[Event "Vilnius"]
[Site "Vilnius"]
[Date "1972.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Tseitlin, Mark D"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "114"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 c6 7. e5 Ne8 8. Re1 d5 9. Bb3 f6 10. exf6 exf6 11. Ne4 Kh8 12. Ng3 Nd6 13. c3 Na6 14. Bc2 Nc7 15. Bf4 Nf7 16. h4 Ne6 17. Bd2 f5 18. h5 Neg5 19. hxg6 hxg6 20. Nxg5 Nxg5 21. Ne2 Ne4 22. Nf4 Qd6 23. Nd3 f4 24. Ne5 Bxe5 25. dxe5 Qxe5 26. Bxe4 dxe4 27. c4 Kh7 28. Bc3 Qe7 29. Qf3 Qg5 30. Qxe4 Kh6 31. Qd4 Bf5 32. Qg7+ Kh5 33. Qh7+ Qh6 34. Qxh6+ Kxh6 35. Re7 Kg5 36. Rxb7 f3 37. gxf3 Rad8 38. Kg2 Rd3 39. Re1 Bc8 40. Re5+ Kh6 41. Rxa7 Bh3+ 42. Kg1 Rfxf3 43. Rae7 Bf5 44. Re2 g5 45. Rd2 Rf4 46. Rxd3 Bxd3 47. Re6+ Kh5 48. f3 Bxc4 49. Rxc6 Bxa2 50. Rf6 Bd5 51. Kf2 Rxf6 52. Bxf6 Kg6 53. Bd8 Kf5 54. Kg3 Ba8 55. b4 Bc6 56. Bc7 Bb5 57. Kf2 Bc6 1/2-1/2

[Event "Leningrad tt"]
[Site "Leningrad"]
[Date "1969.??.??"]
[Round "4"]
[White "Karpov, Anatoly"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "75"]
[EventDate "1969.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. h3 a6 8. Bf1 b5 9. a4 b4 10. d3 d6 11. Nbd2 Nd7 12. cxb4 Nxb4 13. a5 Bb7 14. Nc4 Bc6 15. Bd2 Bb5 16. d4 Nc6 17. d5 Nce5 18. Nfxe5 Nxe5 19. Nb6 Ra7 20. Bc3 Nd7 21. Nc4 Bxc3 22. bxc3 Bxc4 23. Bxc4 Ne5 24. Bf1 c4 25. Qd4 Rb7 26. Ra4 Rb5 27. Rea1 Rc5 28. f4 Nd3 29. Rxc4 Rxc4 30. Qxc4 Nc5 31. Qb4 Qc7 32. Rb1 Rc8 33. Kh2 Qd7 34. Be2 h5 35. Qd4 Qa4 36. Qxa4 Nxa4 37. Bxa6 Ra8 38. Ra1 1-0

[Event "UKR-ch36"]
[Site "Kiev"]
[Date "1967.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Kostiuchenko, Alexander I"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "54"]
[EventDate "1967.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 0-0 6. cxd5 exd5 7. e3 a5 8. Bd3 Na6 9. Rc1 c6 10. h3 Re8 11. Ne5 g6 12. Qf3 Nc7 13. g4 Ne6 14. h4 Rf8 15. Bh6 Ng7 16. h5 Nd7 17. hxg6 fxg6 18. Qh3 Nxe5 19. dxe5 Rf7 20. f4 Qe8 21. Rc2 Bb4 22. Bg5 h5 23. Bxg6 Bxg4 24. Qxg4 hxg4 25. Rch2 Nf5 26. Bxf5 Rxf5 27. Rh8+ Kf7 1/2-1/2

[Event "UKR-ch36"]
[Site "Kiev"]
[Date "1967.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Yanitsky, Yury"]
[Result "0-1"]
[ECO "E66"]
[PlyCount "84"]
[EventDate "1967.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 0-0 5. Bg2 c5 6. 0-0 d6 7. Nc3 Nc6 8. d5 Na5 9. Nd2 e5 10. a3 b6 11. b4 Nb7 12. Bb2 Ng4 13. e4 f5 14. exf5 gxf5 15. Qe2 Bd7 16. f3 Nf6 17. Nd1 Qe8 18. Nf2 Qg6 19. Rae1 h5 20. f4 e4 21. Nd1 Rae8 22. Kh1 Nd8 23. Rg1 Nf7 24. Nf1 Nh6 25. h4 Nhg4 26. Bh3 Qf7 27. Nfe3 Rc8 28. Bxg4 hxg4 29. b5 a6 30. a4 axb5 31. axb5 Ra8 32. Nc3 Nh5 33. Rg2 Bd4 34. Qd2 Qf6 35. Ra1 Kf7 36. Rxa8 Rxa8 37. Nc2 Rh8 38. Nxd4 Nxg3+ 39. Kg1 cxd4 40. Rxg3 Qxh4 41. Qg2 dxc3 42. Bxc3 Rc8 0-1

[Event "UKR-ch36"]
[Site "Kiev"]
[Date "1967.??.??"]
[Round "?"]
[White "Lazarev, Efim M"]
[Black "Kogan, Efim"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "84"]
[EventDate "1967.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 a5 8. Bd3 Na6 9. a3 Nc7 10. Nge2 Ne6 11. Bh4 g6 12. 0-0 0-0 13. Na4 Ng7 14. Nc5 Nf5 15. Bg5 Nd6 16. b4 Re8 17. Rfb1 axb4 18. axb4 Rxa1 19. Rxa1 Nfe4 20. Bxe7 Qxe7 21. Nf4 Bf5 22. Ra7 Nxc5 23. bxc5 Nb5 24. Ra4 Bxd3 25. Qxd3 Rd8 26. Qd2 Qc7 27. h4 Re8 28. h5 Kg7 29. Ra1 Re4 30. Ra8 Qd7 31. Qa5 Re8 32. Kf1 Rxa8 33. Qxa8 Qe7 34. Qb8 Nc3 35. Ke1 Ne4 36. hxg6 hxg6 37. Nd3 Nf6 38. Ne5 Ne4 39. Nd3 Qh4 40. Qe5+ Kg8 41. Qb8+ Kg7 42. Qe5+ Kg8 1/2-1/2

[Event "UKR-ch36"]
[Site "Kiev"]
[Date "1967.??.??"]
[Round "?"]
[White "Polusmiak, Alexander"]
[Black "Kogan, Efim"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "60"]
[EventDate "1967.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. Bb3 g6 8. f3 Bg7 9. Be3 Qa5 10. Qd2 Rc8 11. 0-0-0 Ne5 12. Qe2 a6 13. Kb1 b5 14. Nd5 Nxd5 15. exd5 0-0 16. h4 Nc4 17. h5 Rc5 18. hxg6 hxg6 19. Bh6 Nxb2 20. Bxg7 Nxd1 21. Qxe7 Nc3+ 22. Kb2 Na4+ 23. Kc1 Kxg7 24. Qxd7 Qc3 25. Ne6+ Kg8 26. Qe7 Rfc8 27. Qh4 fxe6 28. dxe6 Rh5 29. e7+ Kg7 30. Qe1 Rxh1 0-1

[Event "Leningrad KM"]
[Site "Leningrad"]
[Date "1959.??.??"]
[Round "?"]
[White "Chistiakov, Alexander Nikolaevi"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "D23"]
[PlyCount "53"]
[EventDate "1959.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nbd7 5. Qxc4 Nb6 6. Qc2 Bg4 7. Nc3 c6 8. e4 Bxf3 9. gxf3 Qxd4 10. Be3 Qd7 11. a4 e5 12. a5 Nc8 13. h4 Bb4 14. Qb3 Qd6 15. Ra4 c5 16. Bb5+ Nd7 17. Ke2 a6 18. Rd1 axb5 19. Rxd6 bxa4 20. Re6+ fxe6 21. Qxe6+ Ne7 22. Nd5 0-0-0 23. Nxe7+ Kb8 24. a6 Rhe8 25. Qd6+ Ka7 26. Nd5 b6 27. Qc6 1-0

[Event "Leningrad KM"]
[Site "Leningrad"]
[Date "1959.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Prokhorovich, Taras E"]
[Result "1-0"]
[ECO "D18"]
[PlyCount "65"]
[EventDate "1959.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. a5 Bd6 8. Bxc4 0-0 9. 0-0 Nbd7 10. a6 b5 11. Bd3 b4 12. Ne2 c5 13. Bxf5 exf5 14. dxc5 Nxc5 15. Ned4 g6 16. Bd2 Qb6 17. Qe2 Rab8 18. Rfd1 Nd5 19. Be1 Nc7 20. Nd2 N7xa6 21. Nc4 Qc7 22. Nxd6 Qxd6 23. Nxf5 Qf6 24. Nd4 Qb6 25. f3 Nc7 26. Bf2 a5 27. e4 a4 28. Qc4 N7a6 29. Qd5 Rfd8 30. Qg5 Qd6 31. Bg3 Qb6 32. Bxb8 Ne6 33. Qb5 1-0

[Event "Odessa KM"]
[Site "Odessa"]
[Date "1957.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Rotstein, Jefim"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "59"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 Qc7 10. h3 b5 11. Be3 Nbd7 12. a3 Bb7 13. g4 Nb6 14. Ng3 Rfd8 15. g5 Nfd7 16. Qe2 Nc5 17. Nd5 Nxd5 18. exd5 Bc8 19. Rfc1 Bd7 20. b4 Na4 21. c4 bxc4 22. Rxc4 Qb7 23. Qc2 Rac8 24. Rc6 Qb5 25. Rc1 Rxc6 26. dxc6 Rc8 27. Nf5 Bxf5 28. Qxf5 Rc7 29. Qc2 d5 30. Bf1 1-0

[Event "UKR-ch26"]
[Site "Kiev"]
[Date "1957.??.??"]
[Round "?"]
[White "Kots, Yury Isakovich"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E95"]
[PlyCount "87"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 Re8 9. Bf1 c6 10. Rb1 exd4 11. Nxd4 d5 12. exd5 Rxe1 13. Qxe1 cxd5 14. Bf4 dxc4 15. Rd1 Qe8 16. Qxe8+ Nxe8 17. Bxc4 Nb6 18. Be2 a6 19. Bf3 Nc4 20. Nde2 Kf8 21. Na4 Ke7 22. b3 Ne5 23. Nb6 Rb8 24. Nxc8+ Rxc8 25. Bxb7 Rc2 26. Rd2 Rxd2 27. Bxd2 Nc7 28. Nc3 Nd3 29. Nd5+ Nxd5 30. Bxd5 Bd4 31. Bc4 Nxf2 32. Kf1 Ng4 33. Ke2 Nxh2 34. Bxa6 Ng4 35. Kd3 Bb6 36. Kc4 Kd6 37. Kb5 Bd4 38. Bb4+ Kc7 39. Ba5+ Kb8 40. Bb6 Bxb6 41. Kxb6 Ne3 42. Bb7 Nc2 43. a4 Nb4 44. a5 1-0

[Event "UKR-ch26"]
[Site "Kiev"]
[Date "1957.??.??"]
[Round "?"]
[White "Sakharov, Yuri N"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E70"]
[PlyCount "65"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 c5 6. d5 Qa5 7. Qd2 0-0 8. f4 a6 9. Bd3 e6 10. Nge2 exd5 11. exd5 Nbd7 12. 0-0 Rb8 13. a4 Qb4 14. Qc2 Ng4 15. Nd1 Re8 16. Bh4 Ne3 17. Nxe3 Rxe3 18. Ra2 Qb6 19. Nc3 f5 20. g4 fxg4 21. Ne4 Bd4 22. Kg2 Nf8 23. Nf6+ Kg7 24. f5 Bxf6 25. Bxf6+ Kxf6 26. fxg6+ Rf3 27. Qc3+ Kg5 28. g7 Be6 29. gxf8Q Rbxf8 30. Qg7+ Kh5 31. Qxh7+ Kg5 32. Qg6+ Kf4 33. Qh6+ 1-0

[Event "UKR-ch26"]
[Site "Kiev"]
[Date "1957.??.??"]
[Round "?"]
[White "Zurakhov, Vladlen Y"]
[Black "Kogan, Efim"]
[Result "1/2-1/2"]
[ECO "B66"]
[PlyCount "42"]
[EventDate "1957.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. f3 d5 12. Qe1 Bb4 13. a3 Be7 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Bc4 0-0 17. Bxd5 exd5 18. Qd2 Rc8 19. Rhe1 Bf6 20. Be5 Bxe5 21. Rxe5 Qc7 1/2-1/2

[Event "Moscow"]
[Site "Moscow"]
[Date "1956.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Livshin, Iosif M"]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "60"]
[EventDate "1956.10.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Qe2 c5 11. Rad1 cxd4 12. exd4 Re8 13. Ne5 dxc4 14. Bxc4 Nd5 15. Bg3 Nxc3 16. bxc3 Nxe5 17. Bxe5 Bf6 18. f4 Rc8 19. Bb5 Rf8 20. Rd3 a6 21. Ba4 Bd5 22. Bb3 b5 23. Rg3 Bc4 24. Qg4 Bxf1 25. Qxg7+ Bxg7 26. Rxg7+ Kh8 27. Rxf7+ Kg8 28. Rg7+ Kh8 29. Re7+ Kg8 30. Rg7+ Kh8 1/2-1/2

[Event "Moscow"]
[Site "Moscow"]
[Date "1956.??.??"]
[Round "?"]
[White "Osnos, Viatcheslav"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E50"]
[PlyCount "90"]
[EventDate "1956.10.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 0-0 7. 0-0 d6 8. Ne4 Nxe4 9. Bxe4 d5 10. Bb1 cxd4 11. Nxd4 Nxd4 12. Qxd4 dxc4 13. Qxc4 Be7 14. Be4 Rb8 15. Qc2 h6 16. Rd1 Bd7 17. Bd2 Qb6 18. Bc3 Bc6 19. Bd4 Bxe4 20. Qxe4 Qa5 21. Bc3 Qf5 22. Qxf5 exf5 23. Rd7 Bc5 24. Rd5 Rbc8 25. Rxf5 Rfd8 26. Kf1 f6 27. Ke2 Kf7 28. Rd1 Rxd1 29. Kxd1 Ke6 30. g4 b5 31. Rf4 a6 32. h4 Rc7 33. Ke2 Rb7 34. Re4+ Kd5 35. Re8 b4 36. Bd2 Kc4 37. Re6 a5 38. g5 hxg5 39. hxg5 fxg5 40. Rg6 a4 41. Rxg5 Rf7 42. f3 a3 43. Rg4+ Kb5 44. bxa3 bxa3 45. Bc3 Bf8 1-0

[Event "URS U20 Team-ch"]
[Site "Leningrad"]
[Date "1954.08.??"]
[Round "?"]
[White "Shmulenson, Grigori"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "B67"]
[PlyCount "77"]
[EventDate "1954.08.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 Qc7 15. Rd2 Ne7 16. Bxf6 gxf6 17. Ne4 Nd5 18. Rxd5 exd5 19. Nxf6+ Kd8 20. Nxd5 Qd6 21. Qa5+ b6 22. Qxb6+ Qxb6 23. Nxb6 Ra7 24. Nxd7 Kxd7 25. Bc4 Ke7 26. Re1+ Kf6 27. Rd1 Ke7 28. Rd5 Rc8 29. b3 a5 30. Rf5 Kf8 31. g4 Kg7 32. g5 hxg5 33. fxg5 Rd8 34. h4 a4 35. h5 a3 36. h6+ Kh7 37. Rxf7+ Kh8 38. g6 Rxf7 39. gxf7 1-0

[Event "UKR-ch23"]
[Site "Kiev"]
[Date "1954.??.??"]
[Round "?"]
[White "Gufeld, Eduard"]
[Black "Kogan, Efim"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "64"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "UKR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bxf6 Bxf6 8. cxd5 exd5 9. Bd3 c5 10. dxc5 Bxc3+ 11. bxc3 Qa5 12. 0-0 Qxc5 13. Nd4 Nd7 14. Rc1 Nf6 15. c4 Bg4 16. Qb3 dxc4 17. Rxc4 Qe7 18. Rfc1 Rac8 19. h3 Rxc4 20. Bxc4 Bc8 21. Bd3 Rd8 22. Qa4 a6 23. Qa5 Ne8 24. Bxa6 Bxh3 25. gxh3 Ra8 26. Qc5 Qxc5 27. Rxc5 Rxa6 28. Rc8 Kf8 29. Rb8 Rxa2 30. Rxb7 Ra8 31. Nf5 Rd8 32. Rb6 h5 1/2-1/2

[Event "UKR-ch23"]
[Site "Kiev"]
[Date "1954.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Lazarev, Efim M"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "65"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "UKR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bd7 7. Bg2 Nc6 8. Nde2 Bg7 9. 0-0 0-0 10. h3 Qa5 11. Nd5 Nxd5 12. exd5 Ne5 13. b3 Qa6 14. Nd4 Nd3 15. Be3 Nc5 16. a4 Qa5 17. c4 Qc3 18. Rc1 Qd3 19. Qxd3 Nxd3 20. Rc3 Nc5 21. a5 b6 22. b4 Na4 23. Ra3 Bxd4 24. Bxd4 bxa5 25. bxa5 Rfb8 26. Re1 Nb2 27. Rxe7 Nxc4 28. Rc3 Rb1+ 29. Kh2 Bb5 30. Rc7 Rb4 31. Bf6 Re8 32. Rxa7 h5 33. Rb7 1-0

[Event "UKR-ch23"]
[Site "Kiev"]
[Date "1954.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Stoliarov, Leonid"]
[Result "1-0"]
[ECO "D39"]
[PlyCount "39"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "UKR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Bb4 5. Nf3 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bxf6 Bxc3+ 10. bxc3 Qxc3+ 11. Kf1 Qxc4+ 12. Kg1 Nd7 13. Bxg7 Rg8 14. Rc1 Qa6 15. Bh6 Rg6 16. Be3 Ne5 17. h4 Bd7 18. Qh5 Nc6 19. Nb5 0-0-0 20. Qe5 1-0

[Event "URS-ch18 Semifinal"]
[Site "Kiev"]
[Date "1950.??.??"]
[Round "3"]
[White "Kogan, Efim"]
[Black "Kopaev, Nikolay Antonovich"]
[Result "1-0"]
[ECO "C91"]
[PlyCount "99"]
[EventDate "1950.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. d4 Bg4 10. h3 Bxf3 11. gxf3 Na5 12. Bc2 Nh5 13. f4 Nxf4 14. Bxf4 exf4 15. Kh2 c5 16. Nd2 Bh4 17. Qe2 Rc8 18. Nf3 Nc4 19. Rg1 cxd4 20. cxd4 f5 21. a4 d5 22. e5 b4 23. Bd3 a5 24. Rac1 Nb6 25. Rxc8 Nxc8 26. Rc1 Be7 27. Ba6 Nb6 28. Qb5 g5 29. Rc6 g4 30. Rh6 gxf3 31. Bb7 Kh8 32. Bxd5 Bh4 33. Rd6 Bg3+ 34. fxg3 Qg5 35. g4 fxg4 36. Qf1 Qh4 37. Rc6 g3+ 38. Kg1 g2 39. Qxf3 Qe1+ 40. Kxg2 Qd2+ 41. Qf2 f3+ 42. Kg1 Qg5+ 43. Kf1 Qh5 44. h4 Qg4 45. Ke1 Qf5 46. Rc1 b3 47. Rd1 Qh3 48. Bxb3 Rb8 49. Bc4 Qg4 50. b3 1-0

[Event "UKR-ch19"]
[Site "Kiev"]
[Date "1950.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Lipnitsky, Isaak"]
[Result "0-1"]
[ECO "D38"]
[PlyCount "40"]
[EventDate "1950.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 c5 8. cxd5 exd5 9. Qxd5 Nc6 10. e3 Be6 11. Qe4 0-0-0 12. Qc2 cxd4 13. exd4 Bf5 14. Bd3 Rhe8+ 15. Kf1 Bxd3+ 16. Qxd3 Nxd4 17. Qc4+ Kb8 18. Ne1 Bxc3 19. bxc3 Nc2 20. Nxc2 Rd2 0-1

[Event "URS-ch18 Semifinal"]
[Site "Kiev"]
[Date "1950.??.??"]
[Round "1"]
[White "Kogan, Efim"]
[Black "Ragozin, Viacheslav"]
[Result "0-1"]
[ECO "C81"]
[PlyCount "68"]
[EventDate "1950.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. a4 b4 11. c3 Nc5 12. Bc2 Bg4 13. Nbd2 0-0 14. Nb3 Bxf3 15. Qxf3 Nxe5 16. Qf5 Ng6 17. cxb4 Nxb3 18. Bxb3 c6 19. Bd2 Rb8 20. b5 axb5 21. axb5 Rxb5 22. Ba4 Rxb2 23. Bc3 Re2 24. Bxc6 d4 25. Qd3 Re6 26. Ba5 Qd6 27. Be4 Ne5 28. Qc2 d3 29. Qc7 Qd4 30. Qb7 Bc5 31. Qd5 Ng4 32. Rae1 Nxf2 33. Qxd4 Bxd4 34. Rxf2 Rfe8 0-1

[Event "URS-ch18 Semifinal"]
[Site "Kiev"]
[Date "1950.??.??"]
[Round "7"]
[White "Kogan, Efim"]
[Black "Sokolsky, Alexey Pavlovich"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "60"]
[EventDate "1950.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bg4 7. Be2 Qc7 8. 0-0 Nd7 9. c4 0-0-0 10. Qa4 e5 11. d5 Kb8 12. h3 h5 13. Be3 c5 14. Qc2 f5 15. hxg4 hxg4 16. Ng5 e4 17. g3 Ne5 18. Bf4 Bd6 19. Bxe5 Bxe5 20. Kg2 Rh5 21. Nxe4 fxe4 22. Bxg4 Rg5 23. Qxe4 f5 24. Bxf5 Bxg3 25. Rfe1 Bxf2+ 26. Kxf2 Qh2+ 27. Ke3 Rg3+ 28. Qf3 Rxf3+ 29. Kxf3 Rf8 30. Ke4 Qc2+ 0-1

[Event "UKR-ch19"]
[Site "Kiev"]
[Date "1950.??.??"]
[Round "?"]
[White "Poliak, Evsey"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "73"]
[EventDate "1950.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. exf5 gxf5 10. Bd3 Nd7 11. 0-0-0 a6 12. Nge2 Nc5 13. Bb1 Qh4 14. g4 Nf4 15. Nxf4 exf4 16. Bxc5 dxc5 17. Bxf5 Bxf5 18. gxf5 Bd4 19. Kb1 Rxf5 20. Ne4 Rf7 21. Qe2 Rg7 22. Rxd4 cxd4 23. Qd3 Qh3 24. c5 Qg2 25. Rc1 Qxh2 26. Qxd4 Qh3 27. d6 cxd6 28. cxd6 Rd8 29. Qe5 Qxf3 30. d7 Qd3+ 31. Ka1 Qb5 32. Nf6+ Kf7 33. Qc7 Rgg8 34. Nxg8 Rxd7 35. Nh6+ Kg6 36. Rg1+ Kh5 37. Qxf4 1-0

[Event "UKR-ch18"]
[Site "Odessa"]
[Date "1949.??.??"]
[Round "?"]
[White "Kogan, Efim"]
[Black "Pogrebissky, Iosif"]
[Result "1/2-1/2"]
[ECO "C80"]
[PlyCount "32"]
[EventDate "1949.07.04"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "UKR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nxe4 7. d4 d5 8. c4 Bg4 9. cxd5 Nxd4 10. Re1 f5 11. h3 Nxf3+ 12. gxf3 Qh4 13. Rxe4 fxe4 14. fxg4 Bc5 15. Qc2 Qg3+ 16. Kf1 Qxh3+ 1/2-1/2

[Event "UKR-ch18"]
[Site "Odessa"]
[Date "1949.??.??"]
[Round "12"]
[White "Skotorenko, Vasily G"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "60"]
[EventDate "1949.07.04"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "UKR"]
[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 0-0 5. f3 d6 6. Bg5 h6 7. Be3 e5 8. d5 Nh5 9. Qd2 Kh7 10. g4 Nf4 11. Bxf4 exf4 12. Qxf4 Nd7 13. 0-0-0 a6 14. Qe3 Ne5 15. h3 b5 16. cxb5 axb5 17. Bxb5 Bd7 18. Be2 Qb8 19. b3 Qb4 20. Kb1 Rfb8 21. Rc1 Ba4 22. Nxa4 Qxa4 23. Kc2 Qxa2+ 24. Kd1 Rxb3 25. Qd2 Rb2 26. Qf4 Qb3+ 27. Ke1 Rxe2+ 28. Kxe2 Ra2+ 29. Kf1 Qd3+ 30. Ke1 Nxf3+ 1-0

[Event "UKR-ch18"]
[Site "Odessa"]
[Date "1949.??.??"]
[Round "?"]
[White "Sokolsky, Alexey Pavlovich"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "95"]
[EventDate "1949.07.04"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "UKR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. c4 0-0 5. e3 d6 6. d4 e5 7. Be2 Nbd7 8. Qb3 Re8 9. 0-0 Ne4 10. Nc3 Nxc3 11. Bxc3 Qe7 12. a4 Nf8 13. Rfd1 Bg4 14. dxe5 dxe5 15. Qb2 f6 16. Rd2 Rad8 17. Rad1 Be6 18. b5 Rxd2 19. Rxd2 Rd8 20. Bb4 Qe8 21. a5 Rxd2 22. Nxd2 Bd7 23. Bf3 c6 24. Bc5 f5 25. bxc6 bxc6 26. Qb7 e4 27. Be2 Ne6 28. Bxa7 c5 29. Nb3 Bf8 30. Qb8 Kf7 31. h4 Qxb8 32. Bxb8 Bc8 33. f3 Ke7 34. fxe4 fxe4 35. Bg4 Ba6 36. Nd2 Bb7 37. Kf2 Bg7 38. Nb3 Bf8 39. Ba7 Ba6 40. Nxc5 Bxc4 41. Nxe6 Bxe6 42. Bxe6 Kxe6 43. Bd4 Kd5 44. a6 Kc6 45. a7 Kb7 46. h5 Bd6 47. hxg6 hxg6 48. Ke2 1-0

[Event "URS-chT Republics 01st final"]
[Site "Leningrad"]
[Date "1948.09.??"]
[Round "7"]
[White "Kogan, Efim"]
[Black "Klaman, Konstantin"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "47"]
[EventDate "1948.09.12"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "URS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Leningrad"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "RUS"]

1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 b5 8. Bf3 Ra7 9. Be3 Rd7 10. a4 b4 11. Na2 Bb7 12. Qd3 d5 13. e5 Ne4 14. Nc1 Be7 15. Bg4 Qc7 16. f4 0-0 17. Ncb3 Nc6 18. Nxc6 Bxc6 19. Bd4 g6 20. Qh3 Rdd8 21. Rf3 Rfe8 22. Bxe6 fxe6 23. Qxe6+ Kh8 24. Qf7 1-0

[Event "UKR-ch17"]
[Site "Kiev"]
[Date "1948.??.??"]
[Round "?"]
[White "Pogrebissky, Iosif"]
[Black "Kogan, Efim"]
[Result "0-1"]
[ECO "A98"]
[PlyCount "64"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. Nc3 d6 7. d4 Qe8 8. Qc2 Qh5 9. e4 e5 10. dxe5 dxe5 11. Bg5 fxe4 12. Nxe4 Nc6 13. Nxf6+ Bxf6 14. Bxf6 Rxf6 15. Qe4 Bg4 16. Nh4 g5 17. h3 Bxh3 18. Bxh3 gxh4 19. Kg2 Kh8 20. Bd7 Rd8 21. Bxc6 hxg3 22. Rh1 Rxf2+ 23. Kxg3 Rh2 24. Qg4 Rxh1 25. Rxh1 Rd3+ 26. Bf3 Qxh1 27. Qc8+ Kg7 28. Qxc7+ Kf6 29. Qxb7 Qg1+ 30. Kh3 Qf2 31. Kg4 h5+ 32. Kxh5 Qh2+ 0-1

[Event "UKR-ch17"]
[Site "Kiev"]
[Date "1948.??.??"]
[Round "?"]
[White "Sakharov, Yuri N"]
[Black "Kogan, Efim"]
[Result "1/2-1/2"]
[ECO "B74"]
[PlyCount "40"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5 14. Nxa5 Qxa5 15. e5 d4 16. Bxd4 Nd7 17. f6 exf6 18. exf6 Bxf6 19. Bxf6 Qb6+ 20. Kh1 Nxf6 1/2-1/2

[Event "Odessa"]
[Site "Odessa"]
[Date "1946.??.??"]
[Round "?"]
[White "Geller, Efim P"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "67"]
[EventDate "1946.??.??"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0 Be7 10. Rad1 0-0 11. Rfe1 Qc7 12. h3 Rfd8 13. Nh2 b5 14. Rd3 a5 15. Rf3 b4 16. Rxf6 bxc3 17. Ng4 h5 18. Bh6 e5 19. Qe3 hxg4 20. Bxg7 Kxg7 21. Qh6+ Kg8 22. Rf5 Be8 23. Rh5 f6 24. Rh4 Qc8 25. Qh8+ Kf7 26. Rh7+ Ke6 27. Qg7 Kd7 28. Re3 cxb2 29. Qxe7+ Kc6 30. Rc3+ Kb6 31. Rxc8 b1Q+ 32. Kh2 Rd7 33. Qxe8 Rxh7 34. Qc6+ 1-0

[Event "Match Yudovich-Kogan +3-0=0"]
[Site "Moscow"]
[Date "1946.??.??"]
[Round "6"]
[White "Kogan, Efim"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "0-1"]
[ECO "D48"]
[PlyCount "68"]
[EventDate "1946.??.??"]
[EventType "match"]
[EventRounds "12"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. a4 b4 11. Ne4 Bb7 12. Ned2 Be7 13. Qe2 0-0 14. e4 cxd4 15. e5 Nd5 16. Ne4 h6 17. Bd2 Re8 18. Rfc1 Bf8 19. a5 Qb8 20. Ng3 g6 21. h4 Bg7 22. Re1 Qd8 23. h5 g5 24. Ne4 g4 25. Nxd4 Nxe5 26. Bc2 Rc8 27. Ba4 Rc4 28. Bxe8 Rxd4 29. Nc5 Ba8 30. Bxh6 Nf4 31. Bxf4 Rxf4 32. Bd7 Qh4 33. Qxa6 Qxf2+ 34. Kh1 Qxg2# 0-1

[Event "Match Yudovich-Kogan +3-0=0"]
[Site "Moscow"]
[Date "1946.??.??"]
[Round "10"]
[White "Kogan, Efim"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "64"]
[EventDate "1946.??.??"]
[EventType "match"]
[EventRounds "12"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4 11. Nxh8 Bb4 12. Qd2 c5 13. dxc5 Nd7 14. 0-0-0 Nxe5 15. g3 Qf6 16. f4 Nf3 17. Qc2 Bxc3 18. bxc3 Qxh8 19. Rxd5 exd5 20. Qe2+ Kf8 21. Qxf3 Bf5 22. Rg1 Re8 23. g4 Bd3 24. Bxd3 Qxc3+ 25. Kb1 cxd3 26. Qxd5 Re1+ 27. Rxe1 Qxe1+ 28. Kb2 Qb4+ 29. Qb3 Qd2+ 30. Kb1 Qe1+ 31. Kb2 d2 32. Qc3 d1N+ 0-1

[Event "Match Yudovich-Kogan +3-0=0"]
[Site "Moscow"]
[Date "1946.??.??"]
[Round "12"]
[White "Kogan, Efim"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "84"]
[EventDate "1946.??.??"]
[EventType "match"]
[EventRounds "12"]
[EventCountry "URS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Be2 Nc6 4. 0-0 Nf6 5. Nc3 d5 6. exd5 Nxd5 7. Bb5 Nxc3 8. bxc3 Bd7 9. d4 Be7 10. Bf4 0-0 11. Rb1 cxd4 12. cxd4 Rc8 13. Qe2 Nb4 14. Bxd7 Qxd7 15. c4 b6 16. Rfd1 Rfd8 17. Ne5 Qe8 18. Rbc1 Bd6 19. Bg3 Bxe5 20. dxe5 Qa4 21. Bh4 Rxd1+ 22. Rxd1 Qxa2 23. Qg4 Qc2 24. h3 Nd3 25. f4 Nxf4 26. Rd7 Ng6 27. Rxa7 h5 28. Qf3 Qf5 29. Qxf5 exf5 30. Bf2 Rxc4 31. Bxb6 Nxe5 32. Ra2 f4 33. Kf2 f6 34. Ba7 Kf7 35. Bb8 Ke6 36. Rd2 Kf5 37. Bd6 g5 38. Be7 g4 39. hxg4+ hxg4 40. Bd8 Rc1 41. g3 fxg3+ 42. Kxg3 Rc3+ 0-1

[Event "UKR-ch14"]
[Site "Kiev"]
[Date "1944.??.??"]
[Round "?"]
[White "Kofman, Rafael Moiseevich"]
[Black "Kogan, Efim"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "85"]
[EventDate "1945.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. Qd2 Nec6 9. 0-0 Qa5 10. Nc1 d6 11. Nb3 Qc7 12. f4 Ne7 13. Rae1 Bd7 14. Qf2 Nxb3 15. axb3 Rc8 16. f5 gxf5 17. exf5 Nxf5 18. g4 Bxc3 19. bxc3 Bc6 20. Bxc6+ Qxc6 21. Bg5 Kd7 22. Qxf5 exf5 23. Re7+ Kd8 24. Rxf7+ Ke8 25. Re7+ Kd8 26. Rxb7+ Ke8 27. Re1+ Kf8 28. Bh6+ Kg8 29. Rg7+ Kf8 30. Rc7+ Kg8 31. Rxc6 Rxc6 32. Re7 Rc8 33. Rxa7 d5 34. gxf5 d4 35. c4 Re8 36. Kf2 Rd8 37. f6 Rd6 38. Bg7 Rd8 39. Re7 Ra8 40. Bxh8 Kxh8 41. f7 Ra2 42. Re8+ Kg7 43. f8Q+ 1-0

