[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.13"]
[Round "7"]
[White "Buis, Jan"]
[Black "Lennartz, Ludwig"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1509"]
[BlackElo "1626"]
[PlyCount "84"]
[EventDate "2011.06.10"]
[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. Nf3 g6 3. h3 Bg7 4. Bf4 d6 5. e3 0-0 6. c3 Nbd7 7. Nbd2 c5 8. Be2 cxd4 9. exd4 Nd5 10. Bh2 e5 11. dxe5 dxe5 12. Bc4 N7b6 13. Bxd5 Nxd5 14. 0-0 Re8 15. Re1 f6 16. c4 Nb4 17. Qb3 Nd3 18. Re3 Nc5 19. Qa3 Bf8 20. b4 Na6 21. c5 Bh6 22. Rd3 Qe7 23. Ne4 Bf5 24. Nd6 Bxd3 25. Nxe8 Rxe8 26. Qxd3 Kg7 27. Qe4 Rd8 28. Bg3 Nb8 29. h4 Nc6 30. a3 Nd4 31. Nxd4 Rxd4 32. Qc2 Qd7 33. Qb3 Rd2 34. Qf3 Rd3 35. Qe4 Kg8 36. Qc4+ Kf8 37. a4 Qd4 38. Qxd4 Rxd4 39. b5 Rc4 40. Rd1 Ke7 41. Rd5 Rxa4 42. c6 bxc6 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.13"]
[Round "6"]
[White "Krug, Franz Dieter"]
[Black "Buis, Jan"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "1411"]
[BlackElo "1509"]
[PlyCount "106"]
[EventDate "2011.06.10"]
[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 c5 3. d5 d6 4. Nc3 g6 5. h3 Bg7 6. Bf4 0-0 7. e3 Na6 8. a3 Nc7 9. Bd3 Bd7 10. Nf3 a6 11. 0-0 b5 12. Rc1 bxc4 13. Bxc4 Bb5 14. b3 Bxc4 15. bxc4 Rb8 16. Qc2 Nh5 17. Bh2 Bxc3 18. Qxc3 Ne8 19. Rb1 Nef6 20. Qc2 Qc7 21. e4 Nd7 22. Rfe1 Rxb1 23. Rxb1 Rb8 24. Re1 f6 25. g4 Ng7 26. g5 Ne5 27. Nxe5 fxe5 28. f4 exf4 29. Bxf4 Nh5 30. Bh2 Qd7 31. Qc3 Rf8 32. Qe3 Ng7 33. Rf1 Rxf1+ 34. Kxf1 a5 35. Kg2 a4 36. Qf3 Qc8 37. Bf4 Qd7 38. Kh2 Qc8 39. Bc1 Qf8 40. Qe2 Qf7 41. Kg2 Qf8 42. Qc2 Qe8 43. Bb2 Nh5 44. Qc3 Kf7 45. Qf3+ Kg8 46. Qg4 Qf7 47. Kg1 Qf4 48. Qe6+ Qf7 49. Qd7 Ng3 50. Kg2 Qf1+ 51. Kxg3 Qe1+ 52. Kf4 Qf2+ 53. Kg4 Qg2+ 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.12"]
[Round "5"]
[White "Buis, Jan"]
[Black "Schoffelen, Jan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1509"]
[BlackElo "1345"]
[PlyCount "61"]
[EventDate "2011.06.10"]
[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 d5 2. Nf3 Nf6 3. Bf4 Bg4 4. e3 e6 5. Be2 Bxf3 6. Bxf3 c5 7. c3 Nc6 8. Nd2 c4 9. h3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Re1 b5 13. e4 dxe4 14. Bxe4 Rac8 15. Bc2 a5 16. Ne4 Nxe4 17. Rxe4 g6 18. Qd2 Kg7 19. Rae1 Ne7 20. Re5 Nd5 21. R5e4 Nc7 22. Rh4 h5 23. Qg5 Qd8 24. Rxh5 Qxg5 25. Rxg5 f5 26. Rg3 Kf6 27. Rge3 Rfe8 28. Re5 Nd5 29. a3 a4 30. Bd1 Rb8 31. Bc2 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.12"]
[Round "4"]
[White "Mohr, Markus"]
[Black "Buis, Jan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1597"]
[BlackElo "1509"]
[PlyCount "90"]
[EventDate "2011.06.10"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 e6 6. Bf4 a6 7. Nd2 Bd6 8. Bxd6 Qxd6 9. Ngf3 Nbd7 10. 0-0 0-0 11. Re1 Qc7 12. Ne5 b5 13. Ndf3 Bb7 14. Nxd7 Nxd7 15. Re3 g6 16. a3 Kg7 17. Ne5 Nxe5 18. Rxe5 Qd8 19. Qb3 Qc7 20. a4 Bc6 21. axb5 Bxb5 22. Qc2 Rfc8 23. Ree1 Bxd3 24. Qxd3 Qc4 25. Qxc4 Rxc4 26. Kf1 a5 27. Ke2 a4 28. Kd3 Rcc8 29. Ra2 Rcb8 30. Rea1 Rb3 31. Kc2 Rab8 32. Rb1 Ra8 33. Rba1 Rab8 34. Rb1 Ra8 35. Ra3 Rxa3 36. bxa3 Ra7 37. Rb4 Kf6 38. c4 dxc4 39. Rxc4 Ke7 40. Rc5 Kd6 41. f4 Rb7 42. Ra5 Rb3 43. Rxa4 Re3 44. Kd1 h5 45. Kd2 Rb3 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.11"]
[Round "2"]
[White "Brookes, Jean Paul"]
[Black "Buis, Jan"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1586"]
[BlackElo "1509"]
[PlyCount "45"]
[EventDate "2011.06.10"]
[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 c6 2. f4 d5 3. e5 Bf5 4. d4 e6 5. Nd2 h6 6. c3 Nd7 7. Qb3 Qb6 8. Ngf3 Qxb3 9. Nxb3 Be7 10. Be2 a5 11. a4 Bd8 12. Bd2 Ne7 13. 0-0 0-0 14. Rfc1 Bg4 15. h3 Bxf3 16. Bxf3 Bb6 17. Be2 Rfd8 18. Be3 Kf8 19. Bd3 Kg8 20. g4 f5 21. c4 dxc4 22. Bxc4 Nf8 23. Rd1 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.11"]
[Round "3"]
[White "Buis, Jan"]
[Black "Klokgieters, Jeroen"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1509"]
[BlackElo "1150"]
[PlyCount "51"]
[EventDate "2011.06.10"]
[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 d5 2. Nf3 Bf5 3. Bf4 Nf6 4. h3 h6 5. e3 Nbd7 6. Nbd2 e6 7. c3 c5 8. Be2 Be7 9. a4 0-0 10. 0-0 c4 11. Ne5 Nxe5 12. Bxe5 a6 13. Bxf6 Bxf6 14. Nf3 b5 15. axb5 axb5 16. Qd2 Qb6 17. Ne5 Bxe5 18. dxe5 Rfb8 19. b4 cxb3 20. Qb2 Rxa1 21. Rxa1 Bc2 22. Bd1 b4 23. Bxc2 bxc2 24. cxb4 c1Q+ 25. Rxc1 Qxb4 26. Qxb4 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.10"]
[Round "1"]
[White "Buis, Jan"]
[Black "Mooren, Jo"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1509"]
[BlackElo "1685"]
[PlyCount "54"]
[EventDate "2011.06.10"]
[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 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nf6 5. h3 a6 6. c3 Nbd7 7. Be2 c5 8. Na3 0-0 9. Nc2 b5 10. 0-0 Bb7 11. a3 c4 12. Re1 Re8 13. Bh2 Nb6 14. Nd2 Qd7 15. Bf3 d5 16. Be5 Qd8 17. Rb1 Nfd7 18. Bxg7 Kxg7 19. e4 e6 20. exd5 exd5 21. Ne3 Nf6 22. Qc2 Qd6 23. Re2 Re7 24. Rbe1 Rae8 25. Nef1 Rxe2 26. Rxe2 Rxe2 27. Bxe2 Bc8 1/2-1/2

[Event "London U190 op"]
[Site "Islington"]
[Date "1973.12.??"]
[Round "?"]
[White "Adams, Philip"]
[Black "Buis, Jan"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "47"]
[EventDate "1973.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. c3 Be7 5. Bg2 d5 6. d3 Nf6 7. Nf3 b6 8. 0-0 Ba6 9. e5 Nd7 10. c4 dxc4 11. dxc4 Qc7 12. Re1 Bb7 13. Nc3 a6 14. Bf4 h6 15. Ne4 g5 16. Nd6+ Bxd6 17. exd6 Qb8 18. Ne5 Nd4 19. Qh5 Rh7 20. Nxf7 Rxf7 21. Rxe6+ Nxe6 22. Re1 gxf4 23. Rxe6+ Kf8 24. Qxh6+ 1-0

