[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Mitchell, Robert Charles"]
[Result "1/2-1/2"]
[ECO "C89"]
[PlyCount "70"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. Bxd5 cxd5 19. a4 f5 20. Qf1 Qh5 21. f4 Rfe8 22. Bf2 Re2 23. Qg2 h6 24. axb5 Rxd2 25. bxa6 Bb8 26. Rxe8+ Qxe8 27. h3 Bh5 28. a7 Bxa7 29. Rxa7 Qe2 30. g4 fxg4 31. hxg4 Rd1+ 32. Kh2 Bxg4 33. Bh4 Qxg2+ 34. Kxg2 Rd2+ 35. Kg3 Bf5 1/2-1/2

[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Groiss, Werner"]
[Black "Kogan, Sergey Mikhailovich"]
[Result "0-1"]
[ECO "E13"]
[PlyCount "62"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 b6 6. Bg5 h6 7. Bh4 Bb7 8. e3 d6 9. Bd3 Nbd7 10. 0-0 Qe7 11. Nd2 g5 12. Bg3 h5 13. h3 0-0-0 14. Bh2 Rdg8 15. e4 Ne8 16. Re1 g4 17. Re3 Rg7 18. Bf1 Rhg8 19. a4 a5 20. Rb1 e5 21. d5 Nc5 22. Qc2 Kd8 23. Nb3 h4 24. Nxc5 dxc5 25. Kh1 Nd6 26. Rbe1 Bc8 27. f4 g3 28. fxe5 Qxe5 29. Bg1 Re8 30. Qb3 f6 31. Qa2 Rge7 0-1

[Event "EU-ch corr"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Sprenger, Ernst Hendrik"]
[Black "Kogan, Sergey Mikhailovich"]
[Result "1/2-1/2"]
[ECO "D43"]
[PlyCount "119"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qc2 Nd7 8. e4 dxe4 9. Qxe4 Bd6 10. c5 Bc7 11. Bd3 Qf4 12. Qe2 0-0 13. g3 Qf6 14. Qe4 g6 15. Qe3 e5 16. Ne4 Qg7 17. 0-0-0 exd4 18. Nxd4 Be5 19. Bc4 b6 20. Rd2 bxc5 21. Nxc6 Nb6 22. Nxe5 Qxe5 23. Bd5 Rb8 24. Qc3 Qxc3+ 25. Nxc3 Bf5 26. Be4 Be6 27. Rhd1 Rfe8 28. Nd5 Nxd5 29. Bxd5 Bf5 30. b3 Kg7 31. Kb2 Be4 32. Kc3 a5 33. Bxe4 Rxe4 34. Rd8 Rxd8 35. Rxd8 a4 36. f3 Rb4 37. Ra8 axb3 38. axb3 Rb5 39. Ra3 Kf6 40. Kc4 Rb8 41. Ra5 Ke6 42. Rxc5 Ra8 43. h4 Ra1 44. Kb5 Rg1 45. g4 Rf1 46. Rc3 Rh1 47. Kc6 Rxh4 48. Re3+ Kf6 49. b4 h5 50. b5 hxg4 51. Re4 Rh3 52. fxg4 Kg5 53. Rb4 f5 54. gxf5 gxf5 55. b6 Rh6+ 56. Kd5 Rh8 57. b7 Rb8 58. Rb1 f4 59. Ke4 f3 60. Kxf3 1/2-1/2

[Event "EU-ch27 corr"]
[Site "ICCF corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Sychev, Anatoly Viktorovich"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "69"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. Nh3 a6 10. Be2 Rb8 11. 0-0 Qa5 12. a3 Qc7 13. a4 Nb6 14. Nf2 Bd7 15. g4 Kh8 16. Bh6 e6 17. Bxg7+ Kxg7 18. dxe6 Bxe6 19. b3 Rbd8 20. f4 h6 21. Bf3 Nc8 22. Qb2 Kh7 23. Rac1 Ne7 24. Nd5 Bxd5 25. Qxf6 Ng8 26. Qh4 Bc6 27. g5 Qe7 28. Ng4 Qf8 29. Rc3 Qg7 30. e5 Bxf3 31. Rfxf3 Rd7 32. gxh6 Qf8 33. f5 Qe7 34. fxg6+ Kxg6 35. Nf6 1-0

[Event "EU-ch27 corr"]
[Site "ICCF corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Teichmeister, Sven"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2419"]
[BlackElo "2546"]
[PlyCount "69"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 b5 11. Nd5 f5 12. exf5 Bxf5 13. c3 Bg7 14. Nc2 0-0 15. Be2 Be6 16. Nce3 f5 17. f4 Rb8 18. 0-0 a5 19. Qd2 b4 20. a4 Rf7 21. Rac1 e4 22. Rfd1 bxc3 23. bxc3 Rfb7 24. Rc2 Rb1 25. Bb5 Rxd1+ 26. Qxd1 Ne7 27. h3 Nxd5 28. Nxd5 Kh8 29. Kh2 Qc8 30. Rd2 Qc5 31. c4 Qa7 32. Qg1 Qb7 33. Qe3 Rf8 34. Rd1 Rb8 35. Rd2 1/2-1/2

[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1976.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Rissmann, Horst"]
[Result "1-0"]
[ECO "E88"]
[PlyCount "79"]
[EventDate "1976.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 c6 5. Be3 Nf6 6. f3 0-0 7. Qd2 e5 8. d5 cxd5 9. cxd5 Nh5 10. 0-0-0 Qa5 11. Kb1 a6 12. Nge2 Nd7 13. g4 Nf4 14. Nxf4 exf4 15. Bxf4 Ne5 16. Be2 b5 17. Rc1 Re8 18. Bh6 Bh8 19. Nd1 b4 20. Ne3 Qd8 21. Nc4 Nxc4 22. Rxc4 b3 23. a3 Bd7 24. Bg5 Bf6 25. Bxf6 Qxf6 26. Rc7 Rec8 27. Rhc1 Rxc7 28. Rxc7 Be8 29. Rc3 Qh4 30. Bd1 f5 31. gxf5 gxf5 32. exf5 Bd7 33. Bxb3 Bxf5+ 34. Bc2 Bxc2+ 35. Qxc2 Rf8 36. Rc4 Qe1+ 37. Ka2 Qe3 38. Rc7 Qh6 39. Qe4 Qf6 40. Qxh7# 1-0

[Event "EU-ch M/384 corr"]
[Site "ICCF corr"]
[Date "1976.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Von Weizsaecker, Robert K"]
[Result "1/2-1/2"]
[ECO "E95"]
[PlyCount "76"]
[EventDate "1976.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 Ng4 10. h3 exd4 11. Nxd4 Qb6 12. hxg4 Bxd4 13. Qd2 Bg7 14. Qc2 Ne5 15. Be3 Qc7 16. f3 Be6 17. c5 dxc5 18. Bxc5 Rfd8 19. Rad1 Bxg4 20. fxg4 Nxg4 21. g3 Qxg3+ 22. Qg2 Qxg2+ 23. Kxg2 b6 24. Be2 Ne5 25. Bd6 Re8 26. Bxe5 Bxe5 27. Bg4 Bxc3 28. bxc3 Re5 29. Bd7 Rc5 30. e5 Rxc3 31. e6 fxe6 32. Bxe6+ Kg7 33. Rd7+ Kf6 34. Bb3 a5 35. Rxh7 Rd8 36. Rf7+ Kg5 37. Re5+ Kh6 38. Rf3 Rd2+ 1/2-1/2

[Event "URS corr"]
[Site "USSR"]
[Date "1975.??.??"]
[Round "?"]
[White "Semenyuk, Vladimir Vladimirov"]
[Black "Kogan, Sergey Mikhailovich"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "61"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "URS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. d5 d6 6. Nc3 0-0 7. Bg2 e5 8. 0-0 Ne8 9. e4 Bg4 10. h3 Bxf3 11. Qxf3 Nd7 12. Qe2 Nc7 13. Bd2 Qe7 14. Rab1 Rac8 15. Rfe1 f5 16. exf5 gxf5 17. g4 Kh8 18. gxf5 Rxf5 19. Ne4 Rg8 20. Kh2 Qf8 21. Qg4 Ne8 22. Be3 Nb6 23. b3 Nc8 24. Ng3 Ne7 25. Nxf5 Nxf5 26. Rf1 e4 27. Qxe4 Be5+ 28. Bf4 Rxg2+ 29. Kxg2 Nh4+ 30. Kh1 Qxf4 31. Qxf4 1-0

[Event "URS-ch08 corr6768"]
[Site "USSR"]
[Date "1967.??.??"]
[Round "?"]
[White "Kotikov, IE."]
[Black "Kogan, Sergey Mikhailovich"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "95"]
[EventDate "1967.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 e5 11. b3 Bd6 12. 0-0 0-0 13. a4 c4 14. bxc4 b4 15. Ne2 Nc5 16. Ng3 a5 17. h3 Ne8 18. Be3 f6 19. Bc2 g6 20. Nd2 Nc7 21. Ne2 N7a6 22. f4 Bd7 23. Rf3 Qe7 24. Kh1 Rac8 25. Qf1 Qe8 26. Qd1 Qe7 27. fxe5 fxe5 28. Bh6 Rxf3 29. Nxf3 Rb8 30. Nc1 Qe8 31. Nd2 Qd8 32. Be3 Qc7 33. Ncb3 Rc8 34. Nf3 Nxb3 35. Bxb3 Nc5 36. Bxc5 Qxc5 37. Qg1 Qc7 38. Rc1 Bc5 39. Qh2 Re8 40. Qg3 Kg7 41. Ne1 Qd6 42. Nd3 Qe7 43. Rf1 Bd4 44. Kh2 h5 45. c5 Bxc5 46. Nxc5 Qxc5 47. d6 Qxd6 48. Rf7+ 1-0

[Event "URS corr"]
[Site "USSR"]
[Date "1963.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Boegenik"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "77"]
[EventDate "1963.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "URS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb4 5. Qc2 Bb7 6. a3 Bxc3+ 7. Qxc3 0-0 8. g3 d6 9. Bg2 Nbd7 10. 0-0 c5 11. dxc5 Nxc5 12. b4 Nce4 13. Qd4 Rc8 14. Bb2 Qe7 15. Rac1 Rc7 16. Nd2 Nxd2 17. Qxd2 Bxg2 18. Kxg2 Rfc8 19. Rfd1 Rxc4 20. Rxc4 Rxc4 21. Qxd6 Qxd6 22. Rxd6 Kf8 23. Rd8+ Ke7 24. Ra8 Rc7 25. Be5 Rb7 26. a4 g6 27. Bb8 Nd7 28. Bxa7 Kd6 29. a5 Kc6 30. Bxb6 Nxb6 31. Ra6 Kb5 32. Rxb6+ Rxb6 33. axb6 Kxb6 34. Kf3 Kb5 35. Ke4 f6 36. g4 Kxb4 37. Kd4 h6 38. f4 g5 39. f5 1-0

[Event "URS-ch sf corr"]
[Site "USSR"]
[Date "1963.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Schoydun"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "37"]
[EventDate "1963.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "URS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nbd7 7. e5 Ne8 8. Ne4 c5 9. c3 Kh8 10. h4 Nc7 11. h5 c4 12. Bc2 Kg8 13. hxg6 hxg6 14. Qe2 d5 15. Neg5 f5 16. g4 Qe8 17. Qh2 Nf6 18. exf6 exf6+ 19. Ne5 1-0

[Event "corr"]
[Site "corr"]
[Date "1947.??.??"]
[Round "?"]
[White "Kogan, Sergey Mikhailovich"]
[Black "Estrin, Yakov Borisovich"]
[Result "0-1"]
[ECO "C82"]
[PlyCount "94"]
[EventDate "1947.??.??"]
[EventType "game (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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. c3 Bc5 10. Nbd2 0-0 11. Bc2 f5 12. Nb3 Bb6 13. Nfd4 Nxd4 14. Nxd4 Bxd4 15. cxd4 f4 16. f3 Ng3 17. hxg3 fxg3 18. Qd3 Bf5 19. Qxf5 Rxf5 20. Bxf5 Qh4 21. Bh3 Qxd4+ 22. Kh1 Qxe5 23. Bd2 Qxb2 24. Bf4 d4 25. Bxc7 d3 26. Bxg3 d2 27. Be6+ Kh8 28. f4 Rd8 29. Rad1 Rd3 30. Bf2 Qf6 31. f5 g5 32. Bb6 g4 33. Kg1 Qe5 34. a4 g3 35. a5 Rd4 36. Kh1 Rh4+ 37. Kg1 Qe2 38. f6 Qh5 39. Bh3 Rxh3 40. gxh3 Qe2 41. Bf2 gxf2+ 42. Kg2 Kg8 43. f7+ Kf8 44. Kg3 b4 45. Kg2 b3 46. Kg3 b2 47. Kg2 Qe1 0-1

