[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.13"]
[Round "1"]
[White "Kastelein, Gerard"]
[Black "Vreeburg, Jan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1755"]
[BlackElo "1924"]
[PlyCount "48"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nf6 4. Qf3 Nbd7 5. d4 Nxe4 6. Qxe4 Nf6 7. Qe5 g6 8. Bc4 Bg7 9. Qb5+ c6 10. Qb3 0-0 11. Nf3 b5 12. Bxf7+ Rxf7 13. Ne5 Qd5 14. Nxf7 Kxf7 15. 0-0 Be6 16. Re1 Qf5 17. Qe3 Ng4 18. Qe2 Bxd4 19. Be3 Bxb2 20. Rad1 Bc3 21. Bd2 Bf6 22. h3 Ne5 23. Bc3 Nf3+ 24. gxf3 Bxc3 0-1

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.23"]
[Round "9"]
[White "Kubbenga, Michael"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1896"]
[BlackElo "1742"]
[PlyCount "51"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e6 7. Nc3 Qh5 8. Bb5 Nge7 9. Qe2 a6 10. f4 Qh4 11. Bd3 0-0-0 12. a3 g5 13. fxg5 h6 14. Bd2 Bg7 15. 0-0-0 hxg5 16. Be1 Qh3 17. Kb1 e5 18. d5 Nb8 19. e4 Nd7 20. Na4 Qh6 21. Bb4 Ng6 22. Qc2 Bf8 23. Rc1 Bd6 24. Ba5 Kb8 25. Bxa6 bxa6 26. Qc6 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.17"]
[Round "4"]
[White "Matai, Rudi"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1866"]
[BlackElo "1742"]
[PlyCount "77"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Bg4 4. Be2 Nf6 5. h3 Bxf3 6. Bxf3 e5 7. fxe5 Nxe5 8. b3 Ne4 9. Bxe4 Qh4+ 10. Ke2 dxe4 11. Qf1 Qh5+ 12. Ke1 Be7 13. d4 exd3 14. cxd3 Qg6 15. d4 Bh4+ 16. Kd2 0-0-0 17. g4 Qc6 18. Qf5+ Nd7 19. Rh2 g6 20. Qf4 Be1+ 21. Kd1 h5 22. Rc2 Nc5 23. Ke2 Qb5+ 24. Rc4 Ne6 25. Qxf7 Qd5 26. Kxe1 hxg4 27. Nc3 Qh1+ 28. Kd2 Qg2+ 29. Kd3 Rhe8 30. Nb5 Kb8 31. hxg4 a6 32. Nxc7 Nxc7 33. Qxc7+ Ka8 34. b4 Qxg4 35. Qf4 Qe6 36. Bd2 Rf8 37. Qe4 Qf7 38. Rac1 Rfe8 39. Rc7 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.14"]
[Round "1"]
[White "Kastelein, Gerard"]
[Black "Koelmans, Jan Willem"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1742"]
[BlackElo "1916"]
[PlyCount "78"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg5 d6 6. Nxc6 bxc6 7. g3 Rb8 8. Bg2 Bd7 9. Rb1 Qa5 10. Qd2 h6 11. Be3 e6 12. 0-0 Be7 13. b4 Qc7 14. a4 0-0 15. Rfd1 d5 16. Qd4 e5 17. Qxa7 Rb7 18. Qa6 Rxb4 19. Rxb4 Bxb4 20. Na2 Ba5 21. Rb1 Bc8 22. Qa7 Qxa7 23. Bxa7 Ba6 24. e3 Ra8 25. Bb8 Bc4 26. Nc1 Bc3 27. Nd3 Nd7 28. Bd6 Rxa4 29. Bh3 e4 30. Nf4 Ne5 31. Rb8+ Kh7 32. Bf5+ g6 33. Bxg6+ Nxg6 34. h4 Nxf4 35. Bxf4 Be2 36. g4 Bxg4 37. Kg2 Be6 38. Kg3 Rc4 39. Bd6 Bg7 0-1

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.25"]
[Round "6"]
[White "Kastelein, Gerard"]
[Black "Toll, Maarten"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1816"]
[BlackElo "1886"]
[PlyCount "104"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. c4 e6 4. Nc3 Nf6 5. e3 g6 6. Nf3 Bg7 7. Nb5 0-0 8. Nxc7 Rb8 9. Nb5 Ra8 10. Bd6 Ne7 11. c5 Ne4 12. Nc7 Rb8 13. Nxe6 Bxe6 14. Bxb8 Qa5+ 15. Nd2 Rxb8 16. Bd3 Nf6 17. a3 Qc7 18. b4 Ng4 19. h3 Nh6 20. 0-0 Qd7 21. b5 Nhf5 22. Qf3 g5 23. g4 Nh4 24. Qg3 Rf8 25. f4 f6 26. fxg5 fxg5 27. Rxf8+ Bxf8 28. Rf1 Bf7 29. Bxh7+ Kxh7 30. Rxf7+ Kg8 31. Qf2 Nhg6 32. Qf6 Qxb5 33. Rxf8+ Nxf8 34. Qxe7 Qe2 35. Qxg5+ Kh7 36. Qe7+ Kg8 37. Qg5+ Kh7 38. Qf5+ Ng6 39. Nf1 Qa2 40. h4 Kg7 41. h5 Ne7 42. h6+ Kxh6 43. g5+ Kh5 44. Qh7+ Kxg5 45. Qxe7+ Kf5 46. Qe5+ Kg4 47. Qf4+ Kh5 48. Ng3+ Kg6 49. Qf5+ Kh6 50. Qf6+ Kh7 51. Nf5 Qb1+ 52. Kf2 Qc2+ 1-0

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.25"]
[Round "7"]
[White "Kaufung, Christian"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "1816"]
[PlyCount "84"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nc6 2. Bf4 d5 3. Nf3 Bg4 4. e3 e6 5. c3 Bd6 6. Bg3 Nge7 7. Bd3 f5 8. Nbd2 0-0 9. Qb3 a5 10. a4 Rb8 11. c4 Bb4 12. Ng5 Rf6 13. cxd5 exd5 14. Qc2 h6 15. Ngf3 Bxf3 16. gxf3 f4 17. Bxf4 Rxf4 18. exf4 Nxd4 19. Bh7+ Kh8 20. Qd3 c5 21. 0-0 Bxd2 22. Kh1 Bxf4 23. Rg1 Qd6 24. Rae1 Rf8 25. Rg2 Nxf3 26. Qxf3 Kxh7 27. Qg4 Nf5 28. Reg1 g5 29. h4 Nxh4 30. Re1 Nxg2 31. Re6 Qc7 32. Qxg2 Qf7 33. Qxd5 Kg7 34. Qe4 Qh5+ 35. Kg2 Rf7 36. Qc4 Qg4+ 37. Kf1 Qd1+ 38. Kg2 Qd4 39. Qe2 Bd6 40. f3 Qf4 41. Re3 Qh2+ 42. Kf1 Qh1+ 0-1

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.24"]
[Round "4"]
[White "Kastelein, Gerard"]
[Black "Snoeck, Rene"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1816"]
[BlackElo "1956"]
[PlyCount "37"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Bf4 e6 5. Nf3 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 0-0 9. Ne5 Re8 10. 0-0 Nf8 11. Bg3 Bb4 12. Qf3 Ng6 13. Bxg6 hxg6 14. Bh4 Be6 15. Qg3 Be7 16. f4 Nh5 17. Bxe7 Nxg3 18. Bxd8 Nxf1 19. Kxf1 0-1

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.24"]
[Round "5"]
[White "Mienis, Dennis"]
[Black "Kastelein, Gerard"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1880"]
[BlackElo "1816"]
[PlyCount "104"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 Bc5 6. Bg2 0-0 7. 0-0 Re8 8. a3 e4 9. Ng5 Nxd5 10. cxd5 Qxg5 11. dxc6 Qh5 12. cxb7 Bxb7 13. e3 Qxd1 14. Rxd1 d5 15. d4 exd3 16. Rxd3 c6 17. Bd2 Rad8 18. Rc1 Bb6 19. Bb4 f5 20. Bc5 Bxc5 21. Rxc5 d4 22. Bxc6 dxe3 23. Rxe3 Rd1+ 24. Kg2 Rxe3 25. fxe3 Rd2+ 26. Kf3 Rxb2 27. Bxb7 Rxb7 28. Rxf5 g6 29. Ra5 Re7 30. Kf4 Kg7 31. e4 h6 32. h4 Kf7 33. e5 Rb7 34. g4 Rc7 35. Ra4 Ke6 36. h5 gxh5 37. gxh5 Rc6 38. Rd4 Kf7 39. Rd7+ Ke6 40. Rd6+ Rxd6 41. exd6 Kxd6 42. Kf5 Ke7 43. Kg6 a6 44. a4 a5 45. Kf5 Kd6 46. Kf6 Kd5 47. Kf7 Ke5 48. Kg6 Ke6 49. Kxh6 Kf6 50. Kh7 Kf7 51. h6 Kf8 52. Kg6 Kg8 1/2-1/2

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.23"]
[Round "2"]
[White "Kastelein, Gerard"]
[Black "Meyer, Stefan2222"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1816"]
[BlackElo "1768"]
[PlyCount "70"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Nc6 5. Nf3 dxc4 6. 0-0 Rb8 7. a4 Be7 8. Qc2 Na5 9. Nbd2 0-0 10. Nxc4 Nxc4 11. Qxc4 b6 12. Ne5 Bd7 13. Bc6 Qe8 14. Bxd7 Nxd7 15. Nc6 Ra8 16. Nxe7+ Qxe7 17. Qxc7 Rfc8 18. Qb7 Rcb8 19. Qe4 Qb4 20. Bf4 Re8 21. Qb7 Nf6 22. a5 Nd5 23. Be5 f6 24. e4 fxe5 25. exd5 bxa5 26. Qa6 exd4 27. dxe6 Qb6 28. Qc4 Rac8 29. Qa2 Qxe6 30. Qxa5 d3 31. Rfe1 Qd7 32. Qa2+ Kh8 33. Rxe8+ Rxe8 34. Qxa7 Qxa7 35. Rxa7 d2 0-1

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.23"]
[Round "3"]
[White "Veelenturf, Wim"]
[Black "Kastelein, Gerard"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "1712"]
[BlackElo "1816"]
[PlyCount "45"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 Nc6 2. f4 e5 3. d3 d5 4. exd5 Qxd5 5. Qf3 Qe6 6. Ne2 Nf6 7. Nbc3 Nb4 8. Kd1 Bd6 9. a3 Nbd5 10. Nxd5 Nxd5 11. f5 Qxf5 12. Qxd5 Qh5 13. h3 0-0 14. Qf3 Qg6 15. Qg3 Qh5 16. Qg5 Qg6 17. Nc3 Qe6 18. Be2 Be7 19. Qg3 f5 20. Qf3 c6 21. g4 e4 22. dxe4 fxg4 23. Qg3 1/2-1/2

[Event "Maastricht Limburg op-B 9th"]
[Site "Maastricht"]
[Date "2015.05.22"]
[Round "1"]
[White "Wedda, Dries"]
[Black "Kastelein, Gerard"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1674"]
[BlackElo "1816"]
[PlyCount "69"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. e4 Ng6 5. Bd3 Nf6 6. Ne2 Bc5 7. 0-0 Ng4 8. h3 Nf6 9. Nd2 d6 10. b4 Bb6 11. Nb3 c6 12. Bd2 0-0 13. a4 cxd5 14. cxd5 a6 15. Bg5 h6 16. Bxf6 Qxf6 17. Nd2 Nh4 18. Ng3 Qg5 19. Kh2 Qf4 20. Qe2 f5 21. Rac1 Bd7 22. a5 Bd8 23. Qe3 Bg5 24. Qxf4 Bxf4 25. Rc7 Ba4 26. Nc4 Bb5 27. Kg1 Bxc4 28. Rxc4 Rac8 29. Rxc8 Rxc8 30. Nxf5 Nxf5 31. exf5 Bd2 32. Rb1 Rc3 33. Bf1 Rc1 34. Rxc1 Bxc1 35. b5 1/2-1/2

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.09"]
[Round "6"]
[White "Bauchmueller, Franz Josef"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1789"]
[BlackElo "1802"]
[PlyCount "102"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. Bc4 Nf6 6. Bg5 Bc5 7. 0-0 h6 8. Bxf6 Qxf6 9. Nbd2 0-0 10. c3 Be7 11. h3 Nf4 12. Kh2 d6 13. Ng1 Qg6 14. Qf3 f5 15. Qg3 Qh5 16. Qf3 Qg6 17. Qg3 Qh7 18. Bd3 Nxd3 19. Qxd3 f4 20. Ngf3 g5 21. Rh1 Bd7 22. Kg1 Rae8 23. Kf1 Rf7 24. Ke2 Qg6 25. Rag1 Rh7 26. Kd1 c6 27. Ne1 Bd8 28. f3 Bb6 29. Rf1 cxd5 30. exd5 Bf5 31. Ne4 Rc7 32. b3 Rec8 33. c4 Ba5 34. Nc2 b5 35. Na3 a6 36. Ke2 Bb4 37. Nc2 bxc4 38. bxc4 Rxc4 39. Nxb4 Rxb4 40. Rb1 Rxe4+ 41. fxe4 Bxe4 42. Qb3 Bxb1 43. Rxb1 Qe4+ 44. Kf1 Qc4+ 45. Kg1 Qxb3 46. axb3 Rc5 47. Ra1 a5 48. Rd1 e4 49. Kh2 e3 50. g3 Rb5 51. gxf4 gxf4 0-1

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.09"]
[Round "7"]
[White "Kastelein, Gerard"]
[Black "Van Ginneken, Jeroen"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1802"]
[BlackElo "1753"]
[PlyCount "47"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 Bd7 4. Nf3 e6 5. e3 c5 6. Ne5 Nc6 7. Be2 Qb6 8. Nxd7 Nxd7 9. Nb5 Rc8 10. dxc5 Bxc5 11. 0-0 a6 12. Nc3 Qxb2 13. Nxd5 exd5 14. Qxd5 Qc3 15. Rab1 b5 16. Rb3 Qf6 17. Bg4 Qe7 18. Bxd7+ Qxd7 19. Qxc5 Ne7 20. Qe5 0-0 21. Rd3 Qb7 22. Bg5 Ng6 23. Qf5 Rxc2 24. h4 1-0

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.08"]
[Round "4"]
[White "Kastelein, Gerard"]
[Black "Rosenbrand, Stefan"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1802"]
[BlackElo "1706"]
[PlyCount "64"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nf3 Ne4 4. Bf4 c5 5. dxc5 f6 6. Bxb8 Rxb8 7. b4 e5 8. e3 Be6 9. Bb5+ Kf7 10. c3 b6 11. c6 Qc7 12. Qa4 Nd6 13. Na3 Nxb5 14. Nxb5 Qxc6 15. Qxa7+ Rb7 16. Qa6 Bd7 17. 0-0 Rb8 18. Rfd1 Qxb5 19. Qa7 Be7 20. c4 Qc6 21. Rxd5 Be6 22. Rxe5 Ra8 23. Rxe6 Qxe6 24. Qc7 Rhc8 25. Qf4 Kg8 26. h4 Bd6 27. Nd4 Bxf4 28. Nxe6 Be5 29. Rd1 Rc6 30. Nd4 Bxd4 31. Rxd4 Rac8 32. c5 bxc5 0-1

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.08"]
[Round "5"]
[White "Marechal, Georges"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1755"]
[BlackElo "1802"]
[PlyCount "83"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Be2 Bg4 5. 0-0 Nf6 6. Nc3 Qh5 7. d3 e6 8. a3 Bd6 9. g3 h6 10. Nh4 g5 11. Ne4 Bxe2 12. Nxf6+ Ke7 13. Nxh5 Bxd1 14. Rxd1 gxh4 15. g4 Nd4 16. c3 Nb3 17. Rb1 Nxc1 18. Rbxc1 Rhg8 19. h3 f5 20. f3 fxg4 21. fxg4 Rg5 22. Rf1 a5 23. a4 Re5 24. Rce1 Rg8 25. Rxe5 Bxe5 26. d4 Bh8 27. Rf3 e5 28. dxe5 Bxe5 29. Kf1 Rd8 30. Ke2 Rd6 31. Re3 Re6 32. Kf3 Kd6 33. b3 Re7 34. Kf2 Rf7+ 35. Ke2 Bh2 36. Rf3 Re7+ 37. Kd2 Be5 38. Rf5 Bxc3+ 39. Kxc3 Re3+ 40. Kc4 Rxh3 41. Rf6+ Ke5 42. Rxh6 1-0

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.07"]
[Round "2"]
[White "Kastelein, Gerard"]
[Black "Van Zwet, Matthias"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1802"]
[BlackElo "1806"]
[PlyCount "72"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Bg5 h6 5. Bh4 Nd7 6. f4 c5 7. dxc5 Nxc5 8. e5 Be6 9. Bb5+ Kf8 10. Qf3 a6 11. Rd1 axb5 12. b4 Na4 13. Rxd6 Qc8 14. Nxa4 bxa4 15. Rb6 Bg4 16. Qg3 h5 17. h3 Be6 18. c3 Nh6 19. Qf3 Nf5 20. Bg5 h4 21. Rxb7 Ng3 22. Bxe7+ Kg8 23. Rh2 Nf5 24. Ne2 Bxa2 25. g4 hxg3 26. Nxg3 Be6 27. Nxf5 Bxf5 28. Bd6 a3 29. Rc7 Qd8 30. Ra2 Rxh3 31. Qg2 Qh4+ 32. Rf2 a2 33. Qxa8+ Kh7 34. Qxa2 Re3+ 35. Kd1 Qh1+ 36. Kd2 Qe1# 0-1

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.07"]
[Round "3"]
[White "Uckerman, John"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1708"]
[BlackElo "1802"]
[PlyCount "79"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 Nf6 3. Nf3 d6 4. h3 e5 5. d4 exd4 6. Nxd4 Ne5 7. Be2 d5 8. f4 Ng6 9. e5 Ne4 10. Nxe4 dxe4 11. 0-0 Bc5 12. Be3 Qe7 13. c3 0-0 14. Qc2 f5 15. Bc4+ Kh8 16. Qf2 a6 17. g3 Bb6 18. a4 Nxe5 19. fxe5 Qxe5 20. Qf4 Qf6 21. Kh2 Bc5 22. Nxf5 Qb6 23. Qe5 Bxf5 24. Bxc5 Qxb2+ 25. Rf2 Qxa1 26. Bxf8 Rxf8 27. Rxf5 Qb2+ 28. Kh1 Qc1+ 29. Bf1 Qa3 30. Rxf8+ Qxf8 31. Be2 h6 32. Qxe4 Qd6 33. Bd3 g6 34. Qxg6 Qd5+ 35. Qe4 Qd7 36. Qf5 Qc6+ 37. Qe4 Qd7 38. Qe5+ Kg8 39. Bc4+ Kh7 40. Qe4+ 1-0

[Event "Maastricht Limburg op-B 8th"]
[Site "Maastricht"]
[Date "2014.06.06"]
[Round "1"]
[White "De Mey, Juan Pablo"]
[Black "Kastelein, Gerard"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1946"]
[BlackElo "1802"]
[PlyCount "23"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 Bg4 4. Be3 e6 5. g3 Bxf3 6. exf3 dxc4 7. Bxc4 Bb4+ 8. Nc3 Nge7 9. 0-0 Nf5 10. d5 Bxc3 11. bxc3 Nxe3 12. fxe3 1/2-1/2

[Event "Spijkenisse op-B 3rd"]
[Site "Spijkenisse"]
[Date "2013.10.27"]
[Round "5"]
[White "Kastelein, Gerard"]
[Black "Van den Burg, Karel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1749"]
[BlackElo "1603"]
[PlyCount "70"]
[EventDate "2013.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e3 Be7 4. Bd3 d5 5. Nd2 b6 6. Qe2 0-0 7. h4 Nbd7 8. f4 c5 9. c3 Bb7 10. 0-0-0 Re8 11. Qf3 Qc7 12. Ne2 a5 13. g4 cxd4 14. exd4 a4 15. a3 Ba6 16. Bc2 Bc4 17. Nxc4 Qxc4 18. Kb1 b5 19. Bd3 Qc6 20. Ng3 Rac8 21. Bxf6 Bxf6 22. g5 Be7 23. Rc1 Nb6 24. h5 Nc4 25. Rh2 b4 26. axb4 a3 27. bxa3 Nxa3+ 28. Kb2 Bxb4 29. Kb3 Be7 30. g6 Rb8+ 31. Ka2 fxg6 32. c4 Qa4 33. Rb2 Rxb2+ 34. Kxb2 Rb8+ 35. Ka1 Nc2# 0-1

[Event "Spijkenisse op-B 3rd"]
[Site "Spijkenisse"]
[Date "2013.10.27"]
[Round "6"]
[White "Sandifort, Jerry"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1458"]
[BlackElo "1749"]
[PlyCount "48"]
[EventDate "2013.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Be2 Bg4 6. 0-0 Nf6 7. d4 0-0-0 8. Be3 e5 9. Bd2 Bxf3 10. Bxf3 Nxd4 11. Bg4+ Nxg4 12. Qxg4+ f5 13. Qd1 Be7 14. Kh1 Qa6 15. Qc1 f4 16. Re1 f3 17. g3 Ne2 18. Nxe2 fxe2 19. Be3 Qc6+ 20. Kg1 Qf3 21. c3 Rd3 22. Qc2 Rxe3 23. fxe3 Qxe3+ 24. Kh1 Qf3+ 0-1

[Event "Spijkenisse op-B 3rd"]
[Site "Spijkenisse"]
[Date "2013.10.26"]
[Round "2"]
[White "Kastelein, Gerard"]
[Black "De Wilde, Steven"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1749"]
[BlackElo "1629"]
[PlyCount "54"]
[EventDate "2013.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. e4 d5 4. dxc5 Bxc5 5. Qg4 Nf6 6. Qxg7 Rg8 7. Qh6 Bxf2+ 8. Kd1 dxe4+ 9. Kc2 Rg6 10. Qf4 Bc5 11. b4 Bd6 12. Bb5+ Nc6 13. Qf1 Bd7 14. Nh3 Rc8 15. Kb3 Qb6 16. a4 a6 17. Bxc6 Bxc6 18. Nf4 Bxf4 19. Bxf4 Bd5+ 20. Ka3 e3 21. Rg1 e2 22. Qe1 Rc4 23. Be5 a5 24. b5 Rgg4 25. Bd4 Rgxd4 26. cxd4 Qxd4 27. Nc3 Rxc3+ 0-1

[Event "Spijkenisse op-B 3rd"]
[Site "Spijkenisse"]
[Date "2013.10.26"]
[Round "3"]
[White "Mooijweer, Joost"]
[Black "Kastelein, Gerard"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1465"]
[BlackElo "1749"]
[PlyCount "121"]
[EventDate "2013.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. e4 Nf6 4. Nc3 Bg4 5. Be2 e6 6. 0-0 Be7 7. d5 exd5 8. exd5 Nb8 9. Re1 0-0 10. Bg5 h6 11. Bxf6 Bxf6 12. Nd4 Re8 13. Bxg4 Rxe1+ 14. Qxe1 Bxd4 15. Qd2 Qf6 16. Re1 Na6 17. Ne4 Qe5 18. c3 Bb6 19. Nc5 Qf6 20. Nd7 Qh4 21. Nxb6 axb6 22. Bd1 Nc5 23. Bc2 Kf8 24. b4 Nd7 25. a4 Ne5 26. Re4 Qh5 27. Qe2 Qxe2 28. Rxe2 Re8 29. Kf1 g5 30. g3 Re7 31. f4 Nf3 32. Rxe7 Kxe7 33. fxg5 hxg5 34. h3 Kf6 35. Kf2 Ne5 36. Ke3 Nc4+ 37. Kd4 Nd2 38. Bd1 Nf1 39. g4 Ng3 40. Bf3 Ke7 41. Ke3 f5 42. gxf5 Nxf5+ 43. Kd3 Kf6 44. Ke2 Ke5 45. Kd3 Ne7 46. c4 Kf4 47. Bg4 Nf5 48. Bxf5 Kxf5 49. Ke3 g4 50. hxg4+ Kxg4 51. Ke4 Kg5 52. Ke3 Kf5 53. Kf3 Ke5 54. Ke3 Kf5 55. Kf3 Kg5 56. Kg3 Kf5 57. Kf3 Ke5 58. Ke3 Kf6 59. Kf4 Ke7 60. Kg5 c6 61. b5 1/2-1/2

[Event "Spijkenisse op-B 3rd"]
[Site "Spijkenisse"]
[Date "2013.10.25"]
[Round "1"]
[White "Reljic, Mane"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1495"]
[BlackElo "1749"]
[PlyCount "88"]
[EventDate "2013.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Be2 0-0-0 7. Be3 e5 8. d5 Bb4 9. 0-0 f5 10. Ng5 Nh6 11. f3 Bxc3 12. bxc3 Rxd5 13. Qe1 f4 14. fxg4 fxe3 15. Ne4 Qa4 16. Bd3 Nxg4 17. h3 Nf2 18. Nxf2 exf2+ 19. Rxf2 g6 20. Qf1 Rhd8 21. Rf8 Qa3 22. Rxd8+ Rxd8 23. Qe1 Rf8 24. Kh2 Qc5 25. Be4 Nd8 26. Rd1 Qf2 27. Rxd8+ Kxd8 28. Qd1+ Kc8 29. Qd5 Qb6 30. Qxe5 Qd6 31. Qxd6 cxd6 32. Kg3 b6 33. Kg4 Kd7 34. Kg5 Ke6 35. c4 Ke5 36. Bd5 Kd4 37. Kh6 b5 38. Kxh7 bxc4 39. Bc6 d5 40. Ba4 Rf6 41. Kg7 Ke5 42. Bd7 Rb6 43. Bg4 d4 44. a4 a5 0-1

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.20"]
[Round "6"]
[White "Dorr, Yannick"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1887"]
[BlackElo "1817"]
[PlyCount "75"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. d4 Bg4 5. Be2 0-0-0 6. c3 Nf6 7. 0-0 Qh5 8. h3 e5 9. hxg4 Nxg4 10. Nh4 f5 11. Bxg4 fxg4 12. g3 exd4 13. Qc2 d3 14. Qd2 Be7 15. Re1 Bxh4 16. gxh4 Ne5 17. Rxe5 Qxe5 18. Qe3 Qd5 19. Qxa7 Qf3 20. Bg5 Qd1+ 21. Kg2 Rde8 22. Nd2 Qxa1 23. Qa8+ Kd7 24. Qa4+ c6 25. Qxg4+ Re6 26. Ne4 Qxa2 27. Nc5+ Kd6 28. b3 Re5 29. Qd4+ Rd5 30. Bf4+ Ke7 31. Qxg7+ Ke8 32. Qxh8+ Kf7 33. Qxh7+ Kf6 34. Ne4+ Ke6 35. Qg6+ Ke7 36. Qf6+ Ke8 37. Qe6+ Kf8 38. Bh6# 1-0

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.20"]
[Round "7"]
[White "Kastelein, Gerard"]
[Black "Persoons, Bart"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1817"]
[BlackElo "1769"]
[PlyCount "128"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. c3 Be7 4. Nd2 d5 5. Qc2 Bd7 6. Ngf3 h6 7. Bh4 Bc6 8. Ne5 Nbd7 9. Ndf3 Nxe5 10. Nxe5 Nd7 11. Bg3 Nxe5 12. Bxe5 0-0 13. e3 Qd7 14. Qe2 Bd6 15. Bg3 b5 16. Qf3 b4 17. Bd3 bxc3 18. bxc3 Rab8 19. a4 Rb3 20. Rc1 Ba3 21. Rd1 Rxc3 22. 0-0 Bxa4 23. Rd2 Rb8 24. e4 dxe4 25. Qxe4 f5 26. Qe5 Bd6 27. Qa5 Rcb3 28. Bc4 R3b4 29. Ba2 R8b5 30. Qxa7 Rb7 31. Qa8+ Rb8 32. Qf3 Bxg3 33. hxg3 Bc6 34. d5 Bxd5 35. Bxd5 c6 36. Bxe6+ Qxe6 37. Re2 Qf6 38. Qd3 Rd8 39. Qa6 Rbd4 40. Rc2 R4d6 41. Rc5 Qg6 42. Qb6 Kh7 43. Rxc6 Rxc6 44. Qxd8 Qd6 45. Qa5 Qc5 46. Qa2 Qc2 47. Qf7 Rc7 48. Qh5 g6 49. Qh4 Qc4 50. f4 Qd4+ 51. Kh2 Kg7 52. Re1 Qf6 53. Qh3 Re7 54. Rb1 Re3 55. Kh1 Qc6 56. Qh4 Re2 57. Qh3 Re3 58. Ra1 Qb7 59. Kh2 Re2 60. g4 Qc7 61. Qg3 Re4 62. gxf5 Qxf4 63. Ra7+ Kf6 64. fxg6 Qxg3+ 1/2-1/2

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.19"]
[Round "4"]
[White "Geboers, Jimmy"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1923"]
[BlackElo "1817"]
[PlyCount "101"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. Bf4 Bg4 4. e3 e6 5. c4 Bb4+ 6. Nc3 dxc4 7. Bxc4 Nf6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ne4 11. Qb3 Qe7 12. Bd3 Bf5 13. 0-0-0 Nxc3 14. bxc3 Ba3+ 15. Kc2 Bxd3+ 16. Kxd3 0-0-0 17. Rb1 b6 18. Qa4 Kb7 19. Ne5 Nxe5+ 20. Bxe5 f6 21. Bxc7 Qxc7 22. Qxa3 e5 23. Rhc1 Rhe8 24. Rb4 exd4 25. cxd4 Qh7+ 26. Ke2 Rc8 27. Rbc4 Rxc4 28. Rxc4 Qf5 29. Qd6 Qg4+ 30. Kd2 Rc8 31. Qe7+ Ka8 32. Rc7 Rxc7 33. Qxc7 Qe6 34. Kd3 f5 35. f3 h5 36. Qc4 Qd6 37. g3 Kb7 38. Qc3 Qd5 39. e4 fxe4+ 40. fxe4 Qxa2 41. d5 Qxh2 42. Kd4 Qf2+ 43. Ke5 Qf8 44. Qc6+ Ka6 45. d6 Qg7+ 46. Ke6 Qg6+ 47. Kd7 Qf7+ 48. Kc8 Qf8+ 49. Kc7 Qg7+ 50. d7 Qe5+ 51. Kc8 1-0

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.19"]
[Round "5"]
[White "Kastelein, Gerard"]
[Black "Deketelaere, Francky"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1817"]
[BlackElo "1817"]
[PlyCount "35"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 11. Rf1 Nxe4 12. Qe2 Nxc3 13. Qc4+ Nd5 14. Qxc8+ Nf8 15. Qc4 exd4 16. Nc7 Qe4+ 17. Be3 Ne6 18. Nxd5 1-0

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.18"]
[Round "2"]
[White "Jansen, Ingeborg"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "B00"]
[BlackElo "1817"]
[PlyCount "93"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nc3 Ng6 5. Be3 Bb4 6. Qd2 Nf6 7. f3 c6 8. d6 0-0 9. a3 Qa5 10. Rd1 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 Nh5 13. g3 b6 14. Bc4 h6 15. Ne2 Kh7 16. h4 Bb7 17. g4 Nhf4 18. h5 Ng2+ 19. Kf2 N6f4 20. Ng3 Nxe3 21. Kxe3 g6 22. Rd2 b5 23. Ba2 c5 24. hxg6+ fxg6 25. Rdh2 Kg7 26. Rxh6 Rh8 27. Rxh8 Rxh8 28. Rxh8 Kxh8 29. c4 a6 30. cxb5 axb5 31. c4 b4 32. axb4 cxb4 33. c5 Kg7 34. Ne2 Nxe2 35. Kxe2 Ba6+ 36. Ke3 Bb5 37. g5 Kf8 38. f4 exf4+ 39. Kxf4 Ba4 40. Bb1 Bb3 41. Ke5 Kf7 42. Bd3 Ke8 43. Kf6 Bd1 44. e5 b3 45. Bxg6+ Kf8 46. e6 dxe6 47. d7 1-0

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.18"]
[Round "3"]
[White "Kastelein, Gerard"]
[Black "Van Ginneken, Jeroen"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1817"]
[PlyCount "73"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e4 c5 5. d5 Nf6 6. Nc3 exd5 7. exd5 Bd6 8. Bxc4 0-0 9. 0-0 a6 10. Bg5 b5 11. Bd3 Nbd7 12. Ne4 Bb8 13. Qc2 c4 14. Nxf6+ Nxf6 15. Bxh7+ Kh8 16. Bf5 Qxd5 17. Bxc8 Rxc8 18. Rad1 Qc6 19. Rd4 Ba7 20. Rh4+ Kg8 21. Ne5 Qe6 22. Bxf6 gxf6 23. Qh7+ Kf8 24. Ng4 Bd4 25. Nh6 Bxb2 26. Nf5 Ke8 27. Ng7+ Ke7 28. Nxe6 Kxe6 29. Re4+ Kd6 30. Rd1+ Kc6 31. Qxf7 c3 32. Qd5+ Kb6 33. Re6+ Ka5 34. Qd6 c2 35. Qb6+ Ka4 36. Re4+ Ka3 37. Qa5# 1-0

[Event "Maastricht Limburg op-B 7th"]
[Site "Maastricht"]
[Date "2013.05.17"]
[Round "1"]
[White "Kastelein, Gerard"]
[Black "Goes, Dirk"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1817"]
[BlackElo "1950"]
[PlyCount "56"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6 5. d5 Ne5 6. Be2 Bb4+ 7. Nd2 Qh4 8. Qc2 Nf6 9. Ngf3 Nxf3+ 10. Bxf3 e5 11. 0-0 g5 12. g3 Qh6 13. a3 Be7 14. b4 d6 15. Qa4+ Kf8 16. Be2 Qg6 17. c5 Nxe4 18. c6 Bc8 19. Bd3 Nc5 20. Qxa7 Rxa7 21. Bxg6 hxg6 22. bxc5 bxc5 23. Ne4 Ba6 24. Rb1 Kg7 25. Rd1 Be2 26. Rd2 Bf3 27. Nc3 Raa8 28. Rb7 Rxh2 0-1

[Event "Hilversum op-B"]
[Site "Hilversum"]
[Date "2010.07.04"]
[Round "9"]
[White "Kastelein, Gerard"]
[Black "Burer, Audry"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1804"]
[BlackElo "1952"]
[PlyCount "82"]
[EventDate "2010.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 g6 2. e4 d6 3. Nc3 Bg7 4. Bg5 Nf6 5. e5 Ng8 6. f4 f6 7. exf6 Nxf6 8. Nf3 0-0 9. Bd3 Nc6 10. Qd2 d5 11. h3 Nb4 12. g4 Nxd3+ 13. Qxd3 c6 14. Ne5 Qe8 15. 0-0-0 Nd7 16. Rdf1 Nxe5 17. fxe5 b5 18. Rxf8+ Qxf8 19. Rf1 Qe8 20. Qf3 Be6 21. Ne2 h6 22. Be3 Qd7 23. Qg3 Rf8 24. Rxf8+ Bxf8 25. Nf4 g5 26. Nd3 Qe8 27. Nc5 Qg6 28. b4 Bf7 29. Qf3 e6 30. Nd3 Be7 31. a3 Kg7 32. Nf2 Bg8 33. Bd2 Bh7 34. Qc3 Qe8 35. Nh1 Be4 36. Ng3 Bg6 37. Qe3 Qf8 38. h4 Kh7 39. h5 Be8 40. Qd3+ Kg7 41. Qe2 Qf7 1/2-1/2

[Event "Hilversum op-B"]
[Site "Hilversum"]
[Date "2010.07.04"]
[Round "8"]
[White "Konnen, Timo"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1801"]
[BlackElo "1804"]
[PlyCount "121"]
[EventDate "2010.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. e4 Nc6 3. Nc3 dxe4 4. d5 Ne5 5. f4 exf3 6. Nxf3 Nxf3+ 7. Qxf3 Nf6 8. h3 a6 9. Bg5 Qd6 10. 0-0-0 Bd7 11. Bc4 b5 12. Bd3 c5 13. dxc6 Qxc6 14. Ne4 Nd5 15. c3 Rc8 16. Rhf1 Be6 17. Kb1 g6 18. Bd2 h6 19. Rc1 Bg7 20. g4 0-0 21. h4 Qd7 22. Rg1 Rfd8 23. Rcd1 Nf6 24. Nxf6+ exf6 25. Be4 Qc7 26. h5 Qa5 27. a3 Qa4 28. hxg6 Qb3 29. gxf7+ Bxf7 30. Rh1 Qa2+ 31. Kc1 Bb3 32. Bb1 Qa1 33. Rde1 Rxd2 34. Kxd2 Qxb2+ 35. Ke3 Qxc3+ 36. Kf2 Qd4+ 37. Qe3 f5 38. Rc1 Re8 39. Qxd4 Bxd4+ 40. Kg3 f4+ 41. Kxf4 Be3+ 42. Kf3 Bd5+ 43. Kg3 Bxc1 44. Rxc1 Re3+ 45. Kh4 Rxa3 46. Kh5 Rh3+ 47. Kg6 Bf7+ 48. Kf6 Rf3+ 49. Bf5 Bc4 50. Rd1 Kh8 51. Kg6 Re3 52. Rd8+ Bg8 53. Kxh6 a5 54. Ra8 a4 55. Kg5 a3 56. Kf6 a2 57. g5 Re1 58. g6 Rg1 59. Ra7 b4 60. g7+ Rxg7 61. Rxg7 0-1

[Event "Hilversum op-B"]
[Site "Hilversum"]
[Date "2010.07.02"]
[Round "7"]
[White "Kastelein, Gerard"]
[Black "Froberg, Gert Jan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1804"]
[BlackElo "1617"]
[PlyCount "35"]
[EventDate "2010.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. Qb3 Qc8 6. cxd5 Nxd5 7. Nxd5 Be6 8. e4 cxd5 9. exd5 Bf5 10. Bf4 Qc2 11. Bb5+ Kd8 12. Qxc2 Bxc2 13. Rc1 a6 14. Ne5 Bg6 15. Nxg6 hxg6 16. Bc7+ Kc8 17. Be8 Nc6 18. Bb6 1-0

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.30"]
[Round "6"]
[White "Huijser, Peter"]
[Black "Kastelein, Gerard"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1696"]
[BlackElo "1757"]
[PlyCount "60"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. cxd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 e4 8. h3 Nf6 9. Ne2 0-0 10. Ng3 h5 11. b3 h4 12. Ne2 Nh5 13. Qd2 a5 14. Bb2 Nf6 15. Nc3 Qd8 16. Ba3 Nb4 17. Na4 Qd6 18. Bxb4 axb4 19. Rc1 Bd7 20. Nc5 Bc6 21. Rc2 b6 22. Na6 Nd5 23. Bc4 Nc3 24. a3 b5 25. Nxb4 Nb1 26. Qc1 Nxa3 27. Nxc6 Nxc2+ 28. Qxc2 bxc4 29. Qxc4 Ra1+ 30. Ke2 Rxh1 0-1

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.30"]
[Round "5"]
[White "Kastelein, Gerard"]
[Black "Van Weersel, Henk"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1757"]
[BlackElo "1658"]
[PlyCount "89"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 c5 4. c4 Nc6 5. Bg2 Nf6 6. 0-0 Be7 7. Nc3 0-0 8. cxd5 exd5 9. dxc5 Bxc5 10. Bg5 Be6 11. Rc1 Be7 12. Nd4 Nxd4 13. Qxd4 Qd7 14. a4 a6 15. Rfd1 Rfd8 16. b4 Rac8 17. a5 Rc4 18. Qd2 Bxb4 19. Bxf6 gxf6 20. Bxd5 Bxd5 21. e4 Be6 22. Qh6 Qe7 23. Nd5 Bxd5 24. Rxd5 Rxc1+ 25. Qxc1 Rxd5 26. exd5 Bxa5 27. Qc8+ Bd8 28. Qg4+ Kh8 29. Kg2 b5 30. h4 Qe5 31. Qd7 Qe7 32. Qg4 b4 33. h5 h6 34. Qf4 Qf8 35. d6 a5 36. Qe3 Qxd6 37. Qxh6+ Kg8 38. Qe3 Qe5 39. Qd3 Bb6 40. Qd7 Qxh5 41. Qc8+ Kg7 42. Qd7 b3 43. f3 b2 44. Qd3 Qc5 45. Qe4 0-1

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "4"]
[White "Ijzermans, Cees"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1818"]
[BlackElo "1757"]
[PlyCount "35"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 Nf6 3. d4 e5 4. dxe5 Nxe5 5. f4 Nc6 6. Bd3 Bb4 7. Bd2 0-0 8. Nf3 Re8 9. 0-0 d6 10. h3 Bxc3 11. Bxc3 Nxe4 12. Bxe4 Rxe4 13. Ng5 Re7 14. Qd3 f5 15. Qd5+ Kf8 16. Nxh7+ Ke8 17. Qg8+ Kd7 18. Nf8+ 1-0

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "3"]
[White "Kastelein, Gerard"]
[Black "De Wijs, Robbert"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1757"]
[BlackElo "1602"]
[PlyCount "99"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 d5 5. cxd5 Qxd5 6. Nc3 Qd8 7. d4 Nd5 8. e4 Nxc3 9. Bxc3 0-0 10. Qd2 Nd7 11. Qb2 e6 12. h4 Qe7 13. h5 Re8 14. hxg6 fxg6 15. Bc4 Kh8 16. Qd2 e5 17. Ng5 h5 18. Nf7+ Kh7 19. dxe5 Nf8 20. f4 Ne6 21. Bxe6 Bxe6 22. Ng5+ Kg8 23. Nxe6 Qxe6 24. Qd5 c6 25. Qxe6+ Rxe6 26. Rd1 Re7 27. Rd6 Kf7 28. e6+ Kg8 29. Bxg7 Kxg7 30. Ke2 Rae8 31. f5 Kf6 32. Rf1 Ke5 33. Rd7 gxf5 34. exf5 Rxd7 35. exd7 Rf8 36. Rf3 Kf6 37. Rh3 Rd8 38. Rxh5 Rxd7 39. g4 Rd4 40. Rh6+ Kg7 41. Rg6+ Kf7 42. a3 Rf4 43. Ke3 Rf1 44. Ke4 Ra1 45. Rd6 Ke7 46. Rh6 Rxa3 47. Rh7+ Kf6 48. Rxb7 Ra4 49. Kf4 c5 50. g5# 1-0

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "2"]
[White "Slagboom, Arno"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1931"]
[BlackElo "1757"]
[PlyCount "41"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Be2 0-0-0 7. Be3 Nf6 8. 0-0 Bxf3 9. Bxf3 Nxd4 10. Bxd4 e5 11. Bxb7+ Kxb7 12. Qf3+ Ka6 13. b4 Qxb4 14. Rab1 Rxd4 15. Qc6+ Ka5 16. Rxb4 Kxb4 17. Qa4+ Kxc3 18. Qb3+ Kd2 19. Qe3+ Kxc2 20. Rc1+ Kb2 21. Qc3+ 1-0

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1978.??.??"]
[Round "?"]
[White "Kastelein, Gerard"]
[Black "Zwikker, H."]
[Result "0-1"]
[ECO "C12"]
[PlyCount "50"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. h4 f5 10. exf6 Qxf6 11. Nf3 Nc6 12. Qf4 Nxd2 13. Qxd2 e5 14. Be2 Bg4 15. 0-0-0 Bxf3 16. Bxf3 e4 17. Be2 Qd6 18. c4 dxc4 19. Bxc4 b5 20. Bb3 a5 21. c3 a4 22. Bc2 Na5 23. Bxe4 Nc4 24. Qc2 Qf4+ 25. Rd2 Nxd2 0-1

