[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Mohtaat, Homayoun"]
[Black "Teianu, Sabin"]
[Result "1-0"]
[WhiteElo "1916"]
[BlackElo "1961"]
[PlyCount "123"]
[EventDate "2024.??.??"]

1. d4 e6 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qb3 Qxb3 6. axb3 cxd4 7. exd4 Nge7 8.
Nf3 Ng6 9. Bg3 Be7 10. h4 Bf6 11. Nbd2 d5 12. b4 O-O 13. h5 Nge7 14. b5 Nd8 15.
Bd3 Nf5 16. Bf4 Be7 17. g4 Nd6 18. b3 f5 19. Bxd6 Bxd6 20. g5 b6 21. g6 h6 22.
O-O Bb7 23. Ra2 f4 24. Rfa1 Bb8 25. Ne5 Bxe5 26. dxe5 f3 27. Rxa7 Rc8 28. Nb1
d4 29. Bc4 Rf4 30. Rxb7 Rxc4 31. Ra8 dxc3 32. Rxd8+ Rf8 33. Rbb8 Rcf4 34. Rxf8+
Rxf8 35. Rxf8+ Kxf8 36. Nxc3 Ke7 37. Kh2 Kd7 38. Kg3 Ke7 39. Kxf3 Kd7 40. Ke4
Kc7 41. f4 Kd7 42. f5 exf5+ 43. Kxf5 Ke7 44. Nd5+ Kd7 45. b4 Ke8 46. Ke6 Kd8
47. Kf7 Kd7 48. Nxb6+ Kc7 49. Nc4 Kd7 50. e6+ Kc7 51. e7 Kb7 52. e8=Q Kc7 53.
Qc6+ Kd8 54. Qa8+ Kc7 55. b6+ Kd7 56. Ne5+ Kd6 57. Qb8+ Kd5 58. Qe8 Kd6 59. b7
Kc7 60. b8=R Kd6 61. Rb6+ Kd5 62. Qe6+ 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Margaryan, Artur"]
[Black "Schenkelaars, Robin"]
[Result "1-0"]
[WhiteElo "2082"]
[BlackElo "1934"]
[PlyCount "39"]
[EventDate "2024.??.??"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 O-O 5. c4 d6 6. d4 c5 7. Be2 Nbd7 8. d5 e6
9. dxe6 fxe6 10. Qxd6 Qe8 11. Qd3 b6 12. Nc3 Bb7 13. Nb5 Be4 14. Qd6 Kh8 15.
Nc7 Qb8 16. O-O-O Rd8 17. Nxe6 Qxd6 18. Rxd6 Rg8 19. Nfg5 h6 20. Nxe4 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Passenier, Peter"]
[Black "Pijpers, Arthur"]
[Result "0-1"]
[WhiteElo "2166"]
[BlackElo "2456"]
[PlyCount "46"]
[EventDate "2024.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3
O-O 9. Qd2 a5 10. Bb5 Be6 11. O-O-O Nb4 12. a3 Qc7 13. Kb1 d5 14. exd5 Nbxd5
15. Nxd5 Nxd5 16. Bd3 b5 17. Be4 Rfd8 18. Bxd5 Bxd5 19. Qf2 Qc4 20. Bc5 Bh4 21.
Qf1 Rac8 22. Qxc4 bxc4 23. Bb6 cxb3 0-1

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Feiner, Reinier"]
[Black "De Bruin, Bert"]
[Result "1-0"]
[WhiteElo "1934"]
[BlackElo "1955"]
[PlyCount "89"]
[EventDate "2024.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 d5 5. e5 Qb6 6. a3 cxd4 7. cxd4 Nge7 8. Nc3
Nf5 9. Na4 Qc7 10. g4 Nfe7 11. Bd3 Bd7 12. Bd2 a6 13. Rc1 Ng6 14. h4 b5 15. Nc5
Bxc5 16. Rxc5 Qb6 17. b4 Nge7 18. h5 h6 19. Qe2 Nd8 20. Rg1 Nb7 21. Rc2 Nc6 22.
Qe3 O-O-O 23. g5 Kb8 24. gxh6 gxh6 25. Rg7 Rdf8 26. Qf4 Be8 27. Bc3 Qd8 28. Ke2
Ka8 29. a4 f6 30. Qg4 f5 31. Qg1 Na7 32. Bd2 Rf7 33. axb5 axb5 34. Rg6 Qe7 35.
Qa1 Kb8 36. Qa6 Nd8 37. Qb6+ Nb7 38. Rxe6 Qd8 39. Qa6 Rc7 40. Ra2 Nc5 41. dxc5
Bxh5 42. Rb6+ Ka8 43. Bxb5 Qc8 44. Bc6+ Rxc6 45. Qxa7# 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Brienen, Jacob"]
[Black "Van der Scheer, Henk"]
[Result "1/2-1/2"]
[WhiteElo "1958"]
[BlackElo "1980"]
[PlyCount "131"]
[EventDate "2024.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Nxf6+ Nxf6 7. Nf3 Bg4
8. Be2 g6 9. Ne5 Bxe2 10. Qxe2 Bg7 11. O-O O-O 12. a4 Qc7 13. Nd3 Rfe8 14. Bf4
Qc8 15. h3 Nd7 16. Rfd1 c5 17. d5 e5 18. dxe6 Rxe6 19. Qf3 c4 20. Nb4 Ne5 21.
Bxe5 Bxe5 22. Rd5 Qe8 23. a5 Bc7 24. Rf1 Rd8 25. Rxd8 Qxd8 26. Rd1 Kg7 27. g3
Qc8 28. Kg2 Bxa5 29. Nd5 Bd8 30. Nf4 Rf6 31. Qd5 Bb6 32. Qe5 Qf5 33. Qxf5 Rxf5
34. Rd2 Bc5 35. Rd7 Kf8 36. f3 b5 37. Nd5 Ke8 38. g4 Re5 39. Nf6+ Kf8 40. Nxh7+
Kg7 41. Ng5 Re7 42. Rxe7 Bxe7 43. Ne4 a5 44. Kf2 f5 45. Nd2 Bc5+ 46. Ke2 Kf6
47. f4 a4 48. Kf3 a3 49. bxa3 Bxa3 50. Ke2 Bb2 51. Nb1 Bc1 52. Kd1 Bxf4 53.
gxf5 Kxf5 54. Na3 Be5 55. Nxb5 Kf4 56. Na3 Kg3 57. Nxc4 Bxc3 58. Ke2 Kxh3 59.
Kf3 Bd4 60. Ke4 Bg7 61. Kf3 Bd4 62. Ke4 Bc3 63. Kf3 g5 64. Ne3 Bb2 65. Ng4 Bd4
66. Nh6 1/2-1/2

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van Briemen, Willem"]
[Black "Van der Bent, Gideon"]
[Result "1/2-1/2"]
[WhiteElo "1982"]
[BlackElo "1949"]
[PlyCount "104"]
[EventDate "2024.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 f5 5. Bf4 Bd6 6. e3 Nf6 7. Be2 O-O 8. O-O
Qe7 9. Ne5 Nbd7 10. Qc2 a5 11. Rac1 Bxe5 12. Bxe5 Nxe5 13. dxe5 Ng4 14. Bxg4
fxg4 15. Na4 Qc7 16. Qc3 Rf5 17. Qd4 Bd7 18. cxd5 exd5 19. Nb6 Re8 20. Nxd5
Qxe5 21. Qxe5 Rfxe5 22. Nc3 b5 23. Rfd1 R8e7 24. Rd6 Be8 25. Ne2 c5 26. a3 b4
27. Rd8 Rd7 28. Rxd7 Bxd7 29. axb4 axb4 30. Nf4 Bb5 31. h4 gxh3 32. Nxh3 c4 33.
Nf4 Kf7 34. Kf1 g5 35. Ne2 Rc5 36. Ke1 h5 37. Nd4 Ba6 38. f3 Bb7 39. Nc2 c3 40.
bxc3 bxc3 41. Nd4 Ba6 42. Ne2 c2 43. Nd4 Rc3 44. e4 g4 45. Rxc2 Rxc2 46. Nxc2
Kf6 47. Kf2 Kg5 48. g3 gxf3 49. Kxf3 h4 50. gxh4+ Kxh4 51. Kf4 Bd3 52. Ne3 Bxe4
1/2-1/2

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van der Marel, Lambertus"]
[Black "Van de Plassche, Erik"]
[Result "1-0"]
[WhiteElo "2025"]
[BlackElo "2068"]
[PlyCount "111"]
[EventDate "2024.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Bd3
dxc4 9. Bxc4 Bb7 10. O-O Nbd7 11. Qe2 Nd5 12. Bxe7 Nxe7 13. Rfd1 Kh8 14. Rac1
Ng6 15. Bd3 Nh4 16. Ne1 c5 17. Bb5 Qe7 18. dxc5 Nxc5 19. b4 Ne4 20. Rd7 Qf6 21.
Nxe4 Bxe4 22. Rd4 Bxg2 23. Rxh4 Qxh4 24. Nxg2 Qxb4 25. Bd3 Rac8 26. Rb1 Qc5 27.
h3 Qe5 28. Ne1 Rfd8 29. Nf3 Qf6 30. Be4 Rc5 31. Rd1 Rxd1+ 32. Qxd1 Qe7 33. Kg2
f5 34. Bc2 g5 35. Nd4 Qf6 36. Bb3 e5 37. Ne6 Rc8 38. Qd7 Rg8 39. Kf1 g4 40. Nc7
Rg7 41. Qc8+ Kh7 42. hxg4 Rxg4 43. Be6 Rg5 44. Qd7+ Kh8 45. Nd5 Qf8 46. Qxa7 f4
47. Qxb6 f3 48. Qc7 Qg7 49. Qxg7+ Rxg7 50. e4 Rb7 51. Kg1 Rb1+ 52. Kh2 Rb2 53.
Kg3 Rxa2 54. Kxf3 Kg7 55. Ne3 h5 56. Bxa2 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Zeven, Frank"]
[Black "Van de Poel, Jona"]
[Result "1-0"]
[WhiteElo "1962"]
[BlackElo "1941"]
[PlyCount "163"]
[EventDate "2024.??.??"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c3 Be7 5. e3 d5 6. d4 O-O 7. Bxf6 Bxf6 8.
Bd3 c5 9. Nd2 Nc6 10. Ne2 Bg4 11. Qb1 Bxe2 12. Kxe2 Qe7 13. Kf1 h6 14. Nf3 cxd4
15. cxd4 Rac8 16. a3 Na5 17. Qb5 Qd8 18. Ke2 a6 19. Qb2 Qd7 20. Rhc1 b5 21. a4
Nc4 22. Qb3 Rb8 23. axb5 axb5 24. h3 Ra8 25. Rcb1 Ra4 26. Rxa4 bxa4 27. Qb5
Qxb5 28. Rxb5 a3 29. Bxc4 dxc4 30. Ra5 Be7 31. Ne5 Rc8 32. Kd1 f6 33. Nd7 Kf7
34. Kc2 Ke6 35. Nb6 Rc7 36. Ra4 g5 37. f3 Rb7 38. Nxc4 Rc7 39. e4 Rc8 40. d5+
Kd7 41. Ra7+ Kd8 42. Kd3 Bc5 43. Ra6 Rb8 44. Kc2 Rb4 45. Nxa3 Rb6 46. Rxb6 Bxb6
47. Nc4 Bg1 48. Kb3 Kc7 49. Kb4 Bf2 50. Kb5 Bg1 51. Nb2 Kd6 52. Nd3 Bh2 53. Kb6
Kd7 54. g4 Bg1+ 55. Kb7 Be3 56. Nb4 Bg1 57. Nc6 Bf2 58. Nb8+ Kd6 59. Kc8 Ba7
60. Nd7 Ke7 61. Kc7 Bd4 62. d6+ Ke8 63. Nb8 Be5 64. Nc6 Bf4 65. Nd4 Kf7 66. Kd7
Be5 67. Nf5 Kg6 68. Ke7 h5 69. d7 hxg4 70. hxg4 Bc7 71. d8=Q Bxd8+ 72. Kxd8 Kf7
73. Kd7 Kg6 74. Ke7 Kh7 75. Kxf6 Kg8 76. e5 Kf8 77. e6 Kg8 78. e7 Kh7 79. Kxg5
Kg8 80. e8=Q+ Kh7 81. Qf7+ Kh8 82. Qg7# 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Valstar, Jasper"]
[Black "De Leede, Tjeerd"]
[Result "1/2-1/2"]
[WhiteElo "1883"]
[BlackElo "1893"]
[PlyCount "52"]
[EventDate "2024.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 Be7 5. g3 b5 6. Bg2 b4 7. O-O dxe4 8. Ne5
O-O 9. dxe4 Ba6 10. Nd3 c5 11. Rd1 Nc6 12. Be3 Qc7 13. Qf3 Bxd3 14. cxd3 Ne5
15. Qe2 c4 16. Bf4 cxd3 17. Rxd3 Bd6 18. Rd2 Rac8 19. a3 Rfd8 20. axb4 Bxb4 21.
Rxd8+ Rxd8 22. Nc3 Bxc3 23. bxc3 Qxc3 24. Bxe5 Qxe5 25. Rxa7 Qd4 26. Rb7 g6
1/2-1/2

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van 't Hof, Eric"]
[Black "Andringa, Arjo"]
[Result "1/2-1/2"]
[WhiteElo "2038"]
[BlackElo "2026"]
[PlyCount "189"]
[EventDate "2024.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 a6 8. a4
Bg7 9. e3 O-O 10. Bd3 Nh5 11. Bg5 f6 12. Bh4 Bg4 13. Qb3 Bxf3 14. gxf3 b6 15.
f4 Nd7 16. Be2 Qe8 17. Qd1 f5 18. Bxh5 gxh5 19. Rg1 Nf6 20. Bxf6 Rxf6 21. Rg5
h6 22. Rg1 Rg6 23. Kd2 Rxg1 24. Qxg1 Qf7 25. Qg2 Kh7 26. Kc2 Rg8 27. Rg1 b5 28.
axb5 axb5 29. Nxb5 Qf6 30. Nc3 Rb8 31. Kc1 Qf7 32. Nd1 Rb4 33. f3 Rc4+ 34. Kb1
Rb4 35. h3 c4 36. Qc2 Qxd5 37. Rxg7+ Kxg7 38. Qc3+ Kg6 39. Qxb4 Qxd1+ 40. Ka2
Qd5 41. Qc3 Qa8+ 42. Qa3 Qc6 43. Qc3 d5 44. Qd4 h4 45. Kb1 Qe6 46. Kc1 Kh5 47.
Qe5 Qf7 48. e4 dxe4 49. fxe4 Kg6 50. Qd6+ Kh7 51. e5 Qa7 52. Kb1 Qa1+ 53. Kc2
Qa7 54. Qa3 Qb6 55. Qa4 Qe6 56. Kb1 Qd5 57. Qa7+ Kg6 58. Qg1+ Kf7 59. Qe1 Ke6
60. Qe3 Qd1+ 61. Ka2 Qa4+ 62. Qa3 Qc6 63. Qa5 Kf7 64. Qa7+ Ke6 65. Qa5 Ke7 66.
Qb4+ Ke6 67. Qd2 Qa8+ 68. Kb1 Qe4+ 69. Kc1 Qc6 70. Qd8 Kf7 71. Qxh4 c3 72. b3
Qd7 73. Qh5+ Kg8 74. Qg6+ Kh8 75. Qxh6+ Kg8 76. Qg6+ Kh8 77. Qf6+ Kh7 78. Qd6
Qb7 79. Kc2 Qe4+ 80. Kxc3 Qxf4 81. Qd7+ Kg6 82. e6 Qc1+ 83. Kb4 Qe1+ 84. Kb5
Qe5+ 85. Kb6 Qe3+ 86. Kc7 Qa7+ 87. Kd8 Qb8+ 88. Qc8 Qd6+ 89. Ke8 Kf6 90. Qc3+
Kxe6 91. Qe3+ Qe5 92. Qh6+ Qf6 93. Qe3+ Qe5 94. Qh6+ Qf6 95. Qe3+ 1/2-1/2

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van der Knaap, Jan"]
[Black "Vijver, Jonathan"]
[Result "1-0"]
[WhiteElo "1903"]
[BlackElo "1876"]
[PlyCount "103"]
[EventDate "2024.??.??"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 d5 6. e5 Nc6 7. O-O Nge7 8. Na3
Ng6 9. Nc2 Be7 10. Re1 Rc8 11. g3 c4 12. Bf1 O-O 13. h4 h6 14. h5 Nh8 15. Bh3
b5 16. Ne3 Bg5 17. Nxg5 hxg5 18. Qg4 f5 19. exf6 Rxf6 20. Qxg5 Nf7 21. Qh4 Qd6
22. Ng4 Rf3 23. h6 Rf8 24. hxg7 Kxg7 25. Bh6+ Nxh6 26. Qxh6+ Kg8 27. Qg6+ Kh8
28. Ne5 R3f6 29. Qh5+ Kg7 30. Nxc6 Bxc6 31. Re5 Rh6 32. Rg5+ Kh7 33. Qg4 Qe7
34. Re1 Qf7 35. f4 Bd7 36. Ree5 Qf6 37. Rh5 Rg8 38. Reg5 Rgg6 39. Rxg6 Qxg6 40.
Qxg6+ Kxg6 41. Rxh6+ Kxh6 42. Kf2 a5 43. a3 Kg6 44. Kf3 Kf6 45. g4 Be8 46. Kg3
Kg6 47. Kh4 Bd7 48. g5 Bc8 49. Bg4 Bd7 50. Bd1 Kf5 51. Kg3 Bc8 52. Bc2# 1-0

[Event "PK LeisB 2024 groep A"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Veldhuyzen, Ywein"]
[Black "Hensbergen, Willem"]
[Result "1-0"]
[WhiteElo "1941"]
[BlackElo "1946"]
[PlyCount "45"]
[EventDate "2024.??.??"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 h5 7. Be2 Bb7 8. Bf3 Nd7
9. Nh3 Nb6 10. O-O-O Nc4 11. Qe1 Nxe3 12. Qxe3 Bh6 13. Nf4 c5 14. e5 Bxf3 15.
Qxf3 Rc8 16. Kb1 b4 17. Ne4 cxd4 18. exd6 e5 19. Nd3 Bg7 20. Ng5 Nh6 21. Qd5 f6
22. Ne6 Qd7 23. Nec5 1-0

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Rudman, Lev"]
[Black "Teianu, Maxim"]
[Result "0-1"]
[WhiteElo "1750"]
[BlackElo "1835"]
[PlyCount "77"]
[EventDate "2024.??.??"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e3 f5 5. a3 Nf6 6. Nf3 Be7 7. b4 O-O 8. c5 Nd5
9. Bd2 a5 10. bxa5 bxc5 11. Qb3 Bc6 12. Bc4 Nxc3 13. Bxc3 d5 14. Bb5 Qe8 15. a4
c4 16. Qb2 Bd7 17. Bxd7 Nxd7 18. Qb5 Nf6 19. Ng5 Bd6 20. Kd2 h6 21. Nh3 Ne4+
22. Kc2 Nxc3 23. Kxc3 c6 24. Qb6 Rb8 25. Qa6 Rb3+ 26. Kc2 Qa8 27. Qxa8 Rxa8 28.
Rhb1 Rxb1 29. Rxb1 Rxa5 30. Rb6 Kf7 31. Rxc6 Be7 32. Nf4 Rxa4 33. Rxe6 g5 34.
Re5 gxf4 35. Rxf5+ Ke6 36. Rxf4 Ra2+ 37. Kb1 Re2 38. Rh4 Bxh4 39. Ka1 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Wagemans, Ed"]
[Black "Schenkelaars, Vincent"]
[Result "1-0"]
[WhiteElo "1861"]
[BlackElo "1865"]
[PlyCount "63"]
[EventDate "2024.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bg5 Qa5 5. Bxf6 gxf6 6. Qd2 h5 7. f4 Nd7 8.
O-O-O f5 9. Kb1 a6 10. exf5 Nf6 11. Bd3 Bg7 12. Nf3 b5 13. Rhe1 Qc7 14. Ng5 c5
15. dxc5 dxc5 16. Nd5 Nxd5 17. Bxb5+ axb5 18. Qxd5 O-O 19. Qxa8 Bb7 20. Qa3
Qxf4 21. Qg3 Qb4 22. c3 Qa4 23. Qc7 Bc8 24. Qxc5 Qf4 25. Qe3 Bxf5+ 26. Ka1 Qc7
27. Qxe7 Qxe7 28. Rxe7 Bf6 29. Rb7 Bc2 30. Rc1 Bxg5 31. Rxc2 Re8 32. a3 1-0

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Los, Evan"]
[Black "Van Amsterdam, Jan"]
[Result "0-1"]
[WhiteElo "1833"]
[BlackElo "1808"]
[PlyCount "78"]
[EventDate "2024.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Nb3 cxd4 8.
cxd4 f6 9. Bb5 a6 10. Bxc6 bxc6 11. Bf4 Bb4+ 12. Kf1 a5 13. Rc1 Ba6+ 14. Kg1
Rc8 15. exf6 Nxf6 16. a3 Bd6 17. Bxd6 Qxd6 18. Nxa5 O-O 19. b4 Ne4 20. Rc2 Rf6
21. h4 Bb5 22. Rc1 Rcf8 23. Rh3 Qf4 24. h5 Be2 25. Qe1 Bxf3 26. Rxf3 Qg5 27.
Rxf6 Rxf6 28. f3 Ng3 29. Rxc6 Qh4 30. Rc8+ Kf7 31. Qe5 Qh1+ 32. Kf2 Ne4+ 33.
Qxe4 dxe4 34. Nc6 Qxh5 35. Ne5+ Ke7 36. Nc6+ Kd7 37. Na7 exf3 38. g3 Qh2+ 39.
Ke3 Qe2# 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Koelmans, Jan Willem"]
[Black "Scherpenisse, Kees"]
[Result "1/2-1/2"]
[WhiteElo "1897"]
[BlackElo "1907"]
[PlyCount "46"]
[EventDate "2024.??.??"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O Ne4 6. c4 d6 7. Nbd2 Nxd2 8.
Bxd2 O-O 9. Qc2 Nc6 10. Bc3 Bf6 11. e3 Qe7 12. b4 e5 13. b5 Nd8 14. dxe5 dxe5
15. Qb2 Re8 16. Nd2 Nf7 17. Rfd1 Rb8 18. Rab1 e4 19. Nb3 Ne5 20. Bxe5 Bxe5 21.
Qe2 Be6 22. Nd4 g6 23. Nxe6 Qxe6 1/2-1/2

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Moeri, Erick"]
[Black "Vergeer, Michiel"]
[Result "0-1"]
[WhiteElo "1719"]
[BlackElo "1779"]
[Annotator "van,Jan"]
[PlyCount "94"]
[EventDate "2024.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. a3 d6 5. d3 h6 6. c3 Nf6 7. Be3 Bxe3 8. fxe3
O-O 9. O-O Qe7 10. Qb3 Na5 11. Qa4 Nxc4 12. Qxc4 Be6 13. Qa4 Ng4 14. Re1 c5 15.
c4 Bd7 16. Qb3 Bc6 17. Nc3 Nf6 18. Re2 b6 19. Rf1 Rab8 20. Nh4 g6 21. Nf3 Kg7
22. Nd5 Bxd5 23. cxd5 b5 24. Nd2 Nd7 25. Ref2 a6 26. Qc2 f6 27. Nb3 Rbc8 28.
Na5 Nb8 29. Qd2 Qc7 30. Rf3 Rf7 31. b3 Rcf8 32. d4 cxd4 33. exd4 exd4 34. Rc1
Qb6 35. Nc6 Rc8 36. Qf4 Nxc6 37. Qxd6 d3+ 38. Kf1 Qd4 39. Qc5 Qxc5 40. Rxc5 Na7
41. b4 Rfc7 42. d6 Rxc5 43. bxc5 Rxc5 44. Rxd3 Nc6 45. Ke2 Kf7 46. d7 Nd8 47.
Kf3 Rc7 {notatie onduidelijk.} 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Sieber, Gunnar"]
[Black "Van Elewout, Kaya"]
[Result "1-0"]
[WhiteElo "1892"]
[PlyCount "79"]
[EventDate "2024.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 dxc3 6. Bxf7+ Kxf7 7. Qd5+ Ke8
8. Qh5+ g6 9. Qxc5 Qe7 10. Qxc3 Nf6 11. O-O d6 12. Bg5 Rf8 13. Nbd2 Bg4 14. Bh6
Rh8 15. e5 Nd5 16. exd6 Nxc3 17. dxe7 Bxf3 18. Nxf3 Nd5 19. Rfe1 Ncxe7 20. Rad1
Kd7 21. Ne5+ Kc8 22. Nf7 Rg8 23. Bg5 Rf8 24. Bxe7 Nxe7 25. Rxe7 b6 26. Rdd7 Kb7
27. Rxc7+ Ka6 28. a4 Rfc8 29. b4 Rxc7 30. Rxc7 Re8 31. b5+ Ka5 32. Rxa7+ Kb4
33. g3 Re1+ 34. Kg2 Ra1 35. a5 Rxa5 36. Rxa5 Kxa5 37. Nd6 Kb4 38. Kf3 Kc5 39.
Nc8 Kxb5 40. Kf4 1-0

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van Dijk, Bob"]
[Black "Molenkamp, Jan Bertus"]
[Result "1/2-1/2"]
[WhiteElo "1798"]
[BlackElo "1860"]
[PlyCount "115"]
[EventDate "2024.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. cxd5 exd5 7. O-O Bd6 8. Nc3
Nbd7 9. Nb5 Nf8 10. Nxd6+ Qxd6 11. Bf4 Qd8 12. Rc1 Ne6 13. Be5 O-O 14. Bh3 c6
15. Bxe6 fxe6 16. Ng5 Qd7 17. Qd3 Rad8 18. b4 g6 19. h3 Ne4 20. Nxe4 dxe4 21.
Qe3 Rf7 22. b5 Rc8 23. bxc6 Bxc6 24. Rc3 Bb7 25. Rxc8+ Qxc8 26. Rc1 Qd8 27. Rc3
Qd5 28. a3 Qb5 29. h4 Qb2 30. Rc7 Rxc7 31. Bxc7 Qb5 32. Be5 Qe8 33. h5 Qe7 34.
hxg6 hxg6 35. Qh6 Qh7 36. Qg5 Qf7 37. Qd8+ Qf8 38. Qh4 Bd5 39. Qh8+ Kf7 40.
Qh7+ Ke8 41. Qxg6+ Qf7 42. Qh6 Qf8 43. Qc1 Qe7 44. Qc8+ Qd8 45. Qc3 Qd7 46. e3
Qc6 47. Qxc6+ Bxc6 48. Kg2 b5 49. g4 a5 50. Bd6 Kf7 51. Kg3 Kf6 52. Kf4 Bd5 53.
g5+ Kf7 54. Ke5 Kg6 55. Be7 Kf7 56. Bd8 b4 57. axb4 axb4 58. Ba5 1/2-1/2

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Brienen, Simon"]
[Black "Bregman, Koen"]
[Result "0-1"]
[WhiteElo "1724"]
[BlackElo "1796"]
[PlyCount "58"]
[EventDate "2024.??.??"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. Nf3 d6 6. Nd5 O-O 7. Nxe7+ Qxe7 8.
Bg5 Be6 9. Nh4 Na5 10. b3 Nxc4 11. bxc4 h6 12. Bxf6 Qxf6 13. Qh5 c6 14. Rf1 d5
15. cxd5 cxd5 16. f3 Rac8 17. exd5 Bxd5 18. c4 e4 19. Rc1 Qb2 20. Rd1 exd3 21.
Rf2 Rfe8+ 22. Kf1 Re2 23. Qxd5 Rxf2+ 24. Kg1 Rd2 25. Rf1 Qb6+ 26. Kh1 Rd8 27.
Qe4 Re2 28. Qg4 d2 29. Nf5 Qf6 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van Efferen, Yannick"]
[Black "Branco, Moritz"]
[Result "0-1"]
[WhiteElo "1915"]
[BlackElo "1701"]
[PlyCount "108"]
[EventDate "2024.??.??"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. exf6 Nxf6 7. Bb5+ c6 8.
Ba4 Bc5 9. Qg3 O-O 10. Nge2 Qe7 11. d3 Bg4 12. Bg5 Qe6 13. O-O-O Nbd7 14. Qc7
b5 15. Bb3 b4 16. Na4 Qxe2 17. Bxf6 Be3+ 18. Kb1 Nxf6 19. h3 Bd7 20. d4 Qh5 21.
g4 Qf7 22. Nc5 Bg5 23. Rdf1 Rfd8 24. Qe5 Bh4 25. g5 Re8 26. Qf4 Bxg5 27. Qxg5
Bc8 28. Rhg1 Kh8 29. Nd3 Qc7 30. Ne5 Rf8 31. h4 a5 32. Ba4 Ba6 33. Re1 Ne4 34.
Qh5 Nf6 35. Ng6+ Kg8 36. Ne7+ Kh8 37. Qg5 Rf7 38. Nxc6 Ne4 39. Qxd5 Nd2+ 40.
Ka1 Raf8 41. Ne5 Rf5 42. Qd7 Qxd7 43. Bxd7 Rf2 44. Bc6 Nc4 45. Nd3 Rxc2 46. Re7
g6 47. Kb1 Rd2 48. h5 Nd6 49. hxg6 Bxd3+ 50. Ka1 Bxg6 51. Re5 Rdf2 52. b3 Rf1+
53. Rxf1 Rxf1+ 54. Kb2 Rb1# 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Muilwijk, Marco"]
[Black "Tidestav, Gabriel"]
[Result "1/2-1/2"]
[WhiteElo "1878"]
[PlyCount "85"]
[EventDate "2024.??.??"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. c4 Bg7 5. g3 d5 6. c5 O-O 7. Bg2 Re8 8. e3
b6 9. Nc3 c6 10. b4 bxc5 11. bxc5 Nd7 12. Nge2 f5 13. O-O Ba6 14. Qa4 Qc8 15.
Rab1 Nf6 16. Rfe1 Ne4 17. Nxe4 fxe4 18. Nc1 Bb5 19. Qc2 Qa6 20. Bf1 Rab8 21.
Bxb5 Rxb5 22. Rxb5 Qxb5 23. Qb3 Rb8 24. Qxb5 Rxb5 25. Nb3 Bf6 26. Rb1 Bd8 27.
Nd2 Rxb1+ 28. Nxb1 Ba5 29. Na3 Bc3 30. Nc2 f5 31. Kf1 g5 32. h3 Kf7 33. Ke2 Ke6
34. f4 exf3+ 35. Kxf3 h5 36. h4 Kf6 37. hxg5+ Kxg5 38. a3 a6 39. Nb4 Bxb4 40.
axb4 Kg6 41. Kf2 Kg5 42. Kf3 Kg6 43. Kf2 1/2-1/2

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Beentjes, Douwe"]
[Black "Groenendijk, Simon"]
[Result "0-1"]
[WhiteElo "1721"]
[BlackElo "1693"]
[Annotator "van,Jan"]
[PlyCount "42"]
[EventDate "2024.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Nf3 Bd6 8. O-O
O-O 9. Re1 Qc7 10. Qe2 Re8 11. Ne5 Nd7 12. Bf4 Ncxe5 13. dxe5 Bc5 14. Nd2 Nf8
15. Nf1 Bd7 16. Qf3 b5 17. Ng3 Bc6 18. Nh5 Ng6 19. Bg5 Rad8 20. Nf6+ gxf6 21.
exf6 Bd6 {notatie onduidelijk.} 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Feldmeijer, Reitze"]
[Black "Groenendijk, Patrick"]
[Result "0-1"]
[BlackElo "1819"]
[PlyCount "36"]
[EventDate "2024.??.??"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 g6 7. dxc5 Qxc5 8.
Nbd2 Bf5 9. Qb3 Bg7 10. Be2 O-O 11. Nd4 e5 12. Nxf5 exf4 13. Nd4 fxe3 14. fxe3
Rfe8 15. O-O-O Rxe3 16. N2f3 Nxd4 17. Nxd4 Ne4 18. Rhe1 Nxc3 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Been, Klaas"]
[Black "Varela, César"]
[Result "0-1"]
[WhiteElo "1691"]
[BlackElo "1754"]
[PlyCount "66"]
[EventDate "2024.??.??"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Bd6 6. Nbd2 O-O 7. O-O Nc6 8. Re1
e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. h3 Bc7 12. Nf3 h6 13. Qc2 Qd6 14. e4 dxe4 15.
Bxe4 Nxe4 16. Qxe4 Rb8 17. Be3 b6 18. Rad1 Qf6 19. Nh2 Bb7 20. Qc2 Rfe8 21. Ng4
Qc6 22. f3 h5 23. Nf2 Bg3 24. Re2 Qe6 25. c4 f5 26. Rde1 Qf6 27. Rd1 f4 28. Bc1
Rbd8 29. Rxe8+ Rxe8 30. b3 Qe5 31. Bd2 Qe2 32. Nd3 Bxf3 33. gxf3 Qh2+ 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Lammers van Toorenburg, Ev"]
[Black "Cools, Frank"]
[Result "1-0"]
[WhiteElo "1216"]
[BlackElo "1723"]
[Annotator "van,Jan"]
[PlyCount "87"]
[EventDate "2024.??.??"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. e3 Nbd7 5. Nf3 c6 6. Be2 Be7 7. O-O O-O 8. Qc2
dxc4 9. Bxc4 b6 10. e4 Re8 11. h3 Bb7 12. e5 Nd5 13. Nxd5 cxd5 14. Bd3 Nf8 15.
Bb5 Rc8 16. Qa4 a6 17. Bxe8 Qxe8 18. Qxe8 Rxe8 19. Bg5 f6 20. exf6 gxf6 21. Bf4
Bd8 22. Rac1 Re7 23. Bd6 Rd7 24. Bb8 Kf7 25. g4 h6 26. h4 Nh7 27. g5 hxg5 28.
hxg5 Nxg5 29. Nxg5+ fxg5 30. Be5 Kg6 31. f4 g4 32. Rc2 Rh7 33. Rff2 a5 34. Rh2
Rxh2 35. Rxh2 Ba6 36. Rh8 Be7 37. Rb8 Bd3 38. Rxb6 Bf5 39. Kg2 Bb4 40. Rb7 Be4+
41. Kf2 Bf3 42. Rg7+ Kf5 43. Rf7+ Ke4 44. Re7 {notatie onduidelijk.} 1-0

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Engelen, Niels"]
[Black "Van Vleuten, Ronald"]
[Result "1/2-1/2"]
[WhiteElo "1746"]
[BlackElo "1797"]
[Annotator "van,Jan"]
[PlyCount "65"]
[EventDate "2024.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. d4 a6 6. a4 b6 7. Nf3 Bb7 8. O-O
e6 9. Ne5 Be7 10. Bf4 O-O 11. Qd3 Nd5 12. Bg3 Nxc3 13. Qxc3 Bd5 14. Rad1 Bxc4
15. Qxc4 Bd6 16. Rfe1 Qg5 17. d5 exd5 18. Qxd5 Ra7 19. h4 Qf5 20. Qc4 a5 21.
Nc6 Nxc6 22. Bxd6 cxd6 23. Qxc6 Qc5 24. Qe4 Rd7 25. Rd5 Qc7 26. c3 h6 27. g3
Rfd8 28. Red1 Qc8 29. Qd4 Kf8 30. Re1 Rc7 31. Rb5 Rb7 32. c4 Rc7 33. b3 {
onduidelijke notatie.} 1/2-1/2

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "El Idrissi, Abdelkoddous"]
[Black "Van den Berg, Dick"]
[Result "0-1"]
[BlackElo "1805"]
[PlyCount "81"]
[EventDate "2024.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Be2 Nf6 4. e5 Ng4 5. d4 cxd4 6. Nxd4 Ngxe5 7. Nc3 d6 8.
O-O g6 9. Nxc6 bxc6 10. Bf4 Bg7 11. Ne4 O-O 12. c3 Qb6 13. Qb3 Be6 14. Qxb6
axb6 15. a4 Bb3 16. Be3 c5 17. Bb5 Bc4 18. Bxc4 Nxc4 19. Bc1 d5 20. Nd2 Nd6 21.
Nf3 b5 22. a5 Ra6 23. Ra2 b4 24. Bd2 Nc4 25. cxb4 Nxd2 26. b5 Nxf3+ 27. gxf3
Raa8 28. Rd1 e6 29. Rc1 c4 30. a6 Rfb8 31. Ra5 Bxb2 32. Rc2 c3 33. Re2 d4 34.
Kf1 d3 35. Re3 d2 36. Ke2 c2 37. Kxd2 c1=Q+ 38. Ke2 Qc4+ 39. Ke1 Bc3+ 40. Kd1
Rd8+ 41. Kc2 0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Moeri, Casper"]
[Black "Margaryan, Aren"]
[Result "1/2-1/2"]
[WhiteElo "1633"]
[BlackElo "1713"]
[PlyCount "43"]
[EventDate "2024.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Nc3 e4
8. Ng1 Bf5 9. Nh3 d4 10. Ne2 d3 11. Nef4 Nd4 12. cxd3 exd3 13. O-O Bd6 14. Qa4
Be5 15. Qc4+ Ne6 16. Re1 Qd4 17. Ng5+ Kf6 18. Ne4+ Kf7 19. Ng5+ Kf6 20. Ne4+
Kf7 21. Ng5+ Kf6 22. Ne4+ 1/2-1/2

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Van Gunsteren, Lex"]
[Black "Vlieland, Theo"]
[Result "0-1"]
[WhiteElo "1631"]
[BlackElo "1734"]
[PlyCount "76"]
[EventDate "2024.??.??"]

1. Nf3 d5 2. e3 Bf5 3. c4 e6 4. cxd5 exd5 5. Nc3 Nf6 6. Nd4 Bg6 7. a3 c6 8. b4
Bd6 9. Bb2 O-O 10. Be2 Nbd7 11. h4 h6 12. f4 Ne4 13. Nxe4 Bxe4 14. Nf3 Re8 15.
Qb3 Qe7 16. Bd4 Bxf3 17. Bxf3 Bxf4 18. O-O-O Be5 19. Qd3 a5 20. b5 cxb5 21.
Bxd5 Bxd4 22. exd4 Nb6 23. Qxb5 Nxd5 24. Qxd5 Qxa3+ 25. Kb1 Rac8 26. Rh3 Qb4+
27. Ka1 Qa4+ 28. Kb2 Qxd1 29. Rf3 Qc1+ 30. Ka2 Qc4+ 31. Qxc4 Rxc4 32. Rd3 b5
33. d5 Rc7 34. d6 Rd7 35. Rd5 Red8 36. Rxb5 Rxd6 37. Rxa5 Rxd2+ 38. Kb3 Rxg2
0-1

[Event "PK LeisB 2024 groep B"]
[Site "Leiden, Netherlands"]
[Date "2024.06.17"]
[Round "4"]
[White "Bingen, Stanley"]
[Black "Scheele, Peter"]
[Result "0-1"]
[WhiteElo "1546"]
[BlackElo "1561"]
[Annotator "van,Jan"]
[PlyCount "46"]
[EventDate "2024.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. Be3 Bg7 7. Be2 O-O 8. O-O
Nc6 9. Nc3 a6 10. Rc1 Be6 11. Qd2 Qa5 12. Rcd1 Rad8 13. a3 Nxd4 14. Bxd4 d5 15.
e5 Nd7 16. Qe3 Nxe5 17. Bb6 d4 18. Rxd4 Qxb6 19. Re4 Rd6 20. Qxb6 Rxb6 21. Na4
Rc6 22. b4 Bf5 23. Re3 Rxc2 {notatie onduidelijk} 0-1



