[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.14"]
[Round "9"]
[White "Lorenc, David"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1655"]
[BlackElo "1615"]
[PlyCount "19"]
[EventDate "2009.03.07"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nb4 6. Nxd4 Nfxd5 7. exd5 Nxd5 8. Nf5 c6 9. Qe2+ Ne7 10. Nd6# 1-0

[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.13"]
[Round "8"]
[White "Hatas, Ondrej"]
[Black "Rezac, Jindrich"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1615"]
[BlackElo "1784"]
[PlyCount "150"]
[EventDate "2009.03.07"]
[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 Nc6 3. d4 cxd4 4. Nxd4 d6 5. f4 Nf6 6. Nc3 g6 7. h3 Bg7 8. Bc4 Qb6 9. Nxc6 bxc6 10. Rb1 Ba6 11. Qe2 Bxc4 12. Qxc4 0-0 13. Qd3 Nd7 14. Be3 Qc7 15. 0-0 f5 16. Qc4+ Kh8 17. Bd4 Bxd4+ 18. Qxd4+ e5 19. fxe5 dxe5 20. Qc4 Qb6+ 21. Kh1 Rae8 22. Qd3 Nc5 23. Qe2 f4 24. b3 Ne6 25. Qg4 Qe3 26. Qf3 Qxf3 27. Rxf3 Nd4 28. Rf2 Rf7 29. Na4 Ref8 30. c3 Ne6 31. Rd1 Ng5 32. Nc5 f3 33. gxf3 Rxf3 34. Rxf3 Rxf3 35. h4 Rh3+ 36. Kg2 Rxh4 37. Kg3 Rf4 38. Rd7 Nxe4+ 39. Nxe4 Rxe4 40. Rd8+ Kg7 41. Rd7+ Kh6 42. Rxa7 Re3+ 43. Kf2 Rxc3 44. Ra5 e4 45. Ke2 g5 46. Re5 Rc2+ 47. Ke3 Rxa2 48. Re6+ Kh5 49. Rxc6 g4 50. Kxe4 g3 51. Kf3 g2 52. Rc1 Kh4 53. Rc4+ Kh3 54. Rc5 g1N+ 55. Kf4 Rf2+ 56. Ke3 Rf3+ 57. Ke4 Rf7 58. b4 Kg4 59. b5 Rb7 60. Kd5 Rb6 61. Rc4+ Kf5 62. Kc5 Rb8 63. Rb4 Ke6 64. b6 Nf3 65. b7 Ne5 66. Kb6 Nd7+ 67. Kc7 Rh8 68. Rd4 Nb8 69. Rd6+ Ke5 70. Rd1 h5 71. Ra1 h4 72. Ra8 h3 73. Rxb8 Rh7+ 74. Kb6 h2 75. Re8+ Kf5 1-0

[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.12"]
[Round "7"]
[White "Hatas, Ondrej"]
[Black "Ondracka, Vaclav"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1615"]
[BlackElo "1574"]
[PlyCount "62"]
[EventDate "2009.03.07"]
[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 g6 6. f4 Nc6 7. Nf3 Bg7 8. h3 0-0 9. Bc4 a6 10. Be3 b5 11. Bb3 b4 12. Na4 Bb7 13. Nd2 e6 14. a3 bxa3 15. Rxa3 Ne7 16. Qe2 d5 17. Bb6 Qd7 18. Bc5 Qc7 19. e5 Nh5 20. Qf2 Nxf4 21. Qxf4 Bxe5 22. Qb4 Rfe8 23. 0-0 Bh2+ 24. Kh1 Nf5 25. Rf3 d4 26. Rd3 Ne3 27. Rxe3 dxe3 28. Nf3 Bxf3 29. gxf3 Qg3 30. Qg4 e2 31. Bb4 Rad8 0-1

[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.11"]
[Round "6"]
[White "Mensik, Frantisek"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1617"]
[BlackElo "1615"]
[PlyCount "41"]
[EventDate "2009.03.07"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Ne5 6. Bxf7+ Nxf7 7. Nxf7 Kxf7 8. Qh5+ Ke7 9. Qxc5+ d6 10. Qxd4 Nf6 11. 0-0 Rf8 12. Nc3 Kf7 13. Nd5 c5 14. Qd3 h6 15. Nxf6 Qxf6 16. Qd5+ Kg6 17. Bd2 Kh7 18. Bc3 Qe7 19. Rad1 Rd8 20. e5 Bg4 21. Qe4+ 1-0

[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.10"]
[Round "5"]
[White "Stransky, Vojtech"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1527"]
[BlackElo "1615"]
[PlyCount "85"]
[EventDate "2009.03.07"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 Bb6 8. Bf3 0-0 9. 0-0 Re8 10. Na3 Ng6 11. Nc4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qxd4 14. cxd4 Nh4 15. Ne3 Nxf3+ 16. gxf3 c6 17. Nf5 Re6 18. Rfe1 d6 19. Kh1 Kf8 20. Rad1 Rf6 21. Nh4 Rf4 22. Ng2 Rxf3 23. Kg1 Bh3 24. d5 c5 25. e5 dxe5 26. Rxe5 Re8 27. Rxe8+ Kxe8 28. Ne3 Rf6 29. Rc1 Rg6+ 30. Kh1 b6 31. Rc4 h6 32. Rh4 Bc8 33. Ra4 a5 34. Re4+ Kd8 35. Re5 Bb7 36. h4 Rd6 37. Kh2 f6 38. Rh5 Ke8 39. Kg3 Kf7 40. Kf3 Bc8 41. Ke4 Kg6 42. Nf5 Rd8 43. d6 0-1

[Event "CZE-ch Juniors op-B"]
[Site "Kouty nad Desnou"]
[Date "2009.03.09"]
[Round "4"]
[White "Hatas, Ondrej"]
[Black "Oplustil, Vladimir"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1615"]
[BlackElo "1831"]
[PlyCount "59"]
[EventDate "2009.03.07"]
[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 g6 6. h3 Bg7 7. Be3 Nc6 8. f4 Bd7 9. Bc4 Rc8 10. Bb3 a6 11. 0-0 0-0 12. f5 Ne5 13. Nf3 Rxc3 14. bxc3 Nxe4 15. fxg6 Nxg6 16. Bd4 Nxc3 17. Qe1 Nb5 18. Bxg7 Kxg7 19. a4 Qb6+ 20. Kh1 Nc7 21. Nh4 Qc6 22. Nxg6 hxg6 23. Qxe7 Bf5 24. Rf3 d5 25. Qg5 f6 26. Qg3 Qd7 27. Rxf5 Qxf5 28. Qxc7+ Rf7 29. Qc5 Rd7 30. Rd1 1-0

[Event "Litomysl op 10th"]
[Site "Litomysl"]
[Date "2008.12.28"]
[Round "4"]
[White "Hatas, Ondrej"]
[Black "Sokolski, Aleksander"]
[Result "1-0"]
[ECO "B05"]
[BlackElo "1907"]
[PlyCount "103"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4 Nf6 5. Nf3 Bg4 6. Be2 Nc6 7. c3 e6 8. Nbd2 Bd6 9. Bg3 0-0 10. 0-0 a6 11. h3 Bxf3 12. Nxf3 Bxg3 13. fxg3 Ne4 14. Qe1 Qd6 15. Kh2 Ne7 16. Bd3 f5 17. b3 Rf6 18. c4 Rg6 19. Bxe4 fxe4 20. Ne5 Rf6 21. Rxf6 gxf6 22. Ng4 Kf7 23. Qf2 Nf5 24. cxd5 Qxd5 25. Rc1 Rd8 26. Qf4 Rd7 27. Nh6+ Kg6 28. Ng8 Qxd4 29. Rc8 e3 30. Qf3 Qd1 31. Qf4 Kf7 32. Nh6+ Kg6 33. Nxf5 exf5 34. Qxe3 Kg7 35. Qe6 Qd6 36. Rg8+ Kh6 37. Qxf5 Rg7 38. Rxg7 Kxg7 39. Qg4+ Kf7 40. Qe4 Kg7 41. Qxb7+ Kg6 42. a4 h5 43. Qe4+ f5 44. Qf4 Qe6 45. Qc4 Qd6 46. b4 Kf6 47. b5 axb5 48. axb5 Ke7 49. Qe2+ Kf6 50. Qxh5 Ke5 51. Qf3 Kf6 52. Qc6 1-0

[Event "CZE-ch U16"]
[Site "Sec u Chrudimi"]
[Date "2008.10.29"]
[Round "6"]
[White "Marek, Michal"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1688"]
[BlackElo "1543"]
[PlyCount "59"]
[EventDate "2008.10.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 0-0 10. d5 Na5 11. Bd3 Nc5 12. Bc2 d6 13. c4 Nxc4 14. Bxh7+ Kxh7 15. Ng5+ Kg8 16. Qc2 g6 17. Qxc4 Qf6 18. Rb1 Bf5 19. Rb4 Rfe8 20. Qh4 Nd3 21. Rxb7 Nxc1 22. Rxc1 Rec8 23. h3 Kg7 24. Qh7+ Kf8 25. Qh4 Kg7 26. Rbxc7 Rxc7 27. Rxc7 Qa1+ 28. Kh2 Qe5+ 29. g3 Rh8 30. Nxf7 1-0

[Event "CZE-ch U16"]
[Site "Sec u Chrudimi"]
[Date "2008.10.25"]
[Round "1"]
[White "Chmel, Kristian"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1918"]
[BlackElo "1543"]
[PlyCount "41"]
[EventDate "2008.10.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. Re1 0-0 7. h3 d6 8. c3 Be6 9. d4 exd4 10. cxd4 Bb4 11. Nc3 d5 12. e5 Ne4 13. Re3 f6 14. Nxe4 dxe4 15. Rxe4 fxe5 16. Bxc6 bxc6 17. Bg5 Qe8 18. d5 Bxd5 19. Rxb4 Qg6 20. Rg4 e4 21. Be7 1-0

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.30"]
[Round "9"]
[White "Hatas, Ondrej"]
[Black "Blumel, Michal"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "1437"]
[BlackElo "1675"]
[PlyCount "71"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5 Na6 9. Nf4 Qg4 10. Bh3 Qxh3 11. Nxh3 Nxh1 12. Nf4 Bg4 13. Ke2 0-0-0 14. Qxh1 g5 15. Ng2 f6 16. h3 Bh5 17. Nge1 Re8 18. Kd2 fxe5 19. b3 e4 20. dxe4 Rxe4 21. Bb2 Bb4+ 22. Bc3 Rd8+ 23. Nd3 Ba3 24. Re1 Rf4 25. Rf1 Nc5 26. Nxg5 Nxd3 27. cxd3 Re8 28. Ne4 Rh4 29. Bf6 Bb4+ 30. Kc2 Rhxe4 31. dxe4 Bg6 32. Rf4 Re6 33. Kb2 Rd6 34. Bc3 Bc5 35. Qf3 Kd7 36. Rf6 1-0

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.29"]
[Round "8"]
[White "Mates, Miroslav"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1661"]
[BlackElo "1437"]
[PlyCount "82"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. Ne2 Bxf3 8. gxf3 Nf6 9. dxe5 Bxe5 10. c3 Nd7 11. f4 Bd6 12. Be3 Qe7 13. e5 Bc5 14. Nd4 0-0-0 15. Qg4 g6 16. 0-0-0 Kb8 17. Nc2 Bxe3+ 18. fxe3 Nc5 19. Qe2 Qe6 20. Kb1 Ne4 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Qxd1 b6 24. Nb4 Qc4 25. Qd3 Qxd3+ 26. Nxd3 Nd2+ 27. Kc2 Nf1 28. e4 Nxh2 29. Nf2 h5 30. Kd3 Kc8 31. Ke3 Kd7 32. Nh3 Ke8 33. f5 f6 34. e6 g5 35. b4 Ng4+ 36. Kd4 Ne5 37. Nxg5 c5+ 38. bxc5 bxc5+ 39. Kxc5 fxg5 40. Kd5 Ng4 41. e5 h4 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.28"]
[Round "7"]
[White "Hatas, Ondrej"]
[Black "Silhavy, Josef"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1437"]
[BlackElo "1633"]
[PlyCount "10"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 b5 5. f4 Nc6 1-0

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.27"]
[Round "6"]
[White "Studzinski, Brunon"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1000"]
[BlackElo "1437"]
[PlyCount "48"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 e6 4. d5 exd5 5. cxd5 Nb4 6. e4 d6 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. 0-0 f5 10. Nc3 Nf6 11. a3 fxe4 12. axb4 exf3 13. Qxf3 cxb4 14. Nd1 Be7 15. Qb3 a5 16. Ne3 0-0 17. Nc4 Qb5 18. Rd1 Kh8 19. Qd3 Ng4 20. Be3 Nxe3 21. fxe3 a4 22. e4 Qc5+ 23. Qe3 Qxc4 24. Rac1 Qb5 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.26"]
[Round "5"]
[White "Hatas, Ondrej"]
[Black "Silhanek, Jindrich"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1437"]
[BlackElo "1763"]
[PlyCount "42"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Be2 Qb6 9. Na4 Qa5+ 10. c3 cxd4 11. Nxd4 Nxd4 12. Bxd4 b5 13. Nc5 Qc7 14. Nd3 Be7 15. 0-0 Nc5 16. Nxc5 Bxc5 17. Qe1 0-0 18. Qf2 Be7 19. Qg3 f5 20. b4 Bd7 21. Rad1 Rac8 1/2-1/2

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.25"]
[Round "4"]
[White "Filip, Vojtech"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C22"]
[WhiteElo "1100"]
[BlackElo "1437"]
[PlyCount "82"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd5 Nf6 5. Qf5 d5 6. exd5 Bxf5 7. dxc6 Qe7+ 8. Be2 bxc6 9. c3 Nd5 10. h3 Qh4 11. Nf3 Qe4 12. Nbd2 Qa4 13. 0-0 Bd6 14. b3 Qa5 15. c4 Nf6 16. Re1 0-0 17. Bb2 Bb4 18. Red1 Bxd2 19. Rxd2 Ne4 20. Rdd1 Nc3 21. Bxc3 Qxc3 22. Kf1 Rad8 23. Rac1 Rxd1+ 24. Rxd1 h6 25. Re1 Re8 26. Kg1 Bd3 27. Bxd3 Rxe1+ 28. Nxe1 Qxe1+ 29. Kh2 Qxf2 30. Be4 Qf4+ 31. g3 Qxe4 32. a4 Kh7 33. a5 Kg6 34. a6 Kg5 35. c5 Qe2+ 36. Kg1 Qf3 37. Kh2 Qf2+ 38. Kh1 Qxg3 39. b4 Kh4 40. b5 Kxh3 41. bxc6 Qh2# 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.24"]
[Round "3"]
[White "Hatas, Ondrej"]
[Black "Brhlik, Antonin"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1437"]
[BlackElo "1682"]
[PlyCount "38"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 0-0 8. Bc4 d6 9. a3 Bxc3 10. Bxc3 Nxe4 11. Bd2 Bg4 12. Bd5 Nxd2 13. Qxd2 Ne7 14. 0-0 Nxd5 15. Qxd5 Qc7 16. h3 Be6 17. Qe4 f5 18. Qb4 Rac8 19. Nxe5 a5 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.24"]
[Round "2"]
[White "Pychova, Nela"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1250"]
[BlackElo "1437"]
[PlyCount "96"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 Bd6 6. Nc3 Bg4 7. h3 Bh5 8. Be3 Qd7 9. Qe2 Ne7 10. a3 f6 11. Na2 Bf7 12. Nc1 g6 13. Nd2 0-0-0 14. Ncb3 f5 15. exf5 gxf5 16. f3 Rhg8 17. 0-0-0 Nd5 18. Rhg1 Be7 19. Bf2 Nf4 20. Qf1 Bg5 21. Bg3 Bxb3 22. Bxf4 Bxf4 23. cxb3 Qxd3 24. Qxd3 Rxd3 25. Kc2 Rgd8 26. Nc4 Rxd1 27. Rxd1 Rxd1 28. Kxd1 Kd7 29. Ke2 h5 30. Kf2 h4 31. Na5 b6 32. Nc4 Ke6 33. Ke2 Kd5 34. Kd3 b5 35. Nd2 Bxd2 36. Kxd2 Kd4 37. Ke2 e4 38. fxe4 fxe4 39. Ke1 c5 40. Ke2 e3 41. Ke1 Kd3 42. Kd1 e2+ 43. Ke1 a5 44. b4 cxb4 45. axb4 axb4 46. b3 c6 47. Kf2 Kd2 48. Kf3 e1Q 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2008.08.23"]
[Round "1"]
[White "Hatas, Ondrej"]
[Black "Kalvach, Ladislav"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1437"]
[BlackElo "1881"]
[PlyCount "52"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 e5 6. fxe5 dxe5 7. Nf3 exd4 8. Nxd4 Qb6 9. Nb3 Bb4 10. Na4 Bxd2+ 11. Qxd2 Qc7 12. Qb4 Qf4 13. Nc3 Qe3+ 14. Be2 Bg4 15. Rf1 Nbd7 16. h3 Bxe2 17. Nxe2 c5 18. Qxb7 0-0 19. Rf3 Qg5 20. Rg3 Qh4 21. 0-0-0 Nxe4 22. Rg4 Qh6+ 23. Rf4 Ndf6 24. Kb1 Rfe8 25. a3 a5 26. Rff1 a4 0-1

[Event "CZE-ch U16"]
[Site "Sec u Chrudimi"]
[Date "2007.10.21"]
[Round "2"]
[White "Hatas, Ondrej"]
[Black "Safarik, Jakub"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1498"]
[BlackElo "1772"]
[PlyCount "28"]
[EventDate "2007.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Qd3 Bxc3+ 8. bxc3 d5 9. exd5 e4 10. Qe3 0-0 11. dxc6 exf3 12. Qxf3 Re8+ 13. Be3 Qa5 14. Bd3 Qxc3+ 0-1

[Event "CZE-ch U16"]
[Site "Sec u Chrudimi"]
[Date "2007.10.20"]
[Round "1"]
[White "Sabolova, Gabriela"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1780"]
[BlackElo "1498"]
[PlyCount "64"]
[EventDate "2007.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 Nf6 6. d3 d6 7. h3 Bd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 0-0 11. c3 Qe8 12. Bc2 Nh5 13. Bh2 f5 14. exf5 Bxf5 15. g4 Bd7 16. d4 exd4 17. cxd4 Rxf3 18. Qxf3 Nxd4 19. Qd3 Nf6 20. Bb3+ Nxb3 21. Qxb3+ Kg7 22. Nc3 Qc8 23. Rfe1 Bc6 24. Re7+ Kh8 25. Qf7 Qf8 26. Rxc7 Re8 27. Rd1 a5 28. Bg3 Nd7 29. Qxf8+ Rxf8 30. Rd3 Nb6 31. a3 Re8 32. Rf7 Re1+ 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.09.02"]
[Round "9"]
[White "Zimovcak, Zdenek"]
[Black "Hatas, Ondrej"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "104"]
[EventDate "2007.08.25"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Bg4 6. Qb3 Bh5 7. Qxb7 Na5 8. Qb5+ c6 9. Qa4 Ne7 10. Nbd2 Nxc4 11. Qxc4 0-0 12. d4 exd4 13. cxd4 Bb6 14. Qd3 f5 15. 0-0 fxe4 16. Qxe4 Bg6 17. Qe6+ Bf7 18. Qg4 Bg6 19. Nb3 Nd5 20. Bg5 Qe8 21. Rfe1 Qf7 22. Qe6 Bh5 23. Nfd2 a5 24. a4 Nb4 25. Qxf7+ Rxf7 26. Re6 Nc2 27. Rc1 Nxd4 28. Nxd4 Bxd4 29. Be3 Bxb2 30. Rxc6 Ba3 31. Ne4 Bg4 32. Rexd6 Bxd6 33. Rxd6 Be2 34. f3 Re8 35. Rd4 Rfe7 36. Kf2 Ba6 37. Nc5 Rxe3 38. Nxa6 Re2+ 39. Kg3 Rc2 40. Rd5 Rc4 41. Nc5 Rc8 42. Nd7 Rxa4 43. Nb6 Rcc4 44. Nxc4 Rxc4 45. Rxa5 Rc6 46. f4 Rc3+ 47. Kg4 Rc2 48. Kh3 Kf7 49. f5 Rd2 50. Kg3 Rd3+ 51. Kf4 Rd4+ 52. Kf3 Rd3+ 1/2-1/2

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.09.01"]
[Round "8"]
[White "Vlcek, Vilem"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "30"]
[EventDate "2007.08.25"]
[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 e5 2. Ne2 Nc6 3. d4 d6 4. Nbc3 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Bg7 8. d5 Ne7 9. f3 c6 10. Bf2 Qa5 11. a3 cxd5 12. b4 Qc7 13. exd5 Bf5 14. Ra2 0-0 15. Nb5 Qd7 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.31"]
[Round "7"]
[White "Hatas, Ondrej"]
[Black "Luxemburk, Jan"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "25"]
[EventDate "2007.08.25"]
[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 e5 2. Nc3 Nf6 3. f4 Bb4 4. fxe5 Bxc3 5. bxc3 Nxe4 6. Qf3 Ng5 7. Qg3 Nc6 8. d4 d6 9. h4 Ne4 10. Qxg7 Rf8 11. Qxh7 Ng3 12. Rh3 Nxf1 13. Bh6 1-0

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.30"]
[Round "6"]
[White "Fojtu, Jiri"]
[Black "Hatas, Ondrej"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "59"]
[EventDate "2007.08.25"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. 0-0 Bg4 7. Bg5 h6 8. Bd2 Nd4 9. Be3 Nxf3+ 10. gxf3 Bh3 11. Re1 Qe7 12. Kh1 Qd7 13. Rg1 g5 14. d4 exd4 15. Bxd4 Rg8 16. b4 Bxd4 17. Qxd4 Nh5 18. Nd5 g4 19. f4 c6 20. Nf6+ Nxf6 21. Qxf6 a6 22. Rad1 Rd8 23. Qxh6 Rg6 24. Qh8+ Ke7 25. Qh4+ Kf8 26. Qh8+ Rg8 27. Qh6+ Rg7 28. Qh8+ Rg8 29. Qh6+ Rg7 30. Qh8+ 1/2-1/2

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.29"]
[Round "5"]
[White "Hatas, Ondrej"]
[Black "Brezinova, Jana"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "58"]
[EventDate "2007.08.25"]
[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 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nc6 5. Nf3 Bg4 6. h3 Bh5 7. a3 Nge7 8. g4 Bg6 9. Qe2 Qd7 10. Be3 Bb6 11. 0-0-0 0-0-0 12. d4 exd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. Rxd4 Nc6 16. Rd2 f6 17. f4 Qe7 18. h4 h6 19. f5 Bf7 20. Nd5 Qf8 21. Rh3 Ne5 22. Rc3 Rd7 23. Rd4 Kd8 24. Bb3 Qg8 25. Qb5 c6 26. Qa5+ b6 27. Qa4 cxd5 28. Qa6 Ke7 29. Rc8 Qxc8 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.27"]
[Round "3"]
[White "Hatas, Ondrej"]
[Black "Silhavy, Josef"]
[Result "1/2-1/2"]
[ECO "B84"]
[BlackElo "1655"]
[PlyCount "53"]
[EventDate "2007.08.25"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Be3 Qc7 7. Be2 Nf6 8. 0-0 d6 9. f4 e5 10. Nf3 Be7 11. Kh1 exf4 12. Bxf4 h6 13. Nd5 Nxd5 14. exd5 Ne5 15. b3 0-0 16. c4 b6 17. Rc1 a5 18. Qe1 Ng6 19. Bd2 Bf6 20. Qg3 Kh8 21. h4 Qe7 22. h5 Ne5 23. Rce1 Nxf3 24. Bxf3 Be5 25. Bf4 Re8 26. Bg4 Bxf4 27. Qxf4 1/2-1/2

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.26"]
[Round "2"]
[White "Misicko, Jan"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2084"]
[PlyCount "72"]
[EventDate "2007.08.25"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd6 8. 0-0 Bg4 9. h3 Bh5 10. Ne4 Qe6 11. d3 0-0-0 12. Be3 h6 13. Qe2 f5 14. Ng3 Bxf3 15. Qxf3 f4 16. Bxf4 exf4 17. Rfe1 Qg6 18. Qxf4 Bd6 19. Qf3 Nd4 20. Qg4+ Qxg4 21. hxg4 Nxc2 22. Rac1 Nxe1 23. Rxe1 Bxg3 24. fxg3 Rxd3 25. Kh2 h5 26. Kh3 Rd4 27. Kh2 Rxg4 28. Re3 h4 29. gxh4 Rgxh4+ 30. Rh3 Rxh3+ 31. gxh3 Rd8 32. Kg3 Rd2 33. h4 Rxb2 34. h5 Rb6 35. Kg4 Rf6 36. Kh4 c5 0-1

[Event "Ricany op-B"]
[Site "Ricany"]
[Date "2007.08.25"]
[Round "1"]
[White "Hatas, Ondrej"]
[Black "Simurdova, Zdenka"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1685"]
[PlyCount "72"]
[EventDate "2007.08.25"]
[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 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nc6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Qe2 Nge7 9. Be3 Bb4 10. Qd2 Qd7 11. 0-0-0 0-0-0 12. Ng5 Rhf8 13. f4 exf4 14. Bxf4 h6 15. Nf3 f6 16. a3 Ba5 17. b4 Bb6 18. Na4 Ne5 19. Nxb6+ axb6 20. Bxe5 fxe5 21. Rdf1 Bf7 22. Qc3 Qc6 23. Nd2 Bg8 24. Qb3 Bxc4 25. Nxc4 Ng6 26. Ne3 Nf4 27. Nf5 Qd7 28. Rf3 Rf6 29. Rhf1 Rdf8 30. Kd1 Ne6 31. Qc3 Ng5 32. R3f2 g6 33. h4 Nh7 34. g5 hxg5 35. hxg5 Nxg5 36. Rg2 Ne6 0-1

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "1"]
[White "Hatas, Ondrej"]
[Black "Kadlec, Antonin"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1655"]
[PlyCount "65"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 d6 3. Nf3 Bg4 4. Bc4 Nc6 5. h3 Bh5 6. d3 Na5 7. Bb3 Nxb3 8. axb3 Nf6 9. Be3 a6 10. 0-0 h6 11. Qe2 c5 12. Rfd1 g5 13. g4 Bg6 14. Nd2 d5 15. exd5 Nxd5 16. Qf3 Nxe3 17. Qxe3 Qd4 18. Qe2 Bg7 19. Nf3 Qd6 20. d4 0-0 21. dxe5 Qc6 22. Rd6 Qc7 23. Nd5 Qb8 24. Rd1 Re8 25. Nb6 Ra7 26. e6 fxe6 27. Rxe6 Rxe6 28. Qxe6+ Bf7 29. Qe7 Qf4 30. Kg2 Bf6 31. Rd8+ Kg7 32. Qf8+ Kg6 33. Rd7 1-0

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "7"]
[White "Hatas, Ondrej"]
[Black "Kuba, M."]
[Result "1-0"]
[ECO "B56"]
[PlyCount "48"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Nxc6 bxc6 8. Bf4 Qb6 9. Qd2 Qxb2 10. Rd1 g6 11. Bc4 Bg7 12. Ne2 0-0 13. f3 Ne5 14. Bb3 Ba6 15. 0-0 Qa3 16. Rfe1 Nd7 17. Be3 Nc5 18. Ng3 Rfb8 19. f4 Nxb3 20. cxb3 Qb4 21. Qc1 c5 22. Bd2 Qd4+ 23. Be3 Qc3 24. Qa3 Qb4 1-0

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "9"]
[White "Hatas, Ondrej"]
[Black "Riha, Frantisek"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "102"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Bb4 5. Bd2 Nf6 6. Nf3 0-0 7. h3 a6 8. Bd3 Bxc3 9. Bxc3 Ne4 10. 0-0 Nc6 11. Re1 Bf5 12. Nd2 Nxc3 13. bxc3 Bxd3 14. cxd3 Ne7 15. Qf3 c6 16. Nb3 b6 17. a4 a5 18. Qg4 Ng6 19. Rab1 Rb8 20. Re3 Re8 21. Rg3 Qf6 22. Rf3 Qd6 23. Qf5 Qe6 24. Qg5 Rf8 25. Re3 Qd6 26. Rf1 Rbe8 27. Rg3 Qf4 28. Qh5 Qh4 29. Qf5 Qe7 30. f4 Qd6 31. Qg4 f5 32. Qg5 Re2 33. h4 Qe7 34. Qh5 Qxh4 35. Qxe2 Qxg3 36. Qe6+ Kh8 37. Qxc6 Nxf4 38. Rxf4 Qxf4 39. Na1 h6 40. Qxd5 Qe3+ 41. Kh2 Qxd3 42. Qd6 Rf6 43. Qd8+ Kh7 44. Qd5 Qxc3 45. Nb3 Qd3 46. Nc1 Qe4 47. Qc4 Rg6 48. g3 f4 49. Kg1 Rxg3+ 50. Kf2 Qe3+ 51. Kf1 Rg1# 0-1

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "5"]
[White "Hatas, Ondrej"]
[Black "Seibt, Josef"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "58"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 e6 5. d3 Be7 6. Be3 0-0 7. 0-0 Nc6 8. Nd2 d5 9. e5 Nxe5 10. Bf4 dxc4 11. Bxe5 cxd3 12. cxd3 Qxd3 13. Re1 Rd8 14. Re2 b6 15. Qe1 Ba6 16. Rd1 Qg6 17. Re3 Qf5 18. Rf3 Qc2 19. Ne2 Ne4 20. Bc3 Bg5 21. Nf4 Nxc3 22. bxc3 e5 23. Nh5 Rxd2 24. Rc1 Re2 25. Qd1 Qxc1 26. Qxc1 Bxc1 27. h3 Rd8 28. Rg3 Re1+ 29. Kh2 Bf4 0-1

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "3"]
[White "Hatas, Ondrej"]
[Black "Skalny, Petr"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "92"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. f4 Nf6 8. Bd3 Ng4 9. Nxc6 Bxc3+ 10. bxc3 bxc6 11. Bd2 Qb6 12. Qf3 0-0 13. h3 Nf6 14. Be3 Qb2 15. 0-0 Qxc3 16. f5 Kg7 17. Rac1 Bd7 18. Qf4 Nh5 19. Qh6+ Kg8 20. Rcd1 Qg7 21. Qg5 Nf6 22. Qh4 h5 23. Rf3 Kh8 24. Be2 gxf5 25. exf5 Rg8 26. Rf2 Qg3 27. Qf4 Qxf4 28. Bxf4 Bxf5 29. Kh2 Bxc2 30. Rd2 Bg6 31. Bf3 Rac8 32. Rfe2 Rc7 33. Bg5 Kg7 34. Re3 c5 35. Bf4 Rb8 36. Bd1 Ne4 37. Rd5 f5 38. g4 e5 39. gxf5 Bxf5 40. Bg3 Rb2+ 41. Kg1 Rxa2 42. Bxh5 Rd2 43. Rxd2 Nxd2 44. Re1 Kh6 45. Bg4 Bxg4 46. hxg4 Nf3+ 0-1

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "8"]
[White "Kampos, Frantisek"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "63"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Bg5 Bb7 8. 0-0 h6 9. Bh4 Be7 10. Nc3 g5 11. Bg3 d6 12. Qd2 Nh5 13. Ne2 Qd7 14. a4 Na7 15. Bxe5 dxe5 16. Nxe5 Qc8 17. Bxf7+ Kf8 18. Bxh5 Rg8 19. Ng6+ Ke8 20. Nxe7+ Kxe7 21. Nd4 Qd8 22. Qb4+ Kd7 23. Bg4+ Ke8 24. axb5 axb5 25. Nxb5 Nc6 26. Nd6+ cxd6 27. Qxb7 Rc8 28. Bxc8 Ne5 29. Be6 Rg6 30. Ra8 Qxa8 31. Qxa8+ Ke7 32. Bd5 1-0

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "2"]
[White "Polomis, Zdenek"]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1870"]
[PlyCount "65"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. a3 h6 6. c3 Nf6 7. a4 Bb6 8. b4 a6 9. Ba3 Bd7 10. Nbd2 0-0 11. Qb3 Qe7 12. h3 a5 13. b5 Na7 14. Nf1 Rae8 15. Ng3 Qd8 16. Rb1 Be6 17. Bxe6 Rxe6 18. 0-0 Qd7 19. c4 Rc8 20. Rfc1 c5 21. bxc6 Rxc6 22. Ne2 Re8 23. Nc3 Nh5 24. Nd5 Nc8 25. Qb5 Re6 26. Nxb6 Nxb6 27. c5 Nc8 28. Qxb7 Rc7 29. Qb5 Rc6 30. cxd6 Nxd6 31. Qxc6 Qd8 32. Bxd6 Rxd6 33. Qc8 1-0

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "6"]
[White "Steinbach, Jan"]
[Black "Hatas, Ondrej"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "114"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bd2 Be6 9. 0-0-0 Ke7 10. Kb1 Rhd8 11. Be2 Rd7 12. a3 Bc5 13. f4 Rad8 14. Kc1 Ng4 15. f5 Bxf5 16. exf5 Nf2 17. Rhe1 Nxd1 18. Kxd1 Rxd2+ 19. Kc1 Be3 20. Kb1 Bd4 21. h3 Bxc3 22. bxc3 Kf8 23. Kc1 R2d5 24. Rd1 Rxd1+ 25. Bxd1 Rd5 26. Bg4 g6 27. fxg6 fxg6 28. Be6 Re5 29. Bc4 b5 30. Bd3 Rg5 31. Be4 c5 32. Kb2 Re5 33. Ba8 a5 34. Bc6 b4 35. cxb4 axb4 36. axb4 cxb4 37. Kb3 Rc5 38. Be4 Re5 39. Bc6 Re6 40. Ba4 c5 41. Kc4 Re5 42. Bb3 Ke7 43. Ba4 Kd6 44. Bb3 Re2 45. g3 Re3 46. Kb5 Rxg3 47. Bg8 Rxh3 48. Kc4 Re3 49. Bxh7 g5 50. Bf5 g4 51. Bxg4 Re4+ 52. Kb5 Rxg4 53. c3 bxc3 54. Kb6 Rb4+ 55. Ka6 Kc7 56. Ka5 Kc6 57. Ka6 Ra4# 0-1

[Event "Klatovy op-B"]
[Site "Klatovy"]
[Date "2005.??.??"]
[Round "4"]
[White "Stross, S."]
[Black "Hatas, Ondrej"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "101"]
[EventDate "2005.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nc3 d6 5. h3 Nf6 6. Nf3 Be6 7. Bxe6 fxe6 8. Bg5 0-0 9. Qd2 Qd7 10. a3 a5 11. 0-0 h6 12. Bh4 Nh5 13. Ne2 Qe8 14. Nh2 Qg6 15. Ng4 Rf7 16. Kh1 Raf8 17. c3 d5 18. exd5 exd5 19. b4 axb4 20. axb4 Bd6 21. b5 Ne7 22. c4 d4 23. c5 Bxc5 24. Nxe5 Qe6 25. Nxf7 Rxf7 26. Ra8+ Kh7 27. Qa2 Qg6 28. Qc4 Bd6 29. Nxd4 b6 30. Ne2 Nf5 31. Qg4 Qe6 32. Qxh5 Ne3 33. Nd4 Qd7 34. Re1 Nd5 35. Qe2 Nc3 36. Qe6 Qxe6 37. Nxe6 Nxb5 38. Bg3 Bb4 39. Rb1 c5 40. Nf8+ Kh8 41. Nd7+ Kh7 42. Nxb6 Nd4 43. Be5 Ne6 44. d4 Bc3 45. Nd5 cxd4 46. Nxc3 dxc3 47. Bxc3 Rc7 48. Be5 Rc5 49. f4 Rd5 50. Ra6 Nc7 51. Bxc7 1-0

