[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.05.04"]
[Round "9"]
[White "Tretina, Zdenek"]
[Black "Bebek, Ivan"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1740"]
[BlackElo "1375"]
[PlyCount "69"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. e3 Be7 6. Be2 0-0 7. 0-0 Ne4 8. Nxe4 Bxe4 9. a3 Bb7 10. b4 d6 11. Bb2 c5 12. dxc5 dxc5 13. Qxd8 Rxd8 14. bxc5 Bxc5 15. Rfd1 Nc6 16. Nd4 Ne7 17. h3 Rac8 18. Kf1 Ng6 19. Rac1 a6 20. Nf3 Re8 21. Rd7 Bc6 22. Ra7 a5 23. Nd4 Ba4 24. Nb5 Red8 25. Ke1 Ne7 26. Bf3 Nc6 27. Rb7 Ne7 28. Nc3 Bb3 29. Ne4 Ba4 30. Nxc5 bxc5 31. Rxe7 Rb8 32. Bc3 Kf8 33. Rc7 Rb3 34. Bxa5 Rdb8 35. Bc6 1-0

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.05.03"]
[Round "8"]
[White "Plesnik, Miroslav"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1877"]
[BlackElo "1740"]
[PlyCount "71"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Bxf6 Nxf6 8. Bd3 dxc4 9. Bxc4 Ne4 10. Qb3 Bb4 11. Rc1 0-0 12. 0-0 Nxc3 13. bxc3 Be7 14. Bd3 Qa3 15. Qb1 g6 16. h4 Bf6 17. h5 Bg7 18. hxg6 fxg6 19. Bc4 b6 20. Qe4 Qd6 21. Ng5 Re8 22. Qh4 h6 23. Ne4 Qe7 24. Qg3 Kh7 25. Bd3 Rf8 26. f4 a5 27. Nd2 Qf7 28. Nf3 Ba6 29. c4 b5 30. Nh4 Kg8 31. Nxg6 Rfc8 32. Ne5 Qe8 33. f5 exf5 34. Bxf5 Rc7 35. Ng4 Re7 36. Nf6+ 1-0

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.05.02"]
[Round "7"]
[White "Lavrisin, Jan"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1620"]
[BlackElo "1740"]
[PlyCount "198"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Nc3 0-0 8. cxd5 exd5 9. Ne5 c6 10. a3 Nbd7 11. Nxd7 Qxd7 12. Bf4 h6 13. Rc1 Rac8 14. Qd2 Rfe8 15. Rfe1 Bd6 16. Bxd6 Qxd6 17. e3 Re7 18. Ne2 Ne4 19. Qc2 c5 20. dxc5 Rxc5 21. Qd3 Rxc1 22. Rxc1 Nc5 23. Qd1 Rd7 24. Nd4 a6 25. b4 Ne6 26. Bh3 Rd8 27. Bg2 Qe5 28. Nc6 Bxc6 29. Rxc6 a5 30. Rxb6 axb4 31. Rxb4 d4 32. exd4 Nxd4 33. Qb1 Ne2+ 34. Kh1 Nc3 35. Qg1 Rd1 36. Bf1 g6 37. Qg2 Kg7 38. h4 Nb1 39. Kh2 Nxa3 40. Re4 Qd5 41. Be2 Rd2 42. Re3 Qa2 43. Qf3 Nc4 44. Re7 Nd6 45. Qc3+ Kf8 46. Qe5 Qd5 47. Qxd5 Rxd5 48. Re3 Rd4 49. Rd3 Nf5 50. Kg2 Rxd3 51. Bxd3 Nd6 52. g4 Kg7 53. Kg3 f6 54. f4 Nf7 55. Bc4 Nd6 56. Bd3 Nb7 57. f5 Nc5 58. Bc2 g5 59. h5 Kf7 60. Kf3 Ke7 61. Ke3 Kd6 62. Kd4 Nd7 63. Bd1 Ne5 64. Be2 Nc6+ 65. Ke4 Kc5 66. Bf1 Nd4 67. Bg2 Nb3 68. Kd3 Na5 69. Kc3 Nc4 70. Kd3 Ne5+ 71. Ke4 Nxg4 72. Kf3 Ne5+ 73. Kg3 Kd4 74. Bf1 Ke3 75. Bb5 Ke4 76. Ba4 Kxf5 77. Bc2+ Ke6 78. Bb3+ Kd6 79. Bc2 Kd5 80. Bf5 Kd4 81. Bg6 Ke3 82. Bf5 Nf7 83. Kg4 Kd4 84. Bg6 Nd6 85. Bf5 Ke5 86. Bg6 f5+ 87. Kg3 Kf6 88. Kf3 Nf7 89. Bh7 Ke5 90. Bg6 Nd8 91. Be8 Ne6 92. Bf7 f4 93. Bg6 Nf8 94. Bf7 Kf5 95. Kf2 g4 96. Be8 Kg5 97. Bf7 Nh7 98. Be6 Nf6 99. Bxg4 Kxg4 0-1

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.05.01"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Zdrazila, Jaromir"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1740"]
[BlackElo "1547"]
[PlyCount "127"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. Nf3 Nc6 5. e3 Nf6 6. Bd3 Be7 7. 0-0 0-0 8. a4 Nb4 9. Be2 a5 10. b3 c5 11. Na2 Nxa2 12. Rxa2 b6 13. Ne5 Bb7 14. Bd3 Ne4 15. Qc2 f5 16. f3 Nf6 17. Re1 Qc8 18. cxd5 Bxd5 19. Nc4 Qb7 20. Ba3 Rac8 21. dxc5 Bxc5 22. Bxc5 Rxc5 23. Qb1 Rb8 24. Rae2 Qc7 25. h3 g6 26. e4 Bc6 27. exf5 exf5 28. Qb2 Nd5 29. Ne5 Nf4 30. Bc4+ Bd5 31. Bxd5+ Nxd5 32. Nc4 Qg7 33. Qxg7+ Kxg7 34. Re6 b5 35. axb5 Rcxb5 36. Ra6 Rxb3 37. Rxa5 Rb1 38. Rxb1 Rxb1+ 39. Kh2 Rd1 40. Ra2 Nf4 41. h4 Rd4 42. g3 Nh5 43. Rc2 Kf6 44. Kg2 g5 45. hxg5+ Kxg5 46. Kf2 f4 47. g4 Ng3 48. Nd2 Ra4 49. Nf1 Nxf1 50. Kxf1 h6 51. Rh2 Kg6 52. Ke2 Ra5 53. Kd3 h5 54. Rxh5 Rxh5 55. gxh5+ Kxh5 56. Ke4 Kg6 57. Kxf4 Kf6 58. Kg4 Kg6 59. f4 Kf6 60. f5 Kg7 61. Kg5 Kf7 62. f6 Ke8 63. Kg6 Kf8 64. f7 1-0

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.04.30"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Pisa, Lubomir"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "1740"]
[BlackElo "1557"]
[PlyCount "93"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 c6 6. Bd3 dxc4 7. Bxc4 Be7 8. 0-0 0-0 9. Re1 Nd5 10. Bd2 N7b6 11. Bb3 Bd7 12. Rc1 Rc8 13. e4 Nxc3 14. Bxc3 c5 15. Ne5 c4 16. Nxd7 Qxd7 17. Bc2 Bg5 18. Rb1 Bf6 19. e5 Be7 20. Re3 Nd5 21. Bxh7+ Kxh7 22. Qh5+ Kg8 23. Rh3 f6 24. g3 fxe5 25. Qxe5 Rf5 26. Qe2 Nxc3 27. bxc3 b5 28. Rh5 Rcf8 29. Rxf5 Rxf5 30. g4 Rf8 31. Re1 Bh4 32. Rf1 Qd5 33. f3 Bg5 34. h3 Be7 35. Kg2 a5 36. Re1 Kh8 37. Qe5 Bf6 38. Qxe6 Qxe6 39. Rxe6 b4 40. cxb4 axb4 41. Rc6 c3 42. Rc4 Rb8 43. f4 Be7 44. d5 Ra8 45. Rc7 Rxa2+ 46. Kf3 c2 47. Ke3 1/2-1/2

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.04.29"]
[Round "4"]
[White "Sudolsky, Jan"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "1546"]
[BlackElo "1740"]
[PlyCount "59"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 c5 4. e3 Nc6 5. exd4 cxd4 6. Be2 e5 7. a3 a5 8. Nbd2 g6 9. Ne4 Bg7 10. c5 Bf8 11. Qc2 Qd5 12. Bg5 Be7 13. Bxe7 Kxe7 14. 0-0 Nf6 15. Nxf6 Kxf6 16. Nd2 Kg7 17. Bf3 Qd8 18. Nc4 Qc7 19. Nb6 Ra6 20. Nd5 Qd8 21. b4 axb4 22. axb4 Rxa1 23. Rxa1 Be6 24. b5 Bxd5 25. bxc6 bxc6 26. Bxd5 Qxd5 27. f3 Rb8 28. Rc1 Qb3 29. Qe2 Qa3 30. Qxe5+ 1/2-1/2

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.04.28"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Linart, Ludvik"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1740"]
[BlackElo "1609"]
[PlyCount "128"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 b6 5. Nc3 Bb7 6. Be2 Be7 7. a3 0-0 8. 0-0 d5 9. dxc5 bxc5 10. cxd5 exd5 11. Nh4 Re8 12. Bb5 Bc6 13. Qa4 Qc7 14. Nf5 Bf8 15. Rd1 g6 16. Ng3 Bxb5 17. Qxb5 Rd8 18. Qb3 Qc6 19. Qb5 a6 20. Qxc6 Nxc6 21. Kf1 Rd7 22. Nge2 Rad8 23. Ke1 Na5 24. Bd2 Nb3 25. Rab1 Bh6 26. f4 Ne4 27. Nxe4 dxe4 28. Bc3 Rxd1+ 29. Rxd1 Rd3 30. Rxd3 exd3 31. Ng3 f5 32. Kd1 Bg7 33. Bxg7 Kxg7 34. Nf1 a5 35. Nd2 Nxd2 36. Kxd2 c4 37. a4 Kf6 38. b3 cxb3 39. Kxd3 Ke6 40. Kc3 b2 41. Kxb2 Kd5 42. Kb3 h5 43. g3 Kc5 44. Kc3 Kd5 45. h3 Kc5 46. e4 fxe4 47. g4 hxg4 48. hxg4 Kd5 49. g5 e3 50. Kd3 e2 51. Kxe2 Ke4 52. Kd2 Kxf4 53. Kc3 Kxg5 54. Kc4 Kf4 55. Kb5 g5 56. Kxa5 g4 57. Kb6 g3 58. a5 g2 59. a6 g1Q+ 60. Kb7 Qb1+ 61. Ka8 Qe4+ 62. Kb8 Qb4+ 63. Ka8 Qc5 64. a7 Qc8# 0-1

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.04.27"]
[Round "2"]
[White "Tejkal, Jiri"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1942"]
[BlackElo "1740"]
[PlyCount "67"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 Bxg3 6. hxg3 h6 7. Bd3 Nbd7 8. c4 dxc4 9. Bxc4 a6 10. Nc3 b5 11. Bd3 Bb7 12. 0-0 0-0 13. Qe2 c5 14. Rfd1 c4 15. Bc2 Qc7 16. Rac1 Rac8 17. a3 Rfd8 18. e4 e5 19. Bb1 exd4 20. Nxd4 Nc5 21. Nf5 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. e5 Nh7 25. Nd6 Nf8 26. Qe3 Qc7 27. Nxb7 Nxb7 28. Qa7 Qxe5 29. Qxb7 Qe1+ 30. Kh2 Qxf2 31. Nd5 Qxb2 32. Ne7+ Kh8 33. Qc8 g6 34. Qxf8+ 1-0

[Event "Ostrava Seniors op"]
[Site "Ostrava"]
[Date "2014.04.26"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Jaros, Bohumil"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1740"]
[BlackElo "2000"]
[PlyCount "85"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 a6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 c5 10. dxc5 Nxc5 11. Be2 Qxd1+ 12. Bxd1 Nd3+ 13. Ke2 Nxc1+ 14. Rxc1 Bd6 15. h3 Rc8 16. Re1 Ke7 17. Bb3 b4 18. axb4 Bxb4 19. Red1 Rc7 20. Na2 Ba5 21. Rxc7+ Bxc7 22. g3 Nd5 23. Nd4 Rb8 24. Rc1 Kd6 25. Bc4 Bb6 26. b3 g6 27. Nc3 Nxc3+ 28. Rxc3 Rc8 29. Rd3 Ke7 30. Nf3 f6 31. Rd2 Ba5 32. Ra2 Bb4 33. Nd4 e5 34. Nc2 Bd6 35. Na3 f5 36. Nb1 Bb4 37. Ra4 a5 38. Ra2 Rc5 39. Nd2 Bc6 40. f3 a4 41. e4 Bxd2 42. Kxd2 axb3 43. Bxb3 1/2-1/2

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.17"]
[Round "9"]
[White "Bata, Jiri"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "1799"]
[PlyCount "84"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 d6 4. Nxd4 Nf6 5. Bd3 e6 6. 0-0 Be7 7. Kh1 a6 8. f4 Nbd7 9. Nb3 b5 10. N1d2 Bb7 11. Qe1 Nc5 12. Nxc5 dxc5 13. e5 Nd5 14. a3 0-0 15. c4 Nxf4 16. Bxh7+ Kxh7 17. Rxf4 Qd3 18. Qf2 Kg8 19. Rg4 Rad8 20. cxb5 axb5 21. h3 c4 22. Nf3 Qd1+ 23. Kh2 Bxf3 24. gxf3 Rd3 25. Bh6 Qxf3 26. Qxf3 Rxf3 27. Rg2 Rd8 28. Bxg7 Rdd3 29. h4 Kh7 30. Re1 Bc5 31. Rg4 Rd2+ 32. Rg2 Rff2 33. Reg1 Rfe2 34. Rxe2 Bxg1+ 35. Kxg1 Rxe2 36. Bf6 Rxb2 37. Kf1 Ra2 38. Ke1 Rxa3 39. Kd2 Kg6 40. Bg5 Kh5 41. Kc2 Rh3 42. Bd2 Rh2 0-1

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.16"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Serakova, Tatana"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1799"]
[PlyCount "120"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Nf3 c6 5. e3 e6 6. h3 dxc4 7. Bxc4 Bb4 8. Qb3 Bxc3+ 9. bxc3 b5 10. Be2 0-0 11. 0-0 Qc7 12. c4 a6 13. Bb2 Nbd7 14. Rfc1 Qb7 15. cxb5 cxb5 16. Bc3 Nd5 17. Ba5 Rfc8 18. Nd2 Rxc1+ 19. Rxc1 Rc8 20. Rxc8+ Qxc8 21. Bf3 Qc2 22. Bxd5 exd5 23. Qxd5 h6 24. Qa8+ Kh7 25. Qxa6 Bd3 26. Qd6 Qxa2 27. Bb4 Nf6 28. Kh2 Nd5 29. Nf3 Nxb4 30. Qxb4 Qxf2 31. Qd2 Qxd2 32. Nxd2 b4 33. Kg3 f5 34. Kf4 Bc2 35. Nc4 Be4 36. g4 g5+ 37. Ke5 Kg6 38. d5 b3 39. d6 Bc6 40. gxf5+ Kf7 41. Kd4 Kf6 42. e4 h5 43. Nd2 b2 44. Kc3 b1Q 45. Nxb1 Bxe4 46. Nd2 Bxf5 47. h4 g4 48. Kd4 Ke6 49. Kc5 Kd7 50. Kd5 g3 51. Nf3 Bg4 52. Ng1 g2 53. Ke5 Bd1 54. Kd5 Bb3+ 55. Ke5 Bd1 56. Kf4 Kxd6 57. Kg3 Ke5 58. Kxg2 Kf4 59. Nh3+ Kg4 60. Nf2+ Kxh4 1/2-1/2

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.15"]
[Round "7"]
[White "Potapova, Tatiana"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1637"]
[BlackElo "1799"]
[PlyCount "141"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. Nf3 Nf6 4. g3 Nc6 5. Bg2 Bg4 6. Nbd2 Nd4 7. c3 Nxf3+ 8. Nxf3 a6 9. 0-0 g6 10. Qc2 Qd7 11. Re1 Bxf3 12. Bxf3 Bg7 13. d4 cxd4 14. cxd4 Rc8 15. Qd3 Qc7 16. Bd2 0-0 17. Rac1 Qb8 18. Qb3 Rxc1 19. Rxc1 Rc8 20. Re1 b5 21. e5 dxe5 22. dxe5 Ne8 23. Bf4 e6 24. Bg2 b4 25. Qa4 Rc5 26. Qxa6 Bxe5 27. Bxe5 Rxe5 28. Rc1 Qd8 29. Rc8 Re1+ 30. Bf1 Qd7 31. Qa8 Kf8 32. Rb8 Ke7 33. Rb7 Nc7 34. Qa5 Rc1 35. Qxb4+ Qd6 36. Qxd6+ Kxd6 37. Kg2 Kc6 38. Rb3 Nd5 39. Rb8 Kd7 40. a4 Rc8 41. Rb3 Kc7 42. Ra3 Nb4 43. Rc3+ Kd8 44. Rxc8+ Kxc8 45. Kf3 Kc7 46. Ke4 f6 47. Bc4 e5 48. Bg8 h6 49. Bf7 Nc6 50. Bxg6 Kd6 51. Kd3 Kc5 52. Kc3 Nb4 53. Bf7 Nc6 54. Kd3 f5 55. Kc3 Nb4 56. Be6 f4 57. Bf7 Nc6 58. gxf4 exf4 59. Bg8 Nb4 60. b3 Nc6 61. Kd3 Ne5+ 62. Ke4 Ng4 63. Kxf4 Nxf2 64. Bc4 Kb4 65. Kf5 Nd1 66. Kg6 Ne3 67. h3 Nxc4 68. bxc4 Kxc4 69. Kxh6 Kb4 70. Kg6 Kxa4 71. h4 1-0

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.14"]
[Round "5"]
[White "Svoboda, Ivo"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2005"]
[BlackElo "1799"]
[PlyCount "51"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 b5 9. 0-0-0 Bb7 10. g4 Nc6 11. h4 Nxd4 12. Bxd4 e5 13. Be3 h6 14. Rg1 Qa5 15. Kb1 0-0-0 16. g5 hxg5 17. hxg5 Ng8 18. Qf2 Kc7 19. f4 b4 20. Nd5+ Bxd5 21. Rxd5 Qa4 22. Bb6+ Kc6 23. Ra5 Qxa5 24. Bxa5 Rb8 25. Qa7 Nf6 26. Qc7# 1-0

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.14"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Sojka, Oldrich"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1799"]
[BlackElo "1614"]
[PlyCount "101"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e3 h6 7. Bh4 Be7 8. Bxc4 0-0 9. 0-0 Ne4 10. Bxe7 Qxe7 11. Nxe4 Bxe4 12. Nd2 Bg6 13. Qb3 c6 14. a4 b6 15. Nf3 Be4 16. Nd2 Bg6 17. Rfe1 Nd7 18. f3 Qf6 19. Ba6 Rab8 20. Bd3 Bxd3 21. Qxd3 Rfd8 22. Ne4 Qg6 23. Qa6 c5 24. Rad1 cxd4 25. exd4 Ra8 26. b3 Nf6 27. Nxf6+ Qxf6 28. Qd3 Rd5 29. Re4 Rad8 30. Qe3 Rc8 31. Rd3 Rc2 32. Rc3 Ra2 33. h3 Qg6 34. Rg4 Ra1+ 35. Rc1 Rxc1+ 36. Qxc1 Qf6 37. Qe3 h5 38. Re4 b5 39. f4 Qg6 40. Re5 Qb1+ 41. Kh2 Rxe5 42. dxe5 bxa4 43. bxa4 Qb6 44. Qxb6 axb6 45. Kg3 g6 46. Kf3 Kf8 47. g4 hxg4+ 48. hxg4 Ke7 49. Ke4 Kd7 50. Kd4 Kc6 51. Kc4 1/2-1/2

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.13"]
[Round "4"]
[White "Tretina, Zdenek"]
[Black "Gergela, Antonin"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1799"]
[PlyCount "161"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. e3 Nc6 6. 0-0 Qc7 7. a3 Be7 8. dxc5 Bxc5 9. b4 Be7 10. Bb2 d5 11. Nd4 0-0 12. Qd3 Bd7 13. Nxc6 Qxc6 14. Nd2 b5 15. Rfd1 Rfd8 16. Bd4 Be8 17. Nf3 Nd7 18. Ne5 Nxe5 19. Bxe5 Bg6 20. Qd4 Bf8 21. Rdc1 Rdc8 22. Bf1 Bh5 23. Kg2 Qd7 24. f3 Bd6 25. Bxd6 Qxd6 26. Bxb5 e5 27. Qd2 e4 28. Be2 Bxf3+ 29. Bxf3 exf3+ 30. Kxf3 Qe5 31. Qd4 Qe6 32. c3 Rc4 33. Qd3 Rac8 34. Rc2 g6 35. Rac1 Kf7 36. Kf2 Qe5 37. Ke2 h5 38. Kd2 h4 39. Rg1 Rh8 40. Kc1 Ke6 41. Kb2 Kf6 42. Rd2 a5 43. Kb3 Ra8 44. Rc1 axb4 45. axb4 Rac8 46. gxh4 Rxh4 47. Qa6+ Qe6 48. Qxe6+ Kxe6 49. Rcc2 g5 50. Rd4 g4 51. Rcd2 Rh3 52. R4d3 Rf3 53. b5 Rc5 54. Kb4 Kd6 55. Ra2 Rc4+ 56. Ka5 Rc8 57. Rad2 Rc5 58. Ka6 Rf1 59. Kb6 Ra1 60. Rf2 Rb1 61. c4 Rxc4 62. Rxf5 Rcb4 63. Rdxd5+ Ke6 64. Rfe5+ Kf6 65. Rc5 R1b3 66. e4 Rb2 67. Rf5+ Ke7 68. Rf4 Rxh2 69. Rxg4 Re2 70. Re5+ Kd6 71. Rgg5 Rexe4 72. Rxe4 Rxe4 73. Rc5 Ra4 74. Rc6+ Kd7 75. Kb7 Ra1 76. b6 Re1 77. Rc4 Rb1 78. Rd4+ Ke6 79. Ka6 Ra1+ 80. Kb5 Ra8 81. b7 1-0

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.12"]
[Round "3"]
[White "Stanek, Stanislav"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2011"]
[BlackElo "1799"]
[PlyCount "77"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. Bd3 a6 5. Nd2 b5 6. a4 bxa4 7. Rxa4 Bb7 8. Ngf3 Nbd7 9. Qe2 Qc8 10. 0-0 c5 11. c3 c4 12. Bc2 h6 13. h3 Be7 14. Rfa1 Bc6 15. R4a2 0-0 16. b4 Bb5 17. e4 dxe4 18. Nxe4 Nd5 19. Bd2 N7f6 20. Ne5 Nxe4 21. Bxe4 Bd6 22. Bxd5 exd5 23. Qh5 Bxe5 24. dxe5 Qe6 25. Be3 f5 26. exf6 Rxf6 27. Bd4 Qf5 28. Qxf5 Rxf5 29. Re1 Kf7 30. Re3 g6 31. g4 Rf4 32. f3 Kf8 33. Bc5+ Kg8 34. Rd2 Re8 35. Kf2 Rxe3 36. Bxe3 Rf6 37. Bxh6 Bc6 38. f4 Re6 39. Bg5 1-0

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.11"]
[Round "2"]
[White "Halbrstat, Petr"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1483"]
[BlackElo "1799"]
[PlyCount "118"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 a6 5. Bd3 c5 6. c3 Nc6 7. Nbd2 c4 8. Be2 b5 9. a3 Bb7 10. b4 Be7 11. Qc2 Nh5 12. Bg3 Nxg3 13. hxg3 h6 14. Ne5 Bf6 15. Nxc6 Bxc6 16. f4 a5 17. Kf2 Be7 18. Nf3 axb4 19. axb4 0-0 20. g4 f6 21. Rxa8 Qxa8 22. Rxh6 f5 23. Rh1 Qa4 24. Qxa4 bxa4 25. g5 Bd6 26. Ra1 Ra8 27. Bd1 a3 28. Nd2 g6 29. Nb1 a2 30. Nd2 Ra3 31. Nf3 Kf8 32. Ng1 Ba4 33. Bxa4 Rxa4 34. Ne2 Ra3 35. Nc1 Rxc3 36. Nxa2 Ra3 37. b5 Ke7 38. Kf3 Kd7 39. Rh1 Rxa2 40. Rh7+ Be7 41. b6 Rb2 42. b7 Rxb7 43. Rg7 c3 44. Ke2 Rb2+ 45. Kd1 Ke8 46. Rxg6 Kf7 47. Rh6 Rd2+ 48. Ke1 Rxg2 49. Rh7+ Ke8 50. Rh8+ Kd7 51. Ra8 c2 52. Ra7+ Ke8 53. Rc7 Ba3 54. Kf1 Rd2 55. Rc8+ Kd7 56. Rc3 c1Q+ 57. Rxc1 Bxc1 58. g6 Ke7 59. e4 dxe4 0-1

[Event "Brno op 3rd"]
[Site "Brno"]
[Date "2012.11.10"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Kratochvil, Josef"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1799"]
[BlackElo "2264"]
[PlyCount "106"]
[EventDate "2012.11.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nf3 Nc6 6. Nc3 Bg4 7. Be3 e6 8. a3 Be7 9. Be2 dxc4 10. Bxc4 0-0 11. 0-0 Rc8 12. Be2 Nd5 13. Nxd5 Qxd5 14. h3 Bh5 15. Rc1 Rfd8 16. Rc3 Bg6 17. Bc4 Qd7 18. Be2 Bf6 19. Qa4 Be4 20. Qd1 Qe8 21. Nd2 Bxd4 22. Bxd4 Rxd4 23. Qc1 Bg6 24. Bb5 Rd6 25. Nf3 Qd8 26. Re1 f6 27. Bxc6 Rcxc6 28. Qe3 Rxc3 29. Qxc3 Bf7 30. Rc1 e5 31. Kh2 Bd5 32. Ne1 Bc6 33. Qc4+ Kh8 34. Qc3 Rd2 35. Kg1 h6 36. Nf3 Rd3 37. Qc5 a6 38. Ne1 Rd2 39. Qc3 Qd5 40. Nf3 Rd3 41. Qc2 e4 42. Ne1 Rd2 43. Qc3 f5 44. Nc2 Rd3 45. Qe1 e3 46. f3 Qe6 47. Nb4 Rd2 48. Nxc6 bxc6 49. Rc3 f4 50. Qb1 Qd5 51. Qe4 Rd1+ 52. Kh2 Qxe4 53. fxe4 e2 0-1

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2012.05.02"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Lizner, Milan"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1796"]
[BlackElo "2034"]
[PlyCount "118"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 c6 3. Nf3 d6 4. c4 Qb6 5. b3 g6 6. h3 Bg7 7. e3 Nf6 8. Bxf6 Bxf6 9. Nc3 0-0 10. Rc1 Na6 11. Be2 Bd7 12. 0-0 Rad8 13. d5 c5 14. Re1 Bg7 15. Bf1 Nc7 16. e4 e5 17. dxe6 Bxe6 18. Nd5 Nxd5 19. exd5 Bc8 20. Rc2 Rde8 21. Rce2 Qd8 22. Qd2 a6 23. h4 h6 24. Re3 Bd7 25. g3 Rxe3 26. Rxe3 Re8 27. Bd3 b5 28. Qe2 Rxe3 29. Qxe3 Qe8 30. Qe2 Qxe2 31. Bxe2 Bc3 32. Kf1 Kf7 33. Bd3 Kf6 34. Ke2 g5 35. hxg5+ hxg5 36. Ke3 Bb2 37. Kd2 b4 38. Kc2 Bc3 39. a3 a5 40. a4 g4 41. Nd2 Be8 42. Kd1 Ke5 43. Ke2 Bg6 44. Nf1 Bh5 45. Ne3 f4 46. gxf4+ Kxf4 47. Ng2+ Ke5 48. Bc2 g3+ 49. f3 Bd4 50. Be4 Bf2 51. Kd3 Be8 52. f4+ Kf6 53. Ne3 Bd7 54. Ke2 Bh3 55. Bg2 Bxe3 56. Bxh3 Bxf4 57. Kf3 Ke5 58. Bf1 Bh6 59. Kxg3 Kd4 1/2-1/2

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2012.05.01"]
[Round "4"]
[White "Fiser, Otakar"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1591"]
[BlackElo "1796"]
[PlyCount "42"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d3 c6 7. Qe1 Re8 8. Nc3 Nbd7 9. b3 e5 10. fxe5 Nxe5 11. Bg5 Nxf3+ 12. Bxf3 Qb6+ 13. Kh1 Bh3 14. Bg2 Bxg2+ 15. Kxg2 Ng4 16. Qd2 Ne3+ 17. Bxe3 Qxe3 18. Qxe3 Rxe3 19. Nd1 Rxe2+ 20. Nf2 Bxa1 21. Rxa1 Rxc2 0-1

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2012.04.30"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Ramian, Zdenek"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1796"]
[PlyCount "87"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. Bg5 c5 8. d5 Qa5 9. Qd2 Re8 10. 0-0 a6 11. Bh6 Ng4 12. Bxg7 Kxg7 13. h3 Ngf6 14. Bd3 Qd8 15. Rfe1 Ne5 16. Nxe5 dxe5 17. f4 Qd6 18. fxe5 Qxe5 19. Qe3 b6 20. Re2 Bd7 21. Rf1 Rf8 22. Nb1 Nh5 23. Rf3 Rac8 24. b3 Nf6 25. Nd2 Ng4 26. hxg4 Bxg4 27. Qf4 Qxf4 28. Rxf4 Bxe2 29. Bxe2 Rcd8 30. Nf3 f6 31. Kf2 Rfe8 32. e5 fxe5 33. Nxe5 Rf8 34. Rxf8 Kxf8 35. Bg4 b5 36. Nd7+ Ke8 37. Nxc5 bxc4 38. bxc4 a5 39. Ke3 Rb8 40. Bd7+ Kd8 41. Bb5 Ra8 42. a4 Kc7 43. Kd4 h5 44. Ke5 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2012.04.29"]
[Round "2"]
[White "Koudelka, Milos"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1724"]
[BlackElo "1796"]
[PlyCount "51"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. a4 e6 7. Bd3 Be7 8. 0-0 Nbd7 9. Be3 Nc5 10. Qe2 Qc7 11. h3 0-0 12. Rac1 b6 13. Nb3 Nxd3 14. cxd3 Qb8 15. Nd2 Nd7 16. d4 Bb7 17. f4 d5 18. e5 Bb4 19. f5 Bxc3 20. Rxc3 exf5 21. Rxf5 Qd8 22. Qg4 Kh8 23. Rh5 Rc8 24. Bh6 Rg8 25. Bg5 Qe8 26. Rxh7+ 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2012.04.28"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Simek, Jiri"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1796"]
[BlackElo "2059"]
[PlyCount "137"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 c6 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 a6 11. a3 c5 12. dxc5 Nxc5 13. Be2 Bb7 14. 0-0 Qb6 15. b4 Ncd7 16. Qd4 0-0 17. Qxb6 Nxb6 18. Nd4 Rac8 19. Rac1 Rfd8 20. Bg3 Nc4 21. Bxc4 Rxc4 22. Nce2 Rdc8 23. Rxc4 bxc4 24. Rc1 Ne4 25. f3 Nxg3 26. hxg3 e5 27. Nf5 Bf8 28. e4 a5 29. Ne3 axb4 30. axb4 Bxb4 31. Nc3 Bc5 32. Kf2 Rd8 33. Ke2 Bxe3 34. Kxe3 Rd3+ 35. Ke2 Ba6 36. Nd5 c3 37. Ke1 Rd2 38. Rxc3 Re2+ 39. Kd1 Rxg2 40. g4 Kh7 41. Rc7 Be2+ 42. Ke1 Bxf3 43. Rxf7 Bxg4 44. Kf1 Bh3 45. Ke1 Rg6 46. Kf2 Be6 47. Re7 h5 48. Nc7 Bg4 49. Rxe5 h4 50. Nd5 Kh6 51. Ne3 Rf6+ 52. Kg2 Be6 53. Nd5 Rg6+ 54. Kh2 Bg4 55. Ne7 Re6 56. Rxe6+ Bxe6 57. Nc6 g5 58. Nd4 Bg4 59. Kg2 Kg6 60. Kf2 Kf6 61. Nc2 Ke5 62. Ke3 h3 63. Nb4 Bd7 64. Nd3+ Kf6 65. Kf3 Bb5 66. Nf2 Bd7 67. Nh1 Ke6 68. Ng3 Bc8 69. Ne2 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.10"]
[Round "9"]
[White "Pilch, David"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1592"]
[BlackElo "1814"]
[PlyCount "148"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6 Nxf6 8. Qc2 Bb4 9. Rc1 Qxa2 10. Nd2 Qa5 11. Bd3 0-0 12. 0-0 Bxc3 13. Qxc3 Qxc3 14. Rxc3 dxc4 15. Nxc4 Rd8 16. Rfc1 Nd5 17. Rb3 f6 18. Na5 Nb6 19. Kf1 Rd5 20. Nc4 Nxc4 21. Bxc4 Rd6 22. Rcc3 Kf8 23. Ke2 Ke7 24. Bd3 f5 25. g4 g6 26. gxf5 exf5 27. Rc5 b6 28. Re5+ Kf6 29. Rc3 Be6 30. Bc4 Bxc4+ 31. Rxc4 Rad8 32. Rc2 a5 33. h4 Kf7 34. Kf3 R8d7 35. Kf4 h6 36. f3 Kf6 37. Re8 Re7 38. Rc8 g5+ 39. hxg5+ hxg5+ 40. Kg3 Ree6 41. Kf2 b5 42. Ke2 Rxd4 43. R8xc6 Rb4 44. Rc8 g4 45. fxg4 fxg4 46. Rg8 Kf7 47. Rg5 Kf6 48. Rg8 a4 49. Kd3 Rbe4 50. Re2 Ke7 51. Rg5 R6e5 52. Rg7+ Kd6 53. Rg8 Kc5 54. Kc2 Kb4 55. Rg2 Rc5+ 56. Kb1 Rcc4 57. Ka2 Ka5 58. Rg5 Kb6 59. Rg6+ Kc7 60. Rg3 b4 61. Kb1 b3 62. Rf6 Kd7 63. Rf1 Ke6 64. Rc1 Kf5 65. Rf1+ Kg5 66. Re1 Rc2 67. Rgg1 Rf2 68. Kc1 Rc4+ 69. Kb1 Rcc2 70. Rgf1 Rxb2+ 71. Ka1 Ra2+ 72. Kb1 Rfb2+ 73. Kc1 a3 74. e4 Ra1# 0-1

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.09"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Pawlowski, Roman"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1814"]
[PlyCount "86"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. e3 e4 6. Bb5+ Bd7 7. Qb3 Nf6 8. Nxd5 Nxd5 9. Qxd5 Qa5+ 10. Bd2 Qxb5 11. Qxe4+ Be7 12. Nf3 Bc6 13. Qc2 0-0 14. a4 Qh5 15. Qd1 Nd7 16. 0-0 Bd6 17. Ne5 Qxd1 18. Rfxd1 Nxe5 19. dxe5 Bxe5 20. Bc3 Bxc3 21. bxc3 Rfd8 22. Rd4 Rd5 23. a5 Rad8 24. f3 f5 25. Kf2 Kf7 26. h4 h5 27. Kg3 Kf6 28. Kf4 Re8 29. Rxd5 Bxd5 30. Rd1 Re5 31. Rd4 Be6 32. Rb4 Rxa5 33. Rxb7 Ra4+ 34. Rb4 Ra2 35. g3 a5 36. Rb5 a4 37. Ra5 g6 38. Ra7 Ra3 39. Ra6 Ra1 40. c4 a3 41. c5 a2 42. c6 Rc1 43. c7 a1Q 0-1

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.08"]
[Round "7"]
[White "Kopel, Wojciech"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1530"]
[BlackElo "1814"]
[PlyCount "103"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 a6 5. Bd3 Nbd7 6. Nbd2 Be7 7. c3 Nh5 8. Bg3 Nxg3 9. hxg3 g6 10. Qc2 f5 11. 0-0-0 c5 12. Rh3 c4 13. Nxc4 dxc4 14. Bxc4 Nf6 15. Qb3 Nd5 16. Ne5 Bf6 17. Rdh1 Bxe5 18. dxe5 h5 19. Rd1 Qe7 20. Bxd5 exd5 21. Qxd5 Be6 22. Qd6 Rd8 23. Qxd8+ Qxd8 24. Rxd8+ Kxd8 25. Rh4 Kc7 26. Kc2 Rd8 27. a3 b5 28. Rd4 Rd5 29. f4 Kc6 30. Kd3 a5 31. e4 fxe4+ 32. Kxe4 Bf5+ 33. Ke3 Kc5 34. b4+ axb4 35. axb4+ Kc6 36. c4 bxc4 37. Rxc4+ Kb5 38. Rd4 Be6 39. Rxd5+ Bxd5 40. f5 gxf5 41. Kf4 Bxg2 42. Kxf5 Kxb4 43. e6 Bc6 44. Kg6 Be8+ 45. Kg7 Kc5 46. Kf8 Bc6 47. e7 Kd4 48. e8Q Bxe8 49. Kxe8 Ke4 50. Kf7 Kf5 51. Kg7 Kg5 52. Kh7 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.07"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Stuchly, Ondrej"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1814"]
[BlackElo "1644"]
[PlyCount "160"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 c6 8. 0-0 Re8 9. Rc1 dxc4 10. Bxc4 Nb6 11. Bd3 Nbd5 12. Bb1 Bd7 13. Ne5 Rc8 14. a3 c5 15. Nxd7 Qxd7 16. Nxd5 Nxd5 17. Bxe7 Qxe7 18. Qd3 g6 19. dxc5 Rxc5 20. b4 Rcc8 21. g3 Red8 22. Rxc8 Rxc8 23. Qd4 b6 24. Be4 Nc3 25. Bf3 e5 26. Qd2 e4 27. Bg2 b5 28. h4 Qe5 29. Kh2 Nd5 30. Rd1 Nb6 31. Qa2 Kg7 32. Bh3 Rc3 33. Bf1 Qc7 34. Rd2 a6 35. Kg2 Nc4 36. Bxc4 Qxc4 37. Qa1 Kh6 38. Qa2 Rd3 39. Rc2 Qb3 40. g4 Qxa2 41. Rxa2 Rb3 42. Kg3 f5 43. gxf5 gxf5 44. Kf4 Kg6 45. h5+ Kf6 46. a4 Rxb4 47. axb5 Rxb5 48. Rxa6+ Kg7 49. Kg5 Rb2 50. Ra7+ Kg8 51. Kf6 Rb6+ 52. Kxf5 Rb2 53. Kxe4 Rxf2 54. Ra5 Rf7 55. Rf5 Re7+ 56. Kf4 Kg7 57. e4 h6 58. Rd5 Re6 59. Rd7+ Kf8 60. e5 Ke8 61. Rh7 Ra6 62. Kf5 Rb6 63. e6 Rb1 64. Ra7 Rf1+ 65. Kg6 Re1 66. Ra6 Ke7 67. Kxh6 Rg1 68. Kh7 Rg2 69. h6 Rg3 70. Kh8 Rg4 71. h7 Rg1 72. Ra8 Kxe6 73. Rg8 Rf1 74. Kg7 Rg1+ 75. Kf8 Rf1+ 76. Ke8 Rb1 77. Rg6+ Kf5 78. Rg8 Ke6 79. Kd8 Rd1+ 80. Kc7 Rd7+ 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.06"]
[Round "5"]
[White "Fiser, Otakar"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "1585"]
[BlackElo "1814"]
[PlyCount "47"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 Rb8 11. Bd2 b6 12. b3 Be6 13. Rac1 Qd7 14. e4 Rfc8 15. f3 Ne8 16. Rb1 Nc7 17. Nd5 f5 18. Nxc7 Rxc7 19. Bc3 fxe4 20. fxe4 Rbc8 21. Bxg7 Kxg7 22. Qc3+ Kg8 23. a3 Bh3 24. Bxh3 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.05"]
[Round "4"]
[White "Tretina, Zdenek"]
[Black "Walica, Roman"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1814"]
[BlackElo "1639"]
[PlyCount "125"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Nf3 e6 5. e3 Nf6 6. a3 Nbd7 7. b4 dxc4 8. Bxc4 Nb6 9. Bb3 Nfd5 10. Bb2 Bd6 11. 0-0 0-0 12. Re1 Nxc3 13. Bxc3 Nd5 14. Bb2 Nf6 15. h3 Qe7 16. Nd2 Ne4 17. Nf1 Qg5 18. f4 Qg6 19. Qf3 h5 20. Kh2 h4 21. Bd1 Rad8 22. Qh5 Qxh5 23. Bxh5 g5 24. g3 hxg3+ 25. Nxg3 gxf4 26. Nxf5 exf5 27. exf4 Bxf4+ 28. Kg2 Bd2 29. Red1 Bc3 30. Bxc3 Nxc3 31. Rd3 Nb5 32. Rad1 Rfe8 33. Bf3 f4 34. Kf2 Kg7 35. d5 cxd5 36. Bxd5 Re7 37. Kf3 Re3+ 38. Kxf4 Rxd3 39. Rxd3 Nxa3 40. Ke5 Re8+ 41. Kd6 Nc2 42. Kd7 Kf8 43. Rb3 Re7+ 44. Kd6 b6 45. h4 Nd4 46. Rh3 f6 47. Bc4 Nf5+ 48. Kc6 Kg7 49. Bd3 Re5 50. h5 Kh6 51. Kb7 Re7+ 52. Ka6 Ng7 53. Bg6 f5 54. Rh1 f4 55. Rf1 Nxh5 56. Bxh5 Kxh5 57. Rxf4 Kg5 58. Rf1 Kg4 59. Rf2 Kg3 60. Rf8 Re4 61. b5 Ra4+ 62. Kb7 Ra5 63. Ra8 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.04"]
[Round "3"]
[White "Korostenski, Frantisek"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2193"]
[BlackElo "1814"]
[PlyCount "69"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. a3 e6 3. b4 cxb4 4. axb4 Bxb4 5. Bb2 Nf6 6. e5 Nd5 7. c4 Ne7 8. Na3 d6 9. Nc2 Bc5 10. exd6 Nf5 11. d4 Bxd6 12. Bd3 0-0 13. Nf3 Nc6 14. 0-0 Nh4 15. Re1 Nb4 16. Nxb4 Bxb4 17. Re5 Be7 18. Nxh4 Bxh4 19. Qe2 g6 20. Qe3 Bf6 21. Rb5 a6 22. Rb3 Qe7 23. Qf3 Bg7 24. Bc3 Qd7 25. Rd1 a5 26. Be4 Qa4 27. Bb2 Qxc4 28. Rc1 Qa4 29. Rc7 f6 30. d5 Rf7 31. Rxf7 Kxf7 32. dxe6+ Ke8 33. Bxb7 Qa2 34. Qc6+ Kd8 35. Rd3+ 1-0

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.03"]
[Round "2"]
[White "Foltyn, Mateusz"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1488"]
[BlackElo "1814"]
[PlyCount "66"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Bd7 6. Bc4 a6 7. a3 b5 8. Bd5 Rc8 9. Qf3 e6 10. Bxc6 Bxc6 11. Nxc6 Rxc6 12. Be3 Qf6 13. Qe2 Rxc3 14. bxc3 Qxc3+ 15. Kd1 Qxa1+ 16. Bc1 Qd4+ 17. Bd2 Nf6 18. f3 d5 19. e5 Nd7 20. Re1 Bxa3 21. Qf1 Bb4 22. Re2 0-0 23. f4 Rc8 24. Qf3 Bxd2 25. Rxd2 Qb2 26. g4 Rc3 27. Qg2 Qb1+ 28. Ke2 Rxc2 29. Qf3 Rxd2+ 30. Kxd2 Qa2+ 31. Ke1 Qb1+ 32. Kf2 Nc5 33. Kg3 Qd3 0-1

[Event "Karvina op"]
[Site "Karvina"]
[Date "2011.07.02"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Klima, Lukas"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1814"]
[BlackElo "2349"]
[PlyCount "60"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. Nf3 e4 5. Nfd2 f5 6. Nc3 Nf6 7. a3 Be6 8. b4 Be7 9. Be2 0-0 10. 0-0 dxc4 11. Bxc4 Bxc4 12. Nxc4 Kh8 13. Bb2 Bd6 14. Nxd6 cxd6 15. Qb3 Qe8 16. Ne2 g5 17. g3 Qh5 18. Qd1 Ng4 19. h4 gxh4 20. Nf4 Qh6 21. Kg2 hxg3 22. Rh1 Qg7 23. Ne6 Qg6 24. Nxf8 Rxf8 25. Qe2 gxf2 26. Kf1 d5 27. Rh3 f4 28. exf4 Rxf4 29. Rg3 Qf5 30. Rc1 Nh2+ 0-1

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.29"]
[Round "9"]
[White "Tretina, Zdenek"]
[Black "Majercik, Jaroslav"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "1819"]
[PlyCount "82"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 h6 7. Bh4 Bd6 8. Bd3 g5 9. Bg3 Bxg3 10. fxg3 dxc4 11. Bxc4 Qe7 12. 0-0 Nd5 13. Qe2 N7b6 14. Bb3 Bd7 15. Ne5 0-0 16. Rf2 Nxc3 17. bxc3 Kg7 18. Qh5 Be8 19. Ng4 Rh8 20. Nf6 Nd5 21. Nxd5 cxd5 22. Qf3 f5 23. g4 Bg6 24. Qg3 Rhf8 25. gxf5 Bxf5 26. c4 Rf6 27. cxd5 exd5 28. Bxd5 Re8 29. Re2 Bd3 30. Ree1 Ref8 31. h3 Qd7 32. Bf3 b5 33. Rac1 Bc4 34. a4 a6 35. axb5 axb5 36. d5 Qe7 37. e4 Qc5+ 38. Kh2 Rf4 39. e5 b4 40. e6 b3 41. Be4 Qb4 1/2-1/2

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.28"]
[Round "8"]
[White "Kolar, Stanislav"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2067"]
[BlackElo "1819"]
[PlyCount "83"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 a6 5. a4 Nf6 6. d3 g6 7. 0-0 Bg7 8. h3 Nc6 9. Bg5 Qc7 10. Re1 Nd7 11. Qd2 Nde5 12. Nxe5 Nxe5 13. Ba2 0-0 14. Ne2 Rb8 15. c3 b5 16. axb5 axb5 17. f4 Nc6 18. g4 b4 19. Bh4 Ra8 20. Bf2 Bd7 21. d4 bxc3 22. bxc3 cxd4 23. cxd4 Ra4 24. Bb3 Rxa1 25. Rxa1 Qb7 26. Rb1 Qa8 27. d5 exd5 28. exd5 Na5 29. Ba2 Nb7 30. Rb6 Bc8 31. Bb1 Qa3 32. Kg2 h5 33. f5 hxg4 34. hxg4 gxf5 35. gxf5 Qa4 36. Rb4 Qa5 37. Bb6 Qa1 38. Bd4 Bxd4 39. Nxd4 f6 40. Ne6 Rf7 41. Qh6 Bxe6 42. Rg4+ 1-0

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.27"]
[Round "7"]
[White "Tretina, Zdenek"]
[Black "Karhanek, Pavel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1819"]
[BlackElo "2118"]
[PlyCount "110"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. g3 e6 6. a3 Be7 7. Bg2 0-0 8. Nf3 a6 9. 0-0 b5 10. b4 Nbd7 11. Nd2 Nb6 12. Nb3 Nc4 13. Nc5 Bd7 14. e4 Bc6 15. Re1 Bxc5 16. exd5 Bxd4 17. Qxd4 Nxd5 18. Nxd5 Bxd5 19. Bxd5 Qxd5 20. Qxd5 exd5 21. Rd1 Rad8 22. Rd4 f6 23. a4 Rfe8 24. Kf1 Kf7 25. axb5 axb5 26. Bf4 g5 27. Bc7 Rd7 28. Ba5 Re4 29. Rad1 Rxd4 30. Rxd4 Ke6 31. f4 g4 32. Ke2 h5 33. Kd3 Nxa5 34. bxa5 Ra7 35. Kc3 Rxa5 36. Kb3 Ra1 37. Rd2 Kd6 38. Kb4 Rb1+ 39. Kc3 Kc5 40. Kc2 Re1 41. Kd3 d4 42. Rb2 Re3+ 43. Kd2 Kc4 44. Rc2+ Rc3 45. Ra2 d3 46. Ra6 Rc2+ 47. Kd1 b4 48. Rc6+ Kd4 49. Rb6 Rxh2 50. Rd6+ Ke3 51. Re6+ Kf3 52. f5 b3 53. Rd6 b2 54. Rxd3+ Ke4 55. Rb3 b1Q+ 0-1

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.26"]
[Round "6"]
[White "Fiser, Otakar"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B36"]
[BlackElo "1819"]
[PlyCount "88"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 g6 7. e4 Bg7 8. Bf4 0-0 9. Qd3 d6 10. Be2 Bd7 11. 0-0 Bc6 12. Rac1 a6 13. b3 Rc8 14. Nd5 Nxd5 15. cxd5 Bb5 16. Qd2 Bxe2 17. Qxe2 Qd7 18. Qd2 Rfd8 19. Bh6 Bf6 20. Bg5 Bh8 21. g3 Re8 22. Be3 e6 23. Bd4 e5 24. Bb6 Bf6 25. Rxc8 Rxc8 26. Rc1 Bd8 27. Rxc8 Qxc8 28. Bxd8 Qxd8 29. Qc3 h5 30. h3 Kg7 31. Kg2 Qb6 32. h4 Qc5 33. Qxc5 dxc5 34. f3 f6 35. Kf2 Kf7 36. Ke3 Ke7 37. f4 Kd6 38. Kf3 b5 39. g4 hxg4+ 40. Kxg4 c4 41. bxc4 bxc4 42. f5 c3 43. fxg6 c2 44. g7 c1Q 0-1

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.25"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Foltyn, Lukasz"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1819"]
[BlackElo "2014"]
[PlyCount "79"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 b6 5. cxd5 exd5 6. Bg5 Be7 7. e3 Bb7 8. Bd3 h6 9. Bh4 0-0 10. h3 Nbd7 11. Rc1 c5 12. 0-0 c4 13. Bb1 Bd6 14. Re1 g5 15. Bg3 Bxg3 16. fxg3 Qc7 17. g4 Rfe8 18. Qc2 a6 19. Re2 b5 20. a3 Re6 21. Rce1 Ne4 22. Nd2 Ndf6 23. Ndxe4 dxe4 24. Rf1 Rae8 25. Rf5 Qg3 26. Qd2 Nd7 27. Qe1 Qd6 28. Qf1 f6 29. Ref2 Kg7 30. Qd1 Qb6 31. Qd2 Rd6 32. Ne2 Ne5 33. Ng3 Ree6 34. Nxe4 Bxe4 35. Bxe4 Nxg4 36. Bd5 Nxf2 37. Qxf2 Rxd5 38. Rxd5 Qc6 39. Qf3 Rd6 40. Rf5 1/2-1/2

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.24"]
[Round "4"]
[White "Kraus, Frantisek"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "B82"]
[WhiteElo "2039"]
[BlackElo "1819"]
[PlyCount "41"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Nf3 Be7 8. Bd3 Nc6 9. 0-0 Qc7 10. Kh1 b5 11. e5 dxe5 12. fxe5 Nd7 13. Bf4 Bb7 14. Ne4 0-0 15. Nd6 Nc5 16. Qe1 Nxd3 17. cxd3 Bxd6 18. exd6 Qd7 19. Qg3 f6 20. d4 Rac8 21. h4 1/2-1/2

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.23"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Kuznarsky, Ludvik"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1819"]
[PlyCount "83"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. a4 Be7 5. Nf3 Bf6 6. e4 dxe4 7. Nxe4 Be7 8. Be2 Nf6 9. Qc2 Nbd7 10. 0-0 Nxe4 11. Qxe4 Nf6 12. Qc2 0-0 13. h3 Ne8 14. Be3 f5 15. Rfd1 Nf6 16. Ne5 Nd7 17. f4 Nf6 18. Bf3 Qc7 19. Rac1 Rd8 20. Rd3 Bd7 21. Rcd1 Be8 22. Qf2 Qa5 23. b3 a6 24. d5 Rd6 25. Bb6 Qb4 26. Bc5 Qa5 27. Bxd6 Bxd6 28. dxc6 Bc5 29. Rd4 bxc6 30. Kh2 Rd8 31. Bxc6 Qb6 32. a5 Qc7 33. Bxe8 Bxd4 34. Bf7+ Kf8 35. Qe1 Bxe5 36. Rxd8+ Qxd8 37. fxe5 Kxf7 38. exf6 Qxf6 39. Qe3 Kg6 40. b4 Qe7 41. b5 Qc7+ 42. Qg3+ 1-0

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.22"]
[Round "2"]
[White "Orzechowski, Jacek"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2262"]
[BlackElo "1819"]
[PlyCount "51"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 d6 5. d4 cxd4 6. exd4 d5 7. Bg5 e6 8. c5 Be7 9. Bb5 0-0 10. Bxc6 bxc6 11. Ne5 Qc7 12. Bf4 Qb7 13. Qa4 Bd7 14. Rb1 Rfc8 15. 0-0 Be8 16. b4 a6 17. Qb3 Bd7 18. Nf3 Bd8 19. a4 Bc7 20. Bxc7 Qxc7 21. b5 axb5 22. axb5 cxb5 23. Nxb5 Qc6 24. Nd6 Rcb8 25. Qe3 Rxb1 26. Rxb1 1-0

[Event "Orlova op 8th"]
[Site "Orlova"]
[Date "2011.05.21"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Sramek, Vojtech"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1819"]
[PlyCount "56"]
[EventDate "2011.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Nc6 5. a4 a6 6. Na3 Bg4 7. Be2 Nf6 8. d3 0-0 9. Nc2 exf4 10. Bxf4 Be6 11. d4 Ba7 12. d5 Nxe4 13. Rf1 Bxd5 14. Qxd5 Nf6 15. Qd3 Qd7 16. 0-0-0 b5 17. axb5 axb5 18. Ncd4 Bxd4 19. Nxd4 Nxd4 20. Qxd4 Rfe8 21. Bf3 Ra4 22. b4 Qf5 23. g4 Qg6 24. Bc6 Re7 25. Bxb5 Ra2 26. Bd3 Qxg4 27. Rg1 Qc8 28. Qxf6 g6 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.08"]
[Round "9"]
[White "Pirhala, Ladislav"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1436"]
[BlackElo "1819"]
[PlyCount "56"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. f3 Nbd7 9. 0-0-0 Qc7 10. Bd3 Nc5 11. Kb1 Nxd3 12. cxd3 0-0 13. Rc1 Qb8 14. Rc2 h6 15. Be3 Bd7 16. g4 b5 17. h4 b4 18. Nce2 e5 19. Nb3 Rc8 20. Rxc8+ Bxc8 21. g5 hxg5 22. hxg5 Nh7 23. Ng3 f6 24. Qh2 Nxg5 25. Qh8+ Kf7 26. f4 exf4 27. Bxf4 Bg4 28. Bxg5 Qxh8 0-1

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.07"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Puobis, Jozef"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1819"]
[BlackElo "1949"]
[PlyCount "90"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. Nf3 exd4 5. Nxd4 Nxd4 6. Qxd4 Be6 7. cxd5 Qxd5 8. Nc3 Qxd4 9. exd4 0-0-0 10. Be3 Nf6 11. Be2 Bb4 12. 0-0 a6 13. a3 Be7 14. h3 Rd7 15. Na4 Nd5 16. Nc5 Bxc5 17. dxc5 Nxe3 18. fxe3 Rd2 19. Rfe1 Rxb2 20. Rab1 Rc2 21. Bf3 c6 22. Rec1 Rd2 23. Rb6 Kc7 24. Rcb1 Bc8 25. R6b2 Rhd8 26. Kf1 Rxb2 27. Rxb2 Rd3 28. Be4 Rxe3 29. Bxh7 g6 30. Rf2 Re7 31. g4 Be6 32. Bg8 Kd7 33. h4 Ke8 34. h5 Kf8 35. hxg6 Kxg8 36. gxf7+ Rxf7 37. Rxf7 Kxf7 38. g5 Kg6 39. Kf2 Kxg5 40. Ke3 Kf5 41. Kd4 Kf4 42. Kc3 a5 43. Kd4 Bd5 44. Kd3 Ke5 45. Ke3 Be4 0-1

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.05"]
[Round "6"]
[White "Sudolsky, Jan"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1661"]
[BlackElo "1819"]
[PlyCount "112"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 Nbd7 4. e3 e6 5. Bd3 a6 6. 0-0 Be7 7. c4 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. Nbd2 c5 11. b3 cxd4 12. Nxd4 0-0 13. Rc1 Rc8 14. Rxc8 Qxc8 15. Qc2 Qa8 16. f3 Rc8 17. Qb1 h6 18. Bxf6 Bxf6 19. Ne2 Qa7 20. Kf2 Nc5 21. Rc1 Bg5 22. f4 Bf6 23. Bh7+ Kh8 24. b4 Nd7 25. Rxc8+ Bxc8 26. Be4 Qc7 27. Qc1 Qxc1 28. Nxc1 Bc3 29. Ndb3 Bxb4 30. Nd4 Nf6 31. Bf3 Nd5 32. Nc6 Bc5 33. Bxd5 exd5 34. Nd3 Bd6 35. Nde5 Kg8 36. Ke2 f6 37. Ng6 Kf7 38. Nh4 g5 39. fxg5 fxg5 40. Nf3 Kf6 41. g3 Bf5 42. Kd2 Bb1 43. a4 bxa4 44. Kc1 Be4 45. Nfd4 Bc5 46. Kb2 Kg6 47. Nb8 Bxd4+ 48. exd4 Bd3 49. Nd7 Kf5 50. Nb6 Ke4 51. Nxa4 Kxd4 52. Nb6 Bc4 53. Nd7 Ke3 54. Ne5 h5 55. Kc3 Bb5 56. h3 d4+ 0-1

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.04"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Petrov, Bogoljub"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1819"]
[BlackElo "1911"]
[PlyCount "114"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 Nf6 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 c5 8. Be3 a6 9. Qd2 Re8 10. Bg5 Qc7 11. Be2 Nfd7 12. 0-0 f5 13. exf5 gxf5 14. Bh6 Nf8 15. Qg5 Qe7 16. Nh4 Qxg5 17. Bxg5 h6 18. Bd2 Bf6 19. Bh5 Re7 20. Nf3 e4 21. Nh2 Bg5 22. Bxg5 hxg5 23. Rae1 Nbd7 24. Bd1 Ne5 25. b3 Bd7 26. f3 exf3 27. Nxf3 Nxf3+ 28. Bxf3 Rae8 29. Kf2 Re5 30. g4 Ng6 31. gxf5 Bxf5 32. Bg4 Rf8 33. Kg3 Rxe1 34. Rxe1 Ne5 35. Bxf5 Rxf5 36. Re3 Kg7 37. Ne4 Nf7 38. Nf2 Re5 39. Rxe5 Nxe5 40. Ne4 Nf7 41. h4 gxh4+ 42. Kxh4 Kf8 43. Kg4 Ke7 44. Kf5 b6 45. Nc3 Ne5 46. Ke4 Kd7 47. Kf5 Ke7 48. Na4 Nd7 49. Nc3 Ne5 50. Ke4 Kd7 51. Ne2 Ke7 52. Nf4 Kd7 53. Nd3 Nxd3 54. Kxd3 b5 55. Ke4 Ke7 56. Kf5 Kf7 57. Kg5 Kg7 1/2-1/2

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.03"]
[Round "4"]
[White "Perik, Alois"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "1875"]
[BlackElo "1819"]
[PlyCount "95"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 g6 7. e4 Bg7 8. Be2 d6 9. 0-0 0-0 10. Qd3 a6 11. Bf4 Qc7 12. Rac1 Qa5 13. b3 Bd7 14. Rfe1 Bc6 15. Bf3 Rfd8 16. Nd5 Kf8 17. Bd2 Qc5 18. Bb4 Qa7 19. Ba5 Nxd5 20. Bxd8 Nf4 21. Qd2 Bh6 22. Qc3 Bg7 23. Bxe7+ Kg8 24. Qd2 Bh6 25. Qxd6 Qb8 26. Qxb8+ Rxb8 27. Rcd1 Ne6 28. Bf6 Re8 29. e5 Bxf3 30. gxf3 Bf8 31. Rd7 b6 32. Red1 Bc5 33. Ra7 Nd4 34. Kg2 a5 35. Rd7 Ne6 36. Kg3 h6 37. h4 Ng7 38. Rd8 Rf8 39. Rxf8+ Bxf8 40. Rd8 h5 41. Rb8 Nf5+ 42. Kg2 Ng7 43. Rxb6 Ne6 44. Kg3 Bc5 45. Rb8+ Nf8 46. Rc8 Bb4 47. c5 Ba3 48. Be7 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.02"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Piskor, Ladislav"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1819"]
[PlyCount "57"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. Bg5 h6 7. Bh4 Nbd7 8. e3 b6 9. cxd5 exd5 10. h3 Nf8 11. Bd3 Ng6 12. Bg3 0-0 13. Qc2 Ne7 14. Nf3 a5 15. 0-0 Ba6 16. Bxa6 Rxa6 17. c4 c6 18. Rfc1 Ra8 19. Ne5 Nd7 20. Nxd7 Qxd7 21. Qb3 Rab8 22. Bxb8 Rxb8 23. a4 Nf5 24. cxd5 cxd5 25. Qb5 Qxb5 26. axb5 Ne7 27. Rc7 Kf8 28. Rac1 f6 29. Rd7 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.05.01"]
[Round "2"]
[White "Simek, Jiri"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2059"]
[BlackElo "1819"]
[PlyCount "149"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. f4 Be7 8. 0-0 0-0 9. a4 Nbd7 10. Kh1 Qc7 11. Qe1 b6 12. Bf3 Bb7 13. Be3 Nc5 14. Bg1 Rac8 15. Rd1 g6 16. Nb3 Rfd8 17. Qg3 Ne8 18. f5 Bf6 19. fxe6 fxe6 20. Nxc5 dxc5 21. Bg4 Qe7 22. e5 Bg5 23. Bxe6+ Qxe6 24. Qxg5 Rxd1 25. Rxd1 Rc7 26. Bf2 Rf7 27. Bg3 Kg7 28. Kg1 h6 29. Qd2 Qc6 30. Qe2 Kh7 31. h3 Re7 32. Qf2 Re6 33. Rd2 Qc7 34. Nd5 Bxd5 35. Rxd5 Ng7 36. Qd2 Re7 37. Bf4 g5 38. Qd3+ Kg8 39. Rd8+ Re8 40. Rxe8+ Nxe8 41. Qg6+ Ng7 42. Bg3 Qd7 43. Qxh6 Qd1+ 44. Kh2 Qxc2 45. Qxg5 b5 46. e6 Qf5 47. Qd8+ Kh7 48. e7 Qf7 49. axb5 axb5 50. Qd3+ Kg8 51. Qxb5 Qxe7 52. Qb8+ Qf8 53. Qxf8+ Kxf8 54. Bd6+ Kf7 55. Bxc5 Ke6 56. g4 Kd5 57. Be7 Ke6 58. Bf8 Ne8 59. Kg3 Kf7 60. Bb4 Nc7 61. h4 Kg6 62. h5+ Kg5 63. Bd2+ Kf6 64. g5+ Kf5 65. g6 Nd5 66. g7 Ne7 67. b4 Kf6 68. h6 Kg6 69. b5 Kh7 70. b6 Nf5+ 71. Kg4 Nd6 72. Bf4 Nb7 73. Kf5 Nc5 74. Kf6 Kg8 75. Kg6 1-0

[Event "Ostrava Konik op-C"]
[Site "Ostrava"]
[Date "2011.04.30"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Lavrisin, Jan"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "1819"]
[PlyCount "54"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Nf3 0-0 7. Be2 e5 8. d5 Nc5 9. Qc2 a5 10. b3 h6 11. 0-0 Kh7 12. Be3 Ncxe4 13. Nxe4 Nxe4 14. Qxe4 Bf5 15. Qh4 Qxh4 16. Nxh4 e4 17. Rad1 Bd7 18. g4 g5 19. Ng2 f5 20. gxf5 Bxf5 21. Bg4 Rf7 22. Bxf5+ Rxf5 23. Bd4 Rf3 24. Bxg7 Kxg7 25. Rde1 Re8 26. Re3 Rf5 27. Rfe1 Rfe5 1-0

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.09"]
[Round "9"]
[White "Babica, Petr"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1655"]
[BlackElo "1825"]
[PlyCount "76"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g3 Nc6 2. Bg2 b6 3. Nf3 Bb7 4. d4 e6 5. 0-0 Nf6 6. c4 d5 7. Nc3 Be7 8. Bg5 0-0 9. Bxf6 Bxf6 10. cxd5 exd5 11. e3 Ne7 12. Rc1 Rc8 13. Bh3 Ra8 14. b4 c6 15. Qc2 Bc8 16. Bg2 Bf5 17. Qb3 Rc8 18. Na4 Qd7 19. Nb2 Bh3 20. Nd3 Bxg2 21. Kxg2 Rc7 22. Rc2 Rfc8 23. Rfc1 Nf5 24. Nfe5 Bxe5 25. Nxe5 Qd6 26. Nd3 f6 27. Nf4 g5 28. Nd3 h5 29. Qb1 Qe6 30. Qb3 Nd6 31. Nb2 Qe4+ 32. f3 Qe6 33. Qd3 Kg7 34. a4 Nf5 35. b5 Nxe3+ 36. Kf2 Nxc2 37. Qxc2 Qd6 38. Re1 cxb5 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.08"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Kredl, Karel"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1825"]
[BlackElo "2090"]
[PlyCount "74"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 g6 7. Bg5 Bg7 8. Qd2 Rb8 9. Rc1 0-0 10. b3 Qa5 11. g3 d5 12. Bxf6 Bxf6 13. cxd5 cxd5 14. Bg2 e6 15. 0-0 Ba6 16. Rc2 Bxc3 17. Rxc3 Bxe2 18. Rfc1 Rbc8 19. Bf1 Bxf1 20. Kxf1 Rxc3 21. Rxc3 Qa6+ 22. Qe2 Qb7 23. h4 d4 24. Rf3 Rc8 25. Kg1 Rc1+ 26. Kg2 Rc3 27. g4 e5 28. Kg3 Rxf3+ 29. Qxf3 Qxf3+ 30. Kxf3 f5 31. g5 Kf7 32. Ke2 Ke6 33. Kd3 Kd5 34. f3 e4+ 35. Ke2 Kc5 36. a3 d3+ 37. Ke3 a6 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.07"]
[Round "7"]
[White "Cubok, Miroslav"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1660"]
[BlackElo "1825"]
[PlyCount "114"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. e3 b6 5. Be2 Bb7 6. d3 Bd6 7. Nbd2 0-0 8. c4 c6 9. Bxf6 Qxf6 10. 0-0 Nd7 11. d4 Bb4 12. Qc2 Bxd2 13. Nxd2 Ba6 14. Bd3 g6 15. Rac1 Rac8 16. Qb1 dxc4 17. Nxc4 Bxc4 18. Bxc4 Rc7 19. Rfd1 Nb8 20. d5 cxd5 21. Be2 Rfc8 22. h3 Qe7 23. Rxc7 Qxc7 24. Bf3 Qc2 25. Qa1 Qc3 26. Qb1 Na6 27. a3 Nb8 28. e4 dxe4 29. Bxe4 Kg7 30. Bb7 Rc7 31. Bf3 Nd7 32. Be2 Ne5 33. Qe4 Rd7 34. Rf1 Rd5 35. Qb1 Rd2 36. Qe4 Qc5 37. Ba6 Qd5 38. Qb1 f6 39. Rc1 Nd7 40. Bc4 Qd6 41. Rf1 a5 42. Qc1 e5 43. Qc3 Qd4 44. Qf3 e4 45. Qf4 Ne5 46. Rc1 Rd1+ 47. Rxd1 Qxd1+ 48. Kh2 Qd6 49. Qg3 Nxc4 50. bxc4 Qxg3+ 51. Kxg3 f5 52. Kf4 Kf6 53. h4 h6 54. g3 g5+ 55. Ke3 Ke5 56. f4+ exf3 57. Kxf3 Kd4 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.06"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Kacir, Tomas"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "1825"]
[BlackElo "1625"]
[PlyCount "236"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 dxc4 8. Bxc4 c6 9. 0-0 Nd5 10. Bxe7 Qxe7 11. Nxd5 exd5 12. Bd3 Nf6 13. Ne5 g6 14. Rc1 Nd7 15. Nxd7 Bxd7 16. a3 a5 17. Rc3 Qg5 18. Qf3 Kg7 19. Qg3 Qxg3 20. hxg3 h5 21. f3 Rfe8 22. Re1 f5 23. Kf2 Kf6 24. Rc2 Re7 25. Rce2 Rae8 26. b4 a4 27. Rb1 b5 28. Rbe1 Bc8 29. Rc1 Bd7 30. Rc5 Re6 31. Rc1 R6e7 32. Rce1 Bc8 33. e4 fxe4 34. fxe4 dxe4 35. Bxe4 Bd7 36. Re3 Kg7 37. d5 cxd5 38. Bxd5 Rxe3 39. Rxe3 Rf8+ 40. Rf3 Rf6 41. Ke3 g5 42. Kd4 h4 43. Rxf6 Kxf6 44. gxh4 gxh4 45. Kc5 Ke5 46. Bc6 Bxc6 47. Kxc6 Kf4 48. Kxb5 Kg3 49. Kxa4 Kxg2 50. b5 h3 51. b6 h2 52. b7 h1Q 53. b8Q Qd1+ 54. Ka5 Qd2+ 55. Qb4 Qd5+ 56. Ka4 Qd1+ 57. Kb5 Qd5+ 58. Qc5 Qd3+ 59. Kb6 Qb3+ 60. Ka5 Qb7 61. a4 Kf3 62. Qc3+ Kg2 63. Qd2+ Kh3 64. Qh6+ Kg4 65. Qg6+ Kh4 66. Qf6+ Kh5 67. Qb6 Qa8+ 68. Kb5 Qe8+ 69. Qc6 Qb8+ 70. Ka6 Kg4 71. a5 Kh4 72. Qb7 Qd6+ 73. Qb6 Qd3+ 74. Kb7 Qd7+ 75. Qc7 Qb5+ 76. Ka7 Kh5 77. a6 Kh4 78. Qd6 Kh5 79. Ka8 Qe8+ 80. Kb7 Qb5+ 81. Ka7 Kh4 82. Qf4+ Kh5 83. Qf3+ Kh4 84. Qf6+ Kh5 85. Qf3+ Kh4 86. Qb7 Qc5+ 87. Ka8 Qf8+ 88. Ka7 Qc5+ 89. Kb8 Qf8+ 90. Kc7 Qe7+ 91. Kb6 Qe6+ 92. Kc5 Qe5+ 93. Kc4 Qf4+ 94. Kd3 Qd6+ 95. Ke3 Qc5+ 96. Kf3 Qc3+ 97. Kf4 Qf6+ 98. Ke4 Qe6+ 99. Kd3 Qd6+ 100. Kc4 Qe6+ 101. Kc3 Qe3+ 102. Kb4 Qd4+ 103. Ka5 Qc5+ 104. Ka4 Qc2+ 105. Qb3 Qc6+ 106. Ka5 Qc5+ 107. Qb5 Qc7+ 108. Kb4 Qe7+ 109. Qc5 Qe1+ 110. Kb5 Qe8+ 111. Ka5 Qd8+ 112. Kb5 Qb8+ 113. Kc4 Qg8+ 114. Qd5 Qc8+ 115. Kb5 Qe8+ 116. Qc6 Qe5+ 117. Kb6 Qd4+ 118. Ka5 Qd2+ 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.05"]
[Round "5"]
[White "Wrzecionko, David"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "1825"]
[PlyCount "102"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 d6 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bg5 Be7 8. Rb1 Qc7 9. Bb3 0-0 10. 0-0 b5 11. Bxf6 Bxf6 12. Nce2 Nc6 13. c3 Na5 14. Re1 Nxb3 15. Qxb3 Bb7 16. Qc2 d5 17. exd5 Bxd5 18. Nb3 Rac8 19. a3 Qb7 20. f3 a5 21. Nf4 Bc6 22. Kh1 Qb6 23. Nd2 g6 24. Ne4 Bg7 25. Qf2 Qc7 26. Ne2 Rb8 27. Rbd1 b4 28. Nd4 Bxe4 29. Rxe4 bxa3 30. bxa3 Qxc3 31. a4 Rfd8 32. Qg1 Rd5 33. Nb5 Rxd1 34. Qxd1 Qc5 35. h3 Bf6 36. Qe1 Qb6 37. Qc1 Rd8 38. Kh2 Qf2 39. Qe3 Qf1 40. Qe1 Qxe1 41. Rxe1 Rd2 42. Re4 Kg7 43. Na3 Ra2 44. Nc4 Bd8 45. Nd6 Bc7 46. Rd4 Bxd6+ 47. Rxd6 Rxa4 48. Ra6 h6 49. g3 Ra2+ 50. Kg1 Kf6 51. Ra7 g5 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.04"]
[Round "4"]
[White "Tretina, Zdenek"]
[Black "Soural, Jiri"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "1825"]
[BlackElo "1630"]
[PlyCount "98"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 e6 5. a3 a6 6. Bg5 Nbd7 7. a4 Bb4 8. e3 b6 9. Bxc4 Bxc3+ 10. bxc3 Bb7 11. Be2 Qc8 12. Bxf6 Nxf6 13. 0-0 0-0 14. Bd3 c5 15. Re1 Be4 16. Bxe4 Nxe4 17. Qc2 f5 18. Qb2 Rb8 19. Nd2 Nf6 20. Qb3 Nd5 21. c4 Nf6 22. h3 Kh8 23. Red1 Qc6 24. Nf3 Rfd8 25. Ne5 Qc7 26. f3 Kg8 27. Rd3 Nd7 28. Nxd7 Rxd7 29. Rad1 Rbd8 30. Qc3 h6 31. Kf2 Qc6 32. dxc5 Rxd3 33. Rxd3 Rxd3 34. Qxd3 Qxc5 35. g3 h5 36. g4 hxg4 37. hxg4 fxg4 38. fxg4 Qc6 39. Qc2 Kf7 40. Kg3 Qc5 41. Qe4 g5 42. Kf3 a5 43. Qb7+ Kf6 44. Qa6 Qc6+ 45. Kf2 Qd6 46. Qa8 Qd2+ 47. Kf3 Qd1+ 48. Kf2 Qd2+ 49. Kf3 Qd1+ 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.03"]
[Round "3"]
[White "Zidek, Daniel"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "1825"]
[PlyCount "47"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nc3 Qa5 7. c5 Ne4 8. Qc2 b6 9. cxb6 axb6 10. a3 h6 11. Bf4 Bb4 12. Rc1 Bxc3+ 13. bxc3 0-0 14. Bd3 Ndf6 15. Ne5 Bb7 16. f3 Ng5 17. Bxg5 hxg5 18. 0-0 Qxa3 19. f4 g4 20. Qf2 Ne4 21. Bxe4 dxe4 22. Nxg4 Ba6 23. Qg3 Bxf1 24. Nf6+ 1-0

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.02"]
[Round "2"]
[White "Tretina, Zdenek"]
[Black "Vermirovsky, Vlastimil"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1825"]
[BlackElo "2040"]
[PlyCount "65"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 cxd5 6. g3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. Re1 Nc6 10. a3 Ne4 11. e3 f5 12. Qb3 e6 13. Qd1 Bd7 14. Nxe4 fxe4 15. Nd2 e5 16. Qb3 Qa5 17. dxe5 Kh8 18. f4 exf3 19. Bxf3 Nxe5 20. Be2 Ba4 21. Qa2 Qb6 22. b3 Qxe3+ 23. Kh1 Bc6 24. Nf3 Qe4 25. Bb2 d4 26. Bxd4 Qxd4 27. Rad1 Qe3 28. Qd2 Bxf3+ 29. Bxf3 Qxf3+ 30. Qg2 Qxb3 31. Rb1 Qf3 32. Rxb7 Qxg2+ 33. Kxg2 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2010.05.01"]
[Round "1"]
[White "Kuchar, Matej"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B80"]
[BlackElo "1825"]
[PlyCount "71"]
[EventDate "2010.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Bd3 Qc7 9. Qd2 Nbd7 10. 0-0-0 b6 11. g4 Nc5 12. Be2 0-0 13. h4 Bb7 14. h5 Rac8 15. g5 Nfxe4 16. fxe4 Nxe4 17. Nxe4 Bxe4 18. Bd3 Bxh1 19. Rxh1 Qb7 20. Rh3 b5 21. g6 Qd5 22. Kb1 Bf6 23. Ne2 Qg2 24. gxh7+ Kh8 25. Rg3 Qh1+ 26. Rg1 Qxh5 27. Nf4 Qf3 28. Bf1 Qc6 29. Qh2 Be5 30. Bd3 Qf3 31. Bd2 Rc5 32. Be2 Qe4 33. Bd3 Qf3 34. Be2 Qc6 35. Bd3 Rc8 36. Rc1 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.30"]
[Round "9"]
[White "Girak, Bogdan"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "A38"]
[BlackElo "1825"]
[PlyCount "25"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. e3 e5 8. b3 h6 9. d4 exd4 10. exd4 cxd4 11. Nxd4 Nd5 12. Nxc6 dxc6 13. Bd2 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.29"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Olsar, Zdenek"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1825"]
[BlackElo "2063"]
[PlyCount "68"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. a3 Bd6 7. c5 Bc7 8. b4 e5 9. dxe5 Nxe5 10. Be2 0-0 11. 0-0 Nxf3+ 12. Bxf3 Qe7 13. Bb2 Re8 14. Rc1 Bf5 15. Ne2 Ng4 16. g3 h5 17. Nd4 Bd7 18. Bg2 h4 19. Bf3 Nxh2 20. Kxh2 hxg3+ 21. Kg2 gxf2 22. Rxf2 Qg5+ 23. Kf1 Rxe3 24. Rcc2 Bh3+ 25. Bg2 Rae8 26. Bc1 Bxg2+ 27. Rxg2 Qf6+ 28. Rgf2 Re1+ 29. Qxe1 Rxe1+ 30. Kxe1 Qxd4 31. Bb2 Qe4+ 32. Kf1 Bg3 33. Rfd2 Qh1+ 34. Ke2 Qg2+ 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.28"]
[Round "7"]
[White "Tretina, Zdenek"]
[Black "Chwastek, Otto"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1825"]
[BlackElo "2011"]
[PlyCount "32"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Bb4 7. Bxf6 Nxf6 8. Nd2 Qa5 9. Qc2 0-0 10. Bd3 Bd7 11. 0-0 Bxc3 12. Qxc3 Qxc3 13. bxc3 b6 14. a4 Rfc8 15. Rfc1 Be8 16. h3 Nd7 1/2-1/2

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.27"]
[Round "6"]
[White "Pisarek, Marcin"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1765"]
[BlackElo "1825"]
[PlyCount "96"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bb4 9. Qc2 0-0 10. a3 Bxc3 11. Qxc3 Qxc3 12. bxc3 b6 13. Bd3 Ba6 14. Ke2 Rfc8 15. Rhc1 c5 16. cxd5 Bxd3+ 17. Kxd3 exd5 18. dxc5 Rxc5 19. f3 Rac8 20. Rc2 Kf8 21. Rac1 Ke7 22. c4 dxc4+ 23. Rxc4 Rd8+ 24. Ke2 Rdc8 25. Rxc5 Rxc5 26. Nb3 Rxc1 27. Nxc1 Kd6 28. Nb3 a6 29. Kd3 Nd7 30. Kd4 f6 31. e4 Ne5 32. f4 Nc6+ 33. Kc3 b5 34. Nc1 a5 35. Nd3 g6 36. g4 Nd8 37. h3 Ne6 38. Kb3 Nc5+ 39. Nxc5 Kxc5 40. Kc3 h6 41. h4 b4+ 42. axb4+ axb4+ 43. Kd3 b3 44. g5 fxg5 45. hxg5 hxg5 46. fxg5 b2 47. Kc2 b1Q+ 48. Kxb1 Kd4 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.26"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Broskevic, Lumir"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1825"]
[PlyCount "131"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 c6 8. Bd3 Ne8 9. Bg3 f5 10. 0-0 Nf6 11. h3 Ne4 12. Bxe4 dxe4 13. Ne5 Nd7 14. Ng6 Rf6 15. Nxe7+ Qxe7 16. a3 Rf8 17. b4 Kh7 18. c5 Re8 19. Qb3 Nf6 20. Rad1 Nd5 21. Ne2 Bd7 22. Bd6 Qf7 23. Qc2 a5 24. Qb2 b5 25. cxb6 Nxb6 26. Rb1 axb4 27. Bxb4 Nd5 28. Bd6 Ra6 29. Ra1 Rb6 30. Qc2 Ra8 31. Rfb1 Qe8 32. Rxb6 Nxb6 33. Qb3 Nd5 34. Nc3 Qc8 35. Ne2 Qa6 36. Ng3 g5 37. Be5 Qb5 38. Rb1 f4 39. Nxe4 Rxa3 40. Nf6+ Nxf6 41. Qc2+ Qd3 42. Qxd3+ Rxd3 43. Rb7 Kg6 44. Bxf6 Kxf6 45. Rxd7 fxe3 46. fxe3 Rxe3 47. Kf2 Rb3 48. Rh7 Kf5 49. Rxh6 Rb2+ 50. Kf3 Rb3+ 51. Kf2 e5 52. dxe5 Kxe5 53. Rh5 Kf4 54. g4 Rb2+ 55. Ke1 Ke3 56. Kd1 Rd2+ 57. Kc1 Rd5 58. h4 Kf4 59. Rxg5 Rxg5 60. hxg5 Kxg5 61. Kd2 Kxg4 62. Ke3 Kf5 63. Kd4 Ke6 64. Kc5 Kd7 65. Kc4 Kd6 66. Kd4 1/2-1/2

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.25"]
[Round "4"]
[White "Klima, Martin"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "A39"]
[BlackElo "1825"]
[PlyCount "64"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 0-0 9. 0-0 d6 10. Rd1 Qa5 11. Qd2 Qc5 12. b3 a6 13. Bb2 Rb8 14. e3 b5 15. Nd5 Nxd5 16. Bxg7 Kxg7 17. cxd5 Bd7 18. b4 Qa7 19. a3 f6 20. Rac1 Rfc8 21. h4 Qb7 22. Qd4 Rc7 23. Qb2 Rbc8 24. e4 Bg4 25. Re1 Qb6 26. Rc6 Rxc6 27. dxc6 Rc7 28. Kh2 Be6 29. f4 Qxc6 30. Re3 Kf7 31. Qd2 Qc2 32. Qd4 Qf2 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.24"]
[Round "2"]
[White "Olsarova, Karolina"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2110"]
[BlackElo "1825"]
[PlyCount "85"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. Nc3 Nf6 7. 0-0 Be7 8. d3 h6 9. a3 0-0 10. Ne1 Nc6 11. f4 exf4 12. Bxf4 Nd4 13. Nf3 Nxf3+ 14. Qxf3 Nh7 15. Qg3 Kh8 16. Nd5 Rad8 17. h4 Nf6 18. Bxh6 Qg4 19. Qxg4 Nxg4 20. Bxg7+ Kxg7 21. Nxe7 Ne5 22. Rad1 f6 23. Nd5 Rf7 24. g3 Rb8 25. Ne3 Kg6 26. d4 cxd4 27. Rxd4 b5 28. b4 bxc4 29. Nxc4 Nxc4 30. Rxc4 Rb5 31. Rd4 Re5 32. Rf4 a5 33. Rxd6 axb4 34. axb4 Rb5 35. g4 Rxb4 36. g5 Kh7 37. Rdxf6 Re7 38. Rf7+ Rxf7 39. Rxf7+ Kg6 40. Rf4 Rb2 41. Kf1 Kh5 42. e5 Rb5 43. Re4 1-0

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.24"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Weglarz, Leszek"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "1825"]
[BlackElo "2258"]
[PlyCount "74"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. Nc3 Qc7 7. Bb5+ Nbd7 8. a3 a6 9. Qa4 Rb8 10. Bxd7+ Bxd7 11. Qd1 Rd8 12. 0-0 Bd6 13. dxc5 Qxc5 14. Qd4 Qxd4 15. Nxd4 e5 16. Nde2 Bc6 17. Rd1 Ke7 18. f3 Ke6 19. Bd2 Bc5 20. b4 Rxd2 21. bxc5 Rhd8 22. Rxd2 Rxd2 23. Ra2 Rxa2 24. Nxa2 Kd5 25. Nb4+ Kxc5 26. Nxc6 Kxc6 27. f4 exf4 28. exf4 Kb5 29. Nd4+ Ka4 30. Kf2 Kxa3 31. Ke2 Kb2 32. Kd3 a5 33. h3 a4 34. g4 a3 35. Kc4 a2 36. Nb3 b5+ 37. Kb4 Nd5+ 0-1

[Event "Orlova op 6th"]
[Site "Orlova"]
[Date "2009.05.23"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Ruff, Roland"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1825"]
[PlyCount "49"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5 Be7 8. Nf3 Nc6 9. Be2 Bg4 10. 0-0 Bxf3 11. Bxf3 h6 12. Rad1+ Ke8 13. Bxf6 Bxf6 14. Bg4 Rd8 15. Nd5 Be7 16. Nxc7+ Kf8 17. Nd5 Na5 18. b3 Kg7 19. Nxe7 Rxd1 20. Rxd1 Re8 21. Nd5 f5 22. exf5 gxf5 23. Bxf5 Rd8 24. Kf1 Nc6 25. Be4 1-0

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.10"]
[Round "9"]
[White "Pektor, Vitezslav"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1720"]
[BlackElo "1795"]
[PlyCount "32"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. a3 c6 5. Nf3 Nbd7 6. e3 b6 7. cxd5 cxd5 8. Bd3 Bb7 9. 0-0 Be7 10. b4 a6 11. Bb2 b5 12. Nd2 Nb6 13. Nb3 Nc4 14. Bxc4 dxc4 15. Nc5 Bxc5 16. dxc5 0-0 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.09"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Klecka, Ivo"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1795"]
[BlackElo "1645"]
[PlyCount "104"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 Nc6 3. Nf3 e5 4. e4 Bxc5 5. Nc3 Qb6 6. Qd2 Nf6 7. Bd3 0-0 8. 0-0 d6 9. Na4 Qb4 10. Nxc5 Qxc5 11. a3 Bg4 12. b4 Qb6 13. Ne1 Rac8 14. Kh1 Rfd8 15. f3 Be6 16. Qe3 Qxe3 17. Bxe3 h6 18. Rc1 d5 19. exd5 Nxd5 20. Bd2 Nd4 21. Be4 f5 22. Bd3 Nc3 23. Bxc3 Rxc3 24. Ra1 Bc4 25. Bxc4+ Rxc4 26. Rf2 Rdc8 27. Ra2 Nb5 28. g3 Nc3 29. Ra1 e4 30. fxe4 fxe4 31. h3 Rd8 32. g4 Rcd4 33. Ng2 Rd1+ 34. Rf1 Rxa1 35. Rxa1 Rd2 36. Re1 Rxc2 37. Re3 Nd1 38. Re1 Nf2+ 39. Kh2 Rc3 40. Re3 Rd3 41. Rg3 g5 42. h4 Kf7 43. h5 Ke6 44. Ne1 Rd2 45. Kg1 Ke5 46. Rg2 Nh3+ 47. Kf1 Rxg2 48. Nxg2 Kd4 49. Ke2 Ng1+ 50. Kf2 Nf3 51. Ke2 b5 52. Ne3 Ng1+ 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.08"]
[Round "7"]
[White "Novakova, Veronika"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1464"]
[BlackElo "1795"]
[PlyCount "130"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. Qd2 Qc7 9. h3 Nbd7 10. f4 b6 11. g4 Bb7 12. Bf3 Nc5 13. Qg2 0-0-0 14. g5 Ne8 15. 0-0-0 b5 16. Rd2 b4 17. Nb1 g6 18. Rhd1 Ng7 19. h4 Kb8 20. Nb3 Nxb3+ 21. axb3 e5 22. Qf2 Qc6 23. Bb6 Rc8 24. fxe5 dxe5 25. Rd7 Bc5 26. Bxc5 Qxc5 27. Qxc5 Rxc5 28. Rxf7 Rhc8 29. Rd2 R8c7 30. Rd8+ Ka7 31. Rxc7 Rxc7 32. Rd2 Ne6 33. Kd1 a5 34. c3 Nc5 35. Kc2 Rf7 36. Bg2 Kb8 37. cxb4 axb4 38. Rd1 Kc7 39. Nd2 Rf2 40. Bh1 Rh2 41. Rf1 Nxe4 42. Rf7+ Kb6 43. Bxe4 Bxe4+ 44. Kd1 Bd3 45. Ke1 Rxh4 46. Nf3 Rh1+ 47. Kd2 e4 48. Ne5 Rh2+ 49. Ke3 Rxb2 50. Rxh7 Rxb3 51. Nxd3 Rxd3+ 52. Kxe4 Rd6 53. Rh8 Kb5 54. Rb8+ Kc4 55. Rc8+ Kb3 56. Rc7 Kb2 57. Rc8 b3 58. Rc7 Kb1 59. Rc8 b2 60. Ke3 Rd5 61. Kf4 Ka2 62. Ra8+ Kb3 63. Rb8+ Kc3 64. Rc8+ Kb4 65. Rb8+ Rb5 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.07"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Salek, Josef"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1795"]
[BlackElo "1720"]
[PlyCount "88"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 f5 5. Bg5 Be7 6. Bxe7 Qxe7 7. cxd5 exd5 8. e3 Nf6 9. Be2 0-0 10. 0-0 Nbd7 11. a3 a5 12. Rc1 Ne4 13. Nd2 Nxc3 14. Rxc3 Nf6 15. Bf3 Bd7 16. g3 g6 17. Bg2 h5 18. Nf3 Kg7 19. h4 Ng4 20. Bh3 Nf6 21. Ne5 Ne4 22. Rc2 Be8 23. Bg2 g5 24. hxg5 Qxg5 25. Nf3 Qh6 26. Nh4 Bd7 27. Bh3 Ng5 28. Bg2 Kf6 29. Qd2 Ne4 30. Qe2 Ng5 31. Qe1 Rg8 32. b4 a4 33. Qc3 Ne6 34. Bh3 Ng5 35. Bg2 Ne4 36. Bxe4 fxe4 37. Qc5 Ke6 38. Qb6 Rab8 39. b5 Qg5 40. Kh2 Ke7 41. bxc6 bxc6 42. Qc7 Qg4 43. Rh1 Qh3+ 44. Kg1 Rb1+ 0-1

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.06"]
[Round "5"]
[White "Macalka, Frantisek"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1680"]
[BlackElo "1795"]
[PlyCount "214"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Nbd7 5. a3 e6 6. Bd3 dxc4 7. Bxc4 b6 8. 0-0 Bb7 9. Nc3 Be7 10. e4 0-0 11. Re1 Rc8 12. Bg5 h6 13. Bxf6 Nxf6 14. b4 Re8 15. Qb3 Bf8 16. Rad1 Qc7 17. g3 a6 18. Bd3 Red8 19. Be2 c5 20. dxc5 bxc5 21. Rxd8 Rxd8 22. b5 axb5 23. Nxb5 Qc6 24. e5 Nd7 25. Rd1 Be7 26. Nd6 Nxe5 27. Qxb7 Nxf3+ 28. Bxf3 Qxb7 29. Nxb7 Ra8 30. Rd3 c4 31. Rc3 Rxa3 32. Rxa3 Bxa3 33. Bd1 Bb4 34. Nd8 Kf8 35. Ba4 Ba3 36. Kf1 Ke7 37. Nc6+ Kd6 38. Nd4 Kc5 39. Nc2 Bb2 40. Ke2 e5 41. f3 f6 42. g4 Bc1 43. h4 Bf4 44. h5 Kd5 45. Be8 e4 46. Bf7+ Ke5 47. Bxc4 exf3+ 48. Kxf3 f5 49. gxf5 Kxf5 50. Bd3+ Kg5 51. Bg6 Bc1 52. Ke4 Kf6 53. Nd4 Bb2 54. Nf5 Ke6 55. Kf4 Be5+ 56. Kg4 Bb2 57. Ng3 Ke7 58. Kf5 Kf8 59. Ke6 Kg8 60. Nf5 Ba3 61. Bf7+ Kh8 62. Nh4 Bb2 63. Ng6+ Kh7 64. Ke7 Ba3+ 65. Ke8 Bb4 66. Be6 Ba3 67. Kf7 Bb4 68. Bf5 Ba3 69. Nf4+ Kh8 70. Ne6 Bb2 71. Bg6 Bc3 72. Ke8 Kg8 73. Nd8 Bb2 74. Bf7+ Kh8 75. Ne6 Ba3 76. Nf4 Bb4 77. Ng6+ Kh7 78. Be6 Ba3 79. Kf7 Bb4 80. Bf5 Ba3 81. Ne5+ Kh8 82. Kg6 Bb2 83. Nf7+ Kg8 84. Be6 Kf8 85. Bc4 Bc3 86. Nd8 Bb2 87. Be2 Bc1 88. Ne6+ Ke8 89. Nxg7+ Kf8 90. Bg4 Bd2 91. Nf5 Bc3 92. Nxh6 Bh8 93. Nf5 Bc3 94. h6 Bd2 95. h7 Bc3 96. Nd6 Ke7 97. Nf5+ Kf8 98. Nh6 Bh8 99. Nf7 Bc3 100. h8Q+ Bxh8 101. Nxh8 Ke7 102. Kf5 Kd6 103. Kf6 Kc5 104. Kf5 Kd4 105. Kf4 Kc3 106. Ke3 Kb2 107. Kd2 Kb3 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.05"]
[Round "4"]
[White "Tretina, Zdenek"]
[Black "Koudelka, Milos"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1795"]
[BlackElo "1705"]
[PlyCount "94"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 a6 7. dxc5 Bxc5 8. Nxd5 Qxd5 9. Qxd5 exd5 10. a3 0-0 11. b4 Be7 12. Bb2 Nc6 13. Be2 Be6 14. 0-0 f6 15. Rfd1 g5 16. h3 h5 17. Nd4 Nxd4 18. Bxd4 g4 19. hxg4 hxg4 20. g3 Rac8 21. Rac1 Bf5 22. Bc5 Bxc5 23. Rxc5 Rxc5 24. bxc5 Be6 25. Rd4 f5 26. Rb4 Rf7 27. Rb6 Re7 28. c6 bxc6 29. Rxc6 d4 30. Bxa6 dxe3 31. fxe3 Kf7 32. Kf2 Ra7 33. Rb6 Bd5 34. a4 Be4 35. Ke2 Rd7 36. Rb2 Bf3+ 37. Kf2 Kf6 38. Be2 Be4 39. Ke1 Ke5 40. a5 Rh7 41. Ba6 Rh3 42. Rb5+ Kf6 43. Bb7 Rxg3 44. Kf2 Rg2+ 45. Kf1 Bxb7 46. Rxb7 Rd2 47. Rb4 Rd5 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.04"]
[Round "3"]
[White "Krupansky, Jaromir"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1635"]
[BlackElo "1795"]
[PlyCount "39"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Nf6 5. e5 dxe5 6. fxe5 Nd5 7. Bb5 Qd7 8. 0-0 h6 9. d4 e6 10. Ne4 a6 11. Bxc6 Qxc6 12. Nd6+ Bxd6 13. exd6 Qxd6 14. Ne5 0-0 15. Bxh6 Nf6 16. Rxf6 Qxd4+ 17. Qxd4 cxd4 18. Rxf7 Rxf7 19. Nxf7 Kxf7 20. Rf1+ 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.03"]
[Round "2"]
[White "Tretina, Zdenek"]
[Black "Bok, Zdenek"]
[Result "1/2-1/2"]
[ECO "D08"]
[WhiteElo "1795"]
[PlyCount "92"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Nge7 6. Bg5 h6 7. Bh4 g5 8. Bg3 Ng6 9. h3 Bg7 10. Nbd2 Ncxe5 11. Nxe5 Bxe5 12. Bxe5 Nxe5 13. Qc2 Qe7 14. 0-0-0 c5 15. Nf3 Nxf3 16. exf3 Bd7 17. Bd3 0-0-0 18. Rhe1 Qd6 19. Be4 Rhe8 20. Kb1 Bc6 21. Bxc6 Qxc6 22. Qf5+ Kb8 23. Qxf7 Rxe1 24. Rxe1 d3 25. Qe7 Qd6 26. Qxd6+ Rxd6 27. Rd1 Re6 28. Rxd3 Re2 29. Rd6 Rxf2 30. Rxh6 Rxg2 31. h4 gxh4 32. Rxh4 Kc7 33. Rh7+ Kc6 34. f4 Rf2 35. Rf7 a6 36. a4 Kb6 37. Ka2 Ka5 38. Ka3 Rf3+ 39. b3 b5 40. axb5 axb5 41. cxb5 Kxb5 42. Ka2 Kb4 43. Rb7+ Ka5 44. Rf7 Kb4 45. Rf8 Rf2+ 46. Ka1 Kxb3 1/2-1/2

[Event "Ostrava op"]
[Site "Ostrava"]
[Date "2009.05.02"]
[Round "1"]
[White "Vinklarek, Robert"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "1795"]
[PlyCount "149"]
[EventDate "2009.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. Be3 Nf6 4. Be2 Nc6 5. c3 e6 6. Nd2 Be7 7. h3 Qc7 8. Ngf3 a6 9. a4 b6 10. d4 Bb7 11. Qc2 Rc8 12. Rc1 0-0 13. 0-0 Qb8 14. Bd3 cxd4 15. Bxd4 Nb4 16. Qb1 Nxd3 17. Qxd3 Nd7 18. Rfe1 Qa8 19. Nc4 d5 20. exd5 Bxd5 21. Nxb6 Nxb6 22. Bxb6 Qb7 23. a5 Bf6 24. Bd4 Bxd4 25. cxd4 Rxc1 26. Rxc1 g6 27. Qc3 Rb8 28. Rc2 Kg7 29. Qe3 f6 30. Qf4 Rc8 31. Rxc8 Qxc8 32. Qd2 Qc6 33. Ne1 g5 34. f3 h5 35. Qc3 Qb7 36. Qd2 Bc4 37. Qc3 Bb5 38. Qd2 Qd5 39. Nc2 e5 40. Qc3 Ba4 41. Nb4 Qxa5 42. dxe5 fxe5 43. Nd3 Qxc3 44. bxc3 Kf6 45. Kf2 Bb5 46. Nc5 h4 47. Ne4+ Kg6 48. Ke3 Bf1 49. Kf2 Bb5 50. Ke3 a5 51. Nd6 Ba6 52. c4 Kf6 53. Nb5 a4 54. Na3 Kf5 55. c5 Ke6 56. c6 Kd6 57. Ke4 Bf1 58. c7 Kxc7 59. Kxe5 Bxg2 60. Kf5 Bxf3 61. Kxg5 Be2 62. Kxh4 Kc6 63. Kg3 Kc5 64. Kf2 Bd3 65. Ke3 Bf5 66. Kd2 Kb4 67. Nc2+ Kc5 68. h4 Bg6 69. Kc3 Bh5 70. Kb2 Bg6 71. Ne3 Kd4 72. Ka3 Be8 73. Nc2+ Ke4 74. Na1 Kf4 75. Nb3 1/2-1/2

[Event "Zdar nad Sazavou Vysocina op-B 4th"]
[Site "Zdar nad Sazavou"]
[Date "2007.09.29"]
[Round "9"]
[White "Tretina, Zdenek"]
[Black "Jezek, Zdenek"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "1865"]
[PlyCount "57"]
[EventDate "2007.09.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 Be7 4. Nc3 0-0 5. e4 c5 6. Nf3 b6 7. dxc5 bxc5 8. Qc2 Bb7 9. Bd3 d6 10. 0-0 e5 11. Bg5 Nbd7 12. Kh1 Rb8 13. Nd2 Nh5 14. Bxe7 Qxe7 15. Nd5 Bxd5 16. exd5 g6 17. Rae1 Ndf6 18. f4 Nd7 19. f5 Qd8 20. fxg6 fxg6 21. Bxg6 hxg6 22. Qxg6+ Ng7 23. Ne4 Rb6 24. Ng5 Nf6 25. Ne6 Qe7 26. Nxf8 Qxf8 27. Rxf6 Qe7 28. Ref1 Rxb2 29. h3 1-0

[Event "Zdar nad Sazavou Vysocina op-B 4th"]
[Site "Zdar nad Sazavou"]
[Date "2007.09.28"]
[Round "8"]
[White "Svoboda, Ivo"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2027"]
[BlackElo "1865"]
[PlyCount "63"]
[EventDate "2007.09.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[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 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Bf6 16. fxe6 Bb7 17. Bxb5+ axb5 18. Ndxb5 Qe7 19. Nxd6+ Kf8 20. Nxb7 Qxb7 21. Rd7 g6 22. Qh6+ Bg7 23. Qxg7+ Kxg7 24. Rxb7 Rae8 25. exf7 Nxf7 26. Rf1 Rhf8 27. a4 Kg8 28. a5 Re5 29. b4 g5 30. a6 Rc8 31. Nd5 Ra8 32. Rfxf7 1-0

[Event "Zdar nad Sazavou Vysocina op-B 4th"]
[Site "Zdar nad Sazavou"]
[Date "2007.09.26"]
[Round "6"]
[White "Vala, Filip"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1984"]
[BlackElo "1865"]
[PlyCount "56"]
[EventDate "2007.09.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[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 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 0-0 10. g4 b5 11. Bxf6 Bxf6 12. g5 Bxd4 13. Rxd4 Nc6 14. Rd2 Bb7 15. h4 g6 16. h5 Rad8 17. Qh3 Qe7 18. Rdh2 Rd7 19. Qg4 f5 20. Qg3 Qg7 21. hxg6 Qxg6 22. Rh6 Qg7 23. g6 b4 24. Nb1 Rf6 25. gxh7+ Kh8 26. Qxg7+ Rxg7 27. Rxf6 Rxh7 28. Rxh7+ Kxh7 1-0

[Event "Zdar nad Sazavou Vysocina op-B 4th"]
[Site "Zdar nad Sazavou"]
[Date "2007.09.22"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Golcman, Evgeny"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "1865"]
[BlackElo "2241"]
[PlyCount "52"]
[EventDate "2007.09.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Nc3 0-0 6. Bg2 d6 7. 0-0 Nc6 8. b3 e5 9. dxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 e4 12. Ne1 h6 13. Bxf6 Bxf6 14. Rc1 Be6 15. e3 Rd2 16. f3 exf3 17. Bxf3 Bxc3 18. Rxc3 Rxa2 19. Bxc6 bxc6 20. Rf2 Ra1 21. Rf1 Rb8 22. Nf3 Ra5 23. b4 Ra2 24. Rf2 Ra1+ 25. Rf1 Ra2 26. Rf2 Ra1+ 1/2-1/2

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.27"]
[Round "9"]
[White "Kharchenko, Volodymyr"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "E61"]
[BlackElo "1878"]
[PlyCount "58"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 Nf6 6. d4 cxd4 7. exd4 d6 8. Nge2 0-0 9. 0-0 a6 10. Be3 e6 11. Qc1 Re8 12. Rb1 Rb8 13. b4 Ne7 14. b5 axb5 15. Rxb5 Nf5 16. Bg5 h6 17. Bd2 Kh7 18. Qb2 Qc7 19. c5 Nd5 20. cxd6 Nxd6 21. Rc5 Nxc3 22. Bxc3 Qd7 23. Bc6 bxc6 24. Qxb8 Ba6 25. Qb2 Ne4 26. Rc1 Bxe2 27. Qxe2 Nxc5 28. dxc5 Bxc3 29. Rxc3 Qd5 1/2-1/2

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.26"]
[Round "8"]
[White "Tretina, Zdenek"]
[Black "Ismaylov, Volodymyr"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1878"]
[PlyCount "108"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bb4 9. Qc2 0-0 10. a3 Bxc3 11. Qxc3 Qxc3 12. bxc3 Bd7 13. Bd3 Rfe8 14. Nf3 Rac8 15. c5 Re7 16. 0-0 Be8 17. Rfb1 Rb8 18. Rb4 b5 19. cxb6 Rxb6 20. Ne5 Reb7 21. Rab1 h6 22. h3 Kf8 23. c4 Rxb4 24. Rxb4 Rxb4 25. axb4 dxc4 26. Bxc4 Nd5 27. Bxd5 cxd5 28. Kf1 Bb5+ 29. Ke1 a6 30. g3 Ke7 31. h4 f6 32. Ng6+ Kd6 33. Nf4 e5 34. Nh5 exd4 35. exd4 g5 36. Nxf6 gxh4 37. gxh4 Ke6 38. Ng4 Kf5 39. Nxh6+ Ke4 40. Nf7 Kxd4 41. Kd2 Be8 42. Nd6 Bh5 43. Nb7 Kc4 44. f4 Kxb4 45. Kd3 Kb5 46. Kd4 Kc6 47. Na5+ Kd6 48. Nb3 Ke6 49. Nc5+ Kf5 50. Nxa6 Kxf4 51. Nb4 Kg4 52. Nxd5 Kxh4 53. Nf4 Kg5 54. Nxh5 Kxh5 1/2-1/2

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.25"]
[Round "7"]
[White "Kraus, Frantisek"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2080"]
[BlackElo "1878"]
[PlyCount "61"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Nf3 Nc6 8. Bd3 Bg4 9. h3 Bd7 10. 0-0 e6 11. Kh1 Be7 12. Qe1 Nb4 13. e5 Nxd3 14. cxd3 dxe5 15. fxe5 Nd5 16. Ne4 h6 17. Qg3 g5 18. Bd2 0-0-0 19. Rac1 Bc6 20. Nd4 Rhf8 21. Qe1 Rde8 22. b4 Qxe5 23. Nxc6 bxc6 24. Rxc6+ Kb8 25. Rxa6 f5 26. Qf2 Qc7 27. Nc5 Bd6 28. Qd4 Bxc5 29. bxc5 Kc8 30. c6 Kb8 31. Rb1+ 1-0

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.24"]
[Round "6"]
[White "Rydzewski, Pawel"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "1878"]
[PlyCount "54"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Nbd7 5. e3 c6 6. Nf3 Qa5 7. a3 Ne4 8. Rc1 Be7 9. cxd5 exd5 10. Be2 0-0 11. 0-0 Nxc3 12. Rxc3 Nf6 13. b4 Qb6 14. Nd2 a5 15. b5 Bd7 16. Qb1 Rfc8 17. Rfc1 c5 18. Be5 c4 19. e4 Nxe4 20. Nxe4 dxe4 21. Bxc4 Bf5 22. Qb3 Rf8 23. Bd5 Bg5 24. Rg3 Bf6 25. Bxb7 Bxe5 26. Rxg7+ Bxg7 27. Bxa8 Rxa8 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.23"]
[Round "5"]
[White "Tretina, Zdenek"]
[Black "Kotas, Jan"]
[Result "0-1"]
[ECO "E19"]
[WhiteElo "1878"]
[BlackElo "2014"]
[PlyCount "118"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 d5 9. cxd5 exd5 10. e3 Nxc3 11. Qxc3 Nd7 12. b4 c6 13. Bb2 Bf6 14. Qd2 Re8 15. Rfe1 Rc8 16. Rac1 Qe7 17. a3 Qe6 18. Rc2 Ba6 19. Qc1 Bc4 20. Bf1 b5 21. Bg2 Bd3 22. Rc3 Be4 23. Rd1 Nb6 24. Nd2 Bxg2 25. Kxg2 Nc4 26. Nb3 Be7 27. Qc2 Bd6 28. Kg1 Qg4 29. Rc1 Re6 30. Nd2 Rh6 31. f3 Qh3 32. Nxc4 Bxg3 33. Qg2 Bxh2+ 34. Kf2 bxc4 35. Qxh3 Rxh3 36. Kg2 Rh4 37. Rh1 Bg3 38. Rcc1 Rxh1 39. Rxh1 Bd6 40. Bc3 f5 41. Re1 Re8 42. Kf2 Kf7 43. Rb1 a6 44. f4 Rb8 45. Rb2 Bc7 46. a4 h6 47. Kf3 g5 48. fxg5 hxg5 49. Rb1 g4+ 50. Kg2 Bd6 51. a5 Kg6 52. Bd2 Rh8 53. Rh1 Rxh1 54. Kxh1 Kh5 55. Be1 g3 56. Kg2 Kg4 57. Bd2 f4 58. exf4 Bxf4 59. Be1 Be3 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.22"]
[Round "4"]
[White "Wesolowska, Katarzyna"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1878"]
[PlyCount "78"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Be2 e6 6. d4 cxd4 7. Nxd4 a6 8. 0-0 b5 9. Nf3 Bb7 10. Bd3 h6 11. h3 Nbd7 12. Be3 Be7 13. a3 Rc8 14. Nbd2 Nc5 15. Rac1 0-0 16. Rfe1 Rfe8 17. Kh1 Qb8 18. Bxc5 dxc5 19. c4 b4 20. axb4 cxb4 21. b3 Bc5 22. Re2 Red8 23. Ne1 Qa7 24. Kg1 Nh5 25. g3 Nxg3 26. Re3 Bxe3 27. fxe3 Qxe3+ 28. Kg2 f5 29. Rd1 fxe4 30. Bf1 Qg5 31. Kh2 Nxf1+ 32. Nxf1 Rxd1 33. Qxd1 Rd8 34. Qe2 Qf4+ 35. Kg1 Rf8 36. Ng2 Qf3 37. Qxf3 Rxf3 38. Nd2 Rd3 39. Nf1 Rxb3 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.21"]
[Round "3"]
[White "Tretina, Zdenek"]
[Black "Papan, Cyril"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1878"]
[BlackElo "2058"]
[PlyCount "84"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 d5 6. Nf3 Nc6 7. a3 Be7 8. Bg5 0-0 9. Bd3 dxc4 10. Bxc4 Qb6 11. Qd2 Rd8 12. Rd1 e5 13. Bxf6 Bxf6 14. Nd5 Qa5 15. Nxf6+ gxf6 16. Qxa5 Nxa5 17. Bd3 e4 18. Bxe4 Re8 19. 0-0 Rxe4 20. h3 Nc4 21. Nd2 Nxd2 22. Rxd2 Bd7 23. f3 Re3 24. Kf2 Rae8 25. Rc1 Bb5 26. Rcd1 f5 27. d5 f4 28. d6 Rd8 29. Re1 Rxe1 30. Kxe1 Kg7 31. Rd4 f6 32. Kf2 Kf7 33. g3 fxg3+ 34. Kxg3 Bc6 35. f4 Ke6 36. Rd2 Rxd6 37. Re2+ Kf5 38. Rf2 Rd3+ 39. Kh2 Bf3 40. h4 Kxf4 41. Rc2 Rd1 42. Rc4+ Be4 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.20"]
[Round "2"]
[White "Kosiorek, Marta"]
[Black "Tretina, Zdenek"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1878"]
[PlyCount "90"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 a6 5. a3 b5 6. Be2 Bb7 7. d3 Nf6 8. 0-0 Be7 9. Be3 Nc6 10. d4 Ng4 11. Qd2 Nxe3 12. Qxe3 cxd4 13. Nxd4 Nxd4 14. Qxd4 Bf6 15. Qd1 Qc7 16. Bg4 0-0 17. h3 Bxc3 18. bxc3 Bxe4 19. Re1 Bg6 20. a4 d5 21. axb5 axb5 22. Rxa8 Rxa8 23. Qd4 Qc6 24. Qb4 Bxc2 25. Be2 Ba4 26. Qe7 Qxc3 27. Rf1 Rc8 28. Qg5 h6 29. Qe3 Qxe3 30. fxe3 Rc3 31. Rf3 e5 32. e4 Rxf3 33. Bxf3 d4 34. Kf1 b4 35. Ke1 Bc2 36. Kd2 b3 37. Ke2 b2 38. Ke1 b1Q+ 39. Kf2 Bxe4 40. Ke2 Qd3+ 41. Ke1 Qe3+ 42. Kd1 Bxf3+ 43. gxf3 d3 44. h4 Qe2+ 45. Kc1 Qc2# 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.19"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Bolacky, Jiri"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1878"]
[BlackElo "2281"]
[PlyCount "114"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Nbd7 7. Qd2 Re8 8. Nf3 e5 9. d5 Nc5 10. Qc2 a5 11. 0-0 Nh5 12. g3 Bd7 13. Nd2 Nf6 14. Bf3 Ng4 15. Bxc5 dxc5 16. Bg2 f5 17. h3 Nh6 18. exf5 gxf5 19. Rae1 Nf7 20. Kh2 Ra6 21. Na4 Bf8 22. Nc3 Rh6 23. Nf3 e4 24. Ng1 Ne5 25. Nxe4 fxe4 26. Bxe4 Nf7 27. Bf5 Nd6 28. Bxd7 Qxd7 29. b3 Bg7 30. Rxe8+ Qxe8 31. Qd2 Ne4 32. Qe2 Nf6 33. Kg2 Qxe2 34. Nxe2 Nd7 35. Nf4 Nf8 36. Re1 Kf7 37. Re2 Ra6 38. a4 Rb6 39. Re3 Bh6 40. Rf3 Bxf4 41. Rxf4+ Rf6 42. Re4 Ng6 43. f4 Ne7 44. g4 c6 45. dxc6 Nxc6 46. f5 Rd6 47. Re3 Nd4 48. Kg3 Rb6 49. Kf4 Rxb3 50. Rxb3 Nxb3 51. Ke5 Nd2 52. Kd5 b6 53. g5 Ke7 54. Kc6 Nxc4 55. Kb5 Nd6+ 56. Kxb6 c4 57. f6+ Ke6 0-1

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "3"]
[White "Bednarz, Valdemar"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2030"]
[BlackElo "1875"]
[PlyCount "84"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e6 6. c4 a6 7. 0-0 Be7 8. Nc3 Qc7 9. Qe2 0-0 10. Be3 b6 11. Rfd1 Bb7 12. Rac1 Nbd7 13. Bb1 Rac8 14. b3 Qb8 15. f3 Rfe8 16. Nc2 Bc6 17. Nd4 Bb7 18. Qf2 Ba8 19. Bd3 Bd8 20. Bf1 Bc7 21. Kh1 Ne5 22. Nc2 Nfd7 23. Nb4 Bb7 24. Na4 Qa7 25. Nd3 Nxd3 26. Rxd3 Nc5 27. Nxc5 dxc5 28. Qh4 Qb8 29. Rcd1 Bc6 30. Bf2 Rcd8 31. Bg3 Rxd3 32. Rxd3 f6 33. Qg4 Qc8 34. Bh4 Kh8 35. Bg3 e5 36. Qxc8 Rxc8 37. Kg1 Kg8 38. Kf2 Kf7 39. Ke3 Ke7 40. a4 Rd8 41. Be1 Rxd3+ 42. Bxd3 a5 1/2-1/2

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "5"]
[White "Blecha, Zdenek"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2010"]
[BlackElo "1975"]
[PlyCount "97"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. h3 a6 4. c3 e6 5. d4 cxd4 6. cxd4 Be7 7. Nc3 Nf6 8. Bc4 b5 9. Bd3 Bb7 10. a3 Nbd7 11. 0-0 0-0 12. b4 Rc8 13. Bb2 Nb6 14. Nd2 Rc7 15. Rc1 Qa8 16. Qe2 Rfc8 17. Na2 Na4 18. Ba1 Rxc1 19. Rxc1 Rxc1+ 20. Nxc1 Qc8 21. Qd1 h6 22. Qc2 Qxc2 23. Bxc2 Nb6 24. g3 Nfd7 25. Kf1 h5 26. Ke2 d5 27. f3 Nc4 28. Nxc4 dxc4 29. Bc3 g6 30. h4 Bd6 31. e5 Be7 32. Be4 Bc8 33. Na2 Nb6 34. Bd2 Nd5 35. Bxd5 exd5 36. Nc3 Be6 37. Bg5 Bf8 38. Bd8 Kh7 39. Ba5 Be7 40. a4 bxa4 41. Nxa4 g5 42. hxg5 Bxg5 43. Bb6 Kg6 44. Nc3 Be7 45. Bc5 Bd8 46. Ke3 Kf5 47. b5 axb5 48. Nxb5 f6 49. exf6 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2007.??.??"]
[Round "1"]
[White "Bolacky, Jiri"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2258"]
[BlackElo "1865"]
[PlyCount "55"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Qc7 7. Qd2 e6 8. f3 Be7 9. g4 b5 10. 0-0-0 Bb7 11. h4 Nc6 12. Kb1 h6 13. Rg1 Nd7 14. g5 Nde5 15. Qf2 hxg5 16. hxg5 g6 17. f4 Nd7 18. f5 gxf5 19. g6 0-0-0 20. exf5 Nxd4 21. Bxd4 e5 22. Be3 fxg6 23. fxg6 Bf6 24. g7 Rhg8 25. Bh3 Bxg7 26. Bb6 Rdf8 27. Rxg7 Bc6 28. Rxg8 1-0

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "2"]
[White "Heyl, Thomas"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2075"]
[BlackElo "1875"]
[PlyCount "68"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. 0-0 Nbd7 6. b3 0-0 7. Bb2 c5 8. Nbd2 a6 9. c4 b6 10. Rc1 Bb7 11. Qc2 Rc8 12. Qb1 Bb8 13. Ne5 h6 14. f4 dxc4 15. bxc4 Nxe5 16. dxe5 Nd7 17. Rcd1 Qc7 18. Be4 f6 19. Bxb7 Qxb7 20. Qg6 Qc6 21. Ne4 fxe5 22. Nd6 Bxd6 23. Qxe6+ Kh8 24. Rxd6 Qe4 25. Rxd7 Qxe3+ 26. Kh1 Qe2 27. Rb1 Qc2 28. Rdd1 Rcd8 29. Rdc1 Qe4 30. Bxe5 Kh7 31. Re1 Qc2 32. Qe7 Qg6 33. Rxb6 Qg4 34. Rbb1 Rd7 1-0

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "9"]
[White "Honc, Martin"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2075"]
[BlackElo "1875"]
[PlyCount "77"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. b3 Nf6 6. Bb2 0-0 7. e3 d6 8. Nge2 Bd7 9. 0-0 Rc8 10. d4 cxd4 11. Nxd4 a6 12. Qd2 Qc7 13. Rac1 Qa5 14. Rfd1 Rfe8 15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Rxd2 Bg7 18. Rcd1 Rc7 19. Ne2 Bxb2 20. Rxb2 Ne5 21. a4 Bg4 22. Kf1 Rb8 23. h3 Bd7 24. Nc3 Bc6 25. f4 Bxg2+ 26. Kxg2 Nc6 27. Nd5 Re8 28. b4 b5 29. cxb5 axb5 30. a5 Ra7 31. Rc1 Kf8 32. Rbc2 e6 33. Nb6 Rd8 34. Rxc6 d5 35. Rc8 Ke7 36. Rxd8 Kxd8 37. Rc8+ Ke7 38. Rc6 Kd8 39. a6 1-0

[Event "Karvina op"]
[Site "Karvina"]
[Date "2007.??.??"]
[Round "9"]
[White "Mitura, Karel"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2018"]
[BlackElo "1865"]
[PlyCount "52"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Qc7 9. Qe2 Nc6 10. 0-0-0 Nxd4 11. Bxd4 e5 12. Be3 b5 13. f3 Bb7 14. g4 h6 15. h4 b4 16. Na4 Nd7 17. Kb1 Rc8 18. Qf2 Nc5 19. Nxc5 dxc5 20. Bc4 a5 21. g5 h5 22. Rd2 Qb6 23. Qg3 Qc7 24. Rhd1 Bc6 25. g6 f6 26. Qh3 Rf8 1-0

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "7"]
[White "Sirota, Sergej"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2025"]
[BlackElo "1875"]
[PlyCount "120"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5 exd5 8. Bd3 Bb4 9. 0-0 Bxc3 10. bxc3 Qxc3 11. Qe2 0-0 12. Nd2 Qa3 13. e4 h6 14. Bh4 Re8 15. e5 Nh7 16. f4 Qb4 17. Nb3 b6 18. Qc2 Ndf8 19. Qxc6 Be6 20. Qc2 Rec8 21. Qe2 Rc7 22. f5 Bd7 23. Rf3 Ba4 24. Bf2 Bxb3 25. axb3 Ng5 26. Rg3 Rac8 27. h4 Rc1+ 28. Rxc1 Rxc1+ 29. Kh2 Ne4 30. Bxe4 dxe4 31. Qxe4 Qb5 32. Qd3 Qd5 33. Qe3 Rc6 34. Qf3 Qxf3 35. Rxf3 Rc2 36. Kg3 Rd2 37. Kf4 g6 38. g4 a5 39. Ke4 b5 40. Kd5 a4 41. bxa4 bxa4 42. e6 fxe6+ 43. fxe6 Re2 44. Re3 Nxe6 45. Rxe6 Rxf2 46. Rxg6+ Kh7 47. Ra6 Rf4 48. g5 h5 49. Ke5 Rxh4 50. d5 Rg4 51. Kf5 Rd4 52. Ra7+ Kg8 53. Kg6 Kf8 54. Kh7 Rg4 55. g6 h4 56. g7+ Rxg7+ 57. Rxg7 h3 58. Rg3 h2 59. Rh3 Ke7 60. Rxh2 Kd6 1-0

[Event "Karvina op"]
[Site "Karvina"]
[Date "2007.??.??"]
[Round "5"]
[White "Snopek, Jiri"]
[Black "Tretina, Zdenek"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1948"]
[BlackElo "1865"]
[PlyCount "30"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 c5 4. g3 Nc6 5. Bg2 e5 6. 0-0 Nf6 7. Nbd2 Be7 8. Ng5 Qc7 9. Nge4 b6 10. Nxf6+ Bxf6 11. Ne4 Be7 12. Ng5 h6 13. Nh3 Bb7 14. f4 0-0 15. f5 Nb4 1/2-1/2

[Event "Karvina op"]
[Site "Karvina"]
[Date "2007.??.??"]
[Round "7"]
[White "Stukner, Simon"]
[Black "Tretina, Zdenek"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2105"]
[BlackElo "1875"]
[PlyCount "31"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 b5 11. Bxf6 Bxf6 12. Ndxb5 axb5 13. Nxb5 Bxb2+ 14. Kxb2 Rb8 15. Ka1 0-0 16. Nxc7 1-0

[Event "Karvina op"]
[Site "Karvina"]
[Date "2007.??.??"]
[Round "6"]
[White "Tretina, Zdenek"]
[Black "Cervenka, Roman"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "1875"]
[BlackElo "1975"]
[PlyCount "30"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. a3 Nf6 6. Nc3 g6 7. b4 a6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Bd7 11. Bb2 e6 12. e3 Rc8 13. Rc1 Ne7 14. Re1 Nf5 15. Ne5 Nd6 1/2-1/2

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2007.??.??"]
[Round "1"]
[White "Tretina, Zdenek"]
[Black "Danes, Jaroslav"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1875"]
[BlackElo "2195"]
[PlyCount "52"]
[EventDate "2007.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. a4 Bb4 7. Bxf6 Qxf6 8. e3 0-0 9. Bxc4 Nd7 10. 0-0 e5 11. Ne4 Qe7 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qc2 Bf5 15. Bd3 g6 16. b3 Rad8 17. Rad1 a5 18. Ng3 Bg4 19. Be2 Be6 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Qxd1 b5 23. axb5 cxb5 24. Qd3 a4 25. Qxb5 Qxb5 26. Bxb5 a3 0-1

