[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.14"]
[Round "1"]
[White "Scherpenisse, Kees"]
[Black "De Boer, Ruurd"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1903"]
[PlyCount "95"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 e6 6. Nc3 a6 7. Bd3 Nc6 8. h3 Bd6 9. Bxd6 Qxd6 10. f4 b5 11. Nf3 h6 12. Rc1 0-0 13. 0-0 Bb7 14. Ne5 Ne7 15. Qf3 Rac8 16. g4 b4 17. Ne2 Ne4 18. Qg2 Nd2 19. Rfd1 Rxc1 20. Rxc1 f6 21. Ng6 Nxg6 22. Bxg6 f5 23. Ng3 Ne4 24. Nxe4 fxe4 25. Qc2 e5 26. f5 exd4 27. Qc7 Qxc7 28. Rxc7 d3 29. Kf2 Ba8 30. h4 a5 31. Ke1 d4 32. Kd2 dxe3+ 33. Kxe3 Rd8 34. Kd2 e3+ 35. Kxe3 d2 36. Bf7+ Kh7 37. Bb3 d1Q 38. Bxd1 Rxd1 39. f6 Bd5 40. Rxg7+ Kh8 41. g5 hxg5 42. hxg5 Bxa2 43. g6 Rf1 44. Rh7+ Kg8 45. f7+ Bxf7 46. Rxf7 Ra1 47. Kd3 Rc1 48. Rf5 1/2-1/2

[Event "Leiden LCT op-B 06th"]
[Site "Leiden"]
[Date "2012.07.14"]
[Round "8"]
[White "Van der Knaap, Jan"]
[Black "De Boer, Ruurd"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "77"]
[EventDate "2012.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Bd7 8. b4 a6 9. Bb2 f6 10. Bd3 Be7 11. 0-0 Nh6 12. Nc3 fxe5 13. Nxe5 Nxe5 14. dxe5 0-0 15. Ne2 Nf5 16. Nd4 Rae8 17. Rc1 Bg5 18. Rc5 Be7 19. Rc1 g6 20. Nxf5 exf5 21. Bc4 Be6 22. Bxd5 Bg5 23. Rc5 Rf7 24. Qb3 Rfe7 25. Rd1 Kf8 26. Bxe6 Rxe6 27. Rd7 R8e7 28. Rc8+ Kf7 29. Bd4 Qb5 30. Rdd8 Qe2 31. Rf8+ Kg7 32. Rg8+ Kh6 33. Qh3+ Qh5 34. Rc3 f4 35. Qd3 Bf6 36. Qc2 Rxe5 37. Bxe5 Rxe5 38. Qd2 Re2 39. Qxf4+ 1-0

[Event "Leiden LCT op-B 06th"]
[Site "Leiden"]
[Date "2012.07.13"]
[Round "7"]
[White "De Boer, Ruurd"]
[Black "Wallace, Mitchel"]
[Result "1-0"]
[ECO "C41"]
[BlackElo "1852"]
[PlyCount "63"]
[EventDate "2012.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 c6 7. a4 a5 8. h3 h6 9. Be3 Qc7 10. Qe2 Nf8 11. Rfd1 g5 12. Nh2 Ng6 13. dxe5 dxe5 14. f3 Rg8 15. Ng4 Nxg4 16. hxg4 Nf4 17. Qf2 h5 18. gxh5 Bh3 19. g4 Bxg4 20. Bxf4 gxf4 21. fxg4 Rxg4+ 22. Kf1 Bh4 23. Qc5 Rc8 24. Nd5 Qb8 25. h6 cxd5 26. Bb5+ Rc6 27. Rxd5 f6 28. Bxc6+ bxc6 29. Qxc6+ Kf8 30. h7 Rg1+ 31. Kxg1 Qa7+ 32. Qc5+ 1-0

[Event "Leiden LCT op-B 06th"]
[Site "Leiden"]
[Date "2012.07.08"]
[Round "3"]
[White "De Boer, Ruurd"]
[Black "Boeters, Stefan"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "108"]
[EventDate "2012.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 c6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 b5 8. a3 a6 9. Be3 Qc7 10. e5 Nd5 11. Nxd5 cxd5 12. Qd2 dxe5 13. dxe5 Bb7 14. c3 Nd7 15. a4 b4 16. cxb4 Nxe5 17. Bf4 Nxf3+ 18. Bxf3 e5 19. Bg3 Qd7 20. Rfe1 Rfe8 21. Be2 e4 22. b5 d4 23. bxa6 Bxa6 24. Bxa6 Rxa6 25. Qb4 d3 26. Rxe4 Rxe4 27. Qxe4 Bxb2 28. Rd1 d2 29. Bf4 Rxa4 30. Qc2 Rxf4 31. Qxb2 Rd4 32. Qb8+ Kg7 33. Qe5+ f6 34. Qe2 Qd6 35. Kh1 Rd5 36. g3 Re5 37. Qf3 Re1+ 38. Kh2 Rxd1 39. Qxd1 Qd3 40. Kg1 f5 41. f3 Kf6 42. Kf2 g5 43. f4 gxf4 44. gxf4 Qxh3 45. Qa1+ Kg6 46. Qa6+ Kh5 47. Qe2+ Qg4 48. Qxd2 Kh4 49. Qe3 h5 50. Qe7+ Kh3 51. Qg5 h4 52. Kf1 Kg3 53. Kg1 h3 54. Kh1 Kf2 0-1

