[Event "NED-chT 1718"]
[Site "Netherlands"]
[Date "2018.02.03"]
[Round "6.4"]
[White "Peng, Zhaoqin"]
[Black "Roorda, Maarten"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2366"]
[BlackElo "1772"]
[PlyCount "29"]
[EventDate "2017.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "En Passant"]
[BlackTeam "SISSA"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Qb6 5. Nc3 d6 6. e4 b4 7. Bxf6 exf6 8. Na4 Qc7 9. a3 bxa3 10. Rxa3 g6 11. Bb5+ Nd7 12. 0-0 Bg7 13. Nc3 0-0 14. Bc6 Bb7 15. Nb5 1-0

[Event "Ghent Taminco op 33rd"]
[Site "Ghent"]
[Date "2010.07.19"]
[Round "6"]
[White "De Vleeschauwer, Maarten"]
[Black "Roorda, Maarten"]
[Result "1/2-1/2"]
[ECO "C59"]
[WhiteElo "1846"]
[PlyCount "114"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[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 Qd4 11. f4 Bc5 12. Rf1 Qd8 13. c3 Nd5 14. g3 Bh3 15. b4 Bxf1 16. Bxf1 Nxb4 17. cxb4 Qd4 18. bxc5 Qxa1 19. Qc2 Qd4 20. Bb2 Qb4 21. a3 Qb3 22. Qxe4 Qd5 23. Qxd5 cxd5 24. Bb5+ Ke7 25. Nc3 Rhd8 26. c6 a6 27. c7 Rd6 28. Bf1 f6 29. Bh3 fxe5 30. c8Q Rxc8 31. Bxc8 Nc4 32. fxe5 Rd8 33. Nxd5+ Rxd5 34. Bc3 Nxe5 35. Bxa6 Nf3+ 36. Kd1 Nxh2 37. Be2 h5 38. Bxg7 Ng4 39. Bxg4 hxg4 40. Ke2 Rf5 41. d3 Ke6 42. Bh6 Rf3 43. Bf4 Kd5 44. a4 Kd4 45. a5 Rxd3 46. Bc7 Ra3 47. Bb6+ Ke4 48. Kf2 Ra2+ 49. Kg1 Kf3 50. Bc7 Ra1+ 51. Kh2 Kf2 52. Bb6+ Kf1 53. Bc7 Ra3 54. Bb6 Ra2+ 55. Kh1 Rg2 56. Bc7 Rg1+ 57. Kh2 Rg2+ 1/2-1/2

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.28"]
[Round "8"]
[White "Van Genk, Jozef"]
[Black "Roorda, Maarten"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1659"]
[BlackElo "1531"]
[PlyCount "62"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. g3 Bd6 13. Rxd5 cxd5 14. Bxd5 Ra7 15. Bg2 Re8 16. d4 Rae7 17. Be3 f5 18. Na3 f4 19. gxf4 Kh8 20. Nc2 Re6 21. Qf3 Rh6 22. d5 Bf5 23. Ne1 Be4 24. Qd1 Qh4 25. Nf3 Qh5 26. h3 Rg6 27. Kf1 Bxd5 28. Ne1 Bxg2+ 29. Nxg2 Qxh3 30. Ke2 Qxg2 31. Qd3 Bxf4 0-1

[Event "Wolvega op"]
[Site "Wolvega"]
[Date "2008.11.30"]
[Round "8"]
[White "Bergsma, Taeke"]
[Black "Roorda, Maarten"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "82"]
[EventDate "2008.11.29"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[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 Nf6 4. d3 Bc5 5. 0-0 d6 6. Bg5 h6 7. Bd2 Bg4 8. c3 d5 9. exd5 Nxd5 10. Qe2 0-0 11. h3 Bh5 12. b4 Bb6 13. Be3 Nxe3 14. fxe3 a6 15. Kh1 Qe7 16. e4 Nd8 17. Qe1 Qd6 18. Qg3 Nc6 19. Nh4 Ne7 20. Nd2 Kh8 21. Rae1 Rae8 22. Ndf3 Ng6 23. Nf5 Qf6 24. Nh2 Nf4 25. Ne3 Be2 26. Nd5 Bxf1 27. Nxf6 Bxg2+ 28. Qxg2 Nxg2 29. Nxe8 Nxe1 30. Nxg7 Kxg7 31. Ng4 Nf3 32. Kg2 Nd2 33. Nxe5 Nxc4 34. Nxc4 Kf6 35. Kf3 Ke6 36. d4 f6 37. d5+ Kd7 38. Kf4 Ke7 39. Kf5 Bf2 40. Na5 b6 41. Nc6+ Kd6 0-1

