[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.08.10"]
[Round "10"]
[White "Dziolko, Wiktor"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "1225"]
[BlackElo "1316"]
[PlyCount "39"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 e6 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nc6 8. c3 b6 9. Qc2 Bb7 10. Bd3 h6 11. 0-0-0 Qe7 12. Nxf6+ gxf6 13. d5 Ne5 14. Nxe5 fxe5 15. Bg6+ Kd8 16. dxe6 d6 17. Bf7 Bxg2 18. Rhg1 Bh3 19. Qg6 Kc8 20. Rg3 1-0

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.08.08"]
[Round "9"]
[White "Kozak, Jan"]
[Black "Przybylik, Mariusz"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1316"]
[BlackElo "1162"]
[PlyCount "125"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. 0-0 Nf6 7. f3 g6 8. Bxc6 bxc6 9. c4 Bg7 10. Nc3 0-0 11. b3 Qb6 12. Be3 Qa5 13. Qc2 Qe5 14. f4 Qh5 15. Rae1 Ng4 16. Nf3 Nxe3 17. Rxe3 Qc5 18. Qd3 Bg4 19. Kh1 Bxf3 20. Rexf3 e6 21. f5 Qd4 22. Ne2 Qxd3 23. Rxd3 Be5 24. Ng1 exf5 25. exf5 f6 26. Nf3 Rad8 27. Rfd1 Rc8 28. Nd4 a5 29. Kg1 c5 30. Nb5 Rcd8 31. fxg6 hxg6 32. Nxd6 Bd4+ 33. Rxd4 cxd4 34. Rxd4 Rfe8 35. Nxe8 Rxd4 36. Nxf6+ Kf7 37. Nd5 Rd1+ 38. Kf2 Rd2+ 39. Kf3 Rxa2 40. Ke4 Rb2 41. c5 Rxb3 42. Kd4 a4 43. Kc4 Rb8 44. Nb6 a3 45. Kb3 Rh8 46. h3 Rh5 47. Na4 Ke6 48. Kxa3 Rf5 49. Kb4 Rf2 50. Kb5 Rxg2 51. Kb6 Rh2 52. c6 Rxh3 53. Nc5+ Kf5 54. Nb7 Rb3+ 55. Kc5 Rc3+ 56. Kd5 Rxc6 57. Kxc6 g5 58. Nc5 g4 59. Nd3 g3 60. Ne1 Ke4 61. Kd6 Ke3 62. Ke5 Ke2 63. Kf4 1/2-1/2

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.08.03"]
[Round "8"]
[White "Kozera, Konrad"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1202"]
[BlackElo "1316"]
[PlyCount "53"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 c6 6. Qd2 Bd7 7. 0-0-0 Na6 8. Kb1 Rb8 9. e5 Nd5 10. Nxd5 cxd5 11. exd6 e6 12. g4 Qb6 13. Bh6 0-0 14. h4 Rfc8 15. Bxg7 Kxg7 16. h5 Ba4 17. Bd3 Rh8 18. Bxa6 bxa6 19. b3 a5 20. Qf4 Bd7 21. h6+ Kf8 22. Qf6 Qxd6 23. Qxh8+ Ke7 24. Qe5 Qb6 25. Ne2 a4 26. Nc3 a5 27. Nxd5+ 1-0

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.08.01"]
[Round "7"]
[White "Kozak, Jan"]
[Black "Rembecki, Robert"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1316"]
[BlackElo "1366"]
[PlyCount "43"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 Nf6 5. e5 Ne4 6. Nxe4 Bxe4 7. d4 d5 8. exd6 Bxd6 9. Qg4 Bg6 10. Nf3 Nd7 11. Be3 Nf6 12. Qg5 0-0 13. Rd1 h6 14. Qb5 a6 15. Qb3 Rb8 16. Ne5 Qe8 17. Nxg6 fxg6 18. Be2 e5 19. c5+ Qf7 20. Qxf7+ Rxf7 21. cxd6 cxd6 22. dxe5 1-0

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.27"]
[Round "6"]
[White "Jaroszuk, Marcin"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "1493"]
[BlackElo "1316"]
[PlyCount "114"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c5 7. Nc3 cxd4 8. Nxd4 Qc7 9. b3 Nc6 10. Bb2 Bd7 11. Rc1 a6 12. Nd5 Qd8 13. Nxc6 Bxc6 14. Nxf6+ exf6 15. Ba3 Bxg2 16. Kxg2 Qa5 17. Bxd6 Rfd8 18. Qd3 Bf8 19. c5 b6 20. Qf3 Bxd6 21. cxd6 Qe5 22. Rfd1 Ra7 23. Rc6 Rb7 24. Qe3 Qb5 25. Rc7 Rxc7 26. dxc7 Qc6+ 27. Qf3 Qxc7 28. Rd3 Kg7 29. h4 f5 30. Rc3 Qe7 31. Rc6 Rd6 32. Qc3+ Kh6 33. Qc1+ Kg7 34. Qc3+ Kh6 35. Rxd6 Qxd6 36. Qc4 b5 37. Qxf7 Qe5 38. Qf8+ Kh5 39. Qg8 Qe4+ 40. Kh2 Qe7 41. Qb8 Qxe2 42. Qf4 Qg4 43. Qc7 h6 44. Qb7 Qe2 45. Qg2 g5 46. hxg5 hxg5 47. f3 Qd3 48. Qf2 a5 49. Kg2 g4 50. fxg4+ Kxg4 51. Qf4+ Kh5 52. Qf3+ Qxf3+ 53. Kxf3 Kg5 54. a3 Kf6 55. Ke2 Ke6 56. Kd2 Kd6 57. Ke3 Ke5 1/2-1/2

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.25"]
[Round "5"]
[White "Kozak, Jan"]
[Black "Dziolko, Wiktor"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1316"]
[BlackElo "1225"]
[PlyCount "68"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. d4 dxc4 5. Qa4+ Bd7 6. Qxc4 Bd6 7. Bg2 h6 8. 0-0 c6 9. Re1 Qe7 10. e4 e5 11. dxe5 Bxe5 12. Nxe5 Qxe5 13. Nc3 0-0 14. Bf4 Qe6 15. Qb4 Na6 16. Qxb7 Nc5 17. Qc7 Ne8 18. Qe5 Qxe5 19. Bxe5 Nd3 20. Bxg7 Nxg7 21. Red1 Ne5 22. f4 Bg4 23. Rd6 Ng6 24. h3 Bc8 25. Rxc6 Rb8 26. Nd5 Rxb2 27. f5 Bb7 28. fxg6 Bxc6 29. Ne7+ Kh8 30. Nxc6 fxg6 31. Ne5 Kh7 32. Nf3 a5 33. a4 Nh5 34. Kh2 Rxf3 0-1

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.22"]
[Round "4"]
[White "Przybylik, Mariusz"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1162"]
[BlackElo "1316"]
[PlyCount "95"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 Nc6 5. Nf3 d5 6. Bd3 Bd7 7. 0-0 Be7 8. Nbd2 Nh5 9. Be5 cxd4 10. exd4 Qb6 11. Qc2 Nxe5 12. Nxe5 Bb5 13. Bxb5+ Qxb5 14. Rab1 f6 15. Nef3 0-0 16. Qb3 Qc6 17. g3 Bd6 18. Rfe1 Rae8 19. Re2 e5 20. dxe5 fxe5 21. Rbe1 Qc5 22. Ne4 Qc6 23. Nxd6 Qxd6 24. Rxe5 Rxe5 25. Rxe5 Nxg3 26. hxg3 Rxf3 27. Qxd5+ Qxd5 28. Rxd5 Kf8 29. Rd8+ Ke7 30. Rb8 b6 31. Rb7+ Kf6 32. Rxa7 Rd3 33. Ra6 Rd6 34. c4 Ke5 35. b3 Kd4 36. Kg2 Rf6 37. Ra7 Rg6 38. f4 h6 39. Kf3 h5 40. Rd7+ Kc3 41. Rd5 Kb2 42. Rxh5 Kxa2 43. Rb5 Kb2 44. f5 Rf6 45. Kf4 g6 46. b4 Kc3 47. Ke5 Rc6 48. f6 1-0

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.20"]
[Round "3"]
[White "Kozak, Jan"]
[Black "Kozera, Konrad"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1316"]
[BlackElo "1202"]
[PlyCount "52"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. Nc3 c5 7. b3 Nc6 8. Bb2 Rb8 9. d3 b5 10. Nd2 Nd4 11. a4 Ng4 12. Nd5 e6 13. e3 exd5 14. exd4 Ne3 15. Qe2 Nxf1 16. Qxf1 b4 17. Bxd5 Bb7 18. Qf3 Bxd5 19. Qxd5 Re8 20. Nc4 Re6 21. dxc5 Bxb2 22. Nxb2 dxc5 23. Qxc5 Rc8 24. Qxb4 Rxc2 25. Nd1 Qd4+ 26. Qxd4 Re1# 0-1

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.06"]
[Round "2"]
[White "Rembecki, Robert"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1366"]
[BlackElo "1316"]
[PlyCount "59"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. h3 0-0 6. Nf3 Nxe4 7. Bxf7+ Rxf7 8. Nxe4 Nc6 9. c3 e5 10. Qb3 d5 11. Neg5 Rf5 12. h4 h6 13. Be3 hxg5 14. hxg5 e4 15. Nh4 Rxg5 16. Bxg5 Qxg5 17. Kf1 Na5 18. Qb5 Nc6 19. Re1 a6 20. Qb3 Ne7 21. Rxe4 c6 22. Re1 Bf6 23. Qb6 Kf7 24. Qc7 Qh5 25. Kg1 Bg4 26. Nf3 Qf5 27. Rxe7+ Bxe7 28. Rh7+ Kg8 29. Qxe7 Qd7 30. Qxd7 1-0

[Event "Warsaw YMCA Summer-B 277th"]
[Site "Warsaw"]
[Date "2023.07.04"]
[Round "1"]
[White "Kozak, Jan"]
[Black "Jaroszuk, Marcin"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1316"]
[BlackElo "1493"]
[PlyCount "39"]
[EventDate "2023.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. c3 Nc6 7. 0-0 Qb6 8. Bc2 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. Nc3 Bd6 12. Re1 0-0 13. Na4 Qc7 14. h3 Bd7 15. a3 Rac8 16. Nc3 a6 17. Qd3 Bf4 18. Ng5 Bxg5 19. Bxg5 g6 20. Rac1 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Dabrowski, Jaroslaw"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2123"]
[BlackElo "2038"]
[PlyCount "72"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Nc6 7. Be3 e5 8. Nb3 Be6 9. Nd5 Bxd5 10. exd5 Ne7 11. c4 g6 12. Bd3 Bg7 13. a4 b5 14. cxb5 0-0 15. bxa6 Nfxd5 16. Bf2 Nb4 17. 0-0 Nxa6 18. Re1 Nb4 19. Bb5 Bh6 20. Re4 Nbc6 21. Rh4 Bg5 22. Rc4 Na7 23. Rb4 d5 24. Bd3 d4 25. Rb7 Nd5 26. Be4 Ne3 27. Qe1 Rb8 28. Rxb8 Qxb8 29. Nc5 Qxb2 30. Nd3 Qc3 31. h4 Bh6 32. Qxc3 dxc3 33. Re1 f5 34. Bb7 Rf7 35. Ba8 Rf8 36. Bb7 Rf7 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Kanios, Michal"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2056"]
[BlackElo "2038"]
[PlyCount "32"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Be6 10. Bf3 Nbd7 11. a4 Qc7 12. a5 Rab8 13. h3 Rfc8 14. Re1 h6 15. Nd2 Bd8 16. Nb3 Be7 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Khramkov, Anatoliy"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2038"]
[PlyCount "13"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 1-0

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Olesinski, Eugeniusz"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2038"]
[BlackElo "1998"]
[PlyCount "33"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 0-0 6. Nbd2 Re8 7. 0-0 a6 8. Ba4 d5 9. h3 h6 10. exd5 Qxd5 11. Ne4 Nxe4 12. dxe4 Qxe4 13. Bc2 Qc4 14. Bb3 Qb5 15. Ba4 Qc4 16. Bb3 Qe4 17. Bc2 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Piec, Patryk"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2038"]
[PlyCount "71"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. a4 Qb6 6. Qd2 Qa5 7. Nf3 b5 8. Qc1 b4 9. Nb1 Nbd7 10. Qxc4 Ba6 11. Qb3 Ne4 12. h4 e6 13. Nbd2 Nxd2 14. Nxd2 c5 15. e3 Bxf1 16. Kxf1 h6 17. Bf4 cxd4 18. exd4 Be7 19. Nc4 Qa6 20. Qd3 0-0 21. Ne5 Qxd3+ 22. Nxd3 Rfc8 23. Ke2 a5 24. g3 Bf6 25. Be3 Rc2+ 26. Kf3 Nb6 27. Rhc1 Rac8 28. b3 R2c3 29. Nc5 Nd5 30. Ne4 Rc2 31. Nd6 R8c3 32. Rxc2 Rxc2 33. Nb7 Rc3 34. Ke2 Rxb3 35. Nxa5 Ra3 36. Rxa3 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Radzikowski, Steven"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2038"]
[PlyCount "62"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[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. h3 Bb7 9. d3 d5 10. exd5 Nxd5 11. a4 Nd4 12. Nbd2 Nxb3 13. Nxb3 f6 14. Na5 Qc8 15. Bd2 Rb8 16. Nxb7 Qxb7 17. Qe2 Bc5 18. h4 Qc6 19. axb5 axb5 20. h5 Rbd8 21. Qe4 Ne7 22. Ra5 Qxe4 23. dxe4 Rb8 24. Ra6 Rb6 25. Rea1 Nc8 26. Rxb6 Bxb6 27. Ba5 Bxa5 28. Rxa5 Nd6 29. Ra7 Rf7 30. Nd2 g6 31. hxg6 hxg6 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Makosiej, Wladyslaw"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "1820"]
[BlackElo "2038"]
[PlyCount "84"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[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 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Be6 11. Qc2 Nbd7 12. Be3 Rc8 13. Rd1 b4 14. Nd5 Bxd5 15. exd5 Nxc5 16. 0-0 Qd6 17. Qc4 Nce4 18. Qxa6 Qxa6 19. Bxa6 Rc2 20. Bd4 Nd6 21. Bd3 Rc7 22. h3 Ra8 23. Bb1 Rb8 24. Be5 Rb5 25. Rfe1 Rc8 26. Rd2 Rbc5 27. Rd3 Nxd5 28. Bxd6 exd6 29. Rb3 Rb8 30. g3 Nc7 31. Rd1 Ne6 32. a3 Rcb5 33. Bd3 R5b6 34. Bc4 Nc5 35. Rxb4 Rxb4 36. axb4 Rxb4 37. Bd5 Bf6 38. b3 Kg7 39. Kg2 h5 40. h4 Nd7 41. Bc4 Nb6 42. Rxd6 Nxc4 1/2-1/2

[Event "POL-ch70 qf email"]
[Site "ICCF email"]
[Date "2023.02.15"]
[Round "?"]
[White "Rabczewski, Adam"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "1880"]
[BlackElo "2038"]
[PlyCount "55"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "POL"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[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. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. a4 Bb4 14. axb5 Nxb5 15. Qa4 Bxd2 16. Bxd2 0-0 17. Rfd1 c5 18. Be3 Qb6 19. h3 Nbc7 20. Rd2 Rfd8 21. Rad1 Rxd2 22. Rxd2 Qb4 23. Qc6 Qb5 24. Qe4 h6 25. Qc2 Qb4 26. Kh2 a5 27. Rd7 Qb5 28. Rd3 1/2-1/2

[Event "W-ch WS/H/937 email"]
[Site "ICCF email"]
[Date "2023.01.26"]
[Round "?"]
[White "Gudjonsson, Larus S"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2021"]
[BlackElo "2038"]
[PlyCount "76"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c6 4. Be3 Nd7 5. Bd3 Bb4 6. exd5 exd5 7. Qg4 g6 8. Qe2 Ngf6 9. Bh6+ Qe7 10. f3 Qxe2+ 11. Ngxe2 Bf8 12. Bxf8 Nxf8 13. Nf4 Ne6 14. Nxe6 Bxe6 15. Kf2 Kd7 16. Ne2 h5 17. Nf4 g5 18. Nxe6 fxe6 19. h4 Rhg8 20. g3 Rg7 21. hxg5 Rxg5 22. Rae1 Rag8 23. Rh3 Kd6 24. c4 a5 25. c5+ Kd7 26. Re5 R5g7 27. b3 Rf8 28. Re1 Ng4+ 29. Kg2 Nf6 30. Bc2 Rb8 31. Rh4 Rbg8 32. Rh3 h4 33. g4 Nxg4 34. fxg4 Rxg4+ 35. Kh1 Rxd4 36. Re2 Rf4 37. Rhe3 Rf6 38. Kh2 Rg4 1/2-1/2

[Event "W-ch WS/H/937 email"]
[Site "ICCF email"]
[Date "2023.01.26"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Stein, Martin"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2038"]
[BlackElo "1977"]
[PlyCount "63"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 Nd7 8. e4 dxe4 9. Nxe4 Qf4 10. Bd3 e5 11. 0-0 Be7 12. Rae1 exd4 13. Bb1 0-0 14. Ng3 Nc5 15. Qd1 Ne6 16. Nh5 Qg4 17. Ng3 Qf4 18. Qc2 g6 19. Ne5 Qf6 20. f4 Ng7 21. Ne4 Qe6 22. g4 Bd8 23. Ng3 Qf6 24. f5 g5 25. Nf3 h5 26. h4 gxh4 27. g5 d3 28. Qd2 Bb6+ 29. Kg2 Qd8 30. Nxh4 c5 31. f6 Ba5 32. b4 1-0

[Event "W-ch WS/H/936 email"]
[Site "ICCF email"]
[Date "2023.01.25"]
[Round "?"]
[White "Marconi, Ralph P"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "1905"]
[BlackElo "2038"]
[PlyCount "45"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 Bxd2+ 8. Qxd2 c6 9. a4 Ne4 10. Qc1 Nd6 11. Nbd2 b5 12. 0-0 0-0 13. Rd1 Ba6 14. Qc2 Ra7 15. e3 Qc7 16. b3 Nd7 17. bxc4 Nxc4 18. Nxc4 bxc4 19. Nd2 Rb7 20. Nxc4 Rb4 21. Nd2 c5 22. dxc5 Qxc5 23. Qxc5 1/2-1/2

[Event "W-ch WS/H/936 email"]
[Site "ICCF email"]
[Date "2023.01.25"]
[Round "?"]
[White "Shaw, Dene"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2004"]
[BlackElo "2038"]
[PlyCount "26"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Nbd2 Nxd2 9. Bxd2 Bg4 10. c3 0-0 11. h3 Bh5 12. g3 Qd7 13. Kg2 Bg6 1/2-1/2

[Event "EU-ch SC-OR/524 email"]
[Site "ICCF email"]
[Date "2023.01.20"]
[Round "?"]
[White "Burridge, Raymond John"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1999"]
[BlackElo "2038"]
[PlyCount "76"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 Be7 11. b3 Nh4 12. Nxh4 Bxh4 13. Ne2 Be7 14. Be3 a5 15. c3 h5 16. Nd4 h4 17. h3 a4 18. f4 Rh5 19. b4 Bd7 20. Rd2 b6 21. Rad1 c5 22. Nf3 Bf5 23. a3 Rc8 24. bxc5 bxc5 25. Rb2 Rh6 26. Bf2 c4 27. Nd4 Bd3 28. Re1 Rb6 29. Rxb6 cxb6 30. Ra1 Kd7 31. Be3 f6 32. Kf2 fxe5 33. fxe5 Rf8+ 34. Nf3 Ke6 35. Bxb6 Rb8 36. Bd4 Rb2+ 37. Kg1 Rb3 38. Kf2 Rxa3 0-1

[Event "EU-ch SC-OR/524 email"]
[Site "ICCF email"]
[Date "2023.01.20"]
[Round "?"]
[White "Flecher, Joseph"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1636"]
[BlackElo "2038"]
[PlyCount "80"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Be3 0-0 10. h3 Nbd7 11. Bd3 b5 12. Qf3 b4 13. Nd5 Bxd5 14. exd5 Nb6 15. Bxb6 Qxb6 16. Rfe1 g6 17. a4 Rfc8 18. Rad1 Kg7 19. g3 Rc7 20. a5 Qa7 21. Qe2 h5 22. h4 Ng4 23. Kg2 f5 24. f3 Nf6 25. Bc4 Bf8 26. Nd2 Kh7 27. Bb3 Rc5 28. Nc4 Rac8 29. Nb6 Re8 30. Nc4 Qc7 31. Ra1 Bg7 32. Nb6 e4 33. f4 Ng4 34. Ra2 e3 35. Bc4 Re4 36. b3 Rcxc4 37. Nxc4 Qc5 38. Nb6 Rd4 39. Rd1 Nf2 40. Rxd4 Qxd4 0-1

[Event "EU-ch SC-OR/524 email"]
[Site "ICCF email"]
[Date "2023.01.20"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Hagnere, Jean Michel"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2038"]
[BlackElo "1891"]
[PlyCount "74"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. c4 f5 2. d4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Bd3 b6 6. Nge2 Bb7 7. 0-0 0-0 8. a3 Bd6 9. f3 c5 10. d5 Be5 11. Bd2 Kh8 12. Qc2 exd5 13. Nxd5 Nxd5 14. cxd5 Bxd5 15. f4 Bf6 16. Bxf5 g6 17. Bg4 Nc6 18. Bc3 Qe7 19. Bxf6+ Rxf6 20. Qc3 b5 21. Rac1 Re8 22. Rfd1 Be6 23. Bf3 c4 24. Qd2 d5 25. Nd4 Nxd4 26. Qxd4 Bf7 27. Rc3 h5 28. Bxd5 Rd8 29. e4 Kh7 30. f5 gxf5 31. Rf3 f4 32. h3 a6 33. Qc3 Rg6 34. Rxf4 Bxd5 35. Rxd5 Rxd5 36. exd5 Qe2 37. Rf7+ Kg8 1/2-1/2

[Event "EU-ch SC-OR/524 email"]
[Site "ICCF email"]
[Date "2023.01.20"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Lyrakis, Stavros"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2038"]
[PlyCount "70"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Bf4 dxc4 9. Ne5 Nd5 10. Nxc4 Nxf4 11. gxf4 Nd7 12. e3 Qc7 13. Nc3 b6 14. Rc1 Bb7 15. Qf3 Rab8 16. Qg3 Ba6 17. Ne4 Rfd8 18. Rfd1 c5 19. Ne5 Bb7 20. h4 Nxe5 21. fxe5 f5 22. exf6 Qxg3 23. Nxg3 Bxf6 24. dxc5 Rxd1+ 25. Rxd1 bxc5 26. b3 Bxh4 27. Rd7 Bxg2 28. Kxg2 Bxg3 29. Kxg3 a5 30. Ra7 c4 31. bxc4 Rc8 32. Rxa5 Rxc4 33. Ra7 Re4 34. Kf3 Rc4 35. Re7 Ra4 1/2-1/2

[Event "EU-ch SC-OR/524 email"]
[Site "ICCF email"]
[Date "2023.01.20"]
[Round "?"]
[White "Markoja, Johann"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "D73"]
[WhiteElo "1946"]
[BlackElo "2038"]
[PlyCount "96"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. cxd5 cxd5 6. Bg2 Bg7 7. Nc3 0-0 8. Ne5 Bf5 9. Bg5 Ne4 10. Nxe4 dxe4 11. g4 Be6 12. Bxe4 f6 13. Bxb7 Bd5 14. Bxa8 Bxa8 15. f3 fxg5 16. Qa4 Qb6 17. 0-0-0 Qe6 18. Qxa7 Nc6 19. Qa6 Qd5 20. e4 Qe6 21. Rd3 Bxe5 22. dxe5 Qf7 23. Re3 Nxe5 24. Rd1 Qf4 25. Qe2 Nxf3 26. h3 Kg7 27. Kb1 e5 28. Rd7+ Kh6 29. Rd1 Nd4 30. Qd3 Qh2 31. Qc3 Rf4 32. Rde1 Rf2 33. h4 gxh4 34. a4 Qg2 35. g5+ Kh5 36. Qc1 h3 37. a5 h2 38. Ka2 Nc2 39. Qd1+ Kh4 40. R3e2 Rxe2 41. Rxe2 h1Q 42. Qxc2 Bd5+ 43. b3 Qgg1 44. Qb2 Be6 45. Rc2 Qxe4 46. Ka3 Qf3 47. Rc3 Qf8+ 48. b4 Qd8 0-1

[Event "W-ch WS/H/934 email"]
[Site "ICCF email"]
[Date "2023.01.14"]
[Round "?"]
[White "Docevski, Boris"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2039"]
[BlackElo "2038"]
[PlyCount "130"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 Be6 10. Nxe6 fxe6 11. 0-0-0 Ne5 12. Be2 Qc8 13. Bh6 Bxh6 14. Qxh6 Qc5 15. h4 Nfd7 16. h5 Nf7 17. Qd2 g5 18. Nb5 h6 19. Nd4 Nd8 20. Rhf1 Rc8 21. c3 Qe5 22. Kb1 a6 23. Bd3 Kg7 24. Qc2 Rf6 25. Qe2 Qf4 26. Bc2 Nc6 27. Bb3 Nc5 28. Rde1 Ne5 29. Bc2 b5 30. Rd1 Nc4 31. Rfe1 Nd7 32. e5 Ncxe5 33. Ka1 Nc5 34. Bb1 Kf7 35. Rf1 Ke8 36. Bc2 Rc7 37. b3 Nb7 38. Be4 Nd8 39. Kb2 d5 40. Bh7 Nec6 41. Nxc6 Nxc6 42. Rfe1 Qd6 43. Bg8 Kd7 44. Bh7 e5 45. Bd3 e6 46. Qe3 Ke7 47. Rc1 Rf4 48. Ka1 Rc8 49. Red1 Nb8 50. Kb1 Nd7 51. Be2 Qc5 52. Qd3 e4 53. fxe4 Rxe4 54. Qc2 Ne5 55. Qb2 a5 56. Qc2 a4 57. b4 Qf2 58. Bxb5 Rxb4+ 59. cxb4 Rxc2 60. Rxc2 Qb6 61. Rc5 Nc4 62. Kc1 Na3 63. Bd3 Qxb4 64. Rc7+ Kd6 65. Rc8 Kd7 0-1

[Event "W-ch WS/H/934 email"]
[Site "ICCF email"]
[Date "2023.01.14"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Strebel, Philipp"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2038"]
[BlackElo "2044"]
[PlyCount "77"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Be2 Nd7 9. Nf3 Bg7 10. 0-0 Nb6 11. e4 0-0 12. Re1 c6 13. a4 a5 14. Qc2 Nc8 15. Ng5 b5 16. Nxe6 fxe6 17. e5 Nb6 18. Bg5 Qd7 19. h4 Nxa4 20. Bxc4 Nxc3 21. Qxc3 bxc4 22. Qxc4 Rfc8 23. Rec1 c5 24. dxc5 Bxe5 25. Rd1 Qc6 26. Rac1 Bf6 27. Bxf6 exf6 28. Qc3 e5 29. Qb3+ Kg7 30. Qa3 Rd8 31. Rd6 Qc7 32. h5 e4 33. Re6 Re8 34. h6+ Kxh6 35. Rxf6 e3 36. fxe3 Re5 37. Rf3 Rh5 38. Qa4 Rb8 39. Qf4+ 1/2-1/2

[Event "W-ch WS/H/934 email"]
[Site "ICCF email"]
[Date "2023.01.14"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Vaccarella, Cristiano"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2038"]
[BlackElo "1980"]
[PlyCount "57"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5 cxb5 6. Nc3 Qb6 7. Nd5 Qb7 8. Bf4 e5 9. Bxe5 Nd7 10. Bf4 Ngf6 11. Nc7+ Kd8 12. Nxa8 Qxe4+ 13. Ne2 Qxa8 14. Nc3 a6 15. f3 Bb4 16. Be2 Nd5 17. Bd2 Nxc3 18. Bxc3 Bxc3+ 19. bxc3 Qd5 20. Qd2 Re8 21. 0-0 Qe6 22. Kf2 Qd6 23. Qg5+ Nf6 24. Rfe1 g6 25. Bd1 Rxe1 26. Kxe1 Kc7 27. Kd2 Nd5 28. Qg3 Nf4 29. Ke3 1-0

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.08.10"]
[Round "9"]
[White "Kozak, Jan"]
[Black "Kwiek, Janusz"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1315"]
[BlackElo "1417"]
[PlyCount "65"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 c5 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nc6 6. d3 d5 7. Qe1 0-0 8. e4 dxe4 9. dxe4 Qb6 10. c3 Rd8 11. Na3 Rb8 12. Nc4 Qc7 13. Nh4 Be6 14. Ne3 Ng4 15. f5 Nxe3 16. Bxe3 Bc4 17. fxg6 hxg6 18. Rf2 b6 19. Bf4 e5 20. Bg5 Rd7 21. Bh3 Rd6 22. b3 Be6 23. Bxe6 Rxe6 24. Qe3 Qd7 25. Raf1 Rf8 26. Bh6 Rd6 27. Bxg7 Kxg7 28. Qg5 Kh7 29. Ng2 Rd1 30. Ne3 Rxf1+ 31. Rxf1 Kg7 32. Nf5+ Kh7 33. Qh6+ 1-0

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.08.05"]
[Round "8"]
[White "Berdyga, Mariusz"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1407"]
[BlackElo "1315"]
[PlyCount "65"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 c5 7. Be3 cxd4 8. Nxd4 a6 9. Be2 Nbd7 10. Rc1 Nc5 11. Bf3 e5 12. Nb3 Nxb3 13. Qxb3 Be6 14. Nd5 Bxd5 15. cxd5 b5 16. 0-0 Nd7 17. Rc6 Nb8 18. Bb6 Qe7 19. Rc7 Nd7 20. Qc3 Qd8 21. Ba5 f5 22. Rc1 Qe8 23. Qc6 Nf6 24. Qxd6 fxe4 25. Re7 Rd8 26. Qe6+ Kh8 27. Rxe8 Rdxe8 28. Qxa6 exf3 29. d6 Re6 30. gxf3 Ne8 31. Rc6 e4 32. d7 Rxc6 33. Qxc6 1-0

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.08.03"]
[Round "10"]
[White "Jaroszuk, Marcin"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1507"]
[BlackElo "1315"]
[PlyCount "87"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 c5 7. dxc5 dxc5 8. Nc3 Nc6 9. Be3 Be6 10. Ng5 Bxc4 11. Qa4 h6 12. Qxc4 hxg5 13. Bxg5 Qd4 14. Qb5 Qb4 15. Rfd1 Qxb5 16. Nxb5 Ne5 17. Rac1 b6 18. Bxa8 Rxa8 19. Nc7 Rc8 20. Bxf6 Rxc7 21. Rd8+ Kh7 22. Bxg7 Kxg7 23. Rcd1 Kf6 24. b3 Ke6 25. R8d2 Nc6 26. e3 Ne5 27. Kg2 Nd7 28. Kf3 Ne5+ 29. Kg2 Nd7 30. f4 Nf6 31. Kf3 Ne8 32. g4 Nd6 33. h4 Rc8 34. Rd5 f5 35. Re5+ Kf7 36. Rh1 c4 37. gxf5 Nxf5 38. bxc4 Rxc4 39. h5 Kg7 40. Rg1 Rc5 41. Rxc5 bxc5 42. Rxg6+ Kf7 43. Rc6 Nd6 44. Rxc5 1-0

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.07.25"]
[Round "6"]
[White "Przybylik, Mariusz"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1086"]
[BlackElo "1315"]
[PlyCount "130"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. Bf4 cxd4 3. Bxb8 Rxb8 4. Qxd4 Nf6 5. e3 Qc7 6. Nc3 e5 7. Qc4 Qxc4 8. Bxc4 Bb4 9. Nge2 b5 10. Bb3 Ne4 11. 0-0 Bxc3 12. Nxc3 Nxc3 13. bxc3 Ke7 14. Rfd1 d6 15. a4 a5 16. axb5 Rxb5 17. Rd5 Rxd5 18. Bxd5 Be6 19. Bxe6 Kxe6 20. Rxa5 Rc8 21. Ra3 Rb8 22. Ra1 Rb2 23. Rc1 Kd5 24. g3 Kc4 25. Ra1 Rb7 26. Ra3 d5 27. Kf1 Rb1+ 28. Ke2 Rc1 29. Kd2 Rf1 30. Ra4+ Kb5 31. Rb4+ Kc6 32. Ke2 Rc1 33. Rb2 g5 34. Ra2 Kb6 35. Kf3 Rh1 36. Kg2 Rc1 37. h3 h5 38. Ra8 Rxc2 39. Rf8 Rxc3 40. Rxf7 d4 41. exd4 exd4 42. Rd7 Kc5 43. Kf1 Kc4 44. Re7 Kd3 45. f4 gxf4 46. gxf4 Rc5 47. Re5 Rc1+ 48. Kf2 Kc3 49. f5 d3 50. Rc5+ Kd2 51. Rd5 Kc2 52. Rc5+ Kd1 53. Rd5 d2 54. f6 Rc6 55. Ke3 Re6+ 56. Kd3 Rxf6 57. Rxh5 Rd6+ 58. Ke3 Ke1 59. Rg5 Re6+ 60. Kf4 Rf6+ 61. Ke3 d1Q 62. Rg1+ Rf1 63. Rg4 Qf3+ 64. Kd4 Qxh3 65. Re4+ Kd2 0-1

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.07.06"]
[Round "3"]
[White "Zawadzki, Wojciech"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "1367"]
[BlackElo "1315"]
[PlyCount "50"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 0-0 7. Nf3 Bg4 8. Bd3 Nfd7 9. h3 Bxf3 10. Qxf3 e6 11. Be3 exd5 12. cxd5 Na6 13. a3 Nc7 14. 0-0 b5 15. Bxb5 Nxb5 16. Nxb5 Qb6 17. a4 a6 18. Nc3 Qxb2 19. Ne2 f5 20. exf5 Rxf5 21. Ng3 Rf7 22. Ne4 Ne5 23. Qg3 Nc4 24. Rac1 Nxe3 25. Qxe3 Bd4 0-1

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.07.04"]
[Round "4"]
[White "Kozak, Jan"]
[Black "Czubaj, Mariusz"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1315"]
[BlackElo "1101"]
[PlyCount "77"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. d3 Nc6 6. 0-0 Be7 7. Qe1 Qb6 8. e4 dxe4 9. dxe4 0-0 10. Nc3 Rd8 11. e5 Nd5 12. Na4 Qb4 13. b3 Qxe1 14. Nxe1 b5 15. Nb2 Bb7 16. c4 bxc4 17. Nxc4 Rd7 18. Ba3 Ncb4 19. Bxb4 Nxb4 20. Bxb7 Rxb7 21. Rf2 Rd8 22. Nc2 Rbd7 23. Nxb4 cxb4 24. Kf1 Bc5 25. Rc2 h5 26. Na5 Bb6 27. Nc6 Rd1+ 28. Rxd1 Rxd1+ 29. Ke2 Rh1 30. Kd3 Bg1 31. Rc1 Rxh2 32. Rxg1 Rxa2 33. Nxb4 Rb2 34. Kc3 Rf2 35. Nd3 Rf3 36. Kd4 h4 37. gxh4 Rh3 38. h5 Rxh5 39. Ra1 1-0

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.07.01"]
[Round "2"]
[White "Kozak, Jan"]
[Black "Jaroszuk, Marcin"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1315"]
[BlackElo "1507"]
[PlyCount "70"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nf6 5. e3 Ng4 6. d4 Nc6 7. Bd3 Nxh2 8. Nc3 Bg4 9. Ne4 f5 10. Nxd6+ Qxd6 11. Be2 Qg3+ 12. Kd2 0-0-0 13. Qe1 f4 14. Qxg3 fxg3 15. Nxh2 Bxe2 16. Kxe2 gxh2 17. Rxh2 Rhe8 18. c3 h6 19. Bd2 Re7 20. Rf1 Rde8 21. g4 Nd8 22. Kd3 Ne6 23. e4 Rd7 24. Be3 Nc5+ 25. Kc4 Nxe4 26. Bf4 Nf6 27. g5 hxg5 28. Bxg5 Ne4 29. Rg2 Nd6+ 30. Kd3 Nf7 31. Bf4 Nd6 32. Bxd6 cxd6 33. Rfg1 Ree7 34. Kc4 d5+ 35. Kd3 Kc7 1/2-1/2

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.06.29"]
[Round "7"]
[White "Kozak, Jan"]
[Black "Berdyga, Mariusz"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1315"]
[BlackElo "1407"]
[PlyCount "44"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 Bf5 4. c4 e6 5. Nf3 c5 6. cxd5 Nxd5 7. Bb5+ Nc6 8. Bxc6+ bxc6 9. d4 Qf6 10. Nbd2 Nb4 11. 0-0 Bd3 12. a3 Bxf1 13. Qxf1 Nd5 14. Qa6 Nb6 15. Nc4 Qd8 16. dxc5 Bxc5 17. Bxg7 Rg8 18. Bd4 Bxd4 19. Nxd4 Qd5 20. g3 Nxc4 21. bxc4 Qd7 22. Rb1 Qc8 1/2-1/2

[Event "Warsaw YMCA Summer-B 262nd"]
[Site "Warsaw"]
[Date "2022.06.29"]
[Round "1"]
[White "Kwiek, Janusz"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1417"]
[BlackElo "1315"]
[PlyCount "69"]
[EventDate "2022.06.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 c5 6. 0-0 Na6 7. Nc3 d6 8. Re1 Re8 9. e4 Bg4 10. h3 Bxf3 11. Bxf3 Rb8 12. Be3 Nd7 13. Rb1 cxd4 14. Bxd4 Ne5 15. Bg2 b6 16. f4 Nc6 17. Bxg7 Kxg7 18. e5 Qd7 19. a3 Nc7 20. Qa4 b5 21. cxb5 Nd8 22. Qxa7 Qc8 23. exd6 exd6 24. Qd4+ Kg8 25. Rxe8+ Nxe8 26. Re1 Ne6 27. Qe3 N8c7 28. a4 Nc5 29. Qe7 N7e6 30. Qxd6 Nxa4 31. Nxa4 Rxb5 32. Bc6 Qa6 33. Rxe6 fxe6 34. Qxe6+ Kg7 35. Qd7+ 1-0

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Asin Velazquez, Juandris"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2085"]
[PlyCount "111"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 Bb4+ 4. Nc3 dxc4 5. a3 Bxc3+ 6. bxc3 Nf6 7. e3 b5 8. a4 c6 9. Ba3 Qa5 10. Qc2 Nd5 11. Bb2 Qc7 12. e4 Ne7 13. Ba3 Nd7 14. Be2 Bb7 15. 0-0 a6 16. Rfb1 Rb8 17. Ra2 Nc8 18. Qd2 c5 19. dxc5 Bxe4 20. Rd1 Bc6 21. Nd4 Ne7 22. Bh5 g6 23. Nxc6 Nxc6 24. axb5 axb5 25. Bf3 Nde5 26. Qh6 Nxf3+ 27. gxf3 Qe5 28. Bc1 Rg8 29. Bg5 Qf5 30. Kg2 Ne5 31. Bf4 g5 32. Bxe5 Qxe5 33. c6 Rc8 34. Rd4 Qg7 35. Qh3 Ke7 36. Ra6 Kf6 37. Rb6 Qg6 38. Rxb5 Rxc6 39. Qg3 Re8 40. Qe5+ Ke7 41. h4 Kf8 42. Rg4 f6 43. Qe3 e5 44. hxg5 f5 45. Rh4 f4 46. Qe4 Qxe4 47. fxe4 Re7 48. Kf3 Ra6 49. Rc5 Ra1 50. Rxc4 Kg7 51. Rc6 Rg1 52. Rch6 Kg8 53. Rg4 Rc1 54. Rc6 Rd1 55. Rg2 Rc1 56. Kg4 1-0

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Knoblauch Becker, Manfredo"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1910"]
[PlyCount "67"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ Ke8 11. Qxb4 Qe7 12. Qxe7+ Kxe7 13. 0-0 Nf6 14. Nc3 d6 15. d5 Re8 16. Nd4 Bd7 17. f3 Kd8 18. Nc2 Bf5 19. Nd4 Bd7 20. Rad1 Rb8 21. Nc2 c5 22. dxc6 bxc6 23. Rxd6 Rxb2 24. Rc1 Re5 25. Ne1 Ra5 26. Nd3 Rd2 27. Nc5 Rxd6 28. Nb7+ Kc7 29. Nxa5 Re6 30. Nb3 Re5 31. Kf2 Be6 32. Nd4 Bd7 33. g4 Rc5 34. Nde2 1/2-1/2

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Bradney, Raymond"]
[Result "1-0"]
[ECO "B04"]
[BlackElo "1944"]
[PlyCount "71"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bd3 Nd7 7. Nf3 g6 8. 0-0 Bg7 9. c4 N5b6 10. Re1 0-0 11. Nc3 e5 12. Bg5 Qc7 13. d5 Re8 14. Bf1 Qd6 15. a4 a5 16. Ne4 Qf8 17. Be3 h6 18. Qb3 f5 19. Nfd2 fxe4 20. Bxb6 Nxb6 21. Qxb6 Qb4 22. Qxb4 axb4 23. Nxe4 Bf5 24. d6 Bf8 25. Nf6+ Kf7 26. Nxe8 Rxe8 27. c5 Kf6 28. a5 e4 29. a6 bxa6 30. Rxa6 Ke5 31. Rxc6 Rc8 32. Rxc8 Bxc8 33. Ra1 Bf5 34. Ra8 Bg7 35. Bc4 Kd4 36. c6 1-0

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Docevski, Boris"]
[Result "1-0"]
[ECO "C80"]
[BlackElo "1963"]
[PlyCount "155"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[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. Nbd2 Nc5 10. c3 Nxb3 11. Nxb3 Be7 12. Nfd4 Nxd4 13. cxd4 a5 14. Qc2 Qd7 15. Bd2 Bf5 16. Qc1 a4 17. Nc5 Qc6 18. Bb4 Qg6 19. Qd2 h5 20. Rac1 Qh6 21. Qe2 0-0 22. a3 Qf4 23. Rfd1 c6 24. Na6 Rxa6 25. Bxe7 Re8 26. Bd6 Re6 27. Qd2 Qxd2 28. Rxd2 Rg6 29. f3 Bd7 30. Kf2 h4 31. Ke3 f5 32. f4 Ra8 33. Kd3 h3 34. Kc3 Kf7 35. Kb4 Rxg2 36. Rxg2 hxg2 37. Rg1 Rh8 38. Rxg2 Rh6 39. Kc5 Be8 40. Bc7 Rh7 41. Ba5 Ke7 42. Be1 Ke6 43. h4 g6 44. Re2 Rb7 45. Kb4 Rh7 46. Rc2 Rg7 47. Ka5 Rh7 48. Kb6 Rg7 49. Rg2 Rh7 50. b3 axb3 51. Rb2 Rh6 52. Bf2 Ke7 53. Rxb3 Ke6 54. a4 bxa4 55. Ra3 Rh8 56. Rxa4 Bd7 57. Be1 Rb8+ 58. Kc7 Rc8+ 59. Kb7 Ke7 60. Ra2 Kf7 61. Bb4 Rh8 62. Bd6 Ke6 63. Ra7 Rc8 64. Kb6 Rh8 65. Kc5 Rc8 66. Ra2 Rh8 67. Rg2 Be8 68. Rb2 Bd7 69. Rb1 Rg8 70. Rg1 Kf7 71. Bc7 Ke6 72. h5 Be8 73. Bd8 Bf7 74. Bh4 gxh5 75. Ra1 Be8 76. Ra8 Bf7 77. Ra7 Rc8 78. Re7# 1-0

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Rajasa, Muhammad Andi"]
[Result "1/2-1/2"]
[ECO "B12"]
[BlackElo "2030"]
[PlyCount "43"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. 0-0 Qxb2 9. Qe1 cxd4 10. Bxd4 Nxd4 11. Nxd4 Bb4 12. Rb1 Bxc3 13. Rxb2 Bxe1 14. Rxe1 b6 15. Bb5+ Kf8 16. Nxf5 exf5 17. Rd1 Ne7 18. c4 dxc4 19. Bxc4 Nc6 20. e6 fxe6 21. Bxe6 g6 22. Rbd2 1/2-1/2

[Event "W-ch WS/H/881 email"]
[Site "ICCF email"]
[Date "2022.01.14"]
[Round "?"]
[White "Pradeilles, Guillaume"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "1974"]
[PlyCount "115"]
[EventDate "2022.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. a4 Be7 8. Be2 0-0 9. 0-0 Nc6 10. Qd2 h6 11. Be3 d5 12. Rad1 Bb4 13. exd5 exd5 14. Rfe1 Re8 15. Bd3 Ng4 16. Nxc6 bxc6 17. Bf4 Be6 18. h3 Nf6 19. Qc1 d4 20. Bf1 Qb6 21. a5 Qa7 22. Ne4 Bxe1 23. Nxf6+ gxf6 24. Rxe1 Bf5 25. Rxe8+ Rxe8 26. Bxh6 Qe7 27. Qf4 Qe5 28. Qh4 Bxc2 29. Bxa6 Bg6 30. Bc4 Qxa5 31. Qxd4 Qe5 32. Qxe5 fxe5 33. Bd2 Be4 34. Bc3 Bd5 35. Be2 Ra8 36. f3 f6 37. g4 Kf7 38. h4 Ra4 39. h5 Bc4 40. Bxc4+ Rxc4 41. Kf2 Ke6 42. Kg3 Ra4 43. Kh3 Ra7 44. f4 exf4 45. Kg2 f5 46. g5 Rh7 47. h6 Kf7 48. Kf3 Kg6 49. Kxf4 Rd7 50. Bf6 Ra7 51. Be5 Rd7 52. Bg7 Rd3 53. Be5 Rh3 54. Bf6 Rh2 55. Kg3 Rh5 56. Be7 c5 57. Bxc5 Rxg5+ 58. Kf3 1/2-1/2

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Benatuil, Daniel"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "63"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 0-0 7. Bb3 a5 8. a4 h6 9. Nbd2 Be6 10. Nc4 Re8 11. Re1 Qd7 12. h3 Ne7 13. d4 exd4 14. cxd4 Bb4 15. Bd2 Bxd2 16. Ncxd2 Bxb3 17. Qxb3 d5 18. Ne5 Qd6 19. Nxf7 Qf4 20. Nf3 Kxf7 21. g3 Qd6 22. e5 Qb4 23. Qxb4 axb4 24. exf6 gxf6 25. a5 Nc6 26. Rec1 Ra6 27. Rc5 Rea8 28. Rxd5 Rxa5 29. Rd7+ Ke6 30. Rxa5 Rxa5 31. Rxc7 Ra2 32. Rxb7 1/2-1/2

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Sengupta, Arnab"]
[Result "1/2-1/2"]
[ECO "D20"]
[PlyCount "82"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nge7 11. Nbd2 Ng6 12. Ne1 Be7 13. f4 0-0 14. g3 Rfd8 15. Kg2 d3 16. a3 Rb6 17. Qa4 Nd4 18. Qxd7 Rxd7 19. b4 Rc6 20. Rf2 e5 21. f5 Nh8 22. Nxd3 Nf7 23. Rb1 Nxf5 24. Rf3 N5h6 25. Nb3 Rc2+ 26. Nf2 Ng4 27. Rb2 Rxb2 28. Bxb2 Ng5 29. Rd3 Rxd3 30. Nxd3 Ne3+ 31. Kf2 Nc4 32. Bxe5 Nxe4+ 33. Kf3 Ng5+ 34. Ke2 Nxa3 35. Bxc7 Kf7 36. Bb8 Nc2 37. b5 Na3 38. Nd4 Ne6 39. Bxa7 Nxd4+ 40. Bxd4 Nxb5 41. Bb6 Nd6 1/2-1/2

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Yang, Wei"]
[Result "1-0"]
[ECO "A19"]
[PlyCount "63"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Qe7 12. Qb6 Qd8 13. Qxd8+ Kxd8 14. Bb6+ Ke8 15. 0-0-0 Ne7 16. f4 N5c6 17. c5 Nf5 18. Be2 h5 19. Bd3 Ne3 20. Rd2 Nb4 21. Bg6+ Ke7 22. Re1 Nc4 23. Rd4 Nxb6 24. Rxb4 Rh6 25. Bc2 d5 26. Rxb6 Kf8 27. Rd6 h4 28. f5 exf5 29. Nxd5 Kf7 30. Nf4 b5 31. Bb3+ Kf8 32. Rd8# 1-0

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Zondervan, Frans"]
[Result "1-0"]
[ECO "C62"]
[BlackElo "1352"]
[PlyCount "23"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 a6 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 f6 8. Bd2 Be6 9. 0-0-0 Qb8 10. e5 fxe5 11. Nxe5 c5 12. Qa4+ 1-0

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Meischner, Holger"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "84"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Bg4 3. Nc3 Bxf3 4. exf3 e6 5. d4 Bb4 6. a3 Bxc3+ 7. bxc3 Ne7 8. Bd3 Nd7 9. 0-0 0-0 10. Re1 c5 11. a4 c4 12. Be2 Re8 13. Ba3 a6 14. Bf1 Nc6 15. g3 b5 16. axb5 axb5 17. Bb2 Qb6 18. Qd2 Ra4 19. f5 e5 20. Kh1 Rxa1 21. Bxa1 Ra8 22. dxe5 Ncxe5 23. Qxd5 Ra2 24. Qd4 Qxd4 25. cxd4 Nxf3 26. Re8+ Nf8 27. Re3 Rxa1 28. Rxf3 Nd7 29. Kg2 Kf8 30. Re3 Rc1 31. c3 Nf6 32. Re5 Ng4 33. Re4 Rc2+ 34. Kg1 h5 35. h3 Nf6 36. Re5 Rb2 37. g4 hxg4 38. hxg4 Nxg4 39. Re4 Nf6 40. Re5 Rb3 41. d5 Ne8 42. Re3 Rb2 0-1

[Event "W-ch WS/O/1358 email"]
[Site "ICCF email"]
[Date "2021.07.26"]
[Round "?"]
[White "Schilleci, Calogero"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1744"]
[PlyCount "56"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 d6 6. 0-0 e6 7. e3 Nge7 8. d4 0-0 9. b3 Nf5 10. Ne2 e5 11. dxe5 dxe5 12. Nd2 Nd6 13. Bb2 Bf5 14. a3 Qd7 15. Nc3 Rad8 16. Qc1 Bh3 17. Qc2 Bxg2 18. Kxg2 f5 19. Rad1 e4 20. Nd5 Bxb2 21. Qxb2 Qg7 22. Qxg7+ Kxg7 23. h3 Ne5 24. Nb1 Kf7 25. a4 Ne8 26. Nbc3 Nf6 27. Nxf6 Kxf6 28. Rd5 Rxd5 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.16"]
[Round "7"]
[White "Kozak, Jan"]
[Black "Grzadka, Artur"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1285"]
[BlackElo "1536"]
[PlyCount "121"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nh6 5. d3 d4 6. c3 c5 7. 0-0 0-0 8. e4 dxe3 9. Bxe3 Qc7 10. Na3 Ng4 11. Qe2 a6 12. Ng5 e5 13. Nc4 Nxe3 14. Qxe3 Nd7 15. fxe5 Nxe5 16. Nxe5 Bxe5 17. Rxf7 Rxf7 18. Bd5 Qd6 19. Bxf7+ Kg7 20. Ne4 Qe7 21. Rf1 Bf5 22. Bd5 Rd8 23. Bb3 b6 24. Qg5 Qxg5 25. Nxg5 Rxd3 26. Bc2 Rd5 27. Bxf5 gxf5 28. Ne6+ Kf6 29. Nf4 Rd2 30. Rf2 Bxf4 31. gxf4 Rd1+ 32. Kg2 Rd8 33. Re2 c4 34. Kf3 b5 35. h3 h6 36. h4 h5 37. Kf2 Rg8 38. Kf3 Rg4 39. Rh2 Rg1 40. Ke3 Rg3+ 41. Kf2 Rd3 42. Ke2 Rg3 43. Kf2 Rg4 44. Kf3 Rg1 45. Ke3 Ra1 46. a3 Re1+ 47. Kd2 Rb1 48. Ke3 Re1+ 49. Kd2 Re4 50. Rf2 Ke6 51. Re2 Rxe2+ 52. Kxe2 Kd5 53. Ke3 a5 54. Kf3 Kc5 55. Ke3 Kd5 56. Kf3 Kc6 57. Ke3 Kc5 58. Kf3 b4 59. a4 Kd5 60. Ke3 bxc3 61. bxc3 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.15"]
[Round "6"]
[White "Rog, Mateusz"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1523"]
[BlackElo "1285"]
[PlyCount "95"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nf3 Nf6 5. Nc3 0-0 6. Bc4 Nxe4 7. Bxf7+ Rxf7 8. Nxe4 Bf5 9. Qe2 Nc6 10. c3 Qd7 11. Nfg5 Rff8 12. d5 Nd8 13. h3 Bxe4 14. Qxe4 Qf5 15. Qxe7 Qxd5 16. 0-0 h6 17. Nf3 Ne6 18. Re1 Rae8 19. Qd7 Nc5 20. Qxe8 Rxe8 21. Rxe8+ Kf7 22. Re1 b5 23. Be3 Ne6 24. a4 b4 25. cxb4 Bxb2 26. Rab1 Bf6 27. b5 Qa2 28. Bxa7 Nxf4 29. Bf2 Qxa4 30. b6 cxb6 31. Rxb6 Nd3 32. Rb7+ Kf8 33. Re6 Qa1+ 34. Be1 Nxe1 35. Rxe1 Qc3 36. Rb8+ Kf7 37. Rb7+ Kf8 38. Rf1 Qe3+ 39. Kh1 g5 40. h4 Qe2 41. Nh2 g4 42. Rxf6+ Ke8 43. Rf1 g3 44. Rbb1 gxh2 45. Rbe1 Qxe1 46. Rxe1+ Kd7 47. g4 d5 48. g5 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.13"]
[Round "5"]
[White "Kozak, Jan"]
[Black "Dahche, Abdel Azziz"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1285"]
[BlackElo "1709"]
[PlyCount "123"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 Bd7 6. d4 g4 7. Nh4 Bc6 8. Bg2 Bxg2 9. Nxg2 Nc6 10. e4 Nxd4 11. Nd2 Qd7 12. c3 Nc6 13. Nc4 0-0-0 14. Nxd6+ cxd6 15. Bf4 Qe6 16. 0-0 h5 17. Qd5 Nge7 18. Qxe6+ fxe6 19. Rad1 Kc7 20. Bg5 Rdf8 21. Bxe7 Nxe7 22. Rxf8 Rxf8 23. Nf4 Kd7 24. Nxh5 Ng6 25. Rf1 Rxf1+ 26. Kxf1 Ke7 27. Nf4 Nf8 28. Ke2 Kf6 29. Ke3 Nd7 30. Nd3 Kg5 31. Kd4 b6 32. b4 b5 33. e5 d5 34. Nc5 Nf8 35. Nb7 Nd7 36. Nd6 a6 37. Nb7 Kf5 38. Nd6+ Kg5 39. a3 Kg6 40. Nb7 Kf5 41. Nc5 Nxe5 42. Nxa6 Nc4 43. Nc7 Nxa3 44. Kc5 e5 45. Kxd5 e4 46. Ne6 Nb1 47. Nd4+ Kg5 48. Kxe4 Nxc3+ 49. Kd3 Nd5 50. Nc2 Kf5 51. Kd4 Nc7 52. Ne3+ Kg5 53. Ke5 Ne8 54. Nd5 Ng7 55. Ne3 Ne8 56. Kd5 Nc7+ 57. Kc6 Ne6 58. Kxb5 Nd4+ 59. Kc4 Nf3 60. b5 Nxh2 61. b6 Nf3 62. Kd5 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.11"]
[Round "2"]
[White "Zimochocki, Roman"]
[Black "Kozak, Jan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1535"]
[BlackElo "1285"]
[PlyCount "153"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. Qd2 h6 5. e4 d6 6. f3 c6 7. Bd3 Nbd7 8. e5 dxe5 9. dxe5 Nh5 10. e6 Ne5 11. Bxe5 Bxe5 12. exf7+ Kxf7 13. g3 Bf5 14. 0-0-0 Bxd3 15. cxd3 Bxc3 16. Qxc3 Nf6 17. Qc4+ Qd5 18. Ne2 b5 19. Qxd5+ Nxd5 20. Rhe1 Rad8 21. a3 a5 22. Nc3 e6 23. Re4 Nf6 24. Re2 Rhe8 25. Kc2 Nd5 26. Re4 Nf6 27. Re5 Nd7 28. Re2 Nc5 29. d4 Nd7 30. Ne4 Nf6 31. Nc5 Re7 32. f4 Nd5 33. Re5 Rde8 34. Rde1 Nf6 35. h3 h5 36. R1e2 Nd7 37. Rg5 Nxc5 38. Rxc5 Rc8 39. Re3 Rd7 40. Kc3 Rd5 41. Rd3 Kf6 42. Kd2 Rxc5 43. dxc5 Kf5 44. Ke3 e5 45. fxe5 Re8 46. Rd6 Rxe5+ 47. Kd4 Re4+ 48. Kd3 h4 49. g4+ Ke5 50. Rxg6 Kd5 51. Rg5+ Re5 52. Rxe5+ Kxe5 53. Ke3 b4 54. axb4 axb4 55. b3 Kf6 56. Ke4 Kg5 57. Ke5 Kg6 58. Kd6 Kg5 59. Kxc6 Kf4 60. Kb5 Kg3 61. g5 Kxh3 62. g6 Kh2 63. g7 h3 64. g8Q Kh1 65. Qd5+ Kg1 66. c6 h2 67. c7 h1Q 68. Qxh1+ Kf2 69. c8Q Ke3 70. Kxb4 Ke2 71. Qc2+ Ke3 72. Qh3+ Kd4 73. Qc4+ Ke5 74. Qh5+ Kf6 75. Qc6+ Kg7 76. Qcg6+ Kf8 77. Qf7# 1-0

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Johnson, Steven"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "64"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. c4 Bf5 5. Nf3 e6 6. Nbd2 h6 7. b3 a5 8. 0-0 Nbd7 9. Re1 a4 10. Bb2 Be7 11. Bc3 b5 12. Ne5 Qc7 13. c5 axb3 14. axb3 0-0 15. b4 Ne4 16. Nxe4 dxe4 17. Qb3 Nf6 18. Bd2 Rfd8 19. e3 Bh7 20. Qc2 Qb7 21. Ra5 Rxa5 22. bxa5 Ra8 23. Rb1 Bd8 24. Nc4 Bc7 25. Nb6 Ra7 26. Ra1 Bd8 27. Be1 Nd5 28. Bxe4 Bxe4 29. Qxe4 Nxb6 30. cxb6 Bxb6 31. Qd3 Qa8 32. Qa3 Ra6 1/2-1/2

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Becker, Axel"]
[Result "1-0"]
[ECO "C95"]
[PlyCount "99"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. a4 Bb7 12. Bc2 c5 13. d5 c4 14. Be3 Qc7 15. Na3 Nc5 16. Nd2 Qd7 17. Qf3 Rfc8 18. Qg3 Ne8 19. Reb1 f5 20. Bxc5 Rxc5 21. b3 cxb3 22. Nxb3 Rc7 23. Na5 fxe4 24. c4 Nf6 25. axb5 axb5 26. Nxb5 Bxd5 27. Nxc7 Qxc7 28. cxd5 Qxc2 29. Nc6 Re8 30. Rb7 Bf8 31. Qg5 Kh8 32. Rf7 e3 33. fxe3 h6 34. Qg3 Kh7 35. Rxf6 gxf6 36. Qg4 Bg7 37. Ra7 Qg6 38. Qd7 Kh8 39. Ne7 Qf7 40. Nf5 Qxd7 41. Rxd7 Rg8 42. e4 Bf8 43. Rf7 Bg7 44. g4 Bf8 45. Kf2 Bg7 46. Kf3 Kh7 47. h4 Kh8 48. h5 Kh7 49. Nxd6 Kh8 50. Nf5 1-0

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Lagergren, Henry"]
[Result "1-0"]
[ECO "A35"]
[BlackElo "1820"]
[PlyCount "103"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 d6 6. d5 Ne5 7. Nxe5 Bxe5 8. Bd3 f5 9. 0-0 Bd7 10. Qc2 Nh6 11. h3 0-0 12. Bd2 Rb8 13. Rae1 a6 14. a4 Bg7 15. b3 Nf7 16. f4 Nh6 17. Be2 Re8 18. Bc1 Qa5 19. Bb2 Qc7 20. Kh2 Rf8 21. Rg1 Qd8 22. g3 Qc8 23. Rg2 Qe8 24. Qd2 Qf7 25. Reg1 Qf6 26. Ba1 Qf7 27. Rf1 b6 28. Qe1 Rfe8 29. g4 Qf8 30. g5 Nf7 31. h4 b5 32. cxb5 Bxc3 33. Qxc3 axb5 34. h5 bxa4 35. hxg6 hxg6 36. Bc4 Bb5 37. Bxb5 Rxb5 38. bxa4 Rb4 39. a5 Re4 40. a6 e5 41. dxe6 R4xe6 42. Rf3 d5 43. Ra2 d4 44. exd4 Re2+ 45. Rxe2 Rxe2+ 46. Kg1 cxd4 47. Qxd4 Re1+ 48. Kg2 Re2+ 49. Kg3 Re6 50. a7 Rd6 51. Qb2 Ra6 52. Rb3 1-0

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Wilkinson, Curtis"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "57"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 d6 9. Bg5 h6 10. Bxf6 Bxf6 11. Qd3 Bxc3 12. Qxc3 0-0 13. Rfd1 Qc7 14. Qd3 Rd8 15. e4 Nc6 16. b3 a5 17. Qc3 a4 18. b4 Rac8 19. Rac1 Ne5 20. Nxe5 dxe5 21. Rxd8+ Rxd8 22. f3 f5 23. a3 fxe4 24. fxe4 Kh7 25. c5 bxc5 26. Qxc5 Qxc5+ 27. Rxc5 Rd1+ 28. Kf2 Rd2+ 29. Kg1 1/2-1/2

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Raby, Eugene"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "1886"]
[PlyCount "56"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Bb4+ 6. Nc3 Nc6 7. a3 Bxc3+ 8. bxc3 0-0 9. 0-0 Na5 10. Bg5 c5 11. Rb1 cxd4 12. cxd4 h6 13. Bxf6 Qxf6 14. Ne5 Rb8 15. Qa4 b6 16. Rfc1 Rd8 17. e3 Qf5 18. Nxc4 Bd7 19. Qb4 Nxc4 20. Rxc4 Rdc8 21. Rbc1 Rxc4 22. Rxc4 a5 23. Qb3 e5 24. h4 exd4 25. Rxd4 Be6 26. Qd1 Qc5 27. a4 Rc8 28. Be4 g6 1/2-1/2

[Event "W-ch WS/O/1314 email"]
[Site "ICCF email"]
[Date "2021.03.13"]
[Round "?"]
[White "Rosales, Ralph Christian"]
[Black "Kozak, Jan"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "128"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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. Nf3 0-0 6. Be2 Na6 7. 0-0 e5 8. Be3 Qe7 9. Bg5 exd4 10. Nxd4 Qe5 11. Nf3 Qe8 12. Nd2 Nc5 13. Qc2 b6 14. Rae1 Bb7 15. Bd1 Ne6 16. Bh4 g5 17. Bg3 Nd7 18. Nd5 Nd4 19. Qb1 Bxd5 20. cxd5 Ne5 21. Re3 c5 22. dxc6 Qxc6 23. h4 gxh4 24. Bxh4 Ng6 25. Bg3 Rae8 26. Rd3 b5 27. b4 Qb6 28. Bh2 Be5 29. Kh1 Bxh2 30. Kxh2 Ne6 31. Qb2 Qd8 32. g3 Ne5 33. Rb3 Qb6 34. Nf3 Nxf3+ 35. Rxf3 Qd4 36. Qxd4 Nxd4 37. Rd3 Nc6 38. Rxd6 Nxb4 39. a3 Na2 40. Rc6 Rc8 41. Ra6 Rc1 42. Be2 Rc7 43. Bg4 b4 44. axb4 Nxb4 45. Ra5 Re8 46. f3 Nd3 47. Kh3 Ne5 48. Rfa1 Rc3 49. R1a3 Rc1 50. Ra1 Rc3 51. R5a3 Rxa3 52. Rxa3 Re7 53. Bf5 a5 54. f4 Nc4 55. Rd3 Ra7 56. e5 a4 57. e6 Kf8 58. Rd8+ Ke7 59. exf7 Kxf7 60. Bb1 Ke7 61. Rh8 Kd6 62. Ba2 Nb6 63. Rb8 Kc5 64. g4 Re7 1/2-1/2

[Event "ICCF FM/3601 email"]
[Site "ICCF email"]
[Date "2021.03.08"]
[Round "?"]
[White "Koopman, Henk"]
[Black "Kozak, Jan"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "48"]
[EventDate "2021.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. e5 Ne8 11. f4 f6 12. exf6 Bxf6 13. Na4 Ng7 14. Bd4 Bf5 15. c3 Ne6 16. Bxf6 Rxf6 17. Bg4 Bxg4 18. Qxg4 h5 19. Qe2 Nxf4 20. Qe3 e5 21. Qxe5 Rf5 22. Qe3 Qg5 23. Qf3 Raf8 24. Nc5 Qe7 0-1

[Event "ICCF FM/3601 email"]
[Site "ICCF email"]
[Date "2021.03.08"]
[Round "?"]
[White "Kozak, Jan"]
[Black "Koopman, Henk"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "47"]
[EventDate "2021.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nc6 4. Nc3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Nxd5 Bb4+ 9. Nxb4 Nxb4 10. Qa4+ Nc6 11. e3 0-0 12. Rc1 a6 13. Bd3 Bf5 14. Bxf5 Qxf5 15. 0-0 Rfe8 16. Rc5 Qc8 17. Rfc1 Re7 18. d5 Ne5 19. d6 Nxf3+ 20. gxf3 Rd7 21. dxc7 Rd6 22. Rd1 Rxd1+ 23. Qxd1 Qe8 24. Rd5 1-0

