[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van der Marel, Lambertus"]
[Black "Pijpers, Arthur"]
[Result "0-1"]
[WhiteElo "2030"]
[BlackElo "2483"]
[PlyCount "40"]
[EventDate "2026.??.??"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. g3 Nc6 5. Bg2 d5 6. d4 Bg7 7. O-O O-O 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. dxc5 Qxc5 11. Qa4 Be6 12. Qh4 Qc4 13. e4 h5 14. Ng5 Bg4 15. h3 Be2 16. Be3 f6 17. Nf3 Qf7 18. g4 Bxf1 19. Bxf1 g5 20. Bxg5 Nd4 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Passenier, Peter"]
[Black "Van der Bent, Gideon"]
[Result "1-0"]
[WhiteElo "2004"]
[BlackElo "1988"]
[PlyCount "65"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nc6 7. Nxc6 bxc6 8. Qe2 e5 9. f4 Nf6 10. fxe5 Qxe5 11. Nd2 Bc5+ 12. Kh1 O-O 13. Nc4 Qh5 14. Qxh5 Nxh5 15. e5 d5 16. exd6 Be6 17. Bg5 f6 18. Bd2 Bd5 19. Ba5 g5 20. Nb6 Nf4 21. Nxd5 Nxd5 22. d7 Bb6 23. Bxb6 Nxb6 24. Bf5 Ra7 25. Rad1 Rd8 26. Rd6 Kg7 27. Rxc6 Nxd7 28. Rd6 Kf7 29. Rfd1 Ke7 30. Bxh7 Rc8 31. Rxd7+ Rxd7 32. Rxd7+ Kxd7 33. Bf5+ 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Margaryan, Aren"]
[Black "De Weerd, Just"]
[Result "1/2-1/2"]
[WhiteElo "2043"]
[BlackElo "1975"]
[PlyCount "40"]
[EventDate "2026.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be2 e6 5. Nf3 c5 6. c3 cxd4 7. cxd4 Nc6 8. O-O Nge7 9. Nc3 Ng6 10. Be3 Be7 11. Rc1 O-O 12. h3 h5 13. Nh2 h4 14. Qd2 Ngxe5 15. dxe5 d4 16. Bxd4 Qxd4 17. Qxd4 Nxd4 18. Bg4 Bxg4 19. Nxg4 Rac8 20. Rcd1 Rfd8 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Brienen, Jacob"]
[Black "Morssink, Pieter Jan"]
[Result "1-0"]
[WhiteElo "2140"]
[BlackElo "1955"]
[PlyCount "87"]
[EventDate "2026.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. O-O-O b5 7. e5 b4 8. Nb1 Nd5 9. exd6 N7f6 10. dxe7 Bxe7 11. Bh6 Ng4 12. Nf3 Nxh6 13. Qxh6 Bf8 14. Qd2 h5 15. Re1+ Be6 16. Qd3 Bh6+ 17. Nbd2 Nf4 18. Qe3 Kf8 19. Qe5 Kg8 20. g3 Nd5 21. Bd3 Qa5 22. Bc4 Qb6 23. h4 a5 24. Kb1 Bg7 25. Qd6 Rd8 26. Qc5 Qc7 27. Ne5 Kh7 28. Ndf3 Rhe8 29. Nxc6 Bf8 30. Qb5 Rb8 31. Nxb8 Rxb8 32. Ng5+ Kh6 33. Nxe6 fxe6 34. Qa6 Rb6 35. Qa8 Qxc4 36. Qxf8+ Kh7 37. Qf7+ Kh8 38. Re5 Nc3+ 39. bxc3 bxc3+ 40. Kc1 Qxd4 41. Qe8+ Kg7 42. Rb5 Qd2+ 43. Kb1 Rd6 44. Qe7+ 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Margaryan, Artur"]
[Black "Van der Knaap, Jan"]
[Result "1-0"]
[WhiteElo "2134"]
[BlackElo "1881"]
[PlyCount "65"]
[EventDate "2026.??.??"]

1. d4 d6 2. e4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 O-O 6. Bg5 a6 7. a4 c5 8. d5 e6 9. Qd2 exd5 10. cxd5 Qa5 11. Ra3 Nbd7 12. Nh3 Ne5 13. Nf2 Qb4 14. Qc2 Re8 15. Be2 c4 16. Be3 Nxd5 17. exd5 Nd3+ 18. Nxd3 cxd3 19. Qxd3 Qxb2 20. Nd1 Qb4+ 21. Bd2 Qc5 22. Nf2 Bf5 23. Ne4 Rxe4 24. fxe4 Bxe4 25. Qxe4 Qxa3 26. O-O Qa2 27. Bf4 Be5 28. Bxe5 dxe5 29. Qxe5 Qxa4 30. d6 Re8 31. Qf6 Qb3 32. d7 Qe3+ 33. Kh1 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van Briemen, Willem"]
[Black "Veenendaal, Loek"]
[Result "0-1"]
[WhiteElo "1973"]
[BlackElo "1962"]
[PlyCount "88"]
[EventDate "2026.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 O-O 7. a3 Bxc3+ 8. bxc3 d5 9. cxd5 Bxf1 10. Nxf1 exd5 11. Nd2 c5 12. O-O Nc6 13. a4 c4 14. f3 Re8 15. Re1 Qd7 16. Ba3 Qf5 17. Qb1 Qg5 18. Nf1 Qh4 19. Qc2 Re6 20. Qf2 Qh6 21. Qg3 Rae8 22. Ra2 Nh5 23. Qh4 f5 24. Rae2 Nf4 25. Qxh6 Nxe2+ 26. Rxe2 Rxh6 27. Nd2 Na5 28. h3 Rhe6 29. Kf2 Nb3 30. Nf1 f4 31. Bb2 Kf7 32. g3 g5 33. h4 h6 34. hxg5 hxg5 35. gxf4 gxf4 36. Ba3 a6 37. e4 dxe4 38. fxe4 Rxe4 39. Rxe4 Rxe4 40. Bd6 Ke6 41. Bc7 b5 42. axb5 axb5 43. Nh2 b4 44. cxb4 c3 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Molenkamp, Jan Bertus"]
[Black "Veldhuyzen, Ywein"]
[Result "1/2-1/2"]
[WhiteElo "1867"]
[BlackElo "1925"]
[PlyCount "45"]
[EventDate "2026.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bg5 Bg4 7. Ne2 e6 8. f3 Bh5 9. Nd2 Bg6 10. Bxg6 hxg6 11. Qb3 Qc7 12. Bf4 Bd6 13. Bxd6 Qxd6 14. g3 b6 15. O-O-O Rc8 16. Kb1 Na5 17. Qb5+ Kf8 18. h4 Nh5 19. g4 Ng3 20. Nxg3 Qxg3 21. Qd7 Qc7 22. Qxc7 Rxc7 23. Rde1 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van Dijk, Eduard"]
[Black "Beijen, Mark"]
[Result "1/2-1/2"]
[WhiteElo "1982"]
[BlackElo "1953"]
[PlyCount "73"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e5 7. Nb3 Be7 8. f3 O-O 9. Qd2 a5 10. a4 Nb4 11. g4 d5 12. exd5 Nfxd5 13. Nxd5 Nxd5 14. Bc4 Nxe3 15. Qxe3 Bh4+ 16. Kf1 Qf6 17. Kg2 e4 18. Qxe4 Bd7 19. Qd4 Qc6 20. Rhd1 Rfd8 21. Qf4 Qg6 22. Bd3 Qb6 23. Qd4 Qh6 24. Qc5 Qf6 25. Be4 Qxb2 26. Qh5 Qf6 27. Bxh7+ Kf8 28. Qc5+ Ke8 29. Be4 Rac8 30. Qe3 Kf8 31. Rd4 Qb6 32. Rad1 Bf6 33. R4d3 Qc7 34. Rd5 Bxa4 35. Rxd8+ Rxd8 36. Rxd8+ Bxd8 37. Qc5+ 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Prijs, Xander"]
[Black "Van der Scheer, Henk"]
[Result "0-1"]
[WhiteElo "1914"]
[BlackElo "1939"]
[PlyCount "76"]
[EventDate "2026.??.??"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nf3 c5 5. b4 d6 6. bxc5 dxc5 7. Bb2 e6 8. Nc3 Nc6 9. Be2 Be7 10. O-O f5 11. Nb5 O-O 12. d4 cxd4 13. Nbxd4 Nxd4 14. Nxd4 Bd7 15. Rc1 Na4 16. Ba1 Nc5 17. Bf3 Rc8 18. Qe2 a6 19. Rfd1 Qc7 20. h3 Ba4 21. Re1 Rfd8 22. Rb1 Kf7 23. g4 f4 24. Bc3 Rd7 25. Qd2 Rcd8 26. Qxf4+ Kg8 27. Qe3 h6 28. Bg2 b5 29. cxb5 Bxb5 30. Nxb5 axb5 31. Qe2 Nd3 32. Rb3 Nxe1 33. Bxe1 Rd1 34. Kh2 Qc1 35. Re3 Bg5 36. Re4 Bf4+ 37. Kg1 Rxe1+ 38. Qxe1 Rd1 0-1

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Muilwijk, Marco"]
[Black "Kumar, Dhruv"]
[Result "1/2-1/2"]
[WhiteElo "1884"]
[BlackElo "1869"]
[PlyCount "68"]
[EventDate "2026.??.??"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 b6 6. Nf3 Bb7 7. g3 O-O 8. Bg2 d6 9. O-O Nd7 10. d4 c5 11. e3 f5 12. Rc1 Nf6 13. d5 Ne4 14. Nxe4 fxe4 15. Nd2 f5 16. Nb1 a6 17. Nc3 b5 18. Ne2 bxc4 19. bxc4 Bc8 20. Qd2 Rb8 21. Rb1 Bd7 22. h4 Qc7 23. Nf4 Rxb1 24. Rxb1 Rb8 25. Rxb8+ Qxb8 26. Qa5 Qb1+ 27. Bf1 Qb7 28. Qd8+ Kf7 29. Kg2 h6 30. h5 gxh5 31. Qh4 Qb8 32. Be2 Qf8 33. Qxh5+ Kg8 34. Ne6 Qf6 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Kurtoglu, Devrim"]
[Black "Zeven, Frank"]
[Result "1/2-1/2"]
[WhiteElo "1850"]
[BlackElo "1979"]
[PlyCount "147"]
[EventDate "2026.??.??"]

1. d4 e6 2. Nf3 d5 3. g3 f5 4. Bg2 Nf6 5. O-O Bd6 6. c4 c6 7. b3 Qe7 8. Bb2 O-O 9. Qc1 Bd7 10. Ba3 Be8 11. Bxd6 Qxd6 12. c5 Qc7 13. Nbd2 Nbd7 14. Qb2 Bh5 15. b4 a6 16. a4 Rae8 17. e3 Bxf3 18. Nxf3 e5 19. Nxe5 Nxe5 20. dxe5 Rxe5 21. Rab1 Nd7 22. Rfc1 Rfe8 23. Bf1 R5e7 24. Qc2 Rf8 25. b5 axb5 26. axb5 g5 27. Rb4 Re4 28. Rd4 Ne5 29. Bg2 g4 30. Qb3 Qf7 31. bxc6 bxc6 32. Rb1 Rxd4 33. exd4 Nc4 34. Qb7 Qxb7 35. Rxb7 Re8 36. h3 Re1+ 37. Kh2 Re2 38. Kg1 Re1+ 39. Kh2 Rd1 40. Rc7 Na5 41. Rxc6 Nxc6 42. Bxd5+ Kg7 43. Bxc6 Rxd4 44. hxg4 fxg4 45. Bb7 Rc4 46. c6 Kf6 47. Bc8 h5 48. Bd7 Ke7 49. Kg2 Kd8 50. Kh2 Rc2 51. Kg2 Ke7 52. Kg1 Kf6 53. Kg2 Kg5 54. Be8 h4 55. gxh4+ Kxh4 56. Kf1 Kg5 57. Bd7 Kf4 58. Ke1 Kf3 59. Kd1 Rc5 60. Ke1 Rc4 61. Bc8 Rc1+ 62. Kd2 Rc5 63. Ke1 Rc4 64. Bb7 Kf4 65. Ke2 Re4+ 66. Kf1 Re7 67. Kg2 Rc7 68. Ba8 Rg7 69. Bb7 Ke5 70. Kg3 Rf7 71. Kxg4 Rxf2 72. c7 Rc2 73. c8=R Rxc8 74. Bxc8 1/2-1/2

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Hensbergen, Willem"]
[Black "Scherpenisse, Kees"]
[Result "1-0"]
[WhiteElo "2062"]
[BlackElo "1910"]
[PlyCount "45"]
[EventDate "2026.??.??"]

1. Nf3 d5 2. c4 e6 3. e3 c5 4. cxd5 exd5 5. d4 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. dxc5 Bxc5 9. O-O O-O 10. Nc3 Nb6 11. b3 Qe7 12. a4 Bb4 13. Bb2 Rac8 14. Ne2 Rfd8 15. Nfd4 Nbd7 16. Nf4 g6 17. Nd3 Bc3 18. Bxc3 Rxc3 19. Nb5 Rc6 20. Nxa7 Re6 21. Rc1 Ne5 22. Nf4 Red6 23. Nc8 1-0

[Event "PK LSB groep A"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Wagemans, Ed"]
[Black "Van Veen, Kylian"]
[Result "1-0"]
[WhiteElo "1857"]
[BlackElo "1906"]
[PlyCount "65"]
[EventDate "2026.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Be7 9. e5 Nd7 10. f4 Qb6+ 11. Kh1 Ba6 12. b3 Bxd3 13. Qxd3 O-O 14. Bb2 Rfd8 15. Na4 Qb7 16. f5 exf5 17. Qxf5 Rf8 18. Rae1 Rae8 19. Qg4 Kh8 20. Re3 f6 21. Rg3 Rg8 22. Rh3 Nf8 23. Qh5 Qd7 24. Qf7 d4 25. Bxd4 fxe5 26. Bxe5 Bf6 27. Rxh7+ Nxh7 28. Qxd7 Rxe5 29. Qxc6 Rge8 30. Nc5 Re1 31. Qf3 Bc3 32. Nd3 R1e2 33. Nf4 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Beetstra, Jaap"]
[Black "Van Amsterdam, Jan"]
[Result "1/2-1/2"]
[WhiteElo "1800"]
[BlackElo "1842"]
[PlyCount "51"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Qxd5 8. Nc3 Bb4 9. Bd2 Bxc3 10. Bxc3 O-O 11. Rd1 Qf5 12. Be5 Nf6 13. Qd3 Nc6 14. Be2 Nb4 15. Qxf5 Bxf5 16. Nd4 Nxc2+ 17. Nxc2 Bxc2 18. Rc1 Be4 19. Bxf6 gxf6 20. Rxc7 Rac8 21. Rc3 Rfd8 22. Kf2 Rxc3 23. bxc3 Kf8 24. Rd1 Rxd1 25. Bxd1 Ke7 26. g3 1/2-1/2

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Moeri, Erick"]
[Black "Bharos, Nimai"]
[Result "1-0"]
[WhiteElo "1800"]
[BlackElo "1700"]
[PlyCount "83"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 Bg4 6. h3 Bxf3 7. Bxc6+ bxc6 8. Qxf3 Nf6 9. d3 O-O 10. O-O c5 11. Nc3 d4 12. Ne4 Nxe4 13. Qxe4 f5 14. Qd5+ Kh8 15. Ba3 Qe7 16. exd4 cxd4 17. Bxd6 Qxd6 18. Qa5 c5 19. Rfe1 Rfe8 20. f3 h6 21. Rab1 Qb6 22. Qa4 a5 23. Qd7 Qe6 24. Qc7 Qd5 25. Re2 Ra6 26. Rbe1 Rae6 27. Qxa5 e4 28. fxe4 fxe4 29. Rxe4 Rxe4 30. Rxe4 Rxe4 31. dxe4 Qxe4 32. Qd2 Kg8 33. a4 Kf7 34. Kf1 g5 35. Qe2 Qg6 36. a5 Kg8 37. a6 Kh8 38. Kg1 Qb6 39. Qe8+ Kg7 40. Qe7+ Kg6 41. a7 Qa5 42. Qe4+ 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van Leeuwen, Nick"]
[Black "Lewerissa, Bas"]
[Result "1-0"]
[WhiteElo "1696"]
[BlackElo "1782"]
[PlyCount "51"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 c5 2. a3 Nc6 3. b4 cxb4 4. axb4 e5 5. b5 Nd4 6. c3 Ne6 7. Nf3 Nf6 8. Nxe5 Nxe4 9. d4 d6 10. Nf3 Be7 11. Bd3 Nf6 12. O-O O-O 13. Re1 b6 14. d5 Nc5 15. Bc2 a5 16. Nd4 Re8 17. Nd2 Nxd5 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Qxd5 Be6 21. Nxe6 fxe6 22. Qf3 Rf8 23. Qh3 Bh4 24. Nf3 Qf6 25. Qxh4 Qxc3 26. Bd2 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Burgers, Bram"]
[Black "Vergeer, Michiel"]
[Result "1/2-1/2"]
[WhiteElo "1835"]
[BlackElo "1774"]
[PlyCount "39"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 d6 6. Nxd4 h6 7. Bb5 Bd7 8. O-O Nxd4 9. Bxd7+ Nxd7 10. Qxd4 c6 11. Nc3 Qf6 12. Qxf6 Nxf6 13. Be3 O-O-O 14. Rad1 Be7 15. Rd3 Rd7 16. Rfd1 Rhd8 17. h3 d5 18. exd5 Nxd5 19. Nxd5 Rxd5 20. Rxd5 1/2-1/2

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Schenkelaars, Vincent"]
[Black "Verbaken, Ilja"]
[Result "1-0"]
[WhiteElo "1824"]
[BlackElo "1718"]
[PlyCount "63"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 h6 4. a3 c5 5. dxc5 Bxc5 6. b4 Be7 7. Bb2 O-O 8. g3 d5 9. Nbd2 b6 10. Bg2 Bb7 11. O-O Na6 12. Ne5 Rb8 13. Rc1 dxc4 14. Ndxc4 Bxg2 15. Kxg2 Rc8 16. f3 Nd5 17. e4 Nf6 18. Qa4 Nb8 19. Rfd1 Qe8 20. Qxa7 b5 21. Na5 Rxc1 22. Rxc1 Qd8 23. Qd4 Qxd4 24. Bxd4 Rd8 25. Nac6 Nxc6 26. Nxc6 Rd7 27. Kf2 Kh7 28. Ke3 Rc7 29. Rc3 Bf8 30. Be5 Rb7 31. Nd4 Nd7 32. Rc7 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van Dijk, Jeroen"]
[Black "Moeri, Casper"]
[Result "0-1"]
[WhiteElo "1667"]
[BlackElo "1751"]
[PlyCount "108"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. c4 e5 2. Nc3 c6 3. Nf3 d6 4. g3 Be6 5. b3 Nd7 6. Bg2 g6 7. O-O Bg7 8. Bb2 Ne7 9. d4 O-O 10. Qd2 d5 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. dxe5 Bxf3 14. Bxf3 Nxe5 15. Qxd8 Raxd8 16. Bxe5 Bxe5 17. Rad1 Rfe8 18. a4 Kf8 19. h3 Ke7 20. Be4 Rxd1 21. Rxd1 Rd8 22. Rxd8 Kxd8 23. g4 Kc7 24. Bd3 Kd6 25. Bc4 f6 26. Kg2 Kc5 27. Kf3 b5 28. axb5 cxb5 29. Bf7 g5 30. Ke4 a5 31. Kd3 a4 32. bxa4 bxa4 33. Kc2 Bd4 34. f3 a3 35. Kb3 Bb2 36. Bg8 h6 37. Bh7 Kd4 38. Bg8 Bc1 39. Kc2 Bb2 40. Kd2 Ke5 41. Ke3 Bc1+ 42. Kf2 Kd4 43. Kg3 Kc3 44. h4 Kb2 45. hxg5 hxg5 46. e4 a2 47. Bxa2 Kxa2 48. Kf2 Kb3 49. Ke1 Kc3 50. Ke2 Kc2 51. Kf2 Kd3 52. Kf1 Ke3 53. Kg2 Ke2 54. Kg3 Bd2 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Hofstee, Piet"]
[Black "Rudman, Lev"]
[Result "1-0"]
[WhiteElo "1777"]
[BlackElo "1776"]
[PlyCount "39"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. f4 Nc6 2. Nf3 d5 3. e3 Nf6 4. Bb5 Bd7 5. O-O e6 6. b3 Bd6 7. Bb2 a6 8. Bxc6 Bxc6 9. Ne5 Bb5 10. c4 dxc4 11. bxc4 Bxe5 12. fxe5 Bxc4 13. exf6 Bxf1 14. fxg7 Rg8 15. Qxf1 Qg5 16. Bf6 Qf5 17. Qxf5 exf5 18. Nc3 Kd7 19. Nd5 Rae8 20. Bc3 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Tegelaar, Nick"]
[Black "Van Vleuten, Ronald"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1672"]
[BlackElo "1736"]
[PlyCount "106"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 Qxb4 5. Nb5 Na6 6. Qf3 Nf6 7. Bd3 c6 8. c3 Qg4 9. Nd4 Nc7 10. Nxc6 Qxf3 11. Nxf3 bxc6 12. Ne5 Bd7 13. Rb1 Ng4 14. Nxd7 Nxf2 15. Kxf2 Kxd7 16. Bc4 e6 17. Rf1 Bd6 18. d4 Rab8 19. Bd2 Rb6 20. Rxb6 axb6 21. Bd3 h5 22. c4 Bxh2 23. g3 h4 24. Kg2 Bxg3 25. Rxf7+ Kd6 26. Be4 Ra8 27. Bb4+ c5 28. dxc5+ bxc5 29. Bxa8 Nxa8 30. Bd2 Nb6 31. Bf4+ e5 32. Bxg3 hxg3 33. Rxg7 Nxc4 34. Rxg3 Kd5 35. Kf2 e4 36. Ke2 Kd4 37. a4 Na5 38. Kd2 c4 39. Rh3 Nb3+ 40. Kc2 Na1+ 41. Kb2 Nb3 42. Kc2 Na1+ 43. Kd1 Nb3 44. Rh1 Kd3 45. Rh2 e3 46. Rg2 c3 47. Rh2 Nd4 48. Rh1 c2+ 49. Kc1 Nb3+ 50. Kb2 c1=Q+ 51. Rxc1 Nxc1 52. Kxc1 e2 53. Kb2 e1=Q 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Bertman, Max"]
[Black "Nouwens, Jeroen"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1832"]
[BlackElo "1843"]
[PlyCount "77"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. e3 Nc6 5. Bg2 d5 6. cxd5 exd5 7. Nc3 cxd4 8. exd4 Bb4 9. Nge2 O-O 10. O-O h6 11. a3 Bxc3 12. Nxc3 Re8 13. Bf4 a6 14. Qd2 Bf5 15. Rfe1 Ne4 16. Nxe4 dxe4 17. Be3 Qd5 18. Rac1 b6 19. Bf1 Na5 20. Qb4 Re6 21. Rc7 Nc6 22. Qxb6 Ne5 23. Qb4 Nf3+ 24. Kh1 Nxe1 25. Qxe1 Qd8 26. Qc3 Bg4 27. h3 Bf3+ 28. Kh2 Re7 29. Rc6 a5 30. Bg2 Bxg2 31. Kxg2 Kh7 32. Qc5 Qd7 33. Rd6 Qc7 34. Rc6 Qd7 35. Rd6 Qa7 36. Qf5+ g6 37. Qf4 Rh8 38. Qxh6+ Kg8 39. Rd8+ 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Been, Klaas"]
[Black "Groenendijk, Patrick"]
[Result "1-0"]
[WhiteElo "1727"]
[BlackElo "1815"]
[PlyCount "59"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 e6 5. Bxf5 exf5 6. Qd3 g6 7. Qb5+ Nbd7 8. Qxb7 Bd6 9. Nbd2 O-O 10. O-O Qe7 11. Qa6 Rfb8 12. Qd3 Ne4 13. c4 c6 14. b3 g5 15. Bb2 g4 16. Ne1 Bxh2+ 17. Kxh2 Qh4+ 18. Kg1 Kh8 19. Nxe4 fxe4 20. Qe2 Rg8 21. g3 Qh3 22. Ng2 Rg5 23. Nf4 Qh6 24. Kg2 Nf8 25. Rh1 Qf6 26. Rh4 Ng6 27. Rxg4 Rg8 28. Nxg6+ R8xg6 29. Rxg5 Qxg5 30. Rh1 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Pasteels, Luc"]
[Black "Asthana, Reyansh"]
[Result "1-0"]
[WhiteElo "1714"]
[BlackElo "1507"]
[PlyCount "31"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 c5 2. c3 Nc6 3. Nf3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 cxd4 7. cxd4 Bxf3 8. Bxf3 Qe6+ 9. Be3 Qf6 10. Nc3 Rd8 11. d5 Ne5 12. Qa4+ Rd7 13. Be2 a6 14. Rc1 h6 15. Ne4 b5 16. Nxf6+ 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Mulder, Abel"]
[Black "Fakkert, Erwin"]
[Result "0-1"]
[WhiteElo "1653"]
[BlackElo "1781"]
[PlyCount "96"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Nbd7 6. e3 Be7 7. Rc1 O-O 8. cxd5 exd5 9. Be2 Re8 10. Nb5 cxb5 11. Qb3 Qa5+ 12. Kf1 Qb4 13. Qc2 Bd8 14. h4 Nb6 15. h5 h6 16. Ne5 Be6 17. Nd3 Qe7 18. Nc5 a6 19. f3 Nc4 20. b3 Na5 21. g4 Nh7 22. Bd3 Ng5 23. Qg2 Bc8 24. Qg3 b6 25. b4 bxc5 26. bxa5 c4 27. Bb1 Bxa5 28. Rc2 Ra7 29. Rg2 Bc7 30. Bxc7 Qxc7 31. f4 Ne4 32. Bxe4 Rxe4 33. g5 Qd6 34. gxh6 Qxh6 35. f5 Rxe3 36. Qb8 Rf3+ 37. Rf2 Rxf2+ 38. Kxf2 Qd2+ 39. Kf3 Qd3+ 40. Kg2 Qe2+ 41. Kg3 Qe3+ 42. Kg2 Qe4+ 43. Kh2 Re7 44. Qxc8+ Re8 45. Qc7 Qe2+ 46. Kg3 Re3+ 47. Kf4 Re4+ 48. Kg3 Rg4+ 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Lim, Danny"]
[Black "Lammers van Toorenburg, Everwijn"]
[Result "1-0"]
[WhiteElo "1538"]
[BlackElo "1464"]
[PlyCount "59"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 e6 4. Nf3 Nf6 5. d3 a6 6. a4 d5 7. exd5 exd5 8. Bb3 d4 9. Ne2 h6 10. Bf4 Nh5 11. Qd2 Bg4 12. O-O-O Bxf3 13. gxf3 Nxf4 14. Qxf4 Qg5 15. Qxg5 hxg5 16. Rde1 f6 17. Nxd4+ Kd7 18. Ne6 Bd6 19. Nxg7 Nd4 20. Bd5 Bxh2 21. Ne6 Nxe6 22. Bxe6+ Kd6 23. Bc4 Bf4+ 24. Kb1 Rxh1 25. Rxh1 Re8 26. Rh6 Ke5 27. Rh7 Rb8 28. Re7+ Kf5 29. Bd5 b5 30. Be4# 1-0

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Bingen, Stanley"]
[Black "Oudshoorn, Paul"]
[Result "0-1"]
[WhiteElo "1412"]
[BlackElo "1798"]
[PlyCount "52"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. Be2 dxe4 5. Ng5 Nf6 6. O-O h6 7. Nh3 e5 8. Kh1 Be7 9. Ng1 O-O 10. c4 Nd4 11. Re1 Bd7 12. Bf1 Bc6 13. Nc3 Qd7 14. b3 Rad8 15. Nge2 Qf5 16. Kg1 Ng4 17. f3 exf3 18. Ng3 Qg6 19. Nce4 f5 20. gxf3 Nxh2 21. Kxh2 fxe4 22. fxe4 Nf3+ 23. Kh3 Bd7+ 24. Nf5 Bxf5+ 25. exf5 Rxf5 26. Re4 Rh5+ 0-1

[Event "PK LSB groep B"]
[Site "Leiden"]
[Date "2026.06.15"]
[Round "5"]
[White "Van Polen, John"]
[Black "Hollenberg, Pieter"]
[Result "1-0"]
[WhiteElo "1600"]
[BlackElo "1250"]
[PlyCount "51"]
[EventDate "2026.??.??"]
[EventCountry "NED"]

1. d4 c5 2. dxc5 e6 3. e4 Bxc5 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nxe4 8. Bd3 f5 9. Bxe4 fxe4 10. Ne5 Qa5+ 11. Nc3 d6 12. Qh5+ Kd8 13. Nf7+ Kc7 14. Nxh8 Bd4 15. Bxd6+ Kxd6 16. Rd1 Nc6 17. O-O Kc7 18. Qe8 b6 19. Qf7+ Bd7 20. Ng6 e3 21. fxe3 Bxe3+ 22. Kh1 Nd4 23. Rd3 Qc5 24. Rxe3 Nf5 25. Rd3 Nd6 26. Rxd6 1-0

