[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "4"]
[White "Huizinga, Egbert"]
[Black "Maat, Ido"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "68"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 Nc6 5. Nf3 d6 6. Ng5 e6 7. d4 Be7 8. Nf3 dxe5 9. dxe5 Qxd1+ 10. Kxd1 Na5 11. Bd2 Nxb3 12. axb3 Bd7 13. Nc3 0-0 14. Be3 a6 15. Ke2 Rfd8 16. Rhd1 Be8 17. Nd4 Nd5 18. Nxd5 Rxd5 19. f4 Rad8 20. c4 R5d7 21. Nc2 Rxd1 22. Rxd1 Rxd1 23. Kxd1 c5 24. Ne1 a5 25. Nd3 b6 26. Bd2 Bc6 27. g3 h5 28. Ke2 Kh7 29. Nf2 Kg6 30. h4 Kf5 31. Ke3 f6 32. Bc3 Bd8 33. exf6 Bxf6 34. Nd3 Be4 1/2-1/2

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "7"]
[White "Maat, Ido"]
[Black "Beijer, Bart"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "45"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6 5. 0-0 Nf6 6. Re1 Be7 7. Nbd2 0-0 8. Nf1 c5 9. c3 h6 10. Ng3 Nc6 11. d5 exd5 12. exd5 Nxd5 13. Bh7+ Kxh7 14. Qxd5 Na5 15. Qd3+ Kg8 16. Nf5 Bg5 17. Bxg5 hxg5 18. Ne7+ Kh8 19. Nxg5 g6 20. Nxg6+ Kg7 21. Ne7 Rh8 22. Nxf7 Qb6 23. Nd6 1-0

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "3"]
[White "Maat, Ido"]
[Black "Pilgrim, Peter"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "2205"]
[PlyCount "50"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 Nc6 6. Bc4 Nf6 7. e5 dxe5 8. Qxd8+ Nxd8 9. Nb5 Rb8 10. Nxe5 e6 11. Nc7+ Ke7 12. Be3 b6 13. Rd1 Rb7 14. Nb5 Nd5 15. 0-0 Nxe3 16. fxe3 f6 17. Nxa7 Rxa7 18. Rxd8 Rc7 19. Rfd1 fxe5 20. Bb5 g6 21. Re8+ Kf7 22. Rdd8 Rc5 23. a4 Rc7 24. Rxc8 Rxc8 25. Rxc8 Bg7 1/2-1/2

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "8"]
[White "Maat, Ido"]
[Black "Pragt, Arjen"]
[Result "1/2-1/2"]
[ECO "C33"]
[PlyCount "59"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 d6 4. d4 g5 5. h4 h5 6. hxg5 Qxg5 7. Nf3 Qg3+ 8. Kf1 Bg4 9. Nc3 Nf6 10. e5 Bxf3 11. Qxf3 Qxf3+ 12. gxf3 dxe5 13. dxe5 Nfd7 14. Bxf4 Nc6 15. Re1 Nd4 16. e6 fxe6 17. Bxe6 Nxe6 18. Rxe6+ Kf7 19. Re2 c6 20. Ne4 Be7 21. Reh2 Kg6 22. Be3 Raf8 23. Ke2 Nb6 24. Rg2+ Kf7 25. Bd4 Rh7 26. Ng5+ Bxg5 27. Rxg5 Nd5 28. Kf2 h4 29. Rgg1 Ke8 30. Rg7 1/2-1/2

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "9"]
[White "Nyman, Johan"]
[Black "Maat, Ido"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "6"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 1/2-1/2

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "6"]
[White "Struik, Tjapko"]
[Black "Maat, Ido"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "73"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bf4 0-0 8. Bd3 Re8 9. Nge2 Bg4 10. f3 Bh5 11. Qd2 Nc6 12. 0-0-0 Nb4 13. b3 Nxd3+ 14. Qxd3 Bg6 15. Qd2 a5 16. a4 Nd7 17. Be3 h6 18. f4 Bh5 19. Rde1 Bxe2 20. Rxe2 Nf6 21. d5 Ng4 22. Bd4 Bf6 23. Ne4 Bxd4 24. Qxd4 f5 25. h3 Rxe4 26. Rxe4 fxe4 27. hxg4 Qf8 28. Qxe4 Re8 29. Qf3 Qf6 30. Kc2 Qd4 31. Rd1 Qc5 32. Rd2 Qa3 33. Rd1 Qa2+ 34. Kd3 Qxb3+ 35. Kd4 Qb2+ 36. Kd3 Qb3+ 37. Kd4 1/2-1/2

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Huizinga, Egbert"]
[Black "Maat, Ido"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "52"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 Nc6 8. Be2 0-0 9. Nf3 Bf5 10. 0-0 Bf6 11. Rc1 Na5 12. b3 Nc6 13. h3 d5 14. c5 Nc8 15. Qd2 h6 16. Bd3 Bxd3 17. Qxd3 N8e7 18. Kh1 Qd7 19. g4 g5 20. Ne2 Bg7 21. Nh2 Ng6 22. Ng3 Nd8 23. f4 gxf4 24. Bxf4 Nxf4 25. Rxf4 Ne6 26. Rf2 Nxd4 1/2-1/2

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Maat, Ido"]
[Black "Romijn, Bob"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "81"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. c4 Nf6 6. Nc3 e6 7. Nf3 Nc6 8. 0-0 Be7 9. h3 0-0 10. Be3 Nd7 11. Qd2 Nde5 12. Nd4 Nxd3 13. Qxd3 Ne5 14. Qe2 f5 15. exf5 exf5 16. Nd5 Bh4 17. Rfd1 Re8 18. Rac1 Ng6 19. Qd2 Be6 20. Nb5 f4 21. Nxf4 Nxf4 22. Bxf4 Rf8 23. Be3 Qf6 24. Nc7 Rac8 25. Nxe6 Qxe6 26. Qxd6 Qe8 27. b3 Kh8 28. Qd7 Qh5 29. Qg4 Qxg4 30. hxg4 b6 31. Rd7 Ra8 32. Rcd1 h6 33. R1d5 Bf6 34. Bd4 Bxd4 35. Rxd4 Rae8 36. Kf1 Re5 37. Rd8 Ree8 38. Rxe8 Rxe8 39. Rd7 Ra8 40. Ke2 Re8+ 41. Kd2 1-0

