[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Pijpers, Arthur"]
[Black "Passenier, Peter"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2483"]
[BlackElo "2004"]
[PlyCount "91"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 Be7 5. d3 d6 6. a4 Nf6 7. Bg5 Nb4 8. Bxf6 Bxf6 9. Nd5 Nxd5 10. Bxd5 O-O 11. c3 Be6 12. Qb3 Qd7 13. O-O Rab8 14. Ne1 g6 15. Nc2 Kg7 16. Qa2 Bg5 17. b4 cxb4 18. Nxb4 Rfc8 19. c4 Bd8 20. a5 a6 21. Qb2 Qc7 22. f4 Bf6 23. fxe5 dxe5 24. Kh1 Be7 25. Nc2 Bc5 26. Rf3 b5 27. axb6 Rxb6 28. Qa2 Rcb8 29. Raf1 Qe7 30. h3 f6 31. Qa5 Bc8 32. Qd2 Rb1 33. d4 exd4 34. Nxd4 R8b2 35. Qd3 Rxf1+ 36. Rxf1 Qe5 37. Nc6 Qg5 38. e5 fxe5 39. Qc3 Re2 40. Bf3 Re3 41. Qa5 e4 42. Qc7+ Kh6 43. Ne5 Be6 44. Bg4 Bxg4 45. Nxg4+ Kh5 46. Qxh7+ 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "De Weerd, Just"]
[Black "Wooter, Robin"]
[Result "1/2-1/2"]
[WhiteElo "1975"]
[BlackElo "2089"]
[PlyCount "37"]
[EventDate "2026.??.??"]

1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nf3
e6 9. h3 Bh5 10. O-O Be7 11. Rc1 O-O 12. Be2 Rc8 13. Ne5 Bxe2 14. Qxe2 Qa5 15.
a3 Rfd8 16. Nb1 Nxe5 17. Bxe5 Nd7 18. Bg3 Qb6 19. Nc3 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Margaryan, Artur"]
[Black "Brienen, Jacob"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2134"]
[BlackElo "2140"]
[PlyCount "57"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Be7 7. f3 d5 8. cxd5 exd5 9. Ng3 c5 10. Bb5+ Nbd7 11. O-O O-O 12. Qd3 Re8 13. Bd2 Qc7 14. Nf5 g6 15. Nxe7+ Rxe7 16. Be1 c4 17. Qd2 Bc6 18. Bg3 Qb7 19. b4 Rae8 20. Bxc6 Qxc6 21. b5 Qb7 22. Rfe1 Nh5 23. Bh4 Re6 24. a4 Nb8 25. e4 dxe4 26. Nxe4 Nd7 27. Nd6 Rxd6 28. Rxe8+ Nf8 29. Be7 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Veenendaal, Loek"]
[Black "Van der Marel, Lambertus"]
[Result "0-1"]
[WhiteElo "1962"]
[BlackElo "2030"]
[PlyCount "126"]
[EventDate "2026.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. O-O O-O 8. Nbd2 b5 9. Bc2 d5 10. Re1 Bb7 11. a4 b4 12. Nf1 dxe4 13. dxe4 Qxd1 14. Rxd1 Rfd8 15. Bg5 h6 16. Bh4 Kf8 17. Ne3 b3 18. Bxf6 bxc2 19. Bxe7+ Nxe7 20. Nxc2 Bxe4 21. Nce1 f6 22. Nd2 Bc6 23. a5 Rab8 24. b4 Nd5 25. Ne4 Ke7 26. f3 f5 27. Nc5 Bb5 28. Rdc1 Ne3 29. Nc2 Nc4 30. Rd1 Rd6 31. Kf2 Rbd8 32. Ke1 Nb2 33. Rxd6 cxd6 34. Nb3 Rc8 35. Kd2 Nc4+ 36. Ke1 f4 37. Rc1 Ba4 38. Nca1 Ne3 39. Kf2 Nd5 40. Ke2 Rxc3 41. Rxc3 Nxc3+ 42. Kd3 Na2 43. Nd2 Bb5+ 44. Kc2 Nxb4+ 45. Kb3 Nc6 46. Nc2 Nxa5+ 47. Kc3 Nc6 48. Na3 d5 49. g3 g5 50. gxf4 gxf4 51. Nc2 Be2 52. Ne1 a5 53. Nb3 e4 54. Nd2 e3 55. Nb3 Kd6 56. Ng2 Ke5 57. Nh4 Bc4 58. Nc5 Bb5 59. Nd7+ Kd6 60. Nf6 d4+ 61. Kc2 d3+ 62. Kd1 Ba4+ 63. Ke1 d2+ 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van der Bent, Gideon"]
[Black "Verhoeff, Timardi"]
[Result "1/2-1/2"]
[WhiteElo "1988"]
[BlackElo "1921"]
[PlyCount "36"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. Nc3 a6 6. Be2 Nc6 7. O-O b5 8. Ne5
Bb7 9. Nxc6 Bxc6 10. a3 Bd6 11. Bxd6 Qxd6 12. f4 Ne4 13. Qe1 c4 14. Na2 a5 15.
g4 f5 16. g5 h5 17. Bf3 g6 18. Bxe4 fxe4 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van der Maat, Niek"]
[Black "Margaryan, Aren"]
[Result "1/2-1/2"]
[WhiteElo "1881"]
[BlackElo "2043"]
[PlyCount "56"]
[EventDate "2026.??.??"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. a3 b6
9. Nbd2 Bb7 10. Ne5 Qc7 11. f4 Nxe5 12. dxe5 Ne4 13. Bxe4 dxe4 14. Qe2 f5 15.
exf6 Bxf6 16. Bxf6 Rxf6 17. Rad1 a5 18. a4 Ba6 19. c4 Bb7 20. Nb1 Rff8 21. Nc3
Rad8 22. Rxd8 Rxd8 23. Rd1 Kf7 24. Rxd8 Qxd8 25. Qd1 Qxd1+ 26. Nxd1 Kf6 27. Kf2
e5 28. Nc3 Ke6 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Cortenbach, Stan"]
[Black "Van Dijk, Eduard"]
[Result "0-1"]
[WhiteElo "1949"]
[BlackElo "1982"]
[PlyCount "112"]
[EventDate "2026.??.??"]

1. e4 e5 2. Bc4 Nf6 3. d3 d5 4. exd5 Nxd5 5. Nf3 Nc6 6. O-O Bc5 7. Re1 O-O 8. Nxe5 Qh4 9. Qf3 Nxe5 10. Rxe5 Bg4 11. Bg5 Rfe8 12. Bxh4 Rxe5 13. Qe4 Rxe4 14. dxe4 Nb4 15. Na3 Re8 16. c3 Nc6 17. b4 Bb6 18. Bd3 Ne5 19. Bc2 f6 20. Kf1 Rd8 21. Bb3+ Kf8 22. f3 Bh5 23. Ke2 Rd3 24. Be1 Re3+ 25. Kd2 Bxf3 26. Bc4 Bxg2 27. Bf2 Nxc4+ 28. Nxc4 Rxe4 29. Nxb6 axb6 30. Bg3 Re7 31. a4 Rd7+ 32. Ke3 Bd5 33. a5 bxa5 34. Rxa5 Bc4 35. Rc5 b5 36. Rxc7 Rd3+ 37. Ke4 Rxc3 38. Ra7 Kg8 39. Kf5 Rf3+ 40. Ke4 Rf1 41. Rd7 h5 42. Rd8+ Kh7 43. Rd7 Kh6 44. Rd6 g5 45. Ra6 h4 46. Bd6 Kg6 47. Ra3 Re1+ 48. Kf3 Kf5 49. Kf2 Re2+ 50. Kg1 Ke4 51. Be7 Kf5 52. Rf3+ Kg4 53. Rxf6 Rxe7 54. Kg2 h3+ 55. Kg1 Re1+ 56. Kf2 Rf1+ 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Beijen, Mark"]
[Black "Timmermans, Raymond"]
[Result "1-0"]
[WhiteElo "1953"]
[BlackElo "2031"]
[PlyCount "75"]
[EventDate "2026.??.??"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. Qe2 Nf6 7. Bg5 fxe4 8. Bxe4 Bxe4 9. Bxf6 Qxf6 10. Qxe4 O-O 11. Nf3 Nc6 12. O-O Bxc3 13. bxc3 Na5 14. Ne5 d6 15. Ng4 Qf5 16. Qe2 Rae8 17. Ne3 Qf4 18. c5 e5 19. cxd6 exd4 20. cxd4 Qxd6 21. Rac1 Rf6 22. Qc2 c6 23. Rfd1 Rh6 24. h3 Qf4 25. Rd3 Rf6 26. Nc4 Nxc4 27. Qxc4+ Kh8 28. Rf3 Qd6 29. Rxf6 Qxf6 30. d5 c5 31. Qa6 Qg5 32. Rd1 Qh5 33. Qd3 Qe2 34. Qxe2 Rxe2 35. d6 Re8 36. d7 Rd8 37. Re1 Rxd7 38. Re8# 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Veldhuyzen, Ywein"]
[Black "Morssink, Pieter Jan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1925"]
[BlackElo "1955"]
[PlyCount "148"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. g3 g6 3. Bg2 d5 4. Nf3 Bg7 5. O-O O-O 6. Nbd2 c5 7. c3 b6 8. Ne5 Bb7 9. a4 Nc6 10. Nxc6 Bxc6 11. dxc5 bxc5 12. Nb3 c4 13. Nd4 Bb7 14. a5 a6 15. Be3 Nd7 16. Nc2 e6 17. Qd2 Rc8 18. Rfb1 Qc7 19. Bf4 Qc5 20. e4 Nf6 21. Be3 Qe7 22. exd5 Bxd5 23. Bxd5 Nxd5 24. Bh6 Qb7 25. Bxg7 Kxg7 26. Ne3 Rfd8 27. Ng4 h5 28. Qd4+ f6 29. Ne3 Qc6 30. Nxd5 Rxd5 31. Qb6 Rb5 32. Qxc6 Rxc6 33. Ra2 Kf7 34. Kf1 h4 35. gxh4 Rcc5 36. Rba1 e5 37. Ke2 Ke6 38. Ke3 Kf5 39. h3 Rd5 40. f3 Rd3+ 41. Ke2 Kf4 42. Rg1 Re3+ 43. Kd2 Rd5+ 44. Kc2 Rxf3 45. Ra4 Rf2+ 46. Kb1 Kf3 47. Rxg6 f5 48. h5 Rh2 49. Rxc4 Rxh3 50. Rxa6 e4 51. Re6 Rxh5 52. a6 Ra5 53. Rc7 e3 54. Rce7 f4 55. a7 Rh1+ 56. Kc2 Rha1 57. Kd3 Rxa7 58. Rxe3+ fxe3 59. Rxe3+ Kf4 60. Re8 Rc7 61. Kc2 Raa7 62. Re2 Re7 63. Rh2 Ke4 64. Rh4+ Kd5 65. Rd4+ Kc5 66. b4+ Kc6 67. Kb3 Re3 68. Rc4+ Kb6 69. Rc5 Rc7 70. Rxc7 Kxc7 71. Kc4 Kb6 72. Kd4 Re1 73. c4 Rb1 74. Kc3 Kc6 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van der Scheer, Henk"]
[Black "Molenkamp, Jan Bertus"]
[Result "0-1"]
[WhiteElo "1939"]
[BlackElo "1867"]
[PlyCount "72"]
[EventDate "2026.??.??"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Nbd7 6. O-O-O c6 7. g4 Qa5 8. Kb1 Ba3 9. Bg2 Bxb2 10. Kxb2 Qe5 11. Kb1 a5 12. a4 h5 13. h3 hxg4 14. hxg4 Rxh1 15. Bxh1 b6 16. d4 Qf4 17. Bxe4 Ba6 18. Bd3 Bxd3 19. Qxd3 Qxg4 20. Nge2 g6 21. Re1 Qf5 22. Qg3 Rc8 23. f3 Ke7 24. Nf4 Nd5 25. Nfe2 N7f6 26. Ne4 Nxe4 27. fxe4 Qxe4 28. Nc1 Qf4 29. Qd3 Nb4 30. Qc4 Qf5 31. Kb2 Qd5 32. Qc3 c5 33. Ne2 Rc6 34. Nf4 Qxd4 35. Qxd4 cxd4 36. Re2 g5 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Schenkelaars, Robin"]
[Black "Muilwijk, Marco"]
[Result "0-1"]
[WhiteElo "1961"]
[BlackElo "1884"]
[PlyCount "82"]
[EventDate "2026.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. d5 c6 5. Nf3 Nbd7 6. Be3 Be7 7. a4 a5 8. Nd2 cxd5 9. exd5 O-O 10. Nc4 Ne8 11. g4 Bg5 12. Bxg5 Qxg5 13. Ne4 Qe7 14. Bd3 Ndf6 15. Ne3 Nxe4 16. Bxe4 Qg5 17. h4 Qf4 18. Qf3 Nf6 19. Qxf4 exf4 20. Bxh7+ Kxh7 21. Nc4 Nxd5 22. O-O-O Nf6 23. f3 Bd7 24. Rxd6 Bc6 25. Ne5 Rfd8 26. Rxd8 Rxd8 27. Nxf7 Re8 28. Rd1 Kg6 29. Ng5 Bxa4 30. Rd4 Bc6 31. Rxf4 Rd8 32. Rf5 Rd5 33. Rf4 a4 34. c4 Rd6 35. Rf5 Rd4 36. Rc5 Nd7 37. Rf5 Rxc4+ 38. Kd2 Rc5 39. Rf4 Nf6 40. Kd3 Rd5+ 41. Kc3 Rxg5 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Kumar, Dhruv"]
[Black "Kurtoglu, Devrim"]
[Result "0-1"]
[WhiteElo "1869"]
[BlackElo "1850"]
[PlyCount "0"]
[EventDate "2026.??.??"]

{Witspeler niet verschenen.}  0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Zeven, Frank"]
[Black "Hensbergen, Willem"]
[Result "1/2-1/2"]
[WhiteElo "1979"]
[BlackElo "2062"]
[PlyCount "62"]
[EventDate "2026.??.??"]

1. d4 e6 2. Bf4 f5 3. Nf3 Nf6 4. e3 b6 5. c4 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 Bb7 8. a4 a5 9. Be2 d6 10. O-O Nbd7 11. Ng5 Qe7 12. Bf3 Ne4 13. Nxe4 fxe4 14. Bh5+ g6 15. Be2 O-O-O 16. f3 e5 17. Bg3 h5 18. f4 exf4 19. Bxf4 g5 20. Bg3 h4 21. Be1 Nf6 22. Qb3 Rdf8 23. Qb5 Ne8 24. Rb1 Rxf1+ 25. Kxf1 Ng7 26. c5 dxc5 27. dxc5 Rf8+ 28. Kg1 Qxc5 29. Qxc5 bxc5 30. Bg4+ Nf5 31. Rb5 Kb8 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van der Knaap, Jan"]
[Black "Wagemans, Ed"]
[Result "1-0"]
[WhiteElo "1881"]
[BlackElo "1857"]
[PlyCount "53"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Nxd4 Nc6 7. c4 e5 8.
Nf5 g6 9. Ne3 Nf6 10. Nc3 Bg7 11. O-O O-O 12. b3 Rad8 13. Ba3 a6 14. Rc1 Rfe8
15. Re1 Nd4 16. f3 Bh6 17. Rb1 Qc7 18. Ned5 Nxd5 19. Nxd5 Qa5 20. Bb4 Qxa2 21.
Nf6+ Kf8 22. Nxe8 Kxe8 23. Bc3 Qc2 24. Bxd4 Qxd1 25. Rbxd1 exd4 26. Rxd4 Bf4
27. e5 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Scherpenisse, Kees"]
[Black "Van Briemen, Willem"]
[Result "0-1"]
[WhiteElo "1910"]
[BlackElo "1973"]
[PlyCount "64"]
[EventDate "2026.??.??"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. e3 Bf5 7. Bb5 Rc8 8.
Qa4 Qc7 9. Bxc6+ bxc6 10. O-O e6 11. a3 Be7 12. b4 O-O 13. Nh4 Bd3 14. Rd1 Bb5
15. Qc2 a5 16. bxa5 Qxa5 17. Bb2 c5 18. dxc5 Rxc5 19. Qd2 Ba6 20. Nf3 Rfc8 21.
Rac1 R5c7 22. Nd4 Nd7 23. e4 dxe4 24. Nxe4 Qxd2 25. Nxd2 Rxc1 26. Rxc1 Rxc1+
27. Bxc1 Ne5 28. N4b3 Nd3 29. a4 Bb4 30. Nb1 Bc4 31. Bd2 Bxb3 32. Bxb4 Nxb4 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van Veen, Kylian"]
[Black "Prijs, Xander"]
[Result "0-1"]
[WhiteElo "1906"]
[BlackElo "1914"]
[PlyCount "104"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d3 a6 8. Bxc6 dxc6 9. h3 b5 10. Qe2 Qc7 11. Nbd2 e5 12. Nb3 Nd7 13. Be3 Qd6 14. Rad1 Re8 15. Qc2 a5 16. d4 cxd4 17. cxd4 exd4 18. Nbxd4 Ne5 19. Nxe5 Qxe5 20. Qxc6 Ba6 21. f3 Rec8 22. Qb6 b4 23. b3 Rcb8 24. Qc6 Rc8 25. Qb6 Bf8 26. Ne2 Bxe2 27. Rxe2 Rab8 28. Qd4 Qb5 29. Red2 Bc5 30. Qd3 Qxd3 31. Rxd3 Bxe3+ 32. Rxe3 Rc2 33. Red3 Rxa2 34. Rd5 Kg7 35. Rc5 a4 36. bxa4 b3 37. Rb1 Rxa4 38. Kf2 Ra2+ 39. Kg3 Rd2 40. Rc3 b2 41. Rc7 Rb5 42. h4 h5 43. Rc6 Re2 44. Rc4 Rb3 45. Rd4 Rc3 46. Rdd1 Rcc2 47. Rg1 Kf6 48. Kh3 Ke5 49. Kg3 f6 50. Kh2 Kf4 51. Kh3 g5 52. hxg5 Kxg5 {Tijd} 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van Amsterdam, Jan"]
[Black "Moeri, Erick"]
[Result "1-0"]
[WhiteElo "1842"]
[BlackElo "1800"]
[PlyCount "39"]
[EventDate "2026.??.??"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bb4+ 5. c3 dxc3 6. bxc3 Be7 7. e5 Ne4 8.
Qd5 O-O 9. Qxe4 c6 10. O-O d5 11. exd6 Bxd6 12. Bg5 Qc7 13. Nbd2 Nd7 14. Bd3 f5
15. Bc4+ Kh8 16. Qh4 Ne5 17. Nxe5 Bxe5 18. Nf3 Bxc3 19. Bf4 Qd8 20. Ng5 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Beetstra, Jaap"]
[Black "Van Leeuwen, Nick"]
[Result "0-1"]
[WhiteElo "1800"]
[BlackElo "1696"]
[PlyCount "130"]
[EventDate "2026.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4 7. O-O Nge7 8. Bf4 O-O 9. e5 Ng6 10. Bg3 f6 11. exf6 Bxc3 12. bxc3 Qxf6 13. Bd6 Re8 14. Qd2 Nce5 15. Nxe5 Nxe5 16. Bb3 Nf7 17. Ba3 b6 18. Rad1 Ba6 19. Rfe1 Rad8 20. c4 Bb7 21. c5 Ne5 22. f4 Nf7 23. cxb6 axb6 24. Bb2 Qf5 25. Qf2 b5 26. Re3 d6 27. Bc2 Qc5 28. Bd4 Qc6 29. Rf1 Re7 30. Qg3 e5 31. Be4 d5 32. Bxh7+ Kxh7 33. Qh4+ Kg8 34. Qxe7 exd4 35. Rh3 Re8 36. Qb4 Re4 37. Qd2 Nd6 38. f5 Nc4 39. Qg5 Qf6 40. Qh5 Ne3 41. Qh8+ Kf7 42. Rc1 Qg5 43. Rg3 Ng4 44. Rc7+ Re7 45. Rxe7+ Kxe7 46. f6+ gxf6 47. Qh7+ Ke6 48. Rxg4 Qxg4 49. Qxb7 Qd1+ 50. Kf2 Qd2+ 51. Kf1 Qxa2 52. Qc8+ Ke5 53. Qc7+ Ke4 54. Qe7+ Kd3 55. Qe6 Qb1+ 56. Kf2 Qc2+ 57. Kg3 Qc7+ 58. Kh3 Qh7+ 59. Kg3 Qg6+ 60. Kf2 Qe4 61. Qxf6 Qe3+ 62. Kf1 Qe2+ 63. Kg1 Qe1+ 64. Qf1+ Qxf1+ 65. Kxf1 b4 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Schenkelaars, Vincent"]
[Black "Branco, Moritz"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1824"]
[BlackElo "1808"]
[PlyCount "84"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. a3 Na6 10. Rc1 c5 11. Bc4 Qd8 12. O-O Bb7 13. Qe2 Nb8 14. Rfd1 Qe8 15. dxc5 Bxc5 16. b4 Be7 17. Ne5 a6 18. Bb3 Bf6 19. Rc7 Bxe5 20. Bxe5 Nc6 21. Bg3 Ra7 22. Qc2 Qa8 23. f3 h6 24. Qc3 Rd8 25. Rc1 Rc8 26. Qb2 b5 27. Rd7 Rd8 28. Bxe6 Rxd7 29. Bxd7 Ne7 30. Qd4 Bd5 31. Bh3 Bc4 32. Rd1 Nc6 33. Qc5 Qe8 34. Kf2 Be6 35. Rd6 Bxh3 36. Rxc6 Bd7 37. Rd6 Ra8 38. Qd4 Be6 39. Be5 Qf8 40. Qb6 Qc8 41. Rc6 Qe8 42. Qd4 Qxc6 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Vergeer, Michiel"]
[Black "Moeri, Casper"]
[Result "0-1"]
[WhiteElo "1774"]
[BlackElo "1751"]
[PlyCount "74"]
[EventDate "2026.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. O-O f6 10. exf6 Nxf6 11. Re1 cxd4 12. cxd4 e5 13. dxe5 Ng4 14. Ned4 Nxf2 15. Kxf2 Nxd4 16. Be3 Qxb2+ 17. Kg1 Nc6 18. Qa4 O-O 19. Rab1 Qa3 20. Qc2 Nb4 21. Bxh7+ Kh8 22. Qc7 Nc6 23. Bg6 Rd8 24. e6 Bd6 25. Rb3 Qxa2 26. Qf7 Rf8 27. Ng5 Rxf7 28. Nxf7+ Kg8 29. Nxd6 Qxb3 30. Bf7+ Kh8 31. Bg5 Qb6+ 32. Re3 Bxe6 33. Bxe6 Ne5 34. Kf1 Rf8+ 35. Nf7+ Nxf7 36. Ke2 Qb5+ 37. Rd3 Qxd3+ 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van Vleuten, Ronald"]
[Black "Burgers, Bram"]
[Result "0-1"]
[WhiteElo "1736"]
[BlackElo "1835"]
[PlyCount "144"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d6 6. c3 Nbd7 7. Nbd2 e5 8. dxe5 dxe5 9. e4 Qe7 10. Qc2 b6 11. Re1 Bb7 12. Bf1 Rfd8 13. b3 Nh5 14. Bb2 Nf4 15. g3 Ne6 16. Bg2 Ba6 17. b4 c5 18. a3 Ndf8 19. Bf1 Bxf1 20. Nxf1 Nc7 21. Ne3 Nfe6 22. Kg2 b5 23. Rad1 c4 24. Rxd8+ Rxd8 25. Rd1 f6 26. Ne1 Bh6 27. Ng4 Bg7 28. Bc1 Rxd1 29. Qxd1 Qd8 30. Qxd8+ Nxd8 31. Be3 f5 32. exf5 gxf5 33. Nh6+ Bxh6 34. Bxh6 Nd5 35. Bd2 Nc6 36. Nf3 Kg7 37. Ng5 Kg6 38. Ne6 Kf6 39. Nc5 e4 40. h4 Ne5 41. Kf1 Nd3 42. Nd7+ Ke7 43. Nb8 Kd6 44. Ke2 Kc7 45. Na6+ Kb7 46. Nc5+ Nxc5 47. bxc5 Kc6 48. f3 Kxc5 49. fxe4 fxe4 50. g4 Kd6 51. g5 Ke6 52. h5 Kf5 53. h6 Kg6 54. Kf2 e3+ 55. Bxe3 Nxe3 56. Kxe3 Kxg5 57. Kd4 Kxh6 58. Kc5 Kg5 59. Kxb5 h5 60. Kxc4 h4 61. Kb5 h3 62. Ka6 h2 63. Kxa7 h1=Q 64. Kb6 Qa8 65. c4 Qxa3 66. c5 Qa8 67. Kc7 Kf6 68. Kd7 Qb7+ 69. Kd6 Qc8 70. c6 Kf7 71. c7 Ke8 72. Kc6 Ke7 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Bharos, Nimai"]
[Black "Hofstee, Piet"]
[Result "0-1"]
[WhiteElo "1700"]
[BlackElo "1777"]
[PlyCount "54"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
f3 d6 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Qa5 12. g4 Ne5 13. h4 Nc4 14. Bxc4 Rxc4
15. Nb3 Qc7 16. Bxa7 b6 17. g5 Nh5 18. Bxb6 Qxb6 19. Nd5 Qd8 20. Qa5 Qxa5 21.
Nxe7+ Kh8 22. Nxa5 Ra4 23. Nb7 Bxb2+ 24. Kxb2 Rb4+ 25. Ka1 Rxb7 26. Rxd6 Be6
27. Rb1 Rxe7 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Amkreutz, Mitch"]
[Black "Bertman, Max"]
[Result "1/2-1/2"]
[WhiteElo "1829"]
[BlackElo "1832"]
[PlyCount "59"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Bc4
O-O 9. O-O Be6 10. Qd3 Bxc4 11. Qxc4 Nbd7 12. Rd1 Rc8 13. Qe2 Nc5 14. Nxc5 Rxc5
15. Be3 Rxc3 16. bxc3 Nxe4 17. Qc4 Nf6 18. Qb3 Qc7 19. Rab1 b5 20. axb5 axb5
21. Qxb5 Qxc3 22. Qd3 Qxd3 23. Rxd3 Rc8 24. f3 d5 25. Bg5 d4 26. f4 e4 27. Rxd4
Bc5 28. Rbd1 Ng4 29. h3 h6 30. hxg4 1/2-1/2

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Lewerissa, Bas"]
[Black "Feldmeijer, Reitze"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1782"]
[BlackElo "1695"]
[PlyCount "52"]
[EventDate "2026.??.??"]

1. e4 d5 2. e5 c5 3. Nf3 Bg4 4. c3 Nc6 5. Be2 e6 6. d4 Bxf3 7. Bxf3 cxd4 8. cxd4 Qb6 9. O-O Nxd4 10. Qa4+ Nc6 11. Nc3 Nge7 12. Nb5 Nf5 13. Bf4 a6 14. Nc3 Qb4 15. Qxb4 Bxb4 16. Rac1 O-O 17. Bg4 Nfe7 18. Bg3 Rac8 19. f4 g6 20. Bh4 h5 21. Bd1 Nf5 22. Bf2 Na5 23. g4 hxg4 24. Bxg4 Nh6 25. Be2 Nc4 26. b3 Nd2 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Van der Plas, Jan"]
[Black "Pasteels, Luc"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1769"]
[BlackElo "1714"]
[PlyCount "65"]
[EventDate "2026.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 e6 6. Nbd2 Be7 7. Qc2 Bd7 8. Ne5 cxd4 9. exd4 Rc8 10. Nxc6 bxc6 11. Ba6 c5 12. Bxc8 Qxc8 13. Be5 O-O 14. O-O Ng4 15. Nf3 f6 16. Bg3 h5 17. Rac1 Qe8 18. h3 Nh6 19. dxc5 Bxc5 20. Nh4 g5 21. Nf3 Nf5 22. Kh1 g4 23. Nd4 gxh3 24. gxh3 Nxd4 25. cxd4 Bxd4 26. Qd2 e5 27. Rg1 Kf7 28. Bh4 Qe6 29. Rg3 Rg8 30. Rcg1 Rxg3 31. Rxg3 f5 32. Qg5 e4 33. Qg8# 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Oudshoorn, Paul"]
[Black "Been, Klaas"]
[Result "1-0"]
[WhiteElo "1798"]
[BlackElo "1727"]
[PlyCount "53"]
[EventDate "2026.??.??"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. g3 e6 5. Bg2 Bd6 6. O-O Nbd7 7. Qc2 O-O 8. Nbd2
Re8 9. b3 Nf8 10. Bb2 Ng6 11. Rad1 Qe7 12. Ne5 Bxe5 13. dxe5 Ng4 14. Nf3 Qc7
15. cxd5 exd5 16. Rxd5 N6xe5 17. Rfd1 Be6 18. Rxe5 Nxe5 19. Bxe5 Qb6 20. Ng5 g6
21. Qc3 Rad8 22. Rc1 Rd7 23. Ne4 Bf5 24. Nf6+ Kf8 25. Nxd7+ Bxd7 26. Bg7+ Kg8
27. Bh6 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Nouwens, Jeroen"]
[Black "Lim, Danny"]
[Result "1-0"]
[WhiteElo "1843"]
[BlackElo "1538"]
[PlyCount "33"]
[EventDate "2026.??.??"]

1. e4 e5 2. Nf3 d6 3. Bc4 f6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 Nc6 7. Ne6 Bxe6 8.
Bxe6 Nge7 9. O-O Ne5 10. f4 Nd7 11. Be3 b6 12. Qe2 Nc5 13. Bxc5 bxc5 14. e5 Rb8
15. exf6 gxf6 16. Nd5 h5 17. Nxf6# 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Fakkert, Erwin"]
[Black "Tegelaar, Nick"]
[Result "1-0"]
[WhiteElo "1781"]
[BlackElo "1672"]
[PlyCount "67"]
[EventDate "2026.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Bg5 Bg4 8.
Nbd2 Nbd7 9. Re1 c6 10. h3 Bh5 11. c3 Qc7 12. Qc2 Rfe8 13. a3 c5 14. Rac1 Rac8
15. Qb1 Bf4 16. Rxe8+ Rxe8 17. Re1 Bxg5 18. Nxg5 Qf4 19. Rxe8+ Nxe8 20. Ngf3
Bg6 21. Bxg6 hxg6 22. Qe1 Kf8 23. Nf1 Nef6 24. Ne3 cxd4 25. cxd4 Nb6 26. Qb4+
Kg8 27. b3 Qe4 28. Ng5 Qf4 29. Nf3 Ne4 30. Qe7 Nd6 31. Qd8+ Kh7 32. Ng5+ Kh6
33. Nf3 Qf6 34. Qh8# 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Rudman, Lev"]
[Black "Van Dijk, Jeroen"]
[Result "1/2-1/2"]
[WhiteElo "1776"]
[BlackElo "1667"]
[PlyCount "67"]
[EventDate "2026.??.??"]

1. d4 g6 2. c4 d6 3. Nc3 Nf6 4. Nf3 Bg7 5. e4 O-O 6. Be3 Nc6 7. Be2 e5 8. d5
Ne7 9. Qd2 Ng4 10. h4 Nxe3 11. Qxe3 h6 12. O-O-O f5 13. Bd3 f4 14. Qd2 Kf7 15.
Rdg1 Ng8 16. g4 Bd7 17. Ne1 Ne7 18. Nc2 c5 19. Nb5 Bxb5 20. cxb5 Rc8 21. b3 Qb6
22. a4 a5 23. Na3 Qc7 24. Nc4 b6 25. g5 h5 26. Bf1 Rcd8 27. Bh3 Ke8 28. Be6 Nc8
29. Bxc8 Rxc8 30. Qd3 Rb8 31. Qh3 Qd7 32. Rd1 Qxh3 33. Rxh3 Ke7 34. f3 1/2-1/2

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Asthana, Reyansh"]
[Black "Van Polen, John"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1507"]
[BlackElo "1600"]
[PlyCount "74"]
[EventDate "2026.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 O-O 10. O-O-O Nc6 11. Nb5 Bd7 12. Nxc7 Rac8 13. Nb5 a6 14. Bxf6 Bxf6 15. Nxd6 Rc7 16. d4 Nb4 17. a3 Nxc2 18. Bc4 b5 19. Kxc2 bxc4 20. Ne5 Ba4+ 21. Kd2 Bxd1 22. Rxd1 Rd8 23. Ke3 Rxd6 24. Ng4 Re7+ 25. Kf3 Bxd4 26. Ne3 Rf6+ 27. Kg3 Be5+ 28. Kh3 Rh6+ 29. Kg4 Rg6+ 30. Kf3 h6 31. Nxc4 Bc7 32. g3 Rf6+ 33. Kg2 Re2 34. Rf1 Rc2 35. Ne3 Rd2 36. b4 Bb6 37. a4 Bxe3 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Groenendijk, Patrick"]
[Black "Bingen, Stanley"]
[Result "1/2-1/2"]
[WhiteElo "1815"]
[BlackElo "1412"]
[PlyCount "87"]
[EventDate "2026.??.??"]

1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 Nc6 7. b3 Rb8 8. Ba3
b6 9. Bxe7 Nxe7 10. Nc3 Bb7 11. Re1 Qe8 12. Nb5 Qd8 13. Qc2 a6 14. Nc3 Qe8 15.
Nd2 Bxg2 16. Kxg2 Qg6 17. Rac1 Nc6 18. Nf3 Nb4 19. Qd2 Nh5 20. Ne5 Qe8 21. a3
Nc6 22. Nxc6 dxc6 23. f4 Rd8 24. Qe3 Nf6 25. h3 Qg6 26. Rcd1 Rfe8 27. Qf3 c5
28. dxc5 Rxd1 29. Rxd1 bxc5 30. Rd3 h5 31. h4 Ne4 32. Rd7 c6 33. Qd3 e5 34.
Nxe4 fxe4 35. Qd2 exf4 36. Qxf4 Rf8 37. Qd6 Qf5 38. Qd1 e3 39. Rd8 Qf2+ 40. Kh3
Qf6 41. Rxf8+ Qxf8 42. Qd3 Qf1+ 43. Kh2 Qf2+ 44. Kh3 1/2-1/2

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.22"]
[Round "6"]
[White "Lammers van Toorenburg, Ev"]
[Black "Hollenberg, Pieter"]
[Result "1-0"]
[WhiteElo "1464"]
[BlackElo "1250"]
[PlyCount "65"]
[EventDate "2026.??.??"]

1. c4 e5 2. Nc3 c6 3. Nf3 d6 4. e3 Nf6 5. d4 e4 6. Nd2 d5 7. cxd5 cxd5 8. f3
Bb4 9. Qa4+ Nc6 10. Bb5 Bxc3 11. Bxc6+ bxc6 12. Qxc6+ Bd7 13. Qxc3 exf3 14. Qa3
fxg2 15. Rg1 Ng4 16. Nf3 Qf6 17. e4 dxe4 18. Bg5 exf3 19. Bxf6 f2+ 20. Ke2
f1=Q+ 21. Rgxf1 gxf1=Q+ 22. Kxf1 Nxf6 23. Re1+ Be6 24. Qd6 Rd8 25. Qc6+ Kf8 26.
Qc5+ Kg8 27. Qxa7 Bc4+ 28. Kg1 Be6 29. b4 g6 30. Qe7 Kg7 31. Rxe6 Nd5 32. Qb7
Kh6 33. Re5 1-0

