[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "2"]
[White "Divis, Martin"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1676"]
[PlyCount "105"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d3 d5 6. Nbd2 e5 7. e4 dxe4 8. dxe4 Bg4 9. h3 Be6 10. Ng5 Qd7 11. f4 0-0-0 12. Nxe6 Qxe6 13. f5 Qd6 14. c3 Bh6 15. Rf2 Rd7 16. Qf3 Rf8 17. Nf1 Bxc1 18. Rxc1 Qd3 19. Ne3 gxf5 20. exf5 Rfd8 21. Rd1 Qb5 22. Rxd7 Rxd7 23. Qe2 Qxe2 24. Rxe2 Rd3 25. Bxc6 bxc6 26. Nf1 e4 27. Rd2 Rd5 28. Rxd5 cxd5 29. b4 Kd7 30. Kf2 Kd6 31. Ke3 Ke5 32. g4 h5 33. g5 Nd7 34. c4 d4+ 35. Ke2 h4 36. g6 fxg6 37. fxg6 Kf6 38. Nd2 Kf5 39. g7 Nf6 40. a4 Kf4 41. c5 d3+ 42. Ke1 e3 43. Nf1 e2 44. Nd2 Ke3 45. b5 Ng8 46. a5 Kf4 47. b6 cxb6 48. cxb6 axb6 49. axb6 Kg3 50. b7 Kxh3 51. b8Q Kg2 52. Qxg8 h3 53. Qh8 1-0

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "7"]
[White "Fojtu, Jan"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "1439"]
[PlyCount "127"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. h3 Re8 10. d4 Bf8 11. Nbd2 g6 12. Bc2 Bg7 13. Nf1 Bb7 14. a3 Na5 15. Ng3 c5 16. Bg5 Nc4 17. b3 Nb6 18. Rb1 c4 19. b4 Qd7 20. Qd2 Rac8 21. Rbd1 Rcd8 22. Nh2 Qc7 23. Ng4 Nbd7 24. f4 h5 25. Nxf6+ Nxf6 26. d5 exf4 27. Qxf4 Nd7 28. Bxd8 Rxd8 29. Ne2 Ne5 30. Nd4 Re8 31. Nf3 Bc8 32. Re3 Bb7 33. a4 Bc8 34. Nd4 Bd7 35. a5 Bc8 36. Nc6 Bb7 37. Nxe5 Bxe5 38. Qf3 Bc8 39. Rf1 Rf8 40. Kh1 Qe7 41. Rg1 Qg5 42. g4 h4 43. Qf2 Bg3 44. Rgxg3 hxg3 45. Qxg3 Rd8 46. Qf2 Qh6 47. Bd1 Kg7 48. Rf3 Rf8 49. Kg2 Qc1 50. Bc2 Qh6 51. Rf6 Bf5 52. Rxd6 Rh8 53. Qf3 Qd2+ 54. Kg3 Qe1+ 55. Kh2 Bxg4 56. Qxg4 Qf2+ 57. Qg2 Qf4+ 58. Qg3 Qd2+ 59. Kh1 Qxc2 60. Qe5+ Kh7 61. Rf6 Qd1+ 62. Kg2 Qe2+ 63. Rf2 f6 64. Qe7+ 1-0

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "6"]
[White "Horsak, Jan"]
[Black "Koref, Martin"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1446"]
[PlyCount "92"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Ne7 9. Re1 Ng6 10. hxg4 hxg4 11. Nh2 Rxh2 12. Qxg4 Qh4 13. Qxh4 Rxh4 14. Nf3 Rh5 15. Be3 Bd6 16. Kf1 Ke7 17. Ke2 Rah8 18. Rad1 f6 19. d4 Rd8 20. c3 Rd7 21. Rh1 Rxh1 22. Rxh1 Rd8 23. dxe5 Nxe5 24. Nxe5 Bxe5 25. f4 Bd6 26. g4 Kf7 27. Kf3 Re8 28. Rh5 g6 29. Rh7+ Kg8 30. Rd7 Re7 31. Rxe7 Bxe7 32. b4 Kf7 33. Bd4 b6 34. e5 f5 35. gxf5 gxf5 36. Bf2 Ke6 37. Ke2 Kd5 38. Kd3 b5 39. a3 Ke6 40. Kd4 Kd7 41. c4 Bd8 42. cxb5 cxb5 43. Kd5 c6+ 44. Kc5 Kc7 45. Kd4 Kd7 46. Kc5 Kc7 1/2-1/2

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "3"]
[White "Koref, Martin"]
[Black "Konstacky, Matej"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1487"]
[PlyCount "63"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. 0-0 h6 10. Bf4 Nc6 11. Nbd2 Bf5 12. Rfe1 0-0-0 13. Nb3 g5 14. Bg3 h5 15. Nxg5 Rdg8 16. h4 Ng4 17. Bxg4 Bxg4 18. Nxf7 Rh7 19. Ng5 Bxg5 20. hxg5 Rxg5 21. Re8+ Kd7 22. Bh4 Kxe8 23. Bxg5 h4 24. Re1+ Kf7 25. Re4 Ne5 26. d4 Bf3 27. Rf4+ Ke6 28. dxe5 Bxg2 29. Nd4+ Kxe5 30. Kxg2 Rg7 31. Rg4 c5 32. Bf4+ 1-0

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "1"]
[White "Koref, Martin"]
[Black "Macicek, Jakub"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1523"]
[PlyCount "100"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. 0-0 Bg4 10. Nbd2 h6 11. Bf4 Nc6 12. c3 0-0-0 13. Rfe1 Nd5 14. Bg3 Rhe8 15. Rad1 Bf6 16. Ne4 Re7 17. Nfd2 Bf5 18. Bf3 Be5 19. d4 Bf4 20. c4 Bxd2 21. Rxd2 Rde8 22. cxd5 Bxe4 23. dxc6 Bxf3 24. Rxe7 Rxe7 25. gxf3 bxc6 26. Kf1 Kb7 27. Re2 Rd7 28. Re3 g5 29. Ke2 c5 30. d5 c6 31. Rd3 cxd5 32. Rxd5 Kc6 33. Rf5 Rb7 34. b3 d5 35. Rf6+ Kb5 36. Rxh6 c4 37. Kd2 cxb3 38. axb3 Kb4 39. Kc2 f5 40. Be5 Rd7 41. Bd4 Re7 42. Bc3+ Kc5 43. b4+ Kb5 44. Rd6 Kc4 45. Rc6+ Kb5 46. Rc5+ Kb6 47. Bd4 Rc7 48. Rxc7+ Kxc7 49. Bxa7 Kc6 50. Kc3 Kb5 1-0

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "8"]
[White "Koref, Martin"]
[Black "Steinhauser, Frantisek"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1413"]
[PlyCount "73"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Nf6 5. Nf3 Bg4 6. Qb3 Qc7 7. Bb5+ Nbd7 8. Ne5 e6 9. Bf4 Bd6 10. 0-0 0-0 11. Re1 Bf5 12. Nd2 a6 13. Bxd7 Nxd7 14. Ndf3 Nxe5 15. Bxe5 Rab8 16. Re3 b5 17. Rae1 b4 18. cxb4 Bxe5 19. Nxe5 a5 20. Rc3 Qd6 21. b5 Rfc8 22. Rec1 Rxc3 23. bxc3 f6 24. Nc6 Ra8 25. a4 Kf8 26. c4 Be4 27. c5 Qc7 28. Qe3 Qd7 29. h4 h6 30. Qe1 Qc7 31. f3 Bf5 32. g4 Bh7 33. Kg2 Bg8 34. Qg3 Qxg3+ 35. Kxg3 Ke8 36. b6 Kd7 37. b7 1-0

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "5"]
[White "Koref, Martin"]
[Black "Uricar, Jakub"]
[Result "0-1"]
[ECO "C59"]
[BlackElo "1608"]
[PlyCount "46"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. Nc3 Qd4 12. 0-0 Qxe5 13. d3 exd3 14. Bxd3 0-0 15. Re1 Qc7 16. Bd2 Ng4 17. g3 Bxf2+ 18. Kh1 Bxe1 19. Qxe1 Be6 20. Ne4 Nc4 21. Bf4 Qc8 22. Qc1 Bd5 23. h3 Nf2+ 0-1

[Event "CZE-ch U12"]
[Site "Frymburk"]
[Date "2002.??.??"]
[Round "4"]
[White "Slavicek, David"]
[Black "Koref, Martin"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "75"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 Na5 7. Bxf6 Qxf6 8. Nd5 Qd8 9. Bb3 Nxb3 10. axb3 c6 11. b4 Bxf2+ 12. Kxf2 cxd5 13. exd5 Bg4 14. c3 f5 15. h3 Bh5 16. Re1 0-0 17. Kg1 Qb6+ 18. Kh1 Rae8 19. Qd2 Bxf3 20. gxf3 Rf6 21. b3 Rh6 22. Kh2 Rf8 23. Rg1 Rff6 24. f4 e4 25. dxe4 fxe4 26. Qg2 Rfg6 27. Qxe4 Qf2+ 28. Rg2 Rxg2+ 29. Qxg2 Qxf4+ 30. Qg3 Qd2+ 31. Qg2 Qxc3 32. Rxa7 Qe5+ 33. Kh1 Qe1+ 34. Kh2 Rg6 35. Ra8+ Kf7 36. Qf3+ Rf6 37. Qh5+ Rg6 38. Qf3+ 1/2-1/2

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "2"]
[White "Homola, Jiri"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "92"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 Nge7 7. a3 Bc5 8. Nxc3 0-0 9. b4 Bb6 10. Bg5 d6 11. Nd5 Bg4 12. b5 Bxf3 13. Qxf3 Ne5 14. Nxe7+ Kh8 15. Ng6+ fxg6 16. Bxd8 Nxf3+ 17. gxf3 Raxd8 18. Kg2 Rf4 19. Bd5 Bd4 20. Rad1 Bc5 21. Rd3 b6 22. Ra1 Rdf8 23. a4 Bb4 24. Rc1 Bc5 25. Ra1 g5 26. h3 h5 27. Be6 R8f6 28. Bd7 Rf7 29. Be6 Re7 30. Bf5 Re5 31. Rc1 Kg8 32. Rcd1 Kf7 33. Rd5 Rxd5 34. Rxd5 g6 35. Bd7 Ke7 36. Bc8 Kd8 37. Be6 Rf6 38. Bg8 g4 39. Rd3 gxh3+ 40. Kxh3 Bxf2 41. Kg2 Bc5 42. Kg3 g5 43. Rd5 Be3 44. e5 Bf4+ 45. Kf2 Bxe5 46. Ke3 Rf4 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "5"]
[White "Koref, Martin"]
[Black "Alaverdyan, Argam"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "38"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. e5 Ne8 10. 0-0 d6 11. Re1 dxe5 12. dxe5 Be6 13. Qe2 g6 14. Rad1 Qe7 15. a3 a6 16. Bxe6 fxe6 17. Ne4 Rd8 18. Rxd8 Nxd8 19. Nfg5 Rf5 1-0

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "7"]
[White "Koref, Martin"]
[Black "Konstacky, Matej"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "74"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Nxc6 bxc6 10. Qd2 Be6 11. Bh6 Re8 12. Bxg7 Kxg7 13. b3 c5 14. Rad1 Qa5 15. a4 Rad8 16. Rfe1 Rc8 17. f4 c4 18. bxc4 Bxc4 19. Bxc4 Rxc4 20. Re3 Rec8 21. Ne2 Qxd2 22. Rxd2 Nxe4 23. Rdd3 Rxa4 24. g3 Rxc2 25. Kg2 a5 26. Kf3 f5 27. Ra3 Rcc4 28. Red3 Rxa3 29. Rxa3 a4 30. Ke3 Rb4 31. Kd3 Rb3+ 32. Rxb3 axb3 33. Nc3 Nxc3 34. Kxc3 e5 35. Kxb3 exf4 36. gxf4 Kf6 37. Kc4 g5 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "9"]
[White "Koref, Martin"]
[Black "Nersysian, Telman"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "55"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qa4+ c6 12. Bxd5 Qxd5 13. 0-0 0-0 14. Rfe1 b6 15. Re5 Qd6 16. Rae1 Bd7 17. Qc2 Rfe8 18. Ng5 Qh6 19. Rxe8+ Rxe8 20. Rxe8+ Bxe8 21. Qe4 Bd7 22. Qe7 g6 23. Qxf7+ Kh8 24. Qf6+ Kg8 25. Qd8+ Qf8 26. Qxd7 Qf5 27. Qxh7+ Kf8 28. Ne6+ 1-0

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "3"]
[White "Koref, Martin"]
[Black "Stachovec, Cenek"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "49"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. 0-0 Nc6 10. Nc3 Bd7 11. a3 0-0-0 12. b4 h6 13. Be3 a6 14. Rfb1 g5 15. a4 Kb8 16. b5 axb5 17. axb5 Ne5 18. Nxe5 dxe5 19. b6 cxb6 20. Bxb6 Rc8 21. Rb3 Rc6 22. Ba7+ Kc7 23. Rxb7+ Kd8 24. Bb6+ Ke8 25. Rb8+ 1-0

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "1"]
[White "Koref, Martin"]
[Black "Svoboda, Vaclav"]
[Result "1/2-1/2"]
[ECO "C42"]
[BlackElo "2048"]
[PlyCount "92"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Qxe7+ Bxe7 8. Be2 0-0 9. 0-0 Bg4 10. Nc3 Nc6 11. Re1 Rfe8 12. Nb5 Rac8 13. Nbd4 Nxd4 14. Nxd4 Bxe2 15. Rxe2 c5 16. Nf5 Rc7 17. Bg5 Rd7 18. Bxf6 gxf6 19. Rae1 Kf8 20. f4 a6 21. Kf2 b5 22. Kf3 c4 23. Nxe7 Rexe7 24. Rxe7 Rxe7 25. Rxe7 Kxe7 26. Ke4 cxd3 27. cxd3 Ke6 28. f5+ Ke7 29. Kd5 Kd7 30. b4 h5 31. d4 Kc7 32. Ke4 Kb6 33. d5 a5 34. a3 axb4 35. axb4 Kc7 36. Kf4 Kd8 37. Kg3 Ke8 38. Kh4 Kf8 39. Kxh5 Kg7 40. h4 Kh7 41. g4 Kg7 42. g5 fxg5 43. hxg5 f6 44. g6 Kg8 45. Kh6 Kh8 46. g7+ Kg8 1/2-1/2

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "6"]
[White "Kratochvil, Milan"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "76"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 d6 6. 0-0 Bg4 7. Be3 Bd4 8. h3 Bxc3 9. bxc3 Bh5 10. d4 Nf6 11. Bd3 Bg6 12. d5 Ne7 13. c4 Bxe4 14. Bxe4 Nxe4 15. Rb1 Nc3 16. Qd3 Nxb1 17. Rxb1 Rb8 18. Bxa7 Ra8 19. Rxb7 Qc8 20. Qb3 0-0 21. Be3 Rxa2 22. Rxc7 Ra1+ 23. Kh2 Qxc7 24. Qb2 Ra4 25. Nd2 Rb8 26. Qc3 Qa5 27. Qd3 Rb2 28. c5 Qa6 29. Qc3 Rb8 30. Nf3 Nxd5 31. Qd2 Nxe3 32. Qxe3 Rd8 33. cxd6 Qxd6 34. Ne1 e4+ 35. g3 Qd4 36. Qe2 Qd2 37. Qxd2 Rxd2 38. c3 Ra1 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "4"]
[White "Krejci, J."]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "78"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. Nc3 d6 7. d4 e6 8. e4 Bd7 9. d5 Ne7 10. Be3 c6 11. e5 Ne8 12. exd6 Nxd6 13. c5 Nc4 14. d6 Nf5 15. Bc1 b6 16. Qa4 Na5 17. Ne4 Nb7 18. Qb4 Rb8 19. cxb6 axb6 20. Rb1 c5 21. Qd2 Bc6 22. Nc3 Nbxd6 23. Rd1 Nb5 24. Qe2 Nxc3 25. bxc3 Qe7 26. Ne5 Bxg2 27. Kxg2 Qb7+ 28. Kg1 Rfd8 29. Bf4 Rxd1+ 30. Rxd1 Bxe5 31. Qxe5 Ra8 32. g4 Nh4 33. Kf1 Qg2+ 34. Ke2 Qxg4+ 35. Kd3 Qxd1+ 36. Kc4 Qd5+ 37. Qxd5 exd5+ 38. Kxd5 Rxa2 39. Bc7 Ra6 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2001.??.??"]
[Round "8"]
[White "Ponizil, Cyril"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "20"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. d4 d6 5. Bxf4 Bg4 6. c3 Nf6 7. Nbd2 Ne7 8. h3 Bh5 9. Qc2 b5 10. Bxb5+ Qd7 1-0

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Fencl, Pavel"]
[Black "Koref, Martin"]
[Result "1/2-1/2"]
[ECO "C66"]
[PlyCount "92"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. 0-0 Be7 6. d4 Bd7 7. Bxc6 Bxc6 8. d5 Bd7 9. Qd3 0-0 10. h3 c6 11. Bg5 cxd5 12. Nxd5 a6 13. Nxe7+ Qxe7 14. Bxf6 Qxf6 15. Rad1 Bb5 16. c4 Bc6 17. Rfe1 Rad8 18. b4 b6 19. b5 axb5 20. cxb5 Bb7 21. Qe3 d5 22. exd5 Bxd5 23. Nxe5 Rfe8 24. Ng4 Qe6 25. Qxe6 Bxe6 26. Rxd8 Rxd8 27. a4 Ra8 28. Rd1 Kf8 29. Rd6 Bxg4 30. hxg4 Rxa4 31. Rxb6 Rb4 32. Rb8+ Ke7 33. b6 Rxg4 34. b7 Rb4 35. Rg8 Rxb7 36. Rxg7 h6 37. f4 Rb6 38. g4 Rg6 39. Rxg6 fxg6 40. Kg2 g5 41. f5 Kf6 42. Kf3 h5 43. gxh5 Kxf5 44. Kg3 Kf6 45. Kg4 Kg7 46. Kxg5 Kh7 1/2-1/2

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Gablech, Imrich"]
[Black "Koref, Martin"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "38"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 Na5 7. Bb3 Nxb3 8. axb3 c6 9. Na4 Bb4+ 10. Nc3 Bg4 11. 0-0 0-0 12. Qe2 Qd7 13. Bxf6 gxf6 14. h3 Bh5 15. Nd1 Kh8 16. Ne3 Rg8 17. Nf5 Bxf3 18. Qxf3 Rg6 19. c3 Bc5 1/2-1/2

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "2"]
[White "Konig, M."]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "84"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qxf6 10. Nxe6 fxe6 11. Qh5+ Qf7 12. Qxc5 Rf8 13. f3 0-0-0 14. Bg5 Rd5 15. Qxc4 Rxg5 16. Nd2 Ne5 17. Qb3 Nxf3+ 18. Nxf3 Qxf3 19. Qxf3 Rxf3 20. Kh1 Rf2 21. Rg1 Rxc2 22. b3 e5 23. g3 e4 24. Rge1 e3 25. Red1 Rd5 26. Rd3 e2 27. a3 c5 28. Re1 Re5 29. Kg2 Kc7 30. Kf3 Kd6 31. Kf4 b5 32. h4 a5 33. g4 Kd5 34. Kf3 c4 35. bxc4+ bxc4 36. Red1 exd1Q+ 37. Rxd1 d3 38. a4 d2 39. g5 c3 40. g6 hxg6 41. h5 Rc1 42. Rxd2+ cxd2 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "4"]
[White "Koref, Martin"]
[Black "Biolek, Richard Jr"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "68"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Be6 7. Bb3 h6 8. Bxf6 Qxf6 9. Nd5 Bxd5 10. Bxd5 0-0 11. Qe2 Ne7 12. Bb3 c6 13. 0-0-0 a5 14. a4 b5 15. h4 bxa4 16. Bxa4 Rfb8 17. b3 Ba3+ 18. Kb1 Nc8 19. g4 Na7 20. g5 Qe6 21. Ka2 Nb5 22. Bxb5 Rxb5 23. Kxa3 a4 24. Kb2 axb3 25. Kc3 Rc5+ 26. Kd2 Rxc2+ 27. Ke1 Rxe2+ 28. Kxe2 Ra2+ 29. Nd2 Qg4+ 30. Ke3 b2 31. Rdg1 Qf4+ 32. Ke2 b1Q 33. Rxb1 Rxd2+ 34. Kf1 Qxf2# 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "5"]
[White "Koref, Martin"]
[Black "Cech, Bohuslav"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "80"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Bg5 Nf6 6. Nc3 0-0 7. Nd5 Be6 8. Nxf6+ gxf6 9. Bh6 Re8 10. Bb3 f5 11. 0-0 fxe4 12. dxe4 f6 13. Nh4 Kf7 14. Qh5+ Ke7 15. Bxe6 Kxe6 16. Qf5+ Ke7 17. Qxh7+ Ke6 18. Qf5+ Ke7 19. Ng6+ Kf7 20. c3 Rg8 21. Nh4 d5 22. Qh7+ Ke6 23. Qf5+ Kf7 24. Rad1 Ne7 25. Qh7+ Ke8 26. Nf5 Kd7 27. Rxd5+ Bd6 28. c4 Kc6 29. Nxe7+ Qxe7 30. Qxe7 Bxe7 31. b4 Bxb4 32. Rb1 Bd6 33. Rbb5 a6 34. Rb3 Bc5 35. g3 Rg4 36. Rf3 Rxe4 37. Rxf6+ Bd6 38. f3 Rxc4 39. Rxe5 Rb4 40. a3 Rb3 1/2-1/2

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "1"]
[White "Koref, Martin"]
[Black "Divis, Martin"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "50"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 0-0 8. 0-0 d6 9. h3 h6 10. a3 a5 11. Be3 Re8 12. d5 Bxe3 13. fxe3 Ne5 14. Nxe5 Rxe5 15. Qd3 Qe7 16. Bb3 Nxe4 17. Nxe4 Rxe4 18. Bc2 f5 19. g4 Rxe3 20. Qd1 Rxh3 21. Re1 Qh4 22. Bxf5 Qg3+ 23. Kf1 Rh1+ 24. Ke2 Rh2+ 25. Kf1 Qf2# 0-1

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "8"]
[White "Koref, Martin"]
[Black "Fic, Zbynek"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "60"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nf6 4. Nf3 d5 5. exd5 exd5 6. Bb5+ Nc6 7. Ne5 Qe7 8. Qe2 Bd7 9. Nxd7 Qxe2+ 10. Kxe2 Kxd7 11. Re1 Re8+ 12. Kf1 d4 13. Nb1 Rxe1+ 14. Kxe1 Nd5 15. c3 Nf4 16. Kf1 a6 17. Bc4 f6 18. a4 Bd6 19. d3 Na5 20. b4 Nxc4 21. dxc4 Re8 22. cxd4 Nd3 23. Bd2 Bf4 24. g3 Bxd2 25. Nxd2 cxd4 26. b5 a5 27. Nb3 Nb2 28. Nxd4 Nxc4 29. Nb3 b6 30. Rd1+ Ke7 1-0

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Hava, Petr"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "113"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nge2 Bf5 5. g3 Nb4 6. d3 N8c6 7. Nf4 e5 8. Ng2 e4 9. dxe4 Qxd1+ 10. Kxd1 Rd8+ 11. Bd2 Bg4+ 12. f3 Bxf3+ 13. Kc1 Bc5 14. a3 Na6 15. b4 Ncxb4 16. axb4 Bxb4 17. Bxa6 bxa6 18. Rg1 0-0 19. Ne3 Rd6 20. Ned5 c5 21. Bf4 Bxc3 22. Nxc3 Rb6 23. Rb1 Re8 24. e5 h6 25. h4 a5 26. Ra1 Ra6 27. Nb5 Rc8 28. Nd6 Rb8 29. Nc4 a4 30. e6 Rb4 31. e7 Re6 32. Nd2 Bd5 33. Bd6 Rb5 34. Rxa4 a5 35. c4 Rb6 36. cxd5 Re2 37. Rxa5 f6 38. Bxc5 Rb8 39. d6 Rb7 40. Ra7 Rxa7 41. Bxa7 Kf7 42. Kd1 Re6 43. Re1 Rxe1+ 44. Kxe1 Ke8 45. Nc4 Kd7 46. Nb6+ Ke8 47. Bb8 g6 48. Bc7 g5 49. d7+ Kxe7 50. d8Q+ Ke6 51. Qh8 gxh4 52. Qxh6 hxg3 53. Qh3+ f5 54. Qxg3 f4 55. Qxf4 Ke7 56. Qd6+ Ke8 57. Kd2 1-0

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Nemec, Vaclav"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "121"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Rfe1 Nb6 13. Re2 Nc6 14. Ne5 Nxd4 15. Bxf7+ Kh8 16. Bg8 Nxb3 17. Nf7+ Rxf7 18. Bxf7 Bd7 19. Nxb3 Bb5 20. Re3 Qf6 21. Rf3 Qe7 22. Nd4 Bd7 23. Kf1 Rf8 24. Bb3 Rxf3 25. Nxf3 Bb5+ 26. Kg1 h6 27. Rd1 Qe2 28. Nd4 Qe5 29. Bc2 Bd7 30. Nf3 Qxb2 31. Bb3 Bf5 32. Nd4 Bg6 33. Ne6 Kg8 34. Nf4+ Kh7 35. Ne6 Bc2 36. Nf8+ Kh8 37. Ng6+ Bxg6 38. Rd8+ Be8 39. Rxe8+ Kh7 40. Kf1 Qb1+ 41. Re1 Qd3+ 42. Re2 c5 43. Bc2 c4 44. Bxd3+ cxd3 45. Rd2 Nc4 46. Rxd3 Kg6 47. Rd7 Na5 48. Rd6+ Kf7 49. Ke2 a6 50. f4 Ke7 51. Rb6 Kf7 52. g4 g5 53. Rxh6 gxf4 54. Rb6 Ke7 55. h4 Nc6 56. h5 Nd4+ 57. Kf2 Kf7 58. h6 Kg8 59. Rxb7 Ne6 60. Rb6 Ng5 61. Rg6+ 1-0

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Straka, Ondrej"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "54"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Qf3 Be6 7. d3 Bb4+ 8. c3 Bc5 9. b4 Bb6 10. b5 Nce7 11. 0-0 0-0 12. Qe4 Ng6 13. h4 f5 14. Qe1 Qe7 15. Nd2 h6 16. Nxe6 Qxe6 17. Bb3 Nge7 18. c4 Bd4 19. cxd5 Nxd5 20. Bxd5 Qxd5 21. Rb1 Qxa2 22. Rb3 Rae8 23. Qd1 e4 24. Re1 e3 25. fxe3 Bxe3+ 26. Kh1 Qa4 27. Ra3 Qxh4# 0-1

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Tyle, Petr"]
[Result "1/2-1/2"]
[ECO "C53"]
[PlyCount "59"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 exd4 6. cxd4 d6 7. d5 Ne5 8. Be2 Nf6 9. Nc3 0-0 10. 0-0 Bg4 11. Nxe5 Bxe2 12. Qxe2 dxe5 13. Bg5 c6 14. Rad1 Bd4 15. Kh1 Qd6 16. f4 Bxc3 17. bxc3 exf4 18. Bxf4 Qc5 19. c4 Rae8 20. e5 cxd5 21. cxd5 Nxd5 22. Bd2 f6 23. Rc1 Qd4 24. e6 Re7 25. Rfd1 Nf4 26. Bxf4 Qxf4 27. Rc4 Qf5 28. Re4 Rfe8 29. Re1 g6 30. a3 1/2-1/2

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "3"]
[White "Krejci, Jan1111"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "90"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 Nc6 7. Qc2 d6 8. d3 Bf5 9. Bf4 Qd7 10. Qd2 Bh3 11. d4 Rad8 12. d5 Nb8 13. Bh6 Bxg2 14. Kxg2 e6 15. e4 exd5 16. exd5 Rfe8 17. Bxg7 Kxg7 18. Rae1 a6 19. a4 Qg4 20. Re3 Rxe3 21. Qxe3 Qxc4 22. Qe7 Rd7 23. Qe3 Nxd5 24. Nxd5 Qxd5 25. Qe8 g5 26. Qxb8 g4 27. Re1 Qxf3+ 28. Kg1 Qf5 29. Re8 d5 30. Qc8 c4 31. Qc5 Qf3 32. Qd4+ f6 33. Re1 b5 34. Re3 Qf5 35. Qb6 Qb1+ 36. Kg2 Qxb2 37. Qxa6 d4 38. Re6 Rf7 39. axb5 d3 40. b6 d2 41. Rd6 c3 42. b7 Qxb7+ 43. Qxb7 Rxb7 44. Rd3 c2 45. Rxd2 c1Q 0-1

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Malek, Martin"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "87"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. h3 Bd7 6. 0-0 Be7 7. d4 exd4 8. Nxd4 0-0 9. Nxc6 Bxc6 10. Bxc6 bxc6 11. Bf4 Nd7 12. Qf3 f5 13. Rfe1 fxe4 14. Qxe4 Rf7 15. Qxc6 Rxf4 16. Rxe7 Rf7 17. Rae1 Ne5 18. Qd5 Qxe7 19. Qxa8+ Rf8 20. Qd5+ Kh8 21. Qb3 Qf7 22. Qxf7 Rxf7 23. Nd5 Kg8 24. f4 Ng6 25. Re8+ Rf8 26. Rxf8+ Kxf8 27. f5 Ne7 28. Nxe7 Kxe7 29. Kf2 Kf6 30. g4 Ke5 31. Ke3 d5 32. c3 c5 33. b4 cxb4 34. cxb4 d4+ 35. Kd3 Kd5 36. a4 h6 37. h4 a6 38. b5 axb5 39. axb5 Kc5 40. g5 Kxb5 41. gxh6 gxh6 42. f6 Kc6 43. f7 h5 44. f8Q 1-0

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Mihalik, Milan"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "28"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. Bxf6 Qxf6 7. 0-0 0-0 8. Nc3 Bg4 9. Nd5 Qd8 10. Bb5 Nd4 11. a4 Nxf3+ 12. gxf3 Bh3 13. Re1 Qg5+ 14. Kh1 Qg2# 0-1

[Event "Czech-ch U12"]
[Site "Frymburk"]
[Date "2000.??.??"]
[Round "?"]
[White "Stola, M."]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "71"]
[EventDate "2000.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. h3 Nf6 6. Bg5 Na5 7. Bb3 Nxb3 8. axb3 0-0 9. Nc3 c6 10. 0-0 h6 11. Bh4 Qe7 12. Qe2 Qe6 13. Rfd1 Bd4 14. Nxd4 exd4 15. Na2 d5 16. Bxf6 Qxf6 17. exd5 cxd5 18. c3 b6 19. Rdc1 Bb7 20. cxd4 Qxd4 21. Rc7 Ba6 22. Rd1 Rfe8 23. Qc2 Rac8 24. Rxc8 Rxc8 25. Qd2 Bb7 26. Re1 Qf6 27. Nc3 Qg6 28. Re7 Rb8 29. Qf4 Rc8 30. Rxb7 Re8 31. Nxd5 Kf8 32. Qb4+ Kg8 33. Ne7+ Rxe7 34. Qxe7 Qf5 35. Rb8+ Kh7 36. Qe4 1-0

[Event "CZE-ch U10"]
[Site "Czech Republic"]
[Date "2000.??.??"]
[Round "6"]
[White "Uricar, Jakub"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "67"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bc5 6. Be3 b6 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Bxc5 bxc5 10. 0-0-0+ Ke7 11. Bc4 Rb8 12. b3 Ng4 13. Rd2 Ne5 14. Be2 Be6 15. f4 Ng4 16. f5 Nf2 17. Rf1 Nxe4 18. Nxe4 Bd5 19. Nxc5 Bxg2 20. Rg1 Bd5 21. c4 Kd6 22. Na4 Rhe8 23. cxd5 cxd5 24. Rxg7 Re7 25. Rxh7 Rbe8 26. Rh6+ Kd7 27. Bb5+ Kc8 28. Bxe8 Rxe8 29. Rxd5 Re1+ 30. Kb2 Re2+ 31. Ka3 Re3 32. Nc5 Re7 33. Rh8+ Re8 34. Rxe8# 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Fencl, Pavel"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "78"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Nf6 5. d3 Bg4 6. 0-0 Be7 7. Be3 0-0 8. Qd2 Re8 9. Ng5 h6 10. Nf3 a6 11. Ba4 b5 12. Bb3 b4 13. Nd5 Nxd5 14. Bxd5 Qd7 15. c3 bxc3 16. Qxc3 Bxf3 17. gxf3 Nd4 18. Bxd4 exd4 19. Qxd4 Rab8 20. Kh1 Bf6 21. Qe3 Be5 22. Rg1 Qh3 23. Rg2 Rxb2 24. f4 Qxe3 25. fxe3 Rxg2 26. Kxg2 Bxa1 27. Bc6 Rb8 28. Kg3 Rb6 29. Bd5 c6 30. Bc4 Kf8 31. e5 dxe5 32. fxe5 f6 33. e6 g5 34. h4 Be5+ 35. Kg4 Kg7 36. e7 Rb8 37. Bxa6 Re8 38. hxg5 hxg5 39. d4 Bh2 0-1

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Mikulik, Eduard"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "37"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. f3 Qe7+ 5. Ne2 Nc6 6. Nbc3 Qd8 7. Bf4 Bb4 8. Qd2 Bxc3 9. Qxc3 Nge7 10. 0-0-0 0-0 11. Bg5 f6 12. Bh4 Nf5 13. g3 Nxh4 14. gxh4 Re8 15. Rg1 Bf5 16. Qd2 Re6 17. Qh6 g6 18. Nf4 Re7 19. Bd3 1/2-1/2

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Palik, Vaclav"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "72"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. d3 Bf5 8. Qe2 0-0-0 9. 0-0 Bxe4 10. Qxe4 Qxe4 11. dxe4 Nd4 12. Nxe5 Nxc2 13. Nxf7 Nxa1 14. Nxh8 Bb4 15. Bg5 Rxh8 16. Rxa1 Re8 17. Rd1 b6 18. Rd4 Bc5 19. Rc4 h6 20. Bf4 Rf8 21. g3 g5 22. Bc1 Bxf2+ 23. Kg2 Bc5 24. h4 Rf2+ 25. Kh3 gxh4 26. Kxh4 Rh2+ 27. Kg4 Re2 28. a3 Be3 29. Bxe3 Rxe3 30. b4 Rxa3 31. Kf4 b5 32. Rc6 h5 33. Rh6 Ra2 34. Rxh5 Rf2+ 35. Ke3 Rf6 36. Rxb5 a6 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Tyrychtr, M."]
[Result "1-0"]
[ECO "C50"]
[PlyCount "9"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. d3 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Zagora, M."]
[Result "0-1"]
[ECO "C28"]
[PlyCount "108"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bb4 5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. 0-0 Bg4 9. Nd5 Qg6 10. Nxc7+ Kd7 11. Nxa8 Rxa8 12. c3 Ba5 13. b4 Bd8 14. b5 Na5 15. h3 Bxh3 16. Ne1 Nxc4 17. dxc4 Ba5 18. Qf3 Bg4 19. Qg3 Bb6 20. Rb1 Be2 21. Qxg6 fxg6 22. Nf3 Bxf1 23. Kxf1 g5 24. Rd1 Ke6 25. g4 Rf8 26. Rd3 a5 27. a4 Ke7 28. Rd5 Rxf3 29. Ke2 Rxf2+ 30. Kd3 Rf4 31. c5 Bxc5 32. b6 Rxg4 33. c4 Rf4 34. Kc3 g4 35. Rd2 g3 36. Rg2 Rf3+ 37. Kd2 Rf2+ 38. Rxf2 Bxf2 39. Ke2 h5 40. Kf1 h4 41. Kg2 h3+ 42. Kxh3 Kf6 43. c5 dxc5 44. Kg2 c4 45. Kf1 c3 46. Kg2 c2 47. Kf3 c1Q 48. Kg4 Qd1+ 49. Kh3 Kg5 50. Kg2 Qe2 51. Kh3 Qe3 52. Kg2 Kg4 53. Kf1 Qe1+ 54. Kg2 Qg1# 0-1

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Koref, Martin"]
[Black "Zelena, Monika"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Ng5 0-0 6. Nc3 d6 7. h3 Be6 8. Bxe6 fxe6 9. Nxe6 Qe7 10. Nxf8 Qxf8 11. 0-0 Nh5 12. Qxh5 Bxf2+ 13. Rxf2 Qe8 14. Qxe8+ Rxe8 15. Bg5 h6 16. Bh4 Kh7 17. Rf7 Nd8 18. Rxc7 Ne6 19. Rxb7 Nc5 20. Rxa7 Kg8 21. Be7 Kf7 22. Bxd6+ Ke6 23. Bxc5 Rc8 24. Nb5 Rxc5 25. Nc7+ Kd6 26. Ne8+ Kc6 27. Nxg7 Kb6 28. b4 Rb5 29. Ra4 Kc7 30. c4 Rb6 31. c5 Rg6 32. Ra7+ Kb8 33. Rf7 Kc8 34. Raf1 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Kves, Martin"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "45"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. 0-0 d6 6. d3 Bg4 7. Bg5 0-0 8. Nd5 h6 9. Nxf6+ gxf6 10. Bxh6 Re8 11. Qd2 Bxf3 12. gxf3 Nd4 13. Kh1 Nxf3 14. Qe2 Kh7 15. Bxf7 Re7 16. Bh5 Nd4 17. Qg4 Qg8 18. Rg1 Qxg4 19. Rxg4 Kxh6 20. Rh4 Kg5 21. Rh3 Nxc2 22. Rg1+ Kf4 23. Rg4# 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Scholle, David"]
[Black "Koref, Martin"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "35"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nxe5 Nxe5 5. d4 Bb4+ 6. c3 Bxc3+ 7. Nxc3 Nxc4 8. b3 Nb6 9. Qh5 Nf6 10. Qe5+ Qe7 11. Qxc7 Nxe4 12. Ne2 Qf6 13. 0-0 Nd5 14. Qa5 Qf5 15. Ng3 Nxg3 16. fxg3 Qh5 17. g4 b6 18. Qe1+ 1-0

[Event "CZE-ch U10"]
[Site "Most"]
[Date "1999.??.??"]
[Round "?"]
[White "Tyle, Petr"]
[Black "Koref, Martin"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "46"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. Nxe5 Nxe5 7. d4 Nxc4 8. dxc5 d6 9. Qd4 Ne5 10. Bf4 Nc6 11. Qc4 Be6 12. Qb5 b6 13. Qxc6 bxc5 14. Nd5 Bxd5 15. exd5 Re8 16. Rae1 Rxe1 17. Rxe1 Rb8 18. Bg5 h6 19. Bxf6 gxf6 20. b3 Kg7 21. Qa4 Rb4 22. Qc6 Rd4 23. Re8 Rd1+ 0-1

