[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.23"]
[Round "11"]
[White "Del Favero, Karel"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "126"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. Re1 f6 7. d4 Bg4 8. h3 Bh5 9. c3 0-0-0 10. Na3 Qe6 11. Nc2 g5 12. Nxg5 Bxd1 13. Nxe6 Bxc2 14. Nxd8 Kxd8 15. dxe5 Ke8 16. Bd2 fxe5 17. Rac1 Bd3 18. c4 Nf6 19. f3 b5 20. b3 b4 21. Kf2 Bc5+ 22. Be3 Nd7 23. Rcd1 Bxe3+ 24. Kxe3 Nc5 25. Rxd3 Nxd3 26. Kxd3 Ke7 27. c5 Rd8+ 28. Ke2 Rb8 29. Rc1 h5 30. Rc2 h4 31. Ke3 Rg8 32. Rf2 Ke6 33. Rd2 Ke7 34. Kf2 Ke6 35. f4 exf4 36. Kf3 Ke5 37. Rd7 Rg3+ 38. Kf2 Kxe4 39. Rh7 Rc3 40. Rxh4 Rc2+ 41. Kg1 Rxc5 42. Rh7 Rc1+ 43. Kh2 Rc2 44. Re7+ Kd5 45. Rf7 Ke5 46. h4 Rxa2 47. h5 Rd2 48. Rxc7 f3 49. h6 Rxg2+ 50. Kh1 Rg6 51. h7 Rh6+ 52. Kg1 Kd6 53. Ra7 Kc5 54. Kf2 Kb6 55. Rf7 Rh3 56. Re7 a5 57. Rf7 a4 58. bxa4 c5 59. Ke1 Rh2 60. Kf1 c4 61. Ke1 c3 62. Kd1 b3 63. Rxf3 b2 0-1

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.22"]
[Round "10"]
[White "Koska, Josef"]
[Black "Kratochvil, Jiri Sr"]
[Result "1/2-1/2"]
[ECO "B36"]
[PlyCount "85"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be3 Bg7 9. Be2 0-0 10. Qd2 Qa5 11. a3 a6 12. b4 Nxe4 13. Nxe4 Qe5 14. Rc1 Qxe4 15. Bf3 Qe5 16. 0-0 Qb2 17. Rc2 Qxa3 18. Rfc1 Qa4 19. c5 dxc5 20. Bxc5 Bf6 21. Ra2 Qe8 22. Rd1 Be6 23. Ra3 Rd8 24. Rd3 Rxd3 25. Qxd3 Qa4 26. Bxb7 Bc4 27. Qd7 Bb5 28. Qg4 a5 29. Bf3 Qc2 30. Bd4 h5 31. Qf4 Rd8 32. Rc1 Qxc1+ 33. Qxc1 Rxd4 34. bxa5 Ra4 35. Qc8+ Kg7 36. h4 Rxa5 37. g3 Ra1+ 38. Kh2 Ra2 39. Qc5 Bd7 40. Kg2 Rd2 41. Qc1 Rb2 42. Qe3 Be6 43. Qc5 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.21"]
[Round "9"]
[White "Mokry, Karel"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C29"]
[PlyCount "26"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Nxc3 6. bxc3 d4 7. Nf3 Nc6 8. Be2 Be7 9. cxd4 Nxd4 10. c3 Nxe2 11. Qxe2 Be6 12. 0-0 0-0 13. Nd4 Qd7 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.20"]
[Round "8"]
[White "Koska, Josef"]
[Black "Vavruska, Antonin"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "51"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Qc7 9. c3 f5 10. Qe2 Qd7 11. Nf1 h6 12. h4 Qc7 13. e5 Nxe5 14. Nxe5 b5 15. Nh2 a5 16. Bf4 Ra6 17. d4 c4 18. a3 Qa7 19. h5 Kh7 20. Nhf3 b4 21. Nh4 bxa3 22. bxa3 Ng8 23. g4 Nf6 24. gxf5 exf5 25. Neg6 Re8 26. Qxe8 1-0

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.20"]
[Round "7"]
[White "Safar, Eduard"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "40"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 0-0 7. Bc2 d5 8. exd5 Qxd5 9. d3 Bg4 10. Nbd2 Rad8 11. Qe1 Rfe8 12. Ng5 Bh5 13. Kh1 Bg6 14. Nde4 Nh5 15. Be3 Nf4 16. Bxf4 exf4 17. Nh3 f3 18. g3 Bd6 19. Rd1 Qh5 20. Ng1 f5 0-1

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.19"]
[Round "6"]
[White "Koska, Josef"]
[Black "Pise, Jan"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "105"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. c4 Nf6 3. Nc3 d5 4. exd5 cxd5 5. d4 e6 6. Nf3 Nc6 7. Bg5 Be7 8. Rc1 0-0 9. c5 b6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. b4 bxc5 13. bxc5 Nd7 14. Bxe7 Qxe7 15. 0-0 Rfb8 16. Qe2 Qd8 17. Qa6 Qc7 18. Rb1 f6 19. a4 e5 20. Nb5 Qb7 21. Qxb7 Rxb7 22. Nd6 Rxb1 23. Rxb1 Bxa4 24. Ra1 Bc6 25. Ra6 Nb8 26. Ra5 e4 27. Nd2 Bd7 28. Nf1 Nc6 29. Ra1 Nxd4 30. Ne3 Bc6 31. Ra6 Rb8 32. h4 Rb1+ 33. Kh2 Rc1 34. Nef5 Nxf5 35. Nxf5 Bb5 36. Rxa7 Rxc5 37. Ra5 Kf7 38. Rxb5 Rxb5 39. Nd6+ Ke6 40. Nxb5 Ke5 41. Kg3 d4 42. f4+ Kd5 43. Kf2 Kc4 44. Nd6+ Kd3 45. g4 e3+ 46. Ke1 Kc2 47. Nf5 Kd3 48. Ng3 Kc2 49. Nf1 Kd3 50. Ng3 Kc2 51. Nf5 Kd3 52. Nd6 Kc2 53. Nf5 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.18"]
[Round "4"]
[White "Koska, Josef"]
[Black "Donnert, Milan"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "22"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 dxe4 8. dxe4 Qc7 9. Re1 e5 10. c3 0-0 11. Qc2 Nd7 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.18"]
[Round "5"]
[White "Stefl, Vladimir"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "38"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. e5 Ne4 7. c3 d3 8. b4 Be7 9. Qxd3 Ng5 10. Bf4 Ne6 11. Bg3 f6 12. Nbd2 Nxe5 13. Nxe5 fxe5 14. Bxe5 Bf6 15. Nf3 0-0 16. Bc2 g6 17. 0-0 d6 18. Bg3 Ng7 19. Nd4 Kh8 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.17"]
[Round "3"]
[White "Holub, Stanislav"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C67"]
[PlyCount "82"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. d4 0-0 9. c3 Be6 10. Nd2 Re8 11. f4 Bf8 12. b3 f6 13. Nef3 Qd7 14. Bb2 Bf5 15. Rxe8 Rxe8 16. Qf1 Bg6 17. Re1 Nf5 18. Rxe8 Qxe8 19. Qe1 Qe3+ 20. Qxe3 Nxe3 21. Ba1 Ba3 22. c4 Nc2 23. Bc3 Nb4 24. Bxb4 Bxb4 25. Kf2 c5 26. d5 Kf8 27. Ke3 Ke7 28. Ne4 Ba3 29. Nh4 Be8 30. Nf5+ Kf8 31. Kd3 Bd7 32. Ne3 b6 33. g3 Bb2 34. a4 Bd4 35. Nd2 Ke7 36. Nf3 Bb2 37. Kc2 Ba3 38. Ne1 Kd6 39. Nf3 c6 40. dxc6 Kxc6 41. Nd2 Be8 1/2-1/2

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.16"]
[Round "2"]
[White "Koska, Josef"]
[Black "Fabian, Alois"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "77"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. g4 d5 8. e5 Nfd7 9. f4 Qh4+ 10. Kf1 Qh3+ 11. Kf2 Nc6 12. Be3 Be7 13. Bf3 Nxd4 14. Bxd4 g6 15. Ne2 Nc5 16. Ng3 Qh6 17. g5 Qg7 18. b4 Nd7 19. Qd2 b6 20. a3 Rb8 21. c4 dxc4 22. Bc6 0-0 23. Ne4 Rd8 24. Qc3 Qf8 25. Rhd1 Bb7 26. Bxb7 Rxb7 27. Qxc4 b5 28. Qc6 Rbb8 29. Qxa6 Qe8 30. Be3 Kg7 31. Qc6 Nb6 32. Qxe8 Rxe8 33. Bxb6 Rxb6 34. Rac1 Rbb8 35. Rd7 Kf8 36. Rcc7 Ra8 37. Nf6 Bxf6 38. Rxf7+ Kg8 39. gxf6 1-0

[Event "Bystrice nP Region-chB"]
[Site "Bystrice nad Pernstejnem"]
[Date "1973.07.16"]
[Round "1"]
[White "Mejzlik, Zdenek"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "D48"]
[PlyCount "36"]
[EventDate "1973.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. b3 Bb7 11. Bb2 cxd4 12. Nxd4 Nc5 13. Bc2 b4 14. Na4 Nxa4 15. bxa4 Be7 16. a3 bxa3 17. Bxa3 0-0 18. Nf3 Nd5 1/2-1/2

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "7"]
[White "Felix, Vaclav"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C97"]
[PlyCount "100"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. b4 cxb4 13. cxb4 Nc4 14. Nbd2 Rd8 15. Nxc4 bxc4 16. d5 Bd7 17. a4 Rdc8 18. Qe2 Rab8 19. Ba3 Qd8 20. Reb1 Nh5 21. g3 Bxh3 22. Nd2 g6 23. Nxc4 Qd7 24. Bd1 f5 25. exf5 Bxf5 26. Rc1 Bg5 27. Ne3 Rxc1 28. Rxc1 Nf6 29. f4 exf4 30. Nxf5 Qxf5 31. Qe6+ Kg7 32. Rc7+ Kh6 33. Qxf5 gxf5 34. gxf4 Bxf4 35. Bf3 Re8 36. Bb2 Ng4 37. Bd4 Re1+ 38. Kg2 Rb1 39. Bc3 Ne5 40. Be2 Kg6 41. Bxa6 h5 42. Be2 h4 43. a5 Ng4 44. Rg7+ Kh5 45. Bf3 Rc1 46. Bf6 Rc2+ 47. Kf1 Rf2+ 48. Ke1 Rxf3 49. a6 Ra3 50. b5 Be3 0-1

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "6"]
[White "Koska, Josef"]
[Black "Cucka, Josef"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "96"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Qb6 10. Nc2 Qd8 11. 0-0 Bd7 12. c5 dxc5 13. e5 Ne8 14. Bxc5 Nc7 15. Qd2 Bf5 16. Rad1 Qxd2 17. Rxd2 Ne6 18. Be3 Rfd8 19. Rfd1 g5 20. g3 gxf4 21. gxf4 Bh6 22. Rxd8+ Rxd8 23. Rxd8+ Ncxd8 24. Nb4 Bxf4 25. Bxa7 Bxe5 26. Nbd5 Nc6 27. Bf2 Ned4 28. Bd1 e6 29. Ne3 Bd3 30. Ng4 Bg7 31. Bh4 f5 32. Nf6+ Bxf6 33. Bxf6 Kf7 34. Bh4 e5 35. Bh5+ Ke6 36. Kf2 f4 37. Be8 e4 38. Bh5 e3+ 39. Kg2 Ne5 40. Na4 Be4+ 41. Kf1 Nd3 42. Bg4+ Bf5 43. Bxf5+ Kxf5 44. Nc3 Nxb2 45. Ne2 Nxe2 46. Kxe2 Ke4 47. Be1 f3+ 48. Kf1 f2 0-1

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "15"]
[White "Koska, Josef"]
[Black "Machacek, Petr"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "80"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 Qc7 9. Kh1 Nc6 10. Nb3 Bd7 11. Bf3 0-0 12. Be3 Na5 13. Nxa5 Qxa5 14. Qe1 Qc7 15. Rd1 Bc6 16. Qg3 Nd7 17. Bd4 e5 18. Be3 b5 19. Rf2 b4 20. Nd5 Bxd5 21. Rxd5 Kh8 22. Rd1 Qa5 23. Bd2 Qc5 24. Bc1 Nf6 25. fxe5 dxe5 26. Rfd2 Rac8 27. Qe1 h6 28. Qe2 Rc6 29. Qd3 Rfc8 30. Qb3 Qc4 31. Be2 Qxb3 32. axb3 Nxe4 33. Bg4 Nxd2 34. Bxc8 Nxb3 35. cxb3 Rxc8 36. Be3 Rc2 37. g3 Rxb2 38. Rd7 Rxb3 39. Bb6 Bf6 40. Rxf7 Ra3 0-1

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "10"]
[White "Koska, Josef"]
[Black "Pise, Jan"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "57"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 Nb6 10. d5 Ne5 11. Bb5+ Nbd7 12. Ne4 g6 13. f4 Ng4 14. Nc5 Ngf6 15. Nxb7 Qb6 16. Bc6 Rb8 17. Qxb6 axb6 18. Be3 Bh6 19. Bxb6 Bxf4 20. Ba7 Ra8 21. Nd6+ Bxd6 22. Bxa8 0-0 23. Bc6 Bb4+ 24. Ke2 Ne5 25. a3 Bd6 26. Bd4 Rc8 27. Rac1 e6 28. f4 Neg4 29. h3 1-0

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "14"]
[White "Krejci, Miroslav"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "42"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c4 Ngf6 6. Nc3 Be7 7. Be3 e5 8. d5 0-0 9. a3 a5 10. Be2 Re8 11. g4 Nc5 12. Bxc5 Bxc5 13. g5 Nd7 14. Ne4 Be7 15. Nf3 Nc5 16. Nxc5 Bxc5 17. Rg1 Qd6 18. Qd2 Qb6 19. Bf1 e4 20. Qe2 Bxf2+ 21. Kd1 Bxg1 0-1

[Event "Brno Gargulak Memorial"]
[Site "Brno"]
[Date "1973.??.??"]
[Round "5"]
[White "Vykydal, Frantisek"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "87"]
[EventDate "1973.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 Be7 6. Re1 0-0 7. h3 a6 8. Bxc6 bxc6 9. d4 exd4 10. Nxd4 Bd7 11. c4 Ne8 12. Bf4 Rb8 13. b3 g6 14. e5 Ng7 15. Nc3 Ne6 16. exd6 cxd6 17. Bg3 Rb7 18. Qd2 Qa5 19. Rad1 Rd8 20. Nd5 Qxd2 21. Nxe7+ Kf8 22. Nxg6+ hxg6 23. Bxd6+ Kg8 24. Rxd2 Nxd4 25. Rxd4 Be6 26. c5 Bd5 27. g4 f6 28. Kh2 Kf7 29. Kg3 a5 30. Rf4 g5 31. Rd4 Ra8 32. f4 gxf4+ 33. Kxf4 Rb4 34. Rxb4 axb4 35. Re7+ Kg8 36. Kf5 Rxa2 37. Kg6 Ra8 38. Rb7 Bxb3 39. Rxb4 Bc2+ 40. Kxf6 Ra3 41. Rb8+ Kh7 42. Be5 Rb3 43. Ra8 Re3 44. Bb2 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.15"]
[Round "19"]
[White "Koska, Josef"]
[Black "Fichtl, Jiri"]
[Result "0-1"]
[ECO "A14"]
[PlyCount "80"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 b6 8. d3 Bb7 9. Nbd2 c5 10. e3 Rc8 11. Rc1 Bd6 12. Rc2 Qe7 13. Qa1 Rfe8 14. Nh4 Qd8 15. Rd1 Bf8 16. cxd5 Nxd5 17. a3 Qc7 18. e4 Ne7 19. f4 Qb8 20. Nc4 Red8 21. Rf2 b5 22. Ne3 Nb6 23. f5 Nc6 24. fxe6 fxe6 25. Bh3 Qd6 26. Nf3 Rc7 27. d4 Bc8 28. d5 exd5 29. Bxc8 Rcxc8 30. exd5 Nd4 31. Nxd4 cxd4 32. Rxd4 Qe5 33. Ng4 Qh5 34. Qd1 Rxd5 35. Qf3 Bc5 36. Kg2 Rf8 37. Rf4 Rxf4 38. Qxf4 Bxf2 39. Nf6+ gxf6 40. Qxf6 Qg6 0-1

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.13"]
[Round "18"]
[White "Jezek, Jaroslav"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "83"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 e5 5. dxe5 Qxd1+ 6. Kxd1 b5 7. a4 b4 8. Nb1 Nd7 9. f4 Nc5 10. Bxc4 Nxe4 11. Ke2 Nh6 12. Nd2 Nc5 13. Ngf3 Be7 14. Nd4 Bd7 15. h3 Rd8 16. N2f3 Nf5 17. Nxf5 Bxf5 18. Be3 Bd3+ 19. Bxd3 Nxd3 20. b3 Nc5 21. Bxc5 Bxc5 22. Rac1 Bb6 23. Rxc6 0-0 24. Rd1 g6 25. Rc4 Rde8 26. Rxb4 f6 27. Rd7 g5 28. a5 Rd8 29. Rxd8 Bxd8 30. Rb7 Bxa5 31. Rxa7 Bd8 32. fxg5 fxe5 33. Kd3 Bb6 34. Re7 Rb8 35. Kc2 Rc8+ 36. Kb1 Rc3 37. Rxe5 Rxb3+ 38. Kc2 Ra3 39. Rb5 Ba7 40. Rb2 Ra6 41. Kd3 Kf7 42. Ke4 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.11"]
[Round "17"]
[White "Koska, Josef"]
[Black "Zita, Frantisek"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "87"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 c6 2. e4 e6 3. Nf3 d5 4. exd5 exd5 5. cxd5 cxd5 6. Bb5+ Bd7 7. Bxd7+ Nxd7 8. 0-0 Bd6 9. Nc3 Ne7 10. Nb5 Nc5 11. d3 0-0 12. b3 Ne6 13. Bb2 Ng6 14. g3 a6 15. Nbd4 Nxd4 16. Bxd4 Qd7 17. Be3 Rfe8 18. Nd4 Be5 19. Qf3 Bf6 20. Rac1 Ne5 21. Qf5 Rad8 22. Rfd1 Qxf5 23. Nxf5 Nc6 24. Bb6 Rd7 25. Re1 Re6 26. Nd4 Bxd4 27. Bxd4 Rxe1+ 28. Rxe1 f6 29. Bc5 Ne5 30. Rd1 Kf7 31. f4 Nc6 32. Re1 Rd8 33. Kf2 g6 34. Kf3 Re8 35. Rxe8 Kxe8 36. Ke3 Kf7 37. g4 Ke6 38. h3 f5 39. g5 b5 40. b4 d4+ 41. Ke2 Kd5 42. a3 a5 43. Bf8 axb4 44. axb4 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.10"]
[Round "16"]
[White "Mikula, Ladislav"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "73"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nh2 Rd8 15. Qf3 Ne8 16. Ndf1 Bf8 17. Ne3 Ne7 18. Nhg4 g6 19. Qg3 Bg7 20. h4 Kh8 21. h5 gxh5 22. Nh2 Nd6 23. Nf3 Ng6 24. Nd5 Qb7 25. Bg5 Nxe4 26. Bxe4 Rxd5 27. Bxd5 Qxd5 28. Rad1 Qe6 29. Rd8+ Nf8 30. Rxe5 Qc6 31. Ree8 Bb7 32. Rxf8+ Bxf8 33. Qe5+ Kg8 34. Bf6 Qe4 35. Rxa8 Bxa8 36. Qxe4 Bxe4 37. Ne5 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.09"]
[Round "15"]
[White "Koska, Josef"]
[Black "Olexa, Vilém"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "99"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. d4 c5 6. Be2 cxd4 7. Nxd4 Nc6 8. Be3 d6 9. 0-0 Bd7 10. Rc1 Qa5 11. Nb3 Qd8 12. c5 Ne8 13. f4 Bc8 14. Bf3 e5 15. Nb5 exf4 16. Bxf4 dxc5 17. Qxd8 Nxd8 18. e5 Ne6 19. Bg3 a6 20. Nc3 Ra7 21. Nd5 b5 22. Nxc5 Nd4 23. Bd1 Bh6 24. Rc3 Ng7 25. Bf2 Ndf5 26. Ne4 Ra8 27. g4 Be6 28. gxf5 Nxf5 29. Nc7 Bc4 30. Nxa8 Bxf1 31. Kxf1 Rxa8 32. Bb3 Bf4 33. e6 fxe6 34. Bxe6+ Kg7 35. Ng3 Be5 36. Nxf5+ gxf5 37. Rc2 Kf6 38. Bd5 Rb8 39. Bh4+ Kg6 40. Rg2+ Kh5 41. Be7 Rc8 42. Bf7+ Kh6 43. Bg5+ Kg7 44. Be6 Rc6 45. Be7+ Kh6 46. Bxf5 Rc7 47. Bg5+ Kh5 48. Be3 Rf7 49. Rf2 Rc7 50. Be4 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.08"]
[Round "14"]
[White "Podgorny, Jiri"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "D59"]
[PlyCount "81"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Qa4 a5 12. Ne5 c5 13. Bb5 Qg5 14. Be2 Rd8 15. 0-0 b5 16. Qxb5 Ba6 17. Qxa5 Bxe2 18. Qxa8 cxd4 19. exd4 f6 20. f4 Qh5 21. Qa5 Qe8 22. Rfe1 fxe5 23. Rxe2 Nc6 24. Qb6 e4 25. Rc1 Ne7 26. Qe6+ Qf7 27. Qxf7+ Kxf7 28. Rc7 Ke6 29. g4 Rb8 30. Kf2 Kd6 31. Rec2 Rb6 32. Ke3 g6 33. h3 h5 34. b3 hxg4 35. hxg4 Rb8 36. R2c3 Rb4 37. f5 gxf5 38. gxf5 Rxd4 39. f6 Ng6 40. R7c6+ Ke5 41. f7 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.07"]
[Round "13"]
[White "Koska, Josef"]
[Black "Stulik, Vlastimil"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "88"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. Ba3 f4 12. Rc1 Bh6 13. cxd6 cxd6 14. Qb3 Kh8 15. Rfd1 Bd7 16. b5 Ng8 17. Bb4 Qe7 18. Nb1 Bg7 19. Nbd2 Nh6 20. a4 g5 21. Nc4 Nf7 22. h3 h5 23. Nh2 Nf6 24. Qa3 Nxe4 25. Bxh5 g4 26. Bxg4 Qh4 27. Be1 Bxg4 28. Nxg4 Nfg5 29. Nd2 Nxd2 30. Bxd2 Rf7 31. Qxd6 Nxh3+ 32. gxh3 Qxh3 33. Qe6 f3 34. Ne3 Qh5 35. Qg4 Qh7 36. Nf1 Rg8 37. Ng3 e4 38. Rc8 Rxc8 39. Qxc8+ Rf8 40. Qg4 Rg8 41. Qh5 Qxh5 42. Nxh5 Bd4+ 43. Kf1 Rg2 44. Be3 Be5 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.06"]
[Round "12"]
[White "Filip, Miroslav"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "59"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Ne7 6. Nf3 Nbc6 7. 0-0 Nf5 8. b4 Bxb4 9. Nxe5 Bxc3 10. Nxc6 Qf6 11. dxc3 bxc6 12. Bg5 Qxg5 13. Bxc6+ Ke7 14. Bxa8 h5 15. Qc1 Qxc1 16. Rfxc1 h4 17. Bf3 g5 18. Rab1 Rh6 19. Rb8 Nd6 20. Ra8 a6 21. c4 c5 22. Ra1 g4 23. Ra7+ Kf8 24. Bd5 h3 25. f3 Kg7 26. Rc7 gxf3 27. exf3 Rh8 28. g4 Re8 29. Kf2 Kg6 30. Rc6 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.04"]
[Round "11"]
[White "Koska, Josef"]
[Black "Blatny, Frantisek"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "55"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Bb2 Qc8 8. d3 d6 9. Nbd2 Nbd7 10. Qc2 c5 11. Rad1 d5 12. e3 Rd8 13. Qb1 Bc6 14. cxd5 Bxd5 15. Rc1 Qb7 16. e4 Bc6 17. Nc4 Rac8 18. Nfe5 Nxe5 19. Nxe5 Bb5 20. Rfd1 Nd7 21. a4 Ba6 22. Nc4 Qa8 23. Qa1 Bf8 24. Rc2 Bb7 25. a5 b5 26. a6 bxc4 27. axb7 Qxb7 28. bxc4 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.03"]
[Round "10"]
[White "Eret, Miloslav"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "63"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. e5 d4 5. exf6 dxc3 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. bxc3 Qe6+ 9. Qe2 Qxe2+ 10. Kxe2 gxf6 11. d4 e6 12. Be3 Nd7 13. Rhb1 b6 14. a4 Bd6 15. a5 Ke7 16. Nd2 Rhc8 17. Kd3 e5 18. Ra4 f5 19. Nc4 Rab8 20. axb6 axb6 21. Ra6 cxd4 22. Nxb6 Rxb6 23. Raxb6 Nxb6 24. Bxd4 exd4 25. Rxb6 Rxc3+ 26. Kd2 Bxh2 27. g3 Bg1 28. Rh6 Bxf2 29. Rxh7 Bxg3 30. Rh8 Bf4+ 31. Kd1 Be5 32. Rh5 0-1

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.12.02"]
[Round "9"]
[White "Koska, Josef"]
[Black "Ujtelky, Maximilian"]
[Result "1/2-1/2"]
[ECO "B38"]
[PlyCount "43"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. Nb3 Ne5 11. Bd4 Nc6 12. Be3 b6 13. Rc1 Rc8 14. f4 Ne8 15. Qd2 f5 16. Bf3 Nf6 17. h3 Qe8 18. Rfe1 Kh8 19. exf5 gxf5 20. Nd5 Qf7 21. Nd4 Rg8 22. Nxf6 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.30"]
[Round "8"]
[White "Kozma, Edmund"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "63"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. Be2 d5 5. Nbd2 Be7 6. c3 0-0 7. 0-0 b6 8. a3 Bb7 9. b4 Bd6 10. c4 dxe4 11. Nxe4 Nd4 12. Nxd4 exd4 13. Nxd6 Qxd6 14. Bf3 c6 15. g3 Rfe8 16. Bg5 h6 17. Bxf6 Qxf6 18. Ra2 Re6 19. Bg2 Rae8 20. Qa4 a6 21. Qd1 Qe7 22. Ra1 c5 23. Bxb7 Qxb7 24. Rb1 Qc6 25. a4 Re2 26. bxc5 bxc5 27. a5 Qf3 28. Rb6 R8e3 29. Rxa6 Rxd3 30. Ra8+ Kh7 31. Qb1 g6 32. Qb8 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.29"]
[Round "7"]
[White "Koska, Josef"]
[Black "Herink, Miroslav"]
[Result "0-1"]
[ECO "E95"]
[PlyCount "79"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Re1 exd4 9. Nxd4 Nc5 10. f3 c6 11. Be3 a5 12. Qd2 Qb6 13. Rab1 Re8 14. Red1 Nfd7 15. Bf1 Qd8 16. Qf2 Qe7 17. Re1 Ne5 18. Rbd1 Ne6 19. Nxe6 Bxe6 20. c5 dxc5 21. Bxc5 Qf6 22. Bd4 Rad8 23. Bb6 Rd7 24. Rxd7 Nxd7 25. Be3 a4 26. a3 Ne5 27. Rd1 Bb3 28. Rd2 Rd8 29. Bb6 Nxf3+ 30. gxf3 Qg5+ 31. Qg2 Qxd2 32. Bxd8 Qxd8 33. Qe2 Bh6 34. e5 Qd4+ 35. Kh1 Bf4 36. Bh3 Qxe5 37. Qxe5 Bxe5 38. Bc8 b5 39. Bd7 b4 40. axb4 0-1

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.28"]
[Round "6"]
[White "Altschul, Milos"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "82"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 Nc6 7. Bxc6+ bxc6 8. Qa4 Qd7 9. Nf3 f6 10. Be3 e5 11. Ne4 Ne6 12. Rc1 Rb8 13. Nxc5 Nxc5 14. Bxc5 Bxc5 15. Rxc5 Rxb2 16. Nd2 0-0 17. Rc2 Rxc2 18. Qxc2 Qd5 19. f3 Be6 20. Kf2 Rb8 21. Rb1 Rb6 22. a3 h6 23. Kg2 Qa2 24. Qxa2 Bxa2 25. Rb4 c5 26. Rxb6 axb6 27. Ne4 Bd5 28. Nd6 Kf8 29. Kf2 Bc6 30. Ke3 b5 31. h4 Ke7 32. Nf5+ Kf7 33. Kd2 Bd7 34. Ne3 Ke6 35. g4 Kd6 36. h5 Be6 37. Kc3 Kc6 38. Ng2 Kb6 39. Nh4 Ka5 40. Ng6 Ka4 41. Kb2 Bb3 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.27"]
[Round "5"]
[White "Koska, Josef"]
[Black "Kopriva, Jiri"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "58"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxe5 dxe5 14. Nf1 Bd6 15. a4 Rb8 16. axb5 axb5 17. Bg5 Ne8 18. Ne3 f6 19. Nd5 Qb7 20. Be3 Be6 21. Qe2 Nc7 22. Red1 Rfd8 23. Nxc7 Qxc7 24. Rd2 Be7 25. Rad1 Rxd2 26. Rxd2 Na5 27. Rd1 Bc4 28. Bd3 Bb3 29. Bc2 Bc4 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.26"]
[Round "4"]
[White "Pachman, Ludek"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "C81"]
[PlyCount "99"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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 Na5 10. Nd4 Qd7 11. c3 Nxb3 12. axb3 Nc5 13. Nd2 Be7 14. b4 Na4 15. N2b3 0-0 16. f4 c5 17. bxc5 Nxc5 18. Be3 Nxb3 19. Nxb3 d4 20. Nxd4 Bc4 21. Qf3 Bxf1 22. Rxf1 f5 23. h3 a5 24. g4 g6 25. e6 Qe8 26. gxf5 gxf5 27. Kh2 Bf6 28. Qd5 Rd8 29. Qxf5 Bxd4 30. Rg1+ Bg7 31. Qg5 Qg6 32. e7 Qxg5 33. Rxg5 Rde8 34. exf8Q+ Kxf8 35. Bb6 Re2+ 36. Rg2 Re4 37. Kg3 b4 38. Kf3 Rc4 39. Bxa5 bxc3 40. Bxc3 Bxc3 41. Rc2 Bxb2 42. Rxc4 Kf7 43. Kg4 Kg6 44. Rc5 Bf6 45. h4 Bd8 46. h5+ Kg7 47. Kf5 Kf7 48. Rd5 Bh4 49. Rd7+ Kg8 50. h6 1-0

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.25"]
[Round "3"]
[White "Koska, Josef"]
[Black "Kozma, Julius"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "60"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. d4 exd4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Bb4 11. Nxd4 Nxd4 12. c3 Be7 13. cxd4 Qb6 14. d5 Bxd5 15. Be3 Qc6 16. Rc1 Qd7 17. Bf4 Bc6 18. Nc5 Qxd1 19. Rcxd1 Rd8 20. Bxc7 Rxd1 21. Rxd1 0-0 22. Rc1 Rc8 23. Bf4 Bxg2 24. Kxg2 Rxc5 25. Re1 Kf8 26. Re2 Rc6 27. b3 Bd6 28. Bg3 f6 29. Kf3 Kf7 30. Ke4 Bxg3 0-1

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.24"]
[Round "2"]
[White "Marsalek, Josef"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "D42"]
[PlyCount "92"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Bd3 cxd4 8. exd4 Be7 9. 0-0 0-0 10. a3 h6 11. Qe2 Re8 12. Re1 Nf6 13. Be3 Bd7 14. Bf4 Bf8 15. Be5 Ne7 16. Nb5 Ned5 17. Nd6 Bxd6 18. Bxd6 Bc6 19. Be5 Rc8 20. Nd2 Nb6 21. Rac1 Bd5 22. Rxc8 Nxc8 23. Nc4 Nd7 24. Ne3 Nxe5 25. dxe5 Nb6 26. Rd1 Qg5 27. Bb5 Rc8 28. Nxd5 Nxd5 29. g3 Rc1 30. Rxc1 Qxc1+ 31. Kg2 Qc5 32. Qc4 Qxc4 33. Bxc4 Nc7 34. Kf3 Kf8 35. Ke4 Ke7 36. Kd4 Kd7 37. Kc5 b6+ 38. Kd4 Kc6 39. Bd3 Kd7 40. Be4 Ne8 41. Bc2 Nc7 42. Ba4+ Ke7 43. Ke4 f5+ 44. exf6+ gxf6 45. f4 a5 46. f5 e5 1/2-1/2

[Event "CSR-ch27"]
[Site "Prague"]
[Date "1957.11.23"]
[Round "1"]
[White "Koska, Josef"]
[Black "Dolezal, Jiri"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "85"]
[EventDate "1957.11.23"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bc4 Qc7 9. Qe2 Be7 10. a4 0-0 11. 0-0 exf4 12. Bxf4 Ne5 13. Bb3 Bg4 14. Kh1 Rac8 15. Rad1 Kh8 16. h3 Bh5 17. Bh2 Nc4 18. Bxc4 Qxc4 19. Qxc4 Rxc4 20. Bxd6 Bxd6 21. Rxd6 Rxc3 22. bxc3 Nxe4 23. Rb6 Ng3+ 24. Kg1 Nxf1 25. Kxf1 Bg6 26. Rxb7 Bxc2 27. a5 h6 28. Ke2 Rc8 29. Kd2 Ba4 30. Rxf7 Rc5 31. Nd4 Rxa5 32. Rf5 Rxf5 33. Nxf5 Bc6 34. g3 Bd7 35. g4 Bxf5 36. gxf5 Kg8 37. c4 Kf7 38. Kc3 Kf6 39. c5 Kxf5 40. Kb4 Ke6 41. Ka5 Kd7 42. Kb6 Kc8 43. Kxa6 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.22"]
[Round "15"]
[White "Koska, Josef"]
[Black "Jezek, Stanislav"]
[Result "1/2-1/2"]
[ECO "A53"]
[PlyCount "44"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. d4 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. 0-0 Nb6 10. b3 Be6 11. Ne1 N8d7 12. Nd3 Nc5 13. Rd1 Kc7 14. f4 Rd8 15. Be3 Nxd3 16. Rxd3 Rxd3 17. exd3 Bb4 18. Ne4 Rd8 19. fxe5 fxe5 20. Ng5 Bg8 21. Be4 h6 22. Nf3 Nd7 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.21"]
[Round "14"]
[White "Sedlacek, Frantisek"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C86"]
[PlyCount "62"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. a4 Bb7 8. c3 0-0 9. d3 d5 10. 0-0 b4 11. a5 d4 12. Bg5 dxc3 13. bxc3 Nd7 14. h4 h6 15. Bd2 Bxh4 16. g3 Be7 17. Kg2 Kh7 18. Rh1 f5 19. exf5 Nc5 20. Bc4 Rxf5 21. Qe3 Qf8 22. Bd5 Rd8 23. Be4 Kh8 24. Bxf5 Qxf5 25. Rxh6+ gxh6 26. Qxh6+ Kg8 27. Be3 Nb3 28. Ra2 Ncd4 29. Nbd2 Nxd2 30. Rxd2 Qxf3+ 31. Kf1 Qg2+ 0-1

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.20"]
[Round "13"]
[White "Koska, Josef"]
[Black "Wolf, Rudolf"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "127"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Bg5 Nbd7 9. Qd2 Re8 10. Rd1 c6 11. 0-0 Qe7 12. Qd6 h6 13. Qxe7 Rxe7 14. Be3 Ne8 15. h3 Nf8 16. Bc5 Rd7 17. Na4 Ne6 18. Rxd7 Bxd7 19. Rd1 Nxc5 20. Nxc5 Bc8 21. Nd7 Bxd7 22. Rxd7 Rb8 23. Nd2 Kf8 24. Bd1 Nf6 25. Rd3 Ke7 26. Kf1 Rd8 27. Ke2 Rxd3 28. Kxd3 Nd7 29. b4 b6 30. Nb1 Bf8 31. Nc3 Ke6 32. a3 a5 33. Na2 axb4 34. axb4 Nb8 35. Bb3 c5 36. b5 Nd7 37. Nc3 Nf6 38. Bd1 Bd6 39. Bg4+ Ke7 40. Bc8 Bc7 41. g3 Kf8 42. Ke3 Ng8 43. f4 f6 44. Nd5 Bd8 45. Be6 Kg7 46. Bxg8 Kxg8 47. Kf3 Kg7 48. f5 g5 49. Kg4 Kh7 50. Kh5 Kg7 51. Ne3 Be7 52. Ng4 Bf8 53. Nxh6 Be7 54. Ng4 Kh7 55. h4 gxh4 56. Kxh4 Bd8 57. Kh5 Kg7 58. Ne3 Kh7 59. Nd5 Kg7 60. g4 Kh7 61. g5 fxg5 62. f6 g4 63. Kxg4 Kg6 64. f7 1-0

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.19"]
[Round "12"]
[White "Hasek, Josef"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "34"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 g6 3. Nf3 Bg7 4. e3 0-0 5. Bd3 d6 6. 0-0 Nc6 7. e4 e5 8. fxe5 dxe5 9. d5 Ne7 10. c4 c6 11. Qe2 b5 12. dxc6 bxc4 13. Bxc4 Nxc6 14. Nc3 Bg4 15. Be3 Nd4 16. Bxd4 exd4 17. Nd5 Rb8 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.18"]
[Round "11"]
[White "Koska, Josef"]
[Black "Vesely, Jiri"]
[Result "1/2-1/2"]
[ECO "A81"]
[PlyCount "30"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 c6 4. Bg2 d6 5. 0-0 Qc7 6. Re1 e5 7. dxe5 dxe5 8. e4 Nxe4 9. Nbd2 Bd6 10. Nxe4 fxe4 11. Ng5 Bf5 12. Nxe4 Be7 13. Qe2 Nd7 14. Bg5 Bxg5 15. Nxg5 h6 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.17"]
[Round "10"]
[White "Koska, Josef"]
[Black "Kopriva, Jiri"]
[Result "1/2-1/2"]
[ECO "D66"]
[PlyCount "43"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Be7 4. Nc3 d5 5. Bg5 Nbd7 6. e3 h6 7. Bh4 0-0 8. Rc1 c6 9. Bd3 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. Ne4 Qb4+ 13. Qd2 Qxd2+ 14. Kxd2 Rd8 15. Bb3 N7f6 16. Nxf6+ Nxf6 17. Rhd1 Kf8 18. Ke2 Bd7 19. Ne1 Be8 20. Nd3 Nd7 21. Nc5 Nxc5 22. dxc5 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.16"]
[Round "9"]
[White "Koska, Josef"]
[Black "Macura, Emil"]
[Result "1-0"]
[ECO "E95"]
[PlyCount "67"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 c6 6. Be2 Nbd7 7. 0-0 0-0 8. h3 e5 9. Re1 Qe7 10. Bf1 Ne8 11. Rb1 f5 12. Bg5 Qf7 13. exf5 Qxf5 14. Bd3 Qf7 15. Qc2 c5 16. Nd5 Nef6 17. dxe5 dxe5 18. Nxe5 Nxe5 19. Rxe5 Nxd5 20. Rxd5 Be6 21. Be4 Kh8 22. Rd2 Bxc4 23. b3 Be6 24. Qxc5 b6 25. Qe7 Rae8 26. Qxf7 Rxf7 27. Bc6 Rc8 28. Rd6 Bf5 29. Rbd1 Be5 30. Rd8+ Rxd8 31. Rxd8+ Kg7 32. Bd5 Bc7 33. Ra8 Rd7 34. Rg8# 1-0

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.15"]
[Round "8"]
[White "Klir, Jaroslav"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "31"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5 7. Ng5 d3 8. cxd3 Nd4 9. Qh5+ g6 10. Qh4 c6 11. dxe4 cxd5 12. exd5 Qa5+ 13. Bd2 Qa4 14. Qg3 Nc2+ 15. Ke2 Nd4+ 16. Ke1 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.14"]
[Round "7"]
[White "Koska, Josef"]
[Black "Milotai, Daniel"]
[Result "1-0"]
[ECO "E54"]
[PlyCount "59"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[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 0-0 5. Bd3 c5 6. Nf3 d5 7. a3 cxd4 8. exd4 dxc4 9. Bxc4 Be7 10. 0-0 Nbd7 11. Bg5 Nb6 12. Bb3 Nbd5 13. Ne5 Bd7 14. Qd3 h6 15. Nxd5 Nxd5 16. Bc2 f5 17. Bd2 a6 18. Rfe1 Rc8 19. Bb3 Bd6 20. Qf3 Bxe5 21. Rxe5 Bc6 22. Rxe6 Kh8 23. Qh3 Rc7 24. Bxh6 gxh6 25. Rxh6+ Kg7 26. Rh7+ Kg8 27. Rh8+ Kg7 28. Qh6+ Kf7 29. Rh7+ Ke8 30. Qg6+ 1-0

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.13"]
[Round "6"]
[White "Florian, Jaromir"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "81"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nf6 5. d3 Ng4 6. Bg5 f6 7. Bc1 Nc6 8. Nc3 Bc5 9. e3 Bxe3 10. Bxe3 Nxe3 11. Qe2 Qe7 12. Kd2 Nxf1+ 13. Qxf1 Be6 14. Re1 0-0-0 15. Qf2 Rhe8 16. Re4 Qd7 17. Qc5 Bg4 18. Rhe1 Rxe4 19. Rxe4 a6 20. Qf2 Re8 21. Rxe8+ Qxe8 22. Nd4 Nxd4 23. Qxd4 Bd7 24. g3 Qh5 25. h4 Qf3 26. Qe3 Qg2+ 27. Ne2 Kb8 28. Qe4 Qf2 29. Qd4 Qf5 30. b4 g5 31. Qe4 Qf2 32. Kc3 Bc6 33. Qe7 Qe1+ 34. Kc4 b5+ 35. Kd4 Bf3 36. Qxf6 Qxe2 37. Qxg5 Qxc2 38. Qg8+ Kb7 39. Qxh7 Qf2+ 40. Kc3 Qxg3 41. Qf5 0-1

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.12"]
[Round "5"]
[White "Koska, Josef"]
[Black "Fichtl, Jiri"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "35"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[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. e3 Nf6 5. Nf3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. Qc2 dxc4 9. Bxc4 Bd6 10. Ne4 Bc7 11. b4 Qe7 12. Nxf6+ Qxf6 13. Bb2 e5 14. d5 Nb6 15. dxc6 Qxc6 16. Rac1 e4 17. Ne5 Bxe5 18. Bxe5 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.11"]
[Round "4"]
[White "Malcanek, Oldrich"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "44"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[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 d5 4. Nf3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Bd3 c5 12. dxc5 bxc5 13. 0-0 Nc6 14. Bb5 Bb7 15. Rc1 Rac8 16. Qd2 Rfd8 17. Rfd1 d4 18. exd4 Nxd4 19. Nxd4 Rxd4 20. Qc3 Rxd1+ 21. Rxd1 Bxg2 22. Bd7 Rd8 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.10"]
[Round "3"]
[White "Koska, Josef"]
[Black "Novotny, Oldrich"]
[Result "1-0"]
[ECO "A92"]
[PlyCount "37"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. 0-0 Be7 7. Nbd2 0-0 8. Qc2 Bd7 9. Ne5 Be8 10. cxd5 cxd5 11. Ndf3 Ne4 12. Be3 Na6 13. Rac1 Qb6 14. Nd3 Bd7 15. Nfe5 Bb5 16. Qb3 Rfc8 17. Nf4 Nc7 18. Rxc7 Rxc7 19. Nxd5 1-0

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.09"]
[Round "2"]
[White "Ratolistka, Josef"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C62"]
[PlyCount "58"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. d4 Bg4 5. Bb5 exd4 6. Qxd4 a6 7. Bxc6+ bxc6 8. Qc4 Qd7 9. Nd4 Ne7 10. h3 Be6 11. Nxe6 fxe6 12. 0-0 Ng6 13. f4 d5 14. Qd3 Bc5+ 15. Kh1 0-0 16. Ne2 Rf7 17. Be3 Bxe3 18. Qxe3 Raf8 19. Rad1 Qe7 20. Kh2 Qb4 21. exd5 exd5 22. Qd4 Qd6 23. g3 Ne7 24. Qd3 Nf5 25. Nd4 Nxd4 26. Qxd4 Re7 27. Rfe1 Rfe8 28. Qf2 Qb4 29. c3 Qb6 1/2-1/2

[Event "CSR-ch27 sf"]
[Site "Brno"]
[Date "1957.09.08"]
[Round "1"]
[White "Koska, Josef"]
[Black "Lendl, Jiri"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "81"]
[EventDate "1957.09.08"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CSR"]
[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. Bg5 e5 7. Nb3 Be7 8. Be2 Nbd7 9. 0-0 0-0 10. Qd3 Qc7 11. Rad1 b5 12. a3 Bb7 13. Bg4 h6 14. Bh4 g5 15. Bxd7 Nxd7 16. Bg3 Rfd8 17. Qe2 Kg7 18. h4 Rh8 19. Rd3 Rag8 20. h5 Nf6 21. Rfd1 Bc8 22. Nd5 Nxd5 23. Rxd5 Be6 24. R5d2 Qc8 25. f3 f6 26. Bh2 g4 27. Kh1 Kh7 28. Qf2 Qe8 29. Rxd6 Bxd6 30. Rxd6 Bxb3 31. fxg4 Rf8 32. Qf5+ Kg8 33. cxb3 Rh7 34. Rxf6 Rxf6 35. Qxf6 Qf7 36. Qd8+ Qf8 37. Qd5+ Rf7 38. Bxe5 Kh7 39. Qe6 Rf1+ 40. Kh2 Qf7 41. Qxa6 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Hostinsky, Zdenek"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "72"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 e5 7. Nc3 Nc7 8. d3 Be7 9. b3 0-0 10. Bb2 f6 11. Rc1 b6 12. Nh4 Bb7 13. Nf5 Qd7 14. Nxe7+ Qxe7 15. f4 exf4 16. Rxf4 Rad8 17. Qf1 Ne6 18. Nd5 Qd7 19. Rxf6 gxf6 20. Nxf6+ Rxf6 21. Qxf6 Ncd4 22. Bxb7 Rf8 23. Qe5 Qxb7 24. b4 Qf7 25. bxc5 bxc5 26. Qe3 Qh5 27. Kh1 Qxe2 28. Qxe2 Nxe2 29. Rc2 Rf2 30. Rc4 Nxg3+ 31. hxg3 Rxb2 32. Ra4 Nd4 33. Rxa7 Nf3 34. Ra8+ Kg7 35. Ra7+ Kg6 36. Ra6+ Kg5 0-1

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Basta"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "117"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bd3 dxe4 6. Bxe4 Nf6 7. Nge2 Nxe4 8. fxe4 Qh4+ 9. Ng3 c5 10. a3 cxd4 11. Qxd4 Bxc3+ 12. Qxc3 0-0 13. 0-0 Nc6 14. Bf4 Qd8 15. Rad1 Qa5 16. b4 Qb6+ 17. Kh1 e5 18. Bxe5 Nxe5 19. Qxe5 Bg4 20. Nf5 Bxf5 21. Qxf5 Rad8 22. Rd7 Rxd7 23. Qxd7 Qa6 24. Rf3 Qh6 25. h3 Qa6 26. Qd5 b5 27. e5 h6 28. Kh2 Qb6 29. c4 bxc4 30. Qxc4 Qb8 31. Qd5 Qc7 32. b5 Rd8 33. Rxf7 Rxd5 34. Rxc7 Rxb5 35. e6 Re5 36. e7 a5 37. Kg3 Kf7 38. Kf4 Rxe7 39. Rxe7+ Kxe7 40. Ke5 a4 41. Kd5 h5 42. Kc5 h4 43. Kb5 Kd6 44. Kxa4 Kc5 45. Kb3 Kb5 46. Kc3 Ka4 47. Kd4 Kxa3 48. Ke4 Kb4 49. Kf5 Kc4 50. Kg6 Kd4 51. Kxg7 Ke5 52. Kg6 Kf4 53. Kh5 Kg3 54. Kg5 Kxg2 55. Kxh4 Kf3 56. Kg5 Ke4 57. h4 Ke5 58. h5 Ke6 59. Kg6 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Dedek"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "64"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. Nc3 b6 8. Bf4 Bd6 9. Bg5 Bb7 10. Qe2 Be7 11. 0-0-0 Nd5 12. Nxd5 Bxg5+ 13. Ne3 0-0 14. h4 Bf6 15. Ng5 h6 16. Ne4 Bxd4 17. c3 Bxe3+ 18. Qxe3 Qe7 19. Bc2 Rad8 20. Rh3 Nf6 21. Nd2 Ng4 22. Qg3 f5 23. Bb3 Qd6 24. f4 Qc6 25. Re1 Rfe8 26. Nf3 b5 27. a3 a5 28. Kb1 Qb6 29. Nd4 Bd5 30. Bxd5 exd5 31. Nxf5 Rxe1+ 32. Qxe1 Qg6 0-1

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Holas, Josef"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "114"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. f4 fxe5 10. fxe5 Nxd4 11. 0-0 Qh4 12. Kh1 Nxe5 13. Qa4+ Bd7 14. Qxd4 Qxd4 15. Nxd4 Nxd3 16. N2f3 0-0-0 17. Ng5 Re8 18. Rf3 Nxc1 19. Rxc1+ Kb8 20. Re3 Bd6 21. Ngxe6 Bxe6 22. Rxe6 Rxe6 23. Nxe6 Be5 24. b3 Re8 25. Nc5 Bd6 26. Nd3 Re2 27. Ra1 Rd2 28. Ne1 Kc7 29. Nf3 Rb2 30. g3 h6 31. Rd1 Kc6 32. Nd4+ Kc5 33. Ne6+ Kc6 34. Nxg7 Rxa2 35. Nf5 Bf8 36. Nd4+ Kd6 37. Nb5+ Kc5 38. Nc3 Ra3 39. Rxd5+ Kb4 40. Nb5 Ra1+ 41. Kg2 Kxb3 42. Rd7 Ra2+ 43. Kh1 a5 44. Rxb7 Kc4 45. g4 a4 46. h4 a3 47. Nxa3+ Rxa3 48. g5 Rh3+ 49. Kg2 Rxh4 50. gxh6 Bxh6 51. Rd7 Be3 52. Kg3 Rf4 53. Rd8 Rf7 54. Kg4 Bc5 55. Kg5 Be3+ 56. Kg6 Rf3 57. Re8 Bc5 1/2-1/2

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Jelinek, A."]
[Result "1-0"]
[ECO "B06"]
[PlyCount "43"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nf6 5. Nbd2 Ng4 6. Bg5 f5 7. c3 h6 8. Be3 e5 9. dxe5 Nxe3 10. fxe3 dxe5 11. Qb3 Qf6 12. exf5 gxf5 13. 0-0-0 Qb6 14. Bb5+ Bd7 15. a4 Nc6 16. Nc4 Be6 17. Nxb6 Bxb3 18. Nxa8 Bxd1 19. Rxd1 Ke7 20. Nxc7 e4 21. Nh4 Ne5 22. Nxf5+ 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Kulis"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "30"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Nc3 Nxa4 8. Nxe5 Nxe5 9. Rxe5+ Be7 10. Nd5 0-0 11. Nxe7+ Kh8 12. Qh5 h6 13. d4 Kh7 14. Qf5+ g6 15. Qh3 h5 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Pachman, Vladimir"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "76"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Be7 9. Bd3 dxc4 10. Nxc4 Qc7 11. 0-0 0-0 12. Rc1 Bd7 13. e4 Rfd8 14. e5 Nd5 15. Ne4 Be8 16. Ne3 Qb6 17. Nc4 Qc7 18. Ned6 f5 19. Qb3 b5 20. Nxe8 Rxe8 21. Ne3 Qb6 22. Nxd5 cxd5 23. Bxb5 Red8 24. Bc6 Qxb3 25. axb3 Rab8 26. Ba4 Rb7 27. Rfd1 Kf7 28. Kf1 Rdb8 29. Ke2 Bd8 30. f4 Ba5 31. h3 Rc7 32. Rxc7+ Bxc7 33. g4 g6 34. Ke3 Bb6 35. Rc1 Rb7 36. b4 Bxd4+ 37. Kxd4 Rxb4+ 38. Ke3 Rxa4 1/2-1/2

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Pachman, Vladimir"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "36"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 c6 6. Qe2+ Qe7 7. Bg5 Qxe2+ 8. Nxe2 Ne7 9. Bf4 Bxf4 10. Nxf4 Bf5 11. Bxf5 Nxf5 12. Nd2 Nd7 13. 0-0 0-0 14. Rfe1 Rfe8 15. Kf1 Kf8 16. Rxe8+ Rxe8 17. Re1 Rxe1+ 18. Kxe1 Ke8 1/2-1/2

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Koska, Josef"]
[Black "Slaby"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "39"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. c3 cxd4 7. Nxd4 Nxd4 8. cxd4 Bd6 9. Nf3 Ne7 10. Bd3 0-0 11. Qc2 Ng6 12. h4 Re8+ 13. Kf1 Nf8 14. Ng5 h6 15. Bh7+ Nxh7 16. Qxh7+ Kf8 17. Qh8+ Ke7 18. Qxg7 Rf8 19. Qxh6 Rh8 20. Nh7 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Kossler"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C56"]
[PlyCount "48"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Bd6 13. Bg5 Rhf8 14. Bh4 Qh5 15. Bg3 Bxg3 16. hxg3 Rfe8 17. Qe2 Qf7 18. Ng5 Rxe6 19. Qxe6+ Qxe6 20. Nxe6 Re8 21. Nf4 Nb4 22. c3 dxc3 23. bxc3 Na6 24. Kf1 Nc5 1/2-1/2

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Pausar"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C22"]
[PlyCount "145"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 d6 7. 0-0-0 0-0 8. Bc4 Be6 9. Bxe6 fxe6 10. f4 Qe8 11. Nh3 Bc5 12. Qg3 Nd4 13. Qh4 Qg6 14. Qg5 Qxg5 15. Nxg5 h6 16. Nh3 Ng4 17. Rde1 b5 18. Ne2 Nc6 19. Ng3 b4 20. f5 e5 21. Ref1 Nb8 22. Nh5 Nd7 23. Rf3 Ndf6 24. Nxf6+ Nxf6 25. g4 Nxe4 26. g5 Nxd2 27. Kxd2 hxg5 28. Nxg5 Rae8 29. Rhf1 e4 30. Rg3 Rf6 31. Ke2 Re5 32. Ne6 Rexf5 33. Rxg7+ Kh8 34. Rxf5 Rxf5 35. Rxc7 Bg1 36. h4 a5 37. Ng5 Rf2+ 38. Kd1 Rf1+ 39. Ke2 Rf2+ 40. Kd1 Rh2 41. Rd7 Rxh4 42. Rxd6 Kg7 43. Ke1 Be3 44. Ne6+ Kf6 45. Nf4+ Kf5 46. Ng2 Rh1+ 47. Ke2 Ke5 48. Rd7 Bc5 49. c3 bxc3 50. bxc3 Rc1 51. Kd2 Ra1 52. Rc7 Rxa2+ 53. Kd1 Bb6 54. Rg7 Kd5 55. Nf4+ Kc4 56. Ne2 Be3 57. Re7 Rd2+ 58. Ke1 Kd3 59. Rd7+ Kc2 60. Nd4+ Kxc3 61. Nb5+ Kb4 62. Rb7 Bh6 63. Nd6+ Ka4 64. Nxe4 Rc2 65. Kd1 Rc4 66. Re7 Bf4 67. Ke2 Ka3 68. Kd3 Rc7 69. Rxc7 Bxc7 70. Kc4 Bb6 71. Kb5 Kb2 72. Ka4 Kc2 73. Nc5 1/2-1/2

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Podgorny, Jiri"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "57"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. cxd5 exd5 8. Qc2 c6 9. Bd3 Re8 10. 0-0 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 Nf6 15. Rae1 Bf5 16. f3 Bh7 17. f4 Bf5 18. Nb3 Be6 19. Nxe4 Ng4 20. Nf2 Nxf2 21. Rxf2 Qb4 22. Qc3 Qa4 23. Nc5 Qb5 24. b3 f5 25. a4 Qb6 26. e4 fxe4 27. Nxe6 Rxe6 28. Qc4 c5 29. Rxe4 1-0

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Rybnicek"]
[Black "Koska, Josef"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "96"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 Nf5 7. Qb3 Nd6 8. d3 a6 9. a4 Be7 10. Nd2 Bf5 11. Ngf3 Nd7 12. d4 Bf6 13. dxe5 Bxe5 14. 0-0 0-0 15. Nxe5 Nxe5 16. Be2 Re8 17. Nf3 Ng4 18. Nd4 Bd7 19. Bf4 Qf6 20. Bxd6 Qxd6 21. Bxg4 Bxg4 22. Rfe1 c5 23. Nc2 Red8 24. Ne3 Bd7 25. c4 f5 26. a5 Rf8 27. Qb6 Qxb6 28. axb6 Rf6 29. d6 Rxd6 30. Red1 Rd4 31. Rxd4 cxd4 32. Nd5 Re8 33. b4 Ba4 34. f3 Bb3 35. Nc7 Re7 36. Rxa6 Bxc4 37. Ra8+ Kf7 38. Rd8 Re1+ 39. Kf2 Re2+ 40. Kg3 d3 41. Nd5 g5 42. f4 d2 43. Ne3 Rxe3+ 44. Kf2 Rc3 45. Rxd2 Be6 46. fxg5 Rc6 47. Rd4 Rxb6 48. h4 Rc6 0-1

[Event "CSR-chB 18th"]
[Site "Brno"]
[Date "1944.??.??"]
[Round "?"]
[White "Svacina"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "83"]
[EventDate "1944.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "CSR"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. 0-0 b5 7. Bb3 d6 8. Nd5 Na5 9. Nxe7 Qxe7 10. d4 Nxb3 11. axb3 c5 12. dxe5 dxe5 13. Bg5 Bb7 14. Qe2 0-0 15. Rfd1 Rfd8 16. Ne1 h6 17. Bxf6 Qxf6 18. f3 Qe7 19. Qe3 Rac8 20. Nd3 c4 21. bxc4 bxc4 22. Nf2 Qb4 23. b3 cxb3 24. Qxb3 Rxd1+ 25. Rxd1 Qxb3 26. cxb3 Rc3 27. Rd3 Rc2 28. Rd8+ Kh7 29. Nd3 Rd2 30. Rb8 Bxe4 31. Nxe5 Bd5 32. Rd8 Rd1+ 33. Kf2 Bxf3 34. Rxd1 Bxd1 35. b4 Bb3 36. Ke3 Bd5 37. g3 f5 38. Kd4 Bg2 39. Nd3 Bf1 40. Nc5 g6 41. Ke5 Kg7 42. h4 1/2-1/2

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "3"]
[White "Barta, Jan"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "113"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. Bd3 Nd7 9. Qd2 b6 10. 0-0-0 Bb7 11. Kb1 c5 12. h4 cxd4 13. g4 Nc5 14. Qe2 Nxe4 15. Bxe4 Bxe4 16. Qxe4 Qd5 17. Qxd5 exd5 18. g5 Be7 19. Nxd4 Bc5 20. f4 Rfe8 21. Nb5 Re4 22. Nc7 Rd8 23. Nxd5 Kf8 24. b3 b5 25. Rhf1 b4 26. h5 Rd4 27. Rxd4 Bxd4 28. Nxb4 Bc3 29. Nd3 h6 30. gxh6 gxh6 31. a3 Rd5 32. Rh1 a5 33. Ka2 Rd4 34. Rh3 Bd2 35. Rf3 Kg7 36. Kb2 Kf6 37. c3 Re4 38. Kc2 Re2 39. Kd1 Rh2 40. Nf2 Rxf2 41. Rxf2 Bxc3 42. Kc2 Bd4 43. Rf1 Kf5 44. b4 axb4 45. axb4 Kg4 46. Kd3 Bb6 47. Ke4 f5+ 48. Ke5 Bc7+ 49. Kf6 Bxf4 50. Rg1+ Kxh5 51. Kxf5 Bg5 52. b5 Kh4 53. Rg4+ Kh5 54. b6 Bd8 55. Rg1 Kh4 56. Rh1+ Kg3 57. Rxh6 1-0

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "7"]
[White "Ehrlich, L."]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "81"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 g6 7. Bc4 Bg7 8. 0-0 0-0 9. Rb1 Nc6 10. h3 Qc7 11. Qe2 b6 12. Rd1 Bb7 13. d4 cxd4 14. cxd4 Rac8 15. Bb5 Rfd8 16. Be3 Qb8 17. d5 Ne5 18. Nd4 Qa8 19. f4 a6 20. fxe5 axb5 21. e6 f5 22. Nxb5 Ba6 23. Bxb6 Rd6 24. Qf2 Bxb5 25. Rxb5 Qa4 26. Rbb1 Rc2 27. Qe3 Qxe4 28. Qxe4 fxe4 29. Be3 Rc8 30. Rb5 h6 31. a4 Ra6 32. a5 Rd8 33. Bb6 Re8 34. Kf2 Be5 35. Ke3 Rc8 36. Kxe4 Bd6 37. Rf1 Rc2 38. Rf7 Ra8 39. Bd4 Rxg2 40. Rg7+ Kf8 41. Rh7 1-0

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "9"]
[White "Herman, P."]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "43"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 h6 7. Bh4 0-0 8. Qc2 c5 9. cxd5 exd5 10. dxc5 Nxc5 11. Be2 Nfe4 12. 0-0 Nxc3 13. bxc3 Ne4 14. Bxe7 Qxe7 15. c4 dxc4 16. Bxc4 Bg4 17. Nd4 Rac8 18. Qd3 Nd6 19. Bb3 Rc7 20. h3 Bh5 21. Rac1 Bg6 22. Qxg6 1-0

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "5"]
[White "Hostinsky, Zdenek"]
[Black "Koska, Josef"]
[Result "1/2-1/2"]
[ECO "B39"]
[PlyCount "110"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 Bg7 7. Be3 Ng4 8. Nxc6 Nxe3 9. Nxd8 Nxd1 10. Kxd1 Kxd8 11. Kc2 b6 12. Bd3 Ba6 13. Nb5 Bb7 14. Rhe1 a6 15. Nc3 Rc8 16. a4 Bd4 17. a5 bxa5 18. f3 Bxc3 19. Kxc3 Rc5 20. b4 axb4+ 21. Kxb4 d6 22. Ra5 Rc6 23. c5 dxc5+ 24. Rxc5 Rxc5 25. Kxc5 Kc7 26. Ra1 Rd8 27. Bc4 e6 28. e5 Rd2 29. Ra2 Rxa2 30. Bxa2 Bc6 31. Bc4 a5 32. f4 Bxg2 33. Bb5 Be4 34. Be8 Kd8 35. Ba4 Ke7 36. Kb6 f6 37. Kxa5 fxe5 38. fxe5 g5 39. Kb6 h5 40. Kc5 Kf7 41. Bb3 g4 42. Kd4 Bf3 43. Ke3 Bd5 44. Bc2 h4 45. Kf2 Kg7 46. Bd1 Kg6 47. Bxg4 Kg5 48. Bd1 Kf4 49. Bc2 Be4 50. Bd1 Bf5 51. Bb3 Ke4 52. Bc4 Kd4 53. Bb3 Bg4 54. Ba2 Kxe5 55. Ke3 Bd1 1/2-1/2

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "1"]
[White "Koblencs, Aleksandrs"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "69"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 f5 11. Qd2 Be6 12. Nd5 Rc8 13. b4 Bxd5 14. cxd5 Nb8 15. Rc1 Rg8 16. g3 Rg4 17. Rxc8 Qxc8 18. Bh3 Rxb4 19. Bxf5 Qc5 20. 0-0 Rd4 21. Qb2 Rb4 22. Qc1 h5 23. Nc2 Ra4 24. Qb2 Qxd5 25. Ne3 Qb5 26. Qc2 Nc6 27. Nd5 Qc4 28. Qb1 b5 29. Nb6 Qxa2 30. Qc1 Rc4 31. Qg5 Ne7 32. Nxc4 bxc4 33. Rb1 Nxf5 34. Rb8+ Kd7 35. Qxf5+ 1-0

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "6"]
[White "Koska, Josef"]
[Black "Florian, Jaromir"]
[Result "0-1"]
[ECO "D26"]
[PlyCount "81"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c4 dxc4 4. e3 e6 5. Bxc4 Nf6 6. 0-0 Nbd7 7. Nc3 Be7 8. a3 cxd4 9. Nxd4 0-0 10. Be2 Nc5 11. b4 Nce4 12. Nxe4 Nxe4 13. Qc2 f5 14. Bc4 Qb6 15. Bb2 Kh8 16. Rad1 Nf6 17. Nf3 Bd6 18. Qb3 Bd7 19. Bd4 Qc7 20. Bxe6 Bb5 21. Rc1 Qe7 22. Bc4 Bc6 23. Bxf6 Rxf6 24. Bd5 Bb5 25. Rfe1 Rh6 26. Qc3 Rd8 27. e4 Bf4 28. Qc5 Qd7 29. Rcd1 Rd6 30. Ra1 Rh6 31. g3 b6 32. Qc3 Bd6 33. Ne5 Bxe5 34. Qxe5 f4 35. Qg5 Rf8 36. h4 Rg6 37. Qe5 Qh3 38. Be6 Rxe6 39. Qxb5 fxg3 40. fxg3 Qxg3+ 41. Kh1 0-1

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "8"]
[White "Koska, Josef"]
[Black "Haida, August Konrad"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "63"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 b6 4. Nf3 Bb7 5. Nbd2 c5 6. 0-0 Be7 7. b3 0-0 8. Bb2 Nc6 9. c4 Qc7 10. Rc1 Ne8 11. Bb1 f5 12. e4 cxd4 13. Nxd4 Nxd4 14. Bxd4 e5 15. Bb2 f4 16. Qh5 d6 17. Qe2 Bc8 18. b4 Qb7 19. Bc2 Be6 20. Bb3 Nf6 21. c5 Bxb3 22. c6 Qc8 23. axb3 Ne8 24. b5 Nc7 25. Ra1 a6 26. bxa6 b5 27. a7 Qe8 28. Rfc1 Rf6 29. Bc3 Bd8 30. Ba5 Ne6 31. Qg4 Rh6 32. c7 1-0

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "10"]
[White "Koska, Josef"]
[Black "May, Desider"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "90"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 e6 5. Nd2 Nbd7 6. Ngf3 Be7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 b6 10. Qe2 Bb7 11. Rd1 Qc7 12. Neg5 Bd5 13. c4 Bxf3 14. Nxf3 Rfe8 15. b3 Bd6 16. dxc5 bxc5 17. Bb2 e5 18. Bf5 e4 19. Ng5 Bxh2+ 20. Kh1 Be5 21. Nxh7 Bxb2 22. Qxb2 Re5 23. Nxf6+ Nxf6 24. Bh3 Rae8 25. Qd2 e3 26. fxe3 Rxe3 27. Re1 Qg3 28. Rxe3 Rxe3 29. Rf1 Re8 30. Qf4 Qxf4 31. Rxf4 Re2 32. a3 Re3 33. Rf3 Rxf3 34. gxf3 Kf8 35. b4 Ke7 36. Kg1 Kd6 37. Kf2 Ng8 38. Ke3 Ne7 39. b5 Kc7 40. Ke4 f6 41. Bf1 Kb6 42. Bd3 Ka5 43. Bc2 Kb6 44. Ke3 Kc7 45. Ke4 Kb7 1/2-1/2

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "2"]
[White "Koska, Josef"]
[Black "Steiner, Lajos"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "90"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nbd2 g6 4. e3 Bg7 5. Bd3 0-0 6. c3 Nc6 7. e4 e5 8. dxe5 Ng4 9. 0-0 Ncxe5 10. Bc2 Re8 11. exd5 Qxd5 12. h3 Nf6 13. Nxe5 Qxe5 14. Nf3 Qa5 15. Be3 Be6 16. Bb3 Rad8 17. Qc1 Qh5 18. Ng5 Bxb3 19. axb3 Nd5 20. Bd2 a6 21. Qd1 Qe2 22. Re1 Qd3 23. Rxe8+ Rxe8 24. Qf3 Qxf3 25. Nxf3 c6 26. Kf1 Kf8 27. Rd1 Rd8 28. Ke1 Nc7 29. Be3 Rxd1+ 30. Kxd1 Nd5 31. Ke2 Ke7 32. Ne1 Kd6 33. Nd3 Nxe3 34. Kxe3 f5 35. f4 a5 36. Ne1 Kd5 37. Kd3 b5 38. Nc2 a4 39. Ne3+ Kc5 40. bxa4 bxa4 41. g4 fxg4 42. hxg4 Bh6 43. g5 Bg7 44. Ng4 Kd5 45. Ne3+ Kc5 1/2-1/2

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "4"]
[White "Koska, Josef"]
[Black "Urban, Bohumil"]
[Result "1/2-1/2"]
[ECO "D66"]
[PlyCount "60"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 h6 6. Bh4 b6 7. cxd5 Nxd5 8. Bxe7 Nxe7 9. e3 Bb7 10. Bd3 Nd7 11. Rc1 c6 12. 0-0 0-0 13. Qe2 c5 14. Rfd1 Bxf3 15. Qxf3 cxd4 16. exd4 Nf6 17. Ba6 Ned5 18. Nxd5 Qxd5 19. Qxd5 Nxd5 20. a3 Rad8 21. g3 Rd6 22. Rc2 Rfd8 23. Kf1 Nf6 24. Rc7 R8d7 25. Rxd7 Rxd7 26. Ke2 Kf8 27. f3 Ke7 28. Bc4 Nd5 29. Rc1 Rc7 30. Rc2 Kd6 1/2-1/2

[Event "Brno"]
[Site "Brno"]
[Date "1937.??.??"]
[Round "11"]
[White "Molisch, J."]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "D62"]
[PlyCount "117"]
[EventDate "1937.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nxc5 10. Rd1 Qa5 11. Nd4 Nce4 12. Nb3 Qc7 13. Bf4 Bd6 14. Bxd6 Nxd6 15. Bd3 Be6 16. Ne4 Qxc2 17. Nxf6+ gxf6 18. Bxc2 Nc4 19. Nd4 Rac8 20. b3 Nd6 21. Kd2 a6 22. Bd3 h6 23. Rc1 Rfd8 24. f3 Kf8 25. Rxc8 Rxc8 26. Rc1 Rxc1 27. Kxc1 Ke7 28. g4 Nc8 29. Kd2 Kd6 30. Kc3 Ne7 31. b4 Bc8 32. a4 Bd7 33. Bc2 Ng6 34. Bxg6 fxg6 35. a5 Bc8 36. Kd2 Bd7 37. Nb3 Kc6 38. Kc3 b6 39. Nd4+ Kc7 40. axb6+ Kxb6 41. Ne2 Kc6 42. Nf4 Be8 43. Kd4 Bf7 44. Nd3 Kb5 45. Kc3 a5 46. bxa5 Kxa5 47. Kd4 Kb5 48. h4 Kc6 49. g5 hxg5 50. hxg5 Kd6 51. gxf6 Ke6 52. Ne5 Kxf6 53. Nxf7 Kxf7 54. Kxd5 Kf6 55. Kd6 Kf5 56. e4+ Kf4 57. e5 g5 58. e6 Kxf3 59. e7 1-0

[Event "Kautsky Memorial-12 1935/36"]
[Site "Prague"]
[Date "1935.??.??"]
[Round "?"]
[White "Skalicka, Carlos"]
[Black "Koska, Josef"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "81"]
[EventDate "1935.12.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "CZE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. f4 d5 2. e3 g6 3. Nf3 Bg7 4. Nc3 c5 5. Be2 Nc6 6. 0-0 Nh6 7. Bb5 0-0 8. d3 d4 9. Ne4 dxe3 10. c3 Qb6 11. Ba4 c4 12. d4 e5 13. fxe5 Nxe5 14. Nxe5 Bxe5 15. Bxe3 Bxh2+ 16. Kxh2 Ng4+ 17. Qxg4 Bxg4 18. Nf6+ Kg7 19. Nxg4 Rfd8 20. Bh6+ Kg8 21. Ne5 f6 22. Nxc4 Qc7+ 23. Bf4 Qg7 24. Bb3 Kh8 25. Nd6 Rd7 26. Rae1 g5 27. Bg3 Rf8 28. Kg1 Qg6 29. Be6 Re7 30. d5 h5 31. Nf5 Ree8 32. Bd6 h4 33. Bc5 g4 34. Bxf8 Rxf8 35. Nxh4 Qg5 36. Nf5 Qd2 37. Re4 Re8 38. Rxg4 Kh7 39. Rf3 Qe1+ 40. Kh2 Qe5+ 41. Rfg3 1-0

