[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "11"]
[White "Ritterfeld, Sten"]
[Black "Robertson, Olivier"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1073"]
[BlackElo "742"]
[PlyCount "69"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. Nf3 g6 4. Ng5 Qe7 5. Ne4 d6 6. Bg5 Qc7 7. Nf6+ Nxf6 8. Bxf6 Nc6 9. Bxh8 cxd4 10. Bxd4 Nxd4 11. Qxd4 b6 12. Qe4 Bb7 13. Qc2 0-0-0 14. e4 d5 15. Bd3 b5 16. b3 bxc4 17. bxc4 dxe4 18. Bxe4 Qe5 19. Nc3 Bb4 20. 0-0 Bxe4 21. Nxe4 Rd4 22. Rab1 Ba5 23. Rb5 Qc7 24. Rc5 Rxe4 25. Rxc7+ Bxc7 26. Qxe4 f5 27. Qc6 a5 28. Rd1 Kb8 29. Rb1+ Kc8 30. Qxe6+ Kd8 31. Rd1+ Bd6 32. Qxd6+ Kc8 33. Qd7+ Kb8 34. Re1 Ka8 35. Re8# 1-0

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "12"]
[White "Robertson, Olivier"]
[Black "Koehorst, Julie"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "742"]
[BlackElo "604"]
[PlyCount "35"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 Bd6 6. Bg5 0-0 7. e4 dxe4 8. Nxe4 Qe8 9. Bd3 Nxe4 10. 0-0 c6 11. Re1 Qd7 12. Rxe4 h6 13. Bf4 Re8 14. Rxe8+ Qxe8 15. Bxd6 Nd7 16. Bc2 Nb6 17. Qd3 Be6 18. Qh7# 1-0

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "10"]
[White "Robertson, Olivier"]
[Black "Vlaar, Tiffany"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "742"]
[BlackElo "1187"]
[PlyCount "122"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 Nf6 7. c4 dxc4 8. e3 0-0 9. Bxc4 Nc6 10. Nf3 Bg4 11. 0-0 Re8 12. Bb2 Qd7 13. h3 Be6 14. Qd3 a6 15. d5 Nxd5 16. Ng5 Nb6 17. Qxh7+ Kf8 18. Qh8+ Ke7 19. Bxe6 Rxh8 20. Bxd7 Nxd7 21. Bxg7 Rhg8 22. Bh6 Rg6 23. f4 Rxh6 24. Rab1 Rb8 25. Rfd1 Rd6 26. Rxd6 cxd6 27. Ne4 Nf6 28. Nxf6 Kxf6 29. g4 b5 30. h4 Rg8 31. g5+ Kg6 32. Rd1 Rd8 33. Kg2 Ne7 34. Kg3 Kh5 35. e4 Nc6 36. e5 dxe5 37. Rxd8 Nxd8 38. fxe5 Ne6 39. Kh3 a5 40. Kg3 b4 41. axb4 axb4 42. Kf3 Kxh4 43. Ke3 Kxg5 44. Kd3 Kf5 45. Kc4 Kxe5 46. Kxb4 f6 47. Kc3 Ke4 48. Kd2 Kf3 49. Ke1 f5 50. Kf1 Ke3 51. Kg2 f4 52. Kf1 Kf3 53. Kg1 Ke2 54. Kg2 f3+ 55. Kg1 f2+ 56. Kh1 f1Q+ 57. Kh2 Qf8 58. Kg2 Qg7+ 59. Kh3 Qg5 60. Kh2 Kf3 61. Kh1 Qg2# 0-1

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.09"]
[Round "8"]
[White "Robertson, Olivier"]
[Black "Huzen, Maron"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "742"]
[BlackElo "969"]
[PlyCount "48"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e4 Be6 5. d5 Bd7 6. Bxc4 e6 7. Bf4 Bc5 8. Nf3 0-0 9. e5 Ng4 10. Ne4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 exd5 13. Bxd5 Bc6 14. Bxc6 Qxd2+ 15. Nexd2 Nxc6 16. 0-0 Rfe8 17. Nc4 b5 18. Na3 Ngxe5 19. Nxb5 Nxf3+ 20. gxf3 Re2 21. Rab1 Nb4 22. Nc3 Re5 23. Rfe1 Rg5+ 24. Kf1 h6 1-0

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "7"]
[White "Van Stapele, Tibor"]
[Black "Robertson, Olivier"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "804"]
[BlackElo "742"]
[PlyCount "18"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e4 Nxe4 4. Qd3 Nf6 5. Bg5 Bg7 6. Nc3 Nc6 7. d5 Nb4 8. Qb5 Nxc2+ 9. Kd1 Nxa1 0-1

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.07"]
[Round "2"]
[White "Vancleef, Arne"]
[Black "Robertson, Olivier"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1121"]
[BlackElo "742"]
[PlyCount "57"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 c5 2. e3 cxd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Nc6 6. 0-0 Bg4 7. Nbd2 e6 8. Qe1 Bb4 9. c3 Ba5 10. Ne5 Qd6 11. Qe3 0-0 12. Qf4 Bc7 13. Re1 Rfe8 14. Ndf3 Rad8 15. Qg3 h6 16. Bf4 Qe7 17. Nxg4 Nxg4 18. Qxg4 Bxf4 19. Qxf4 Rd6 20. Ne5 Rf8 21. Re3 Qc7 22. Rg3 f6 23. Qxh6 fxe5 24. Qh7+ Kf7 25. Rxg7+ Ke8 26. Rxc7 exd4 27. Rc8+ Rd8 28. Bg6+ Rf7 29. Qxf7# 1-0

[Event "Twente Young Master op-D"]
[Site "Twente"]
[Date "2007.08.06"]
[Round "1"]
[White "Robertson, Olivier"]
[Black "Vlaming, Eckhart"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "742"]
[BlackElo "1378"]
[PlyCount "39"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. f3 c5 4. d3 d4 5. Na4 Bd7 6. c3 dxc3 7. Nxc3 Nc6 8. f4 Nf6 9. Nf3 Be7 10. Be2 0-0 11. 0-0 Qc7 12. Bd2 Nd4 13. e5 Nxe2+ 14. Qxe2 Nd5 15. Nxd5 exd5 16. b4 cxb4 17. d4 Qb6 18. Rac1 Bb5 19. Qf2 Bxf1 20. Qxf1 0-1

