxd3 exd3 25. Qxd3+ e4 26. Qc2 Rg4 27. f3 Rg3 28. Qxe4+ Kg8 29. Kf2 Be5 30. Qg6+ Kf8 31. Qxh6+ Kg8 32. Qg6+ Kh8 33. f4 Rxe3 34. Kxe3 Ra3+ 35. Ke4 Bb2 36. Rce1 Qe7+ 37. Kf5 Qf8+ 38. Kg4 Be5 39. Qh6+ Qxh6 40. gxh6 Bc3 41. Re8+ Kh7 42. Kh5 Bd4 43. Re7+ Kh8 44. Rhe1 1-0

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.02.08"]
[Round "3"]
[White "Efremov, Igor"]
[Black "Utermark, Dieter"]
[Result "0-1"]
[ECO "E81"]
[BlackElo "1670"]
[PlyCount "80"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Ne7 9. Bd3 c6 10. Nge2 a6 11. g4 b5 12. b3 bxc4 13. bxc4 cxd5 14. cxd5 Rb8 15. Rb1 Rxb1+ 16. Nxb1 Ne8 17. h4 f5 18. gxf5 gxf5 19. h5 f4 20. Bf2 h6 21. Nc1 Kh7 22. Nc3 Rg8 23. Nb3 Nf6 24. Bh4 Qe8 25. Qe2 Nxh5 26. Bxe7 Ng3 27. Qh2 Nxh1 28. Qxh1 Qxe7 29. Na5 Qa7 30. Kd1 Bf6 31. Ne2 Bd7 32. Qh5 Rg6 33. Nc4 Bb5 34. Qf5 Bd7 35. Qh5 Qc5 36. Nxf4 Rg1+ 37. Ke2 Rg7 38. Nh3 Rg2+ 39. Ke1 Bxh3 40. Be2 Qf2+ 0-1

[Event "Hannover Region-ch op"]
[Site "Hannover"]
[Date "2003.01.25"]
[Round "1"]
[White "Schubert, Wolfgang"]
[Black "Efremov, Igor"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1734"]
[PlyCount "81"]
[EventDate "2003.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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 a6 6. f3 e6 7. Be3 Be7 8. Qd2 Nbd7 9. g4 Ne5 10. 0-0-0 b5 11. Bd3 Bd7 12. h4 b4 13. Nce2 d5 14. Ng3 0-0 15. g5 Ne8 16. exd5 Qa5 17. Kb1 Bb5 18. dxe6 Nd6 19. b3 Bxd3 20. cxd3 fxe6 21. f4 Ng4 22. Nc6 Qc7 23. Nxe7+ Qxe7 24. Bc5 Qd7 25. Bxb4 Rfe8 26. Bxd6 Qxd6 27. Ne4 Qb6 28. Rh3 a5 29. Rg3 h5 30. gxh6 Nxh6 31. Nf6+ Kf7 32. Nxe8 Rxe8 33. Qe3 Qd8 34. Qe5 Nf5 35. Rgg1 Qxh4 36. Rc1 Qf2 37. Rc7+ Kf8 38. Rcxg7 Qd4 39. Rg8+ Ke7 40. Qc7+ Qd7 41. R8g7+ 1-0

