[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.11.02"]
[Round "9"]
[White "Markuszewski, Maksymilian"]
[Black "Westerlaan, Sander"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2079"]
[BlackElo "1979"]
[PlyCount "81"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. c5 b6 6. cxb6 c5 7. Bf4 Bd6 8. Bxd6 Qxd6 9. dxc5 Qxc5 10. Qd4 Qd6 11. e4 Nc6 12. Qa4 Nxe4 13. Nxe4 dxe4 14. Nd2 0-0 15. Rd1 Bb7 16. Qxe4 f5 17. Qd3 Nd4 18. Nc4 Qb4+ 19. Qc3 Qxc3+ 20. bxc3 Nb5 21. Na5 Nxc3 22. Rd3 Nd5 23. Nxb7 Rfb8 24. Na5 Rxb6 25. Rb3 Rc8 26. Bc4 Rc5 27. Bxd5 exd5 28. Rxb6 Rc1+ 29. Ke2 Rxh1 30. Rxa6 Rxh2 31. Kf3 Rh4 32. Nc6 Re4 33. Ra7 Kf8 34. a4 h5 35. a5 h4 36. Ra8+ Kf7 37. a6 g5 38. g4 fxg4+ 39. Kg2 Re2 40. a7 Ra2 41. Rh8 1-0

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.11.01"]
[Round "8"]
[White "Westerlaan, Sander"]
[Black "Wildschut, Marcel"]
[Result "1-0"]
[ECO "D39"]
[WhiteElo "1979"]
[BlackElo "2069"]
[PlyCount "111"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 dxc4 7. a3 Bxc3+ 8. bxc3 Qd5 9. Bxf6 gxf6 10. Nd2 b5 11. Qc2 Rb8 12. Ne4 Ke7 13. e3 Qf5 14. Be2 Na5 15. Qb2 Nb3 16. Ng3 Qg6 17. Rd1 Bb7 18. Bh5 Qh6 19. 0-0 Rhg8 20. Qe2 f5 21. Rfe1 Rbd8 22. Bf3 Bd5 23. Bxd5 Rxd5 24. e4 fxe4 25. Qxe4 Kd7 26. Qf3 Qg6 27. Re5 c6 28. Nh5 Rxe5 29. dxe5+ Kc7 30. Nf6 Rd8 31. Rxd8 Kxd8 32. h4 Kc7 33. Qd1 Qd3 34. Qxd3 cxd3 35. Kf1 Kd8 36. Ke1 c5 37. Nxh7 a5 38. Ng5 b4 39. cxb4 cxb4 40. a4 Nd4 41. Kd2 b3 42. Ne4 b2 43. Nc3 Nc6 44. f4 Nb4 45. Nb1 Ke7 46. g3 f6 47. Kc3 fxe5 48. fxe5 Kf7 49. Kxb2 Nc6 50. Kc3 Nxe5 51. Nd2 Kg6 52. Nb3 Kf5 53. Nxa5 Ke4 54. Nb3 Ke3 55. a5 Ng4 56. a6 1-0

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.31"]
[Round "7"]
[White "Westerlaan, Sander"]
[Black "Ritzerveld, Noah"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1979"]
[BlackElo "2281"]
[PlyCount "55"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. Be2 e6 7. 0-0 Bb7 8. b3 cxb3 9. d5 exd5 10. exd5 Be7 11. dxc6 Nxc6 12. Qxb3 a6 13. Be3 0-0 14. Rfd1 Qc7 15. Rac1 Rac8 16. Ng5 Qb8 17. Nd5 Nxd5 18. Qxd5 Ne5 19. Qd4 Rxc1 20. Rxc1 Rd8 21. Qf4 h6 22. Ne4 Nc4 23. Qxb8 Rxb8 24. Bf4 Rd8 25. Bf3 Rd4 26. Be3 Rxe4 27. Bxe4 Bxe4 28. Bd4 0-1

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.30"]
[Round "6"]
[White "Grooten, Herman"]
[Black "Westerlaan, Sander"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2216"]
[BlackElo "1979"]
[PlyCount "72"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 0-0 8. Qc2 h6 9. Bh4 Re8 10. Nge2 Nbd7 11. h3 Qa5 12. 0-0-0 Ne4 13. Bxe4 dxe4 14. Nxe4 Bf8 15. Kb1 Nb6 16. Nc5 Bxc5 17. Qxc5 Qxc5 18. dxc5 Nd7 19. Rc1 Re5 20. Rhd1 Nxc5 21. g4 b6 22. b4 Ba6 23. Nd4 Nd3 24. Nxc6 Nxc1 25. Nxe5 Ne2 26. Rd7 f6 27. Nc6 Bb5 28. Ne7+ Kf8 29. Rc7 a5 30. bxa5 Rxa5 31. f4 Bd3+ 32. Kb2 Rb5+ 33. Ka3 Ra5+ 34. Kb4 Rb5+ 35. Ka4 Ra5+ 36. Kb4 Rb5+ 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.29"]
[Round "4"]
[White "Westerlaan, Sander"]
[Black "Emans, Job"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1979"]
[BlackElo "2118"]
[PlyCount "45"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. b3 0-0 6. Bb2 dxc4 7. bxc4 c5 8. Be2 Nc6 9. d4 cxd4 10. exd4 b6 11. 0-0 Bb7 12. Qb3 Na5 13. Qa4 Rc8 14. d5 exd5 15. cxd5 Nxd5 16. Nxd5 Qxd5 17. Qg4 f6 18. Nd4 Qg5 19. Nf5 Rf7 20. Qxg5 fxg5 21. Nxe7+ Rxe7 22. Rfe1 Rce8 23. Bc3 0-1

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.28"]
[Round "3"]
[White "Gortemaker, Lucas"]
[Black "Westerlaan, Sander"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2073"]
[BlackElo "1979"]
[PlyCount "129"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. d3 Bg4 6. h3 Bxf3 7. Qxf3 g6 8. a4 Bg7 9. 0-0 0-0 10. Na3 Qd7 11. Be3 b6 12. Nc4 Ne8 13. Qg3 Nd6 14. Ne5 Qe6 15. Bf4 f5 16. Nf3 fxe4 17. Ng5 Qf6 18. Bxd6 exd6 19. dxe4 Qf4 20. Qxf4 Rxf4 21. g3 Rf6 22. a5 b5 23. Rad1 Re8 24. f4 h6 25. e5 dxe5 26. Ne4 Rff8 27. Nxc5 exf4 28. c3 fxg3 29. Rd6 Rxf1+ 30. Kxf1 Rf8+ 31. Kg2 Rf2+ 32. Kxg3 Be5+ 33. Kxf2 Bxd6 34. Nb3 a6 35. Kf3 Kf7 36. Ke4 Ke6 37. Nd4+ Kd7 38. Nf3 Bg3 39. Nd2 Bc7 40. Nb3 Bd6 41. Nd2 Ke6 42. Nb3 c5 43. c4 bxc4 44. Nd2 c3 45. bxc3 Be5 46. Kd3 Kd5 47. Nc4 Bf4 48. Nb6+ Kc6 49. Kc4 Bc7 50. Nd5 Bd6 51. Nb6 g5 52. Nd5 Bf8 53. Nf6 Bd6 54. Ng4 h5 55. Nf6 Be5 56. Ne4 g4 57. hxg4 hxg4 58. Nxc5 Bxc3 59. Nd3 Bf6 60. Nb4+ Kb7 61. Kd3 Bc3 62. Nd5 Bxa5 63. Ne7 g3 64. Ke2 Bc7 65. Ke1 0-1

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.27"]
[Round "2"]
[White "Westerlaan, Sander"]
[Black "Zecha, Oscar"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1979"]
[BlackElo "2097"]
[PlyCount "62"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 b6 5. b3 Bb7 6. Bb2 Be7 7. Be2 0-0 8. 0-0 Nbd7 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. Qc2 Bf6 12. d4 c5 13. e4 Bb7 14. e5 Be7 15. Rfd1 Rc8 16. Qd2 cxd4 17. Qxd4 Bd5 18. Qg4 Rc2 19. Rxd5 exd5 20. Bb5 Rxb2 21. Bxd7 Bc5 22. Bf5 Rxf2 23. Kh1 g6 24. Re1 Rxa2 25. e6 Qf6 26. exf7+ Kg7 27. Bb1 Rf2 28. h4 Rxf7 29. Bd3 Rxf3 30. gxf3 Qxf3+ 31. Qxf3 Rxf3 0-1

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.26"]
[Round "1"]
[White "Aravindhan, Achyuth"]
[Black "Westerlaan, Sander"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2173"]
[BlackElo "1979"]
[PlyCount "181"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 g6 9. Be2 Bg7 10. 0-0 Rc8 11. Be3 Nf6 12. Qd2 0-0 13. Rad1 Nd4 14. Bd3 Qa5 15. f4 Ng4 16. f5 Bd7 17. h3 Nxe3 18. Qxe3 f6 19. Nd5 Rce8 20. Nc2 Nxc2 21. Bxc2 gxf5 22. exf5 Qc5 23. b4 Qxe3+ 24. Nxe3 Bh6 25. Ng4 Bg5 26. Rxd6 Bc8 27. Be4 Kf7 28. Rfd1 Ke7 29. Bxb7 Bxf5 30. Bxa6 h5 31. Nf2 e4 32. g4 Bf4 33. Rb6 Rg8 34. Rb7+ Kf8 35. Rb6 Be6 36. Bb5 Re7 37. Rd8+ Kf7 38. Rxg8 Kxg8 39. Kf1 e3 40. Ne4 e2+ 41. Kxe2 f5 42. Nc5 Bxc4+ 43. Kf3 fxg4+ 44. hxg4 Bxa2 45. Kxf4 Rf7+ 46. Kg3 hxg4 47. Rb8+ Kg7 48. Rb7 Rxb7 49. Nxb7 Kf6 50. Kxg4 Ke5 51. Na5 Kd4 52. Bc6 Kc3 53. b5 Kb4 54. b6 Be6+ 55. Kf4 Bc8 56. b7 Bxb7 57. Nxb7 Kc4 58. Ke3 Kc3 59. Nd6 Kb4 60. Kd4 Kb3 61. Bd5+ Kb4 62. Bc4 Ka3 63. Kc3 Ka4 64. Nb7 Ka3 65. Bb5 Ka2 66. Na5 Ka3 67. Nc4+ Ka2 68. Ne3 Ka3 69. Nc2+ Ka2 70. Bc4+ Kb1 71. Bb3 Kc1 72. Ba2 Kd1 73. Kd3 Kc1 74. Kc3 Kd1 75. Nd4 Ke1 76. Bd5 Kd1 77. Be4 Ke1 78. Kd3 Kf2 79. Ne2 Ke1 80. Ke3 Kd1 81. Bd3 Ke1 82. Bc2 Kf1 83. Nf4 Ke1 84. Ng2+ Kf1 85. Kf3 Kg1 86. Kg3 Kf1 87. Bd3+ Kg1 88. Nf4 Kh1 89. Be2 Kg1 90. Nh3+ Kh1 91. Bf3# 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.21"]
[Round "7"]
[White "Gomez Becerra, Pablo"]
[Black "Westerlaan, Sander"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1696"]
[BlackElo "1960"]
[PlyCount "66"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Be2 Bd6 6. Nc3 Nbd7 7. cxd5 exd5 8. Qb3 Nb6 9. a4 a5 10. Nb5 Be7 11. Bd3 Ne4 12. 0-0 c6 13. Na3 Bd6 14. Qc2 Qf6 15. b3 Qh6 16. Nc4 Nxc4 17. bxc4 Ng5 18. Ne5 Bxe5 19. dxe5 Nf3+ 20. gxf3 Qg6+ 21. Kh1 Bxd3 22. Qd1 Bxf1 23. Qxf1 Qf5 24. Qe2 dxc4 25. Qxc4 Qxf3+ 26. Kg1 0-0-0 27. Ba3 Rhe8 28. Bd6 Re6 29. Rc1 Qh3 30. Kh1 Qf3+ 31. Kg1 h5 32. Kf1 Rg6 33. Qc5 Rg2 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.21"]
[Round "6"]
[White "Westerlaan, Sander"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1960"]
[BlackElo "2250"]
[PlyCount "52"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 0-0 9. Rc1 Rd8 10. cxd5 exd5 11. Bb5 Bg4 12. Bxc6 Bxc3+ 13. Rxc3 Bxf3 14. Bxb7 Rab8 15. gxf3 Qxf3 16. Rg1 Rxb7 17. b3 Qf5 18. Qc6 Rb6 19. Qxc7 Re8 20. Rc1 Rf6 21. Qc2 Qf4 22. Rg3 Qxd4 23. Qc3 Qf4 24. Kd1 Qxf2 25. Rc2 Qf1+ 26. Kd2 Rf2# 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "5"]
[White "Keuning, Selwin"]
[Black "Westerlaan, Sander"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2148"]
[BlackElo "1960"]
[PlyCount "66"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 Nc6 5. d5 Ne5 6. Be2 e6 7. Nf3 exd5 8. exd5 Nxf3+ 9. Bxf3 Be7 10. 0-0 0-0 11. a4 Bf5 12. Na3 a6 13. Bf4 Qc7 14. Re1 Rfe8 15. Nc4 Bf8 16. Rxe8 Rxe8 17. a5 g6 18. h3 Be4 19. Nb6 Bg7 20. Bxe4 Rxe4 21. Qf3 Qe7 22. Nc8 Qc7 23. Nb6 Qe7 24. Nc8 Qc7 25. Nb6 Re8 26. Nc4 Re4 27. Nb6 Qe7 28. Nc8 Qc7 29. Nxd6 Rxf4 30. Qxf4 Ne8 31. Qxf7+ Qxf7 32. Nxf7 Kxf7 33. Re1 Nd6 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "4"]
[White "Westerlaan, Sander"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1960"]
[BlackElo "1746"]
[PlyCount "71"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. g3 d5 5. Bg2 c6 6. 0-0 Bd6 7. Bf4 Bxf4 8. gxf4 0-0 9. e3 Bd7 10. Nbd2 Be8 11. Qc2 Ne4 12. Ne5 Nd7 13. Nxd7 Qxd7 14. Nf3 Qe7 15. Ne5 Qh4 16. f3 Nf6 17. c5 Nh5 18. Rf2 Rf6 19. Bf1 Rh6 20. Bd3 Nxf4 21. exf4 Qxf4 22. Qc3 Rh4 23. Bf1 Qxd4 24. Qxd4 Rxd4 25. f4 Bh5 26. Rc1 Rf8 27. a3 Rf6 28. Rc3 Bd1 29. Ba6 bxa6 30. Nxc6 Rc4 31. Rxc4 dxc4 32. Ne5 c3 33. bxc3 Rf8 34. c6 Bb3 35. Rb2 Bd5 36. c7 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.19"]
[Round "2"]
[White "Ambrona Navarro, Himar"]
[Black "Westerlaan, Sander"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1833"]
[BlackElo "1960"]
[PlyCount "40"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 c5 6. Bd3 0-0 7. Nf3 Qc7 8. Nbd2 Nbd7 9. Bxd6 Qxd6 10. 0-0 e5 11. dxc5 Nxc5 12. Bc2 e4 13. Nd4 Ng4 14. g3 Qh6 15. h4 g5 16. Kg2 gxh4 17. Rh1 h3+ 18. Kg1 a5 19. Qf1 h2+ 20. Kg2 Nxe3+ 0-1

[Event "Groningen op 58th"]
[Site "Groningen"]
[Date "2022.12.26"]
[Round "5"]
[White "Westerlaan, Sander"]
[Black "Matsumura, Cocoro"]
[Result "0-1"]
[ECO "D29"]
[WhiteElo "1954"]
[BlackElo "2133"]
[PlyCount "62"]
[EventDate "2022.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bb3 Bb7 8. Qe2 Nbd7 9. 0-0 c5 10. Rd1 Qb8 11. d5 exd5 12. Bxd5 Nxd5 13. Nxd5 Bd6 14. b3 0-0 15. Bb2 Ne5 16. Bxe5 Bxe5 17. Rac1 Bd6 18. e4 Re8 19. Rc3 h6 20. Re3 Bc6 21. e5 Bf8 22. Qc2 Qb7 23. Ng5 hxg5 24. Rh3 f5 25. exf6 Bxd5 26. Qg6 Be4 27. f7+ Qxf7 28. Rh8+ Kxh8 29. Qxf7 Rad8 30. Re1 Bg6 31. Rxe8 Rd1+ 0-1

[Event "Groningen op 58th"]
[Site "Groningen"]
[Date "2022.12.24"]
[Round "4"]
[White "Maatman, Nick"]
[Black "Westerlaan, Sander"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2348"]
[BlackElo "1954"]
[PlyCount "55"]
[EventDate "2022.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 e6 12. 0-0-0 Be7 13. Kb1 0-0 14. Qe3 Qb6 15. Rd3 Qb5 16. Ne5 Nb6 17. c4 Qa6 18. Rc1 Nbd7 19. Nxd7 Nxd7 20. Ne4 Rae8 21. Nd6 Rd8 22. Ra3 Qb6 23. c5 Qc7 24. Bg3 e5 25. dxe5 Bxd6 26. cxd6 Qc8 27. Bh4 Rde8 28. Be7 1-0

[Event "Groningen Compact op-D"]
[Site "Groningen"]
[Date "2008.12.30"]
[Round "5"]
[White "Westerlaan, Sander"]
[Black "Steenbergen, Ruud"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1200"]
[BlackElo "1418"]
[PlyCount "53"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 h6 5. Qc2 Be7 6. e4 dxe4 7. Nxe4 Nc6 8. Be3 Ng4 9. Be2 Nxe3 10. fxe3 Bb4+ 11. Nc3 f5 12. a3 Be7 13. b4 Bg5 14. b5 Na5 15. Ne5 h5 16. Qd1 Bxe3 17. Bxh5+ Kf8 18. Ng6+ Kg8 19. Nxh8 Kxh8 20. Be2 Bxd4 21. Rc1 c5 22. bxc6 bxc6 23. Bf3 Nxc4 24. Bxc6 Rb8 25. Qh5+ Kg8 26. Nb5 Qa5+ 27. Kf1 1/2-1/2

[Event "Groningen Compact op-D"]
[Site "Groningen"]
[Date "2008.12.28"]
[Round "3"]
[White "Kazarian, Anna Maja"]
[Black "Westerlaan, Sander"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1381"]
[BlackElo "1200"]
[PlyCount "130"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. Bg5 d4 9. a3 Ba5 10. b4 Nxb4 11. axb4 Bxb4 12. 0-0 Bxc3 13. Rb1 Qc7 14. Bd2 Bxd2 15. Nxd2 0-0 16. Nb3 a5 17. Qc1 Be6 18. Nd2 Rfb8 19. Bb5 a4 20. Ra1 Bd7 21. Bxd7 Qxd7 22. Nc4 Qb5 23. Na3 Qc6 24. f3 b5 25. Qd2 b4 26. Nb1 a3 27. Qc1 a2 28. Nd2 d3 29. cxd3 Qxc1 30. Rfxc1 b3 31. Nxb3 Rxb3 32. Rxa2 Rab8 33. Rac2 Kf8 34. Rc5 Nd7 35. Rd5 Ke8 36. Rc7 Rb1+ 37. Kf2 R8b2+ 38. Kg3 Rg1 39. h3 Rgxg2+ 40. Kh4 g5+ 41. Kh5 Nf6+ 42. Kh6 Nxd5 43. exd5 Rb6+ 44. Kg7 Rg6+ 45. Kh8 Ra2 46. Rc8+ Kd7 47. Rf8 Ke7 48. Rb8 Ra7 49. Rc8 Rd7 50. Ra8 Rd8+ 51. Rxd8 Kxd8 52. Kxh7 Ke8 53. Kh8 Kf8 54. Kh7 Ke7 55. Kh8 Kd6 56. Kh7 Kxd5 57. Kh8 Kd4 58. Kh7 Kxd3 59. Kh8 Ke3 60. Kh7 Kxf3 61. Kh8 e4 62. Kh7 e3 63. Kh8 e2 64. Kh7 e1Q 65. Kh8 Qh4# 0-1

