[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Landheer, Ronald"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1701"]
[BlackElo "1767"]
[PlyCount "118"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. Nf3 d6 6. d3 Nc6 7. 0-0 Bf5 8. a3 e4 9. Nh4 Bg6 10. Nxg6 fxg6 11. Bxe4 Nxe4 12. Nxe4 Bb6 13. Bd2 d5 14. cxd5 Qxd5 15. Bc3 Rae8 16. b4 Ne5 17. Bxe5 Qxe5 18. Qb3+ Kh8 19. e3 h5 20. Rae1 g5 21. Nd2 h4 22. Nc4 Qd5 23. Qd1 Rf3 24. Nxb6 axb6 25. d4 Qe4 26. Qb1 Qg4 27. Qc2 c6 28. a4 Qd7 29. Qg6 Rf5 30. e4 Rf6 31. Qxg5 Rh6 32. Qe3 Qh3 33. Qf3 Kg8 34. e5 Rf8 35. Qg2 Qd7 36. e6 Rxe6 37. Qh3 Rd6 38. Qxd7 Rxd7 39. Re4 hxg3 40. fxg3 Rfd8 41. Rff4 Ra8 42. a5 bxa5 43. bxa5 Rxa5 44. Re8+ Kh7 45. Kf2 Ra2+ 46. Re2 Ra4 47. Rh4+ Kg6 48. Ree4 Rf7+ 49. Ref4 Ra2+ 50. Kf3 Rxf4+ 51. Kxf4 b5 52. Rh8 Rc2 53. Ke5 Rc4 54. h4 Rc3 55. g4 Rg3 56. g5 Rc3 57. Kf4 Rc4 58. h5+ Kf7 59. Ke5 Rc1 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Coene, Igor"]
[Black "Landheer, Ronald"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "2108"]
[BlackElo "1701"]
[PlyCount "63"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Na5 11. Bd3 c4 12. Bc2 b5 13. Qd2 Bb7 14. f4 e6 15. Ng3 f5 16. Rad1 Qf6 17. d5 Qxc3 18. e5 Qxd2 19. Bxd2 c3 20. Bxc3 Nc4 21. dxe6 Ne3 22. Bb3 Rfe8 23. Rd7 Nxf1 24. Nxf1 Bc6 25. Ne3 a5 26. Nd5 a4 27. Nf6+ Kh8 28. Nxe8 axb3 29. Nxg7 Rxa2 30. e7 Bxd7 31. e6 Bc6 32. Nxf5+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Aalbers, Klaas"]
[Black "Landheer, Ronald"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1827"]
[BlackElo "1701"]
[PlyCount "104"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Be3 dxe4 4. f3 Nf6 5. Nd2 Nd5 6. Qe2 c5 7. c3 Nxe3 8. Qxe3 cxd4 9. cxd4 Nc6 10. Bb5 Bb4 11. fxe4 Bxd2+ 12. Qxd2 Qh4+ 13. Qf2 Qxe4+ 14. Qe2 Qxe2+ 15. Nxe2 Bd7 16. 0-0 0-0 17. Rad1 a6 18. Ba4 b5 19. Bc2 Rad8 20. Be4 Ne7 21. Rc1 Rc8 22. Rc5 Bc6 23. Bxc6 Rxc6 24. Rfc1 Rfc8 25. b4 Kf8 26. Nf4 Ke8 27. Kf2 Rxc5 28. dxc5 Nc6 29. a4 Rd8 30. axb5 axb5 31. Ra1 Nxb4 32. Ra7 Rc8 33. Nh5 Nd3+ 34. Ke3 Nxc5 35. Nxg7+ Kf8 36. Nh5 b4 37. Ra5 Ke7 38. Ra7+ Nd7 39. Rb7 Rb8 40. Rxb8 Nxb8 41. Kd4 Nc6+ 42. Kc4 e5 43. Ng3 Ke6 44. Ne4 f5 45. Ng5+ Kd6 46. Nxh7 e4 47. Ng5 Ke5 48. h4 Kf4 49. Ne6+ Kg4 50. g3 e3 51. Nc5 Kxg3 52. h5 e2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.05"]
[Round "4"]
[White "Landheer, Ronald"]
[Black "Wantola, Ivo"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1701"]
[BlackElo "2184"]
[PlyCount "169"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. c4 Nc6 5. 0-0 Nf6 6. d3 0-0 7. Nc3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Nd2 Qd7 11. a4 Rb8 12. Nc4 b6 13. Bf4 e5 14. Bxc6 Qxc6 15. Bxe5 Bh3 16. f3 Bxe5 17. Nxe5 Qe6 18. Nc4 Bxf1 19. Qxf1 Rfe8 20. e3 a6 21. e4 b5 22. axb5 axb5 23. Ne3 Qe5 24. Qf2 Ra8 25. Rb1 Qd6 26. Nd5 Ra2 27. Qc2 Rea8 28. Kg2 Ra1 29. f4 Rxb1 30. Qxb1 Ra4 31. Nc3 Rb4 32. Nd5 Rd4 33. b3 h5 34. Qc2 Kh7 35. Kf3 Qe6 36. Ne3 Qc6 37. Nd5 c4 38. bxc4 bxc4 39. dxc4 Rxc4 40. Qb2 Rc2 41. Qd4 Qc5 42. Qxc5 Rxc5 43. h4 Ra5 44. Nf6+ Kg7 45. e5 Ra3+ 46. Kf2 Kf8 47. Nd5 Ra5 48. Ne3 Ke7 49. Kf3 Ke6 50. Kf2 Ra3 51. Ke2 Kd7 52. Kf2 Kc6 53. Nc4 Ra2+ 54. Kf3 Kd5 55. Nd6 Ra3+ 56. Kf2 f6 57. Nb5 Ra5 58. Nc7+ Kc6 59. Ne6 fxe5 60. fxe5 Rxe5 61. Nf4 Rf5 62. Ke3 Rf6 63. Ke4 Kd6 64. Nh3 Ke7 65. Ng5 Rf1 66. Ke5 Rf5+ 67. Ke4 Rxg5 68. hxg5 Ke6 69. Kf4 Kd5 70. Kf3 Ke5 71. g4 h4 72. Ke3 Kd5 73. Kf4 Kd4 74. Kf3 Ke5 75. Ke3 h3 76. Kf3 h2 77. Kg2 Kf4 78. Kxh2 Kxg4 79. Kg2 Kf5 80. Kf3 Kxg5 81. Kg3 Kf5 82. Kf3 g5 83. Kg3 g4 84. Kg2 Kf4 85. Kf2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.29"]
[Round "3"]
[White "Landheer, Ronald"]
[Black "Van Dorp, Teun"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "1701"]
[BlackElo "1723"]
[PlyCount "131"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 Be7 3. Bg2 f5 4. c4 d6 5. d4 Nf6 6. Nc3 0-0 7. 0-0 Nbd7 8. Qc2 Nh5 9. e4 Ndf6 10. e5 Ne8 11. d5 dxe5 12. Nxe5 Bd6 13. Qe2 Qf6 14. f4 g6 15. Nd3 Qd4+ 16. Nf2 exd5 17. Bxd5+ Kh8 18. Be3 Qg7 19. Rad1 Nhf6 20. c5 Be7 21. Bd4 c6 22. Bc4 Bd8 23. Rfe1 Nc7 24. Qd3 h6 25. Re2 Kh7 26. Be5 Be6 27. Bxe6 Nxe6 28. Qd6 Nc7 29. Red2 Kg8 30. Qd4 Rc8 31. Qb4 Na6 32. Qc4+ Qf7 33. Qxf7+ Kxf7 34. Bxf6 Bxf6 35. Rd7+ Be7 36. Rxb7 Nxc5 37. Rxa7 Kf6 38. Kg2 Rfd8 39. Re1 Bf8 40. Re2 Rd4 41. a3 g5 42. fxg5+ hxg5 43. b4 Ne6 44. h3 Rc4 45. Na4 Rd8 46. Nb6 Rcd4 47. Rc2 c5 48. b5 R4d6 49. Nc4 R6d7 50. Rxd7 Rxd7 51. a4 Nd4 52. Ra2 Ke6 53. Nd3 Kd5 54. Nb6+ Kd6 55. Nxd7 Kxd7 56. Ne5+ Kc7 57. Nc4 Be7 58. b6+ Kb7 59. a5 Ka6 60. Kf2 Nc6 61. Re2 Bd8 62. Re8 f4 63. gxf4 gxf4 64. Kf3 Bg5 65. Kg4 Bh6 66. Re6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.22"]
[Round "2"]
[White "Cortenraad, Pierre"]
[Black "Landheer, Ronald"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1701"]
[PlyCount "50"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[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. a4 Nc6 7. Be3 e5 8. Nf3 h6 9. Bc4 Bg4 10. 0-0 Be7 11. Be2 0-0 12. Nd2 Bxe2 13. Nxe2 d5 14. f4 Ng4 15. Bf2 Nxf2 16. Rxf2 Bc5 17. fxe5 Nxe5 18. exd5 Qxd5 19. Nf4 Bxf2+ 20. Kxf2 Qd4+ 21. Kg3 Rad8 22. Qe1 Rfe8 23. Nb3 Qxb2 24. Qe4 Qc3+ 25. Kh4 Ng6+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.15"]
[Round "1"]
[White "Landheer, Ronald"]
[Black "Oosterom, Erik"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1701"]
[BlackElo "2062"]
[PlyCount "90"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. b3 Nbd7 6. Bb2 e6 7. d3 Be7 8. Nbd2 h6 9. Re1 Bh7 10. e4 dxe4 11. dxe4 Nc5 12. Ne5 0-0 13. Qe2 Qc7 14. a3 Rad8 15. Rad1 Ne8 16. Kh1 Nd6 17. f3 Nb5 18. Qe3 f6 19. Ng4 e5 20. Nc4 Rxd1 21. Rxd1 Rd8 22. Rd2 Ne6 23. c3 Rxd2 24. Qxd2 Bg6 25. a4 Nd6 26. Bf1 Nc5 27. Qd1 Bf7 28. Nge3 Nxc4 29. Bxc4 Bxc4 30. Nxc4 Qd8 31. Qc2 b5 32. axb5 cxb5 33. Ne3 Qd3 34. Qxd3 Nxd3 35. Ba1 a5 36. Kg1 Bc5 37. Kf1 Bxe3 38. Ke2 Nc1+ 39. Kxe3 Nxb3 40. Bb2 a4 41. Ba3 Na5 42. Kd3 Nc4 43. Bc1 h5 44. f4 Kf7 45. Kc2 f5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.27"]
[Round "7"]
[White "De Groot, Marco"]
[Black "Landheer, Ronald"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1940"]
[PlyCount "67"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bg5 f6 8. Bf4 Be6 9. Bd3 Be7 10. 0-0 0-0 11. Re1 Nc6 12. Qe3 Bf7 13. Nc3 Re8 14. Nd2 Qd7 15. Nde4 b6 16. Rad1 a6 17. Qg3 Kh8 18. Nxd6 Bxd6 19. Rxe8+ Bxe8 20. Bxd6 Qxd6 21. Qh3 h6 22. Qf5 g6 23. Qh3 Qf8 24. Nd5 Qg7 25. Qe6 f5 26. Bc4 Nd4 27. Qe3 Nb5 28. Nf4 Nd6 29. Bd5 Rc8 30. Ne6 f4 31. Qxf4 g5 32. Qf3 Qxb2 33. c3 Kh7 34. Qf6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.20"]
[Round "6"]
[White "Landheer, Ronald"]
[Black "Kluck, Hans"]
[Result "1-0"]
[ECO "A87"]
[BlackElo "1742"]
[PlyCount "97"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. d4 g6 4. Nc3 Bg7 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Nbd7 8. Ng5 Nb6 9. Qb3 c5 10. dxc5 dxc5 11. Rd1 Nbd7 12. Ne6 Qb6 13. Nxf8 Kxf8 14. Nd5 Nxd5 15. Rxd5 Nf6 16. Qxb6 axb6 17. Rd8+ Kf7 18. Bf4 Ng4 19. Bc7 Bxb2 20. Rb1 Bd4 21. e3 Nxe3 22. fxe3 Bxe3+ 23. Kf1 Rxa2 24. Rxc8 Rf2+ 25. Ke1 Rxg2 26. Rxb6 Rxh2 27. Rxb7 Bd2+ 28. Kd1 Bc3 29. Bd8 Rd2+ 30. Kc1 Re2 31. Rcc7 Bf6 32. Rxc5 Bg5+ 33. Kb1 Re1+ 34. Kb2 Re2+ 35. Kb3 Re3+ 36. Ka4 Rxg3 37. Rcc7 Re3 38. Rd7 f4 39. Rd1 f3 40. Rf1 Ke8 41. Ba5 Re4 42. Kb5 Re5+ 43. c5 Be3 44. Bb4 f2 45. Kc4 Kd8 46. c6 g5 47. Ra1 Ba7 48. Rbxa7 Re1 49. Rxe1 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.13"]
[Round "5"]
[White "Helfferich, Gert"]
[Black "Landheer, Ronald"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "944"]
[PlyCount "80"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e5 dxe5 6. Nxe5 0-0 7. Bc4 Nbd7 8. 0-0 Nb6 9. Bb3 Nfd7 10. Qe2 Nxe5 11. dxe5 e6 12. Rd1 Qe7 13. Bf4 a5 14. a4 Bd7 15. Nb5 Bc6 16. g3 Nd5 17. Bd2 Bxb5 18. Qxb5 c6 19. Qe2 Rfd8 20. c4 Nb4 21. h4 h5 22. g4 Qxh4 23. gxh5 gxh5 24. Kg2 Nd3 25. Be3 Nxe5 26. Rh1 Qg4+ 27. Qxg4 Nxg4 28. Bg5 f6 29. Bh4 Rd3 30. Bc2 Rd2 31. Rac1 Ne3+ 32. Kf3 Nxc2 33. Rhe1 Kf7 34. Re2 Nd4+ 35. Ke3 Rxe2+ 36. Kxd4 Rd8+ 37. Kc5 Rxb2 38. Bg3 Bf8+ 39. Bd6 Rxd6 40. Rg1 Rd8# 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Verheijen, Jan"]
[Black "Landheer, Ronald"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1611"]
[PlyCount "105"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nge7 6. Nf3 0-0 7. 0-0 d6 8. Bg5 f6 9. Bd2 Be6 10. Nh4 Qd7 11. Nd5 a5 12. Qa4 Ra7 13. Be3 b6 14. a3 Kh8 15. Qb5 Re8 16. f4 Nd4 17. Qxd7 Bxd7 18. Bxd4 exd4 19. Nxe7 Rxe7 20. Kf2 c5 21. b4 Bg4 22. Nf3 axb4 23. axb4 Kg8 24. b5 Kf8 25. h3 Bxf3 26. Bxf3 Ke8 27. Ra6 Rxa6 28. bxa6 Ra7 29. Bb7 Kd7 30. Kf3 Kc7 31. Ke4 Rxb7 32. axb7 Kxb7 33. Kd5 Bf8 34. Ke6 f5 35. h4 Kc6 36. Kf7 Bh6 37. Kg8 d5 38. cxd5+ Kxd5 39. Kxh7 Bf8 40. Kxg6 b5 41. Kxf5 c4 42. Rb1 b4 43. dxc4+ Kxc4 44. Ke4 Bg7 45. g4 b3 46. Rc1+ Kb4 47. Rc7 b2 48. Rb7+ Kc3 49. g5 Kc2 50. f5 b1Q 51. Rxb1 Kxb1 52. f6 Bf8 53. Kxd4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Landheer, Ronald"]
[Black "Van Briemen, Willem Jan"]
[Result "0-1"]
[ECO "E63"]
[BlackElo "2001"]
[PlyCount "92"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 Rb8 8. h3 a6 9. e4 Na5 10. Qd3 c5 11. Be3 Nd7 12. Rad1 b6 13. b3 Nc6 14. a3 Bb7 15. Ne2 cxd4 16. Nexd4 Nc5 17. Nxc6 Bxc6 18. Bxc5 dxc5 19. Qe3 Qc7 20. Rfe1 Rfd8 21. Rxd8+ Rxd8 22. e5 e6 23. Nh2 Bxg2 24. Kxg2 Qd7 25. f4 Qd2+ 26. Re2 Qd1 27. Re1 Rd2+ 28. Kf1 Qc2 29. Re2 Rxe2 30. Qxe2 Qxb3 31. Nf3 Qxa3 32. Kf2 Qc3 33. Qe4 b5 34. Qa8+ Bf8 35. cxb5 Qb2+ 36. Ke3 axb5 37. Qe8 h6 38. g4 Qb3+ 39. Kf2 b4 40. Nh4 Qc2+ 41. Kg3 Qe4 42. Nf3 c4 43. h4 c3 44. h5 gxh5 45. g5 c2 46. Qc8 hxg5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.23"]
[Round "2"]
[White "Huizer, Olivier"]
[Black "Landheer, Ronald"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "1712"]
[PlyCount "94"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[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. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 Nbd7 10. Bf3 Rb8 11. g4 Qc7 12. g5 Ne8 13. Qe1 b5 14. h4 Nb6 15. Rd1 Nc4 16. Bc1 Qc5 17. b3 e5 18. bxc4 exd4 19. Nd5 Bd8 20. Qd2 d3+ 21. Qf2 dxc2 22. Rd2 Qxf2+ 23. Kxf2 Be6 24. Rxc2 Rc8 25. Be3 Bxd5 26. exd5 f6 27. Bg4 f5 28. Bf3 bxc4 29. Rfc1 Rb8 30. Rxc4 Bb6 31. Rc6 Bxe3+ 32. Kxe3 a5 33. Ra6 Rb5 34. Be2 Rb2 35. Rxa5 Rf7 36. Rc8 Re7+ 37. Kd3 Rbxe2 38. Rd8 R2e4 39. Raa8 Kf7 40. h5 g6 41. a4 Rxf4 42. hxg6+ hxg6 43. a5 Ra4 44. Rdb8 f4 45. a6 f3 46. Rb7 Ra3+ 47. Kd2 Nc7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Landheer, Ronald"]
[Black "Oosthout, Wouter"]
[Result "0-1"]
[ECO "A10"]
[BlackElo "1884"]
[PlyCount "90"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. c4 Nc6 4. d4 e6 5. Bg2 d6 6. 0-0 Ne7 7. Nc3 h6 8. Ne1 c6 9. e4 g6 10. Nd3 Bg7 11. e5 dxe5 12. dxe5 Nd7 13. f4 0-0 14. Be3 Kh7 15. Qe2 Rh8 16. Rfd1 Qe8 17. Nc5 Nf8 18. Rd2 b6 19. Nb3 Rb8 20. Rad1 Bb7 21. Rd6 Rg8 22. a4 g5 23. a5 gxf4 24. gxf4 c5 25. Bxb7 Rxb7 26. Kf1 Nc6 27. Qf3 Rc7 28. Nb5 Rc8 29. axb6 axb6 30. Ra1 Ng6 31. Ra6 Bf8 32. Rxb6 Ngxe5 33. fxe5 Nxe5 34. Qf4 Ng4 35. Bxc5 Bxd6 36. Nxd6 Qd8 37. Rb7+ Rc7 38. Rxc7+ Qxc7 39. h3 Rb8 40. hxg4 Rxb3 41. Bd4 Qc6 42. Ke1 Qh1+ 43. Ke2 Qg2+ 44. Kd1 Rd3+ 45. Kc1 Qh1+ 0-1

