[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Vijver, Jonathan"]
[Black "Passenier, Peter"]
[Result "1/2-1/2"]
[WhiteElo "1824"]
[BlackElo "2170"]
[PlyCount "22"]
[EventDate "2023.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 d6 6. Qxd4 e6 7. Bb5+ Bd7 8.
Bxd7+ Qxd7 9. O-O Nc6 10. Qe4 dxe5 11. Nxe5 Nxe5 1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van der Knaap, Jan"]
[Black "Margaryan, Artur"]
[Result "1/2-1/2"]
[WhiteElo "1890"]
[BlackElo "2074"]
[PlyCount "130"]
[EventDate "2023.??.??"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 a6 7. Nc2 cxd4 8.
Qxd4 Nc6 9. Qxd5 Nxd5 10. Ne3 Nb6 11. a4 a5 12. Bb5 Bd7 13. O-O Bc5 14. Re1 O-O
15. Nc2 Nd5 16. Be3 Nxe3 17. Nxe3 Rfd8 18. Rad1 Be8 19. Nc4 b6 20. Ng5 Rab8 21.
Ne4 Kf8 22. Nxc5 bxc5 23. Nd6 Bd7 24. Rd2 Na7 25. Nxf7 Kxf7 26. Rxd7+ Rxd7 27.
Bxd7 Rb6 28. c4 Rd6 29. Bb5 Rd2 30. g3 Kf6 31. b3 Nc8 32. Kg2 Ne7 33. Ba6 Nf5
34. Bc8 Nd4 35. Re3 Rb2 36. Bd7 Ke7 37. Bb5 Kd6 38. h4 Rxb3 39. Rxb3 Nxb3 40.
Kf3 Nd4+ 41. Ke4 Nc2 42. h5 h6 43. f4 Nd4 44. g4 Ke7 45. Ba6 Kf6 46. Bb5 Nb3
47. Ba6 Nd2+ 48. Ke3 Nb3 49. Ke4 Nd4 50. Bb5 Ke7 51. Ba6 Kd6 52. Bb5 Nb3 53.
Ba6 Nd2+ 54. Ke3 Nf1+ 55. Kf2 Nh2 56. Kg3 Nf1+ 57. Kf2 Nd2 58. Ke3 Nb1 59. Kd3
e5 60. fxe5+ Kxe5 61. Kc2 Kf4 62. Bc8 Na3+ 63. Kb3 Nb1 64. Kc2 Na3+ 65. Kb3 Nb1
1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van der Marel, Lambertus"]
[Black "Van Drunick, Jan-Willem"]
[Result "1/2-1/2"]
[WhiteElo "2087"]
[BlackElo "1933"]
[PlyCount "46"]
[EventDate "2023.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
Nbd7 9. Qe2 O-O 10. e4 Bg6 11. Bg5 Be7 12. e5 Nd5 13. Bxe7 Nxc3 14. bxc3 Qxe7
15. Nd2 c5 16. Ne4 cxd4 17. cxd4 Nb6 18. Nd6 Nc8 19. Ne4 Rd8 20. Rfd1 Nb6 21.
Nd6 Nc8 22. Ne4 Nb6 23. Nd6 Nc8 1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Zeven, Frank"]
[Black "Van Efferen, Yannick"]
[Result "1/2-1/2"]
[WhiteElo "1929"]
[BlackElo "1860"]
[PlyCount "87"]
[EventDate "2023.??.??"]

1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. e3 O-O 5. Nf3 b6 6. Be2 Na6 7. a3 c5 8. b5 Nc7
9. d3 d5 10. Qc2 Bb7 11. Nbd2 h5 12. a4 Re8 13. h3 Ne6 14. Rg1 a6 15. g4 axb5
16. axb5 Rxa1+ 17. Bxa1 hxg4 18. hxg4 d4 19. Bb2 Qd6 20. Nb3 Nd7 21. exd4 Nxd4
22. Bxd4 cxd4 23. Kf1 Qf4 24. Qd2 Qxd2 25. Nfxd2 e5 26. Bf3 Bxf3 27. Nxf3 e4
28. dxe4 Rxe4 29. Nfd2 Rf4 30. Ke2 Bf8 31. f3 Ne5 32. Ra1 g5 33. Ra8 Kg7 34.
Rd8 d3+ 35. Ke3 Nxc4+ 36. Nxc4 Rxc4 37. Kxd3 Rb4 38. Nd4 Bc5 39. Nf5+ Kf6 40.
Ng3 Ke7 41. Rg8 f6 42. Ne4 Rb3+ 43. Kc4 Rb4+ 44. Kd5 1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van der Scheer, Henk"]
[Black "Timmermans, Raymond"]
[Result "1/2-1/2"]
[WhiteElo "1908"]
[BlackElo "1974"]
[PlyCount "71"]
[EventDate "2023.??.??"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Be2 e6 5. Nbd2 c5 6. dxc5 Bxc5 7. a3 O-O 8. b4
Bd6 9. Bb2 h6 10. c4 dxc4 11. Nxc4 Be7 12. O-O Na6 13. Nd4 Bg6 14. Ne5 Bh7 15.
Bxa6 bxa6 16. Ndc6 Qc7 17. Nxe7+ Qxe7 18. Qa4 Qb7 19. Rfd1 Rfd8 20. Qc6 Be4 21.
Qxb7 Bxb7 22. Nd3 Nd7 23. Bd4 Be4 24. Rac1 Bxd3 25. Rxd3 Rac8 26. Rxc8 Rxc8 27.
Rc3 Rxc3 28. Bxc3 Kf8 29. Kf1 g6 30. Ke2 Ke7 31. Bd4 Nb6 32. Kd3 Kd6 33. e4 Kc6
34. Kc3 Kb5 35. Kb3 a5 36. bxa5 1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Andringa, Arjo"]
[Black "Van der Bent, Gideon"]
[Result "1-0"]
[WhiteElo "2014"]
[BlackElo "1961"]
[PlyCount "149"]
[EventDate "2023.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 Nc6 8.
Nxc6 bxc6 9. e5 Nd5 10. a3 Bb7 11. c4 Nb6 12. Nc3 d6 13. Bf4 Nd7 14. exd6 Bxd6
15. Bxd6 Qxd6 16. Rad1 Qe7 17. Ne4 c5 18. Rd2 Rc8 19. Rfd1 Bxe4 20. Bxe4 Nb8
21. Rd6 O-O 22. Qd3 g6 23. g3 Qf6 24. Rd2 a5 25. h4 Kg7 26. Kg2 h5 27. Bf3 Rg8
28. Qe3 Rc7 29. b3 Rgc8 30. R2d3 Ra7 31. R3d5 Rac7 32. Rg5 Kf8 33. g4 hxg4 34.
Bxg4 Rc6 35. Rd3 Rd8 36. Rxd8+ Qxd8 37. h5 gxh5 38. Rxh5 Qf6 39. Rxc5 Rxc5 40.
Qxc5+ Kg7 41. Qxa5 Nd7 42. Qh5 Ne5 43. Be2 Ng6 44. Qg4 Kf8 45. c5 Ne5 46. Qg3
Qf5 47. c6 Nxc6 48. Qd6+ Ne7 49. Qd8+ Kg7 50. Qxe7 Qg6+ 51. Kh3 Qf5+ 52. Bg4
Qxf2 53. Qg5+ Kf8 54. Qh4 Qg1 55. Qd8+ Kg7 56. Qg5+ Kf8 57. Qf4 Qh1+ 58. Kg3
Qg1+ 59. Kh4 Qe1+ 60. Qg3 Qh1+ 61. Kg5 Qd5+ 62. Kh4 Qh1+ 63. Bh3 Qe4+ 64. Qg4
Qe1+ 65. Kh5 Qe5+ 66. Qg5 Qe2+ 67. Kh6 Qd3 68. Qc5+ Ke8 69. Qc8+ Ke7 70. Qc7+
Ke8 71. Qb8+ Kd7 72. Qa7+ Ke8 73. Qa4+ Ke7 74. Qg4 Qe3+ 75. Qg5+ 1-0

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van Briemen, Willem"]
[Black "Serdijn, Adinda"]
[Result "1-0"]
[WhiteElo "1992"]
[BlackElo "1957"]
[PlyCount "77"]
[EventDate "2023.??.??"]

1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. Nc3 Nf6 5. h4 d5 6. Bd3 Be6 7. f3 c6 8. Qe2 Nh5
9. Bf4 Nxf4 10. exf4 Bf7 11. Qf2 Qb6 12. Nge2 Na6 13. a3 Nc7 14. Na4 Qa5+ 15.
b4 Qxa4 16. Nc3 Ne6 17. Nxa4 Bxd4 18. Qd2 Bxa1 19. c3 d4 20. Kf2 Bxc3 21. Nxc3
dxc3 22. Qxc3 O-O-O 23. b5 Nxf4 24. Bc4 Bxc4 25. Qxc4 Nd3+ 26. Kg3 c5 27. Rd1
Rd4 28. Qe6+ Kb8 29. Rxd3 Rhd8 30. Rxd4 cxd4 31. Qxe7 Kc8 32. Qc5+ Kb8 33. Kf2
b6 34. Qe5+ Kc8 35. Ke2 d3+ 36. Kd2 Rd7 37. h5 Kd8 38. hxg6 hxg6 39. Qf6+ 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "De Witte, Sjoerd"]
[Black "Zwinkels, Wim"]
[Result "1-0"]
[WhiteElo "1648"]
[BlackElo "1776"]
[PlyCount "97"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 a5 8. g4 Na6
9. Nge2 Nc5 10. Ng3 Bd7 11. Qd2 Qc8 12. f3 Kh8 13. h4 Bxg4 14. fxg4 Qxg4 15.
Qg2 Qd7 16. h5 Ng4 17. Bxc5 dxc5 18. Qh3 h6 19. Be2 Nf6 20. O-O-O Qxh3 21. Rxh3
Rad8 22. Rhh1 Ne8 23. Nb5 Rd7 24. Bg4 Re7 25. d6 cxd6 26. Nxd6 Nf6 27. Bh3 Kg8
28. Nb5 b6 29. Nc3 Ree8 30. Nd5 Nxd5 31. Rxd5 Rd8 32. Rhd1 Bf6 33. Kc2 Rxd5 34.
Rxd5 Rd8 35. Bg4 Kg7 36. Nf1 Rxd5 37. cxd5 Bd8 38. a4 Kf6 39. Ne3 Kg5 40. Kd2
Kf4 41. Kd3 c4+ 42. Nxc4 Kxg4 43. Nxe5+ Kxh5 44. Nxf7 Bh4 45. e5 g5 46. Ke4 Kg6
47. Nd6 h5 48. Nf5 Be1 49. d6 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "De Leede, Tjeerd"]
[Black "Kohlbeck, Ton"]
[Result "1-0"]
[WhiteElo "1704"]
[BlackElo "1831"]
[Annotator "van,Jan"]
[PlyCount "57"]
[EventDate "2023.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Bd2 Qc7 7. Qe2 Bg4 8.
f3 Bh5 9. g4 Bg6 10. h4 Qg3+ 11. Qf2 Qxf2+ 12. Kxf2 h5 13. g5 Nfd7 14. a4 e5
15. Ne4 Nc5 16. Ne2 Nbd7 17. N2g3 O-O-O 18. Be3 f5 19. gxf6 gxf6 20. Nxc5 Bxc5
21. Bxc5 Nxc5 22. Ne4 Bxe4 23. fxe4 Rh7 24. Rhg1 Rd6 25. Rg8+ Kc7 26. b4 Ne6
27. Bxe6 Rxe6 28. Rag1 Kb6 29. c4 {rest notatie onduidelijk} 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Molenkamp, Jan Bertus"]
[Black "Brienen, Jacob"]
[Result "1/2-1/2"]
[WhiteElo "1785"]
[BlackElo "1498"]
[PlyCount "69"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 d5 7. exd5 Nxd5 8. O-O
O-O 9. Re1 Re8 10. Nbd2 f6 11. Ne4 Ba7 12. Qb3 Be6 13. a5 Qd7 14. Nfg5 fxg5 15.
Nxg5 Rad8 16. Be3 Kh8 17. Bxa7 Nxa7 18. Rxe5 Bg8 19. Rxe8 Rxe8 20. Qxb7 Nc8 21.
Qxa6 Nd6 22. Bb3 Nf4 23. Bxg8 Kxg8 24. Ne4 Qc6 25. f3 Kh8 26. Re1 Qd5 27. d4
Ra8 28. Nxd6 cxd6 29. Qb6 h5 30. a6 Nd3 31. Qb7 Qxb7 32. axb7 Rb8 33. Re7 Nxb2
34. Rc7 Kh7 35. Kf2 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Shankar, Aravindh Swaminat"]
[Black "Hoogeveen, Luuk"]
[Result "1/2-1/2"]
[WhiteElo "1729"]
[BlackElo "1643"]
[PlyCount "112"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. dxc5 dxc5 8. Qxd8
Rxd8 9. Bxc5 Nc6 10. Ba3 b6 11. Nge2 Ba6 12. Nf4 Rac8 13. Rc1 Nd7 14. Be2 Nde5
15. b3 e6 16. O-O Nd4 17. Rfd1 Bh6 18. g3 Ndxf3+ 19. Bxf3 Nxf3+ 20. Kg2 Ne5 21.
Be7 Re8 22. Bd6 Bg7 23. Nb5 Bxb5 24. cxb5 Ng4 25. Re1 Rxc1 26. Rxc1 Rd8 27. Bb4
Be5 28. h3 Nf6 29. Be7 Re8 30. Bxf6 Bxf6 31. Rc7 Re7 32. Rxe7 Bxe7 33. Nd3 f6
34. e5 f5 35. Nb2 Kf7 36. Nc4 Ke8 37. Kf3 Kd7 38. Ne3 h6 39. Nc2 Bc5 40. b4 Bf8
41. h4 Bg7 42. Kf4 g5+ 43. hxg5 hxg5+ 44. Kxg5 Bxe5 45. g4 fxg4 46. Kxg4 Bc3
47. Kf4 Kd6 48. Ke4 e5 49. Ne3 Bxb4 50. Nc4+ Kc5 51. Nxe5 Kxb5 52. Kd5 Ka4 53.
Nd3 Ka3 54. Kc4 Bf8 55. Kb5 Kxa2 56. Ka6 Kb3 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Teianu, Maxim"]
[Black "Vergeer, Michiel"]
[Result "1-0"]
[WhiteElo "1488"]
[BlackElo "1688"]
[PlyCount "95"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nbd7 6. Be3 b6 7. Qd2 Bb7 8. f3
c5 9. d5 a6 10. Nh3 Qc7 11. Nf2 h5 12. h4 Ne5 13. O-O-O Bc8 14. Rdg1 Qd7 15. g4
hxg4 16. fxg4 Bb7 17. h5 O-O-O 18. h6 Bf8 19. g5 Nh7 20. Ng4 Kb8 21. Nxe5 dxe5
22. Bg4 Qd6 23. Rf1 f6 24. Be6 Bc8 25. Bxc8 Rxc8 26. gxf6 exf6 27. Qg2 Rg8 28.
Rf5 Be7 29. Rf2 Rcf8 30. Qf1 Kb7 31. Bd2 Qd7 32. Qe2 Kc7 33. Rhf1 Qd6 34. Nd1
Kb7 35. Ne3 Qd7 36. Ng4 Qd6 37. a3 Qc7 38. Bc3 Bd6 39. Nxf6 Nxf6 40. Rxf6 Rxf6
41. Rxf6 Be7 42. Re6 Bg5+ 43. Kb1 Bxh6 44. Bxe5 Qd8 45. Bf6 Qf8 46. Qh2 Bg7 47.
Re7+ Ka8 48. Qc7 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Wagemans, Ed"]
[Black "Van de Poel, Jona"]
[Result "0-1"]
[WhiteElo "1784"]
[BlackElo "1717"]
[PlyCount "65"]
[EventDate "2023.??.??"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O a6 6. Be2 d5 7. d3 Nf6 8. Bg5
Be7 9. a4 O-O 10. Qd2 Nxe2+ 11. Qxe2 d4 12. Nb1 b6 13. Nbd2 h6 14. Bh4 Nh5 15.
Bxe7 Qxe7 16. Ne5 Qg5 17. Ndc4 Rb8 18. g3 Nf4 19. Qf3 Ng6 20. Nxg6 fxg6 21. Qg2
e5 22. b3 Qh5 23. h4 b5 24. axb5 axb5 25. Nd2 Rb6 26. Ra8 Kh7 27. Ra7 g5 28.
Qh2 gxh4 29. f3 Qg6 30. g4 Bxg4 31. fxg4 Qxg4+ 32. Kh1 Rxf1+ 33. Nxf1 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van der Ven, Joao"]
[Black "Verschoor, Marcel"]
[Result "1-0"]
[WhiteElo "1649"]
[BlackElo "1646"]
[PlyCount "87"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 h6 8.
Bh4 a6 9. e3 O-O 10. Be2 Be7 11. O-O Ne8 12. Bg3 Nb4 13. Qd2 Nf6 14. Rfd1 Nc6
15. h3 Qa5 16. a3 Ne8 17. b4 Qd8 18. e4 Bf6 19. e5 Be7 20. Ne4 f5 21. exf6 Nxf6
22. Nxf6+ Bxf6 23. Rac1 Re8 24. Bd3 d5 25. Bg6 Rf8 26. cxd5 exd5 27. Bb1 Be7
28. Qxd5+ Qxd5 29. Rxd5 Be6 30. Rdd1 Bf6 31. Re1 Bf7 32. Ne5 Nxe5 33. Bxe5 Bg5
34. f4 Bh4 35. Re3 Rad8 36. g3 Be7 37. Bxg7 Rfe8 38. Rxe7 Kxg7 39. Rxe8 Rxe8
40. Kf2 Re7 41. Rc5 Kf6 42. Bd3 Be6 43. g4 Kf7 44. Bc4 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Beetstra, Jaap"]
[Black "Varela, César"]
[Result "1-0"]
[WhiteElo "1738"]
[PlyCount "87"]
[EventDate "2023.??.??"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. Nf3 e6 6. O-O Nf6 7. Re1 Be7 8. d4
cxd4 9. Nxd4 Nxd4 10. Bxd7+ Qxd7 11. Qxd4 O-O 12. c4 e5 13. Qd3 Qc6 14. Nc3 a6
15. Rac1 Bd8 16. h3 Ba5 17. a3 Bxc3 18. Bxc3 Rfd8 19. a4 a5 20. Bd2 Nd7 21. Re3
Nc5 22. Qd5 Qxd5 23. cxd5 b6 24. g4 b5 25. axb5 Rdb8 26. Ra1 a4 27. bxa4 Rxa4
28. Rxa4 Nxa4 29. Rb3 Nc5 30. Rb4 h6 31. b6 Nd7 32. Be3 f6 33. Kf1 Kf7 34. Ke2
Nc5 35. Bxc5 dxc5 36. Rb5 Ke7 37. Kd3 g6 38. Kc4 Kd6 39. b7 f5 40. exf5 gxf5
41. Rb6+ Kc7 42. Kxc5 f4 43. Rxh6 Rxb7 44. Rh7+ 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Rozendaal, Henk"]
[Black "Van Veen, Kylian"]
[Result "1-0"]
[WhiteElo "1738"]
[BlackElo "1735"]
[Annotator "van,Jan"]
[PlyCount "84"]
[EventDate "2023.??.??"]

1. c4 e5 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 e4 6. Nc3 Nf6 7. Bg5 Be7 8. Qb3
Nbd7 9. e3 O-O 10. Nge2 h6 11. Bxf6 Nxf6 12. Nf4 Be6 13. Nxe6 fxe6 14. Qxb7 Rb8
15. Qa6 Rxb2 16. Qxe6+ Kh8 17. O-O Rb6 18. Qf5 Qc8 19. Qxc8 Rxc8 20. Ne2 Rc2
21. Nf4 Ba3 22. Rab1 Rxa2 23. Rxb6 axb6 24. Rb1 Bd6 25. h3 Bc7 26. Ne6 Rc2 27.
Nxc7 Rxc7 28. Rxb6 Kh7 29. Bf1 Kg6 30. Bb5 Kg5 31. Rd6 Rb7 32. Ba6 Rc7 33. Kg2
h5 34. Rd8 Ra7 35. Bb5 Rc7 36. Ba4 Rc3 37. Bd7 Ra3 38. Be6 Ra5 39. Rd6 Rb5 40.
Rc6 Ne8 41. Rc8 Ra5 42. Rc6 Rb5 {rest notatie niet te ontcijferen.} 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Van Amsterdam, Jan"]
[Black "Groenendijk, Patrick"]
[Result "0-1"]
[WhiteElo "1708"]
[BlackElo "1694"]
[PlyCount "24"]
[EventDate "2023.??.??"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 e6 6. d4 Nbd7 7. Bf4 Nxe4 8.
Qxe4 Nf6 9. Qe2 Be7 10. O-O-O O-O 11. c4 Qa5 12. Kb1 Qf5+ 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Branco, Moritz"]
[Black "Schenkelaars, Robin"]
[Result "0-1"]
[WhiteElo "1429"]
[BlackElo "1750"]
[PlyCount "52"]
[EventDate "2023.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 Qb6 8. Qb3
c4 9. Qxb6 axb6 10. Bc2 b5 11. b4 cxb3 12. Nxb3 b4 13. Bb2 Nb6 14. Nbd2 bxc3
15. Bxc3 Bb4 16. Bxb4 Nxb4 17. Bb1 Bd7 18. a3 O-O 19. O-O g6 20. Nb3 Ba4 21.
Nc5 Bb5 22. Rc1 Na6 23. Nxb7 Nc4 24. Bd3 Rab8 25. Bxc4 Rxb7 26. Rcb1 dxc4 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Rudman, Lev"]
[Black "Vlieland, Theo"]
[Result "1/2-1/2"]
[WhiteElo "1224"]
[BlackElo "1396"]
[PlyCount "51"]
[EventDate "2023.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. b3 c5
9. Bb2 Nc6 10. h3 Rc8 11. Re1 Nb4 12. Be2 dxc4 13. Bxc4 Bxf3 14. gxf3 cxd4 15.
exd4 Nbd5 16. Re5 Bd6 17. Rg5 Nxc3 18. Bxc3 Ne4 19. Rxg7+ Kxg7 20. fxe4 Qg5+
21. Kh1 Rg8 22. Bd2 Qh4 23. Qf3 Kh8 24. Bc3 b5 25. d5+ e5 26. Bxb5 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "De Witte, Job"]
[Black "Brouwer, Tim"]
[Result "0-1"]
[WhiteElo "1507"]
[BlackElo "1631"]
[PlyCount "82"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5 7. Nxe5 Nxe5 8.
Rxe5+ Be7 9. Bb3 Nxb3 10. axb3 O-O 11. d4 Bf6 12. Re1 Re8 13. Be3 b5 14. c4 Bb7
15. Nc3 c6 16. Qc2 d5 17. c5 Re6 18. Ne2 Qe7 19. Bf4 Bxd4 20. Bd6 Qe8 21. Qd2
Bf6 22. Nd4 Re4 23. Nf5 Qe6 24. Ng3 Rxe1+ 25. Rxe1 Qd7 26. Nh5 Bd8 27. Qd4 f6
28. Re3 Qf7 29. Qh4 g5 30. Qh3 Bc8 31. Qf3 g4 32. Nxf6+ Bxf6 33. Qg3 Qg6 34.
Re1 Bd7 35. Qe3 Re8 36. Qd2 Rxe1+ 37. Qxe1 Qe4 38. Qd1 Be7 39. Bxe7 Qxe7 40. f3
Qxc5+ 41. Kf1 Qf8 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Westveer, Paul"]
[Black "Van den Berg, Dick"]
[Result "0-1"]
[WhiteElo "1345"]
[BlackElo "1697"]
[PlyCount "72"]
[EventDate "2023.??.??"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c6 5. g3 Bf5 6. Bg2 Nd7 7. Nf3 Ngf6 8.
O-O Bd6 9. a4 a5 10. Nh4 Bg6 11. Nxg6 hxg6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4
Nf6 15. Bg2 O-O 16. Bg5 Qb6 17. Rb1 Rfe8 18. Bxf6 gxf6 19. Qd3 Rad8 20. b3 Be5
21. d5 Bd4 22. Rbd1 c5 23. h4 f5 24. h5 Kg7 25. Bf3 Qf6 26. Kg2 g5 27. Rh1 g4
28. h6+ Kh8 29. Be2 Qe5 30. Kf1 Qxd5 31. Rh5 Re5 32. Qd2 f4 33. Rh2 fxg3 34.
fxg3 Rf5+ 35. Ke1 Qxb3 36. Qc1 Qxg3+ 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Eveleens, Ed"]
[Black "Van Vleuten, Ronald"]
[Result "0-1"]
[WhiteElo "1697"]
[BlackElo "1590"]
[PlyCount "94"]
[EventDate "2023.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. h3 a6 6. a4 e6 7. d3 Be7 8. Nge2
Nc6 9. Bd2 O-O 10. O-O b6 11. Ng3 Bb7 12. Nce4 Ne5 13. Ba2 b5 14. Bc3 Ned7 15.
axb5 axb5 16. Nxf6+ Bxf6 17. Qh5 b4 18. Bxf6 Nxf6 19. Qh4 Rxa2 20. Qxb4 Qd5 21.
Ne4 Rxa1 22. Rxa1 Nxe4 23. dxe4 Qxe4 24. Qxe4 Bxe4 25. c3 Rb8 26. f3 Bd5 27. b4
Kf8 28. Rc1 Bc4 29. Kf2 c5 30. Rb1 cxb4 31. cxb4 Rb5 32. Ke3 Ke7 33. Kd4 Bd5
34. Kc3 g5 35. Ra1 h5 36. Ra7+ Rb7 37. Ra5 Rc7+ 38. Kb2 f5 39. b5 Kd6 40. g4
hxg4 41. fxg4 f4 42. Ra1 Rb7 43. Kc3 Rxb5 44. Kd4 Rb4+ 45. Kc3 Rb3+ 46. Kc2
Rxh3 47. Ra6+ Ke5 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "?"]
[Date "2023.07.03"]
[Round "7"]
[White "Beentjes, Douwe"]
[Black "De Ruyter, Wim"]
[Result "0-1"]
[ECO "D09"]
[BlackElo "1622"]
[Annotator "van,Jan"]
[PlyCount "92"]
[BlackTeam "NL"]

{[%evp 0,92,19,31,43,-23,33,45,30,16,24,31,61,48,62,68,74,81,111,24,32,29,35,
24,36,32,54,2,-18,-32,-17,-16,-7,-29,-19,-27,-29,-39,-30,-30,-22,-91,19,-104,
-117,-214,-112,-154,-185,-150,-80,-199,-145,-157,-114,-141,110,-53,-40,-56,-55,
-65,-31,-60,-55,-55,-48,-104,-97,-102,-117,-122,-127,-163,-167,-201,-197,-232,
-232,-267,-198,-313,-322,-322,-331,-335,-261,-449,-238,-1240,-743,-864,-1002,
-1100,-1180]} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. Nbd2 Qd7 7.
Bg2 O-O-O 8. O-O Bh3 9. e6 Bxe6 10. Ng5 Nf6 11. Qa4 Kb8 12. Nxe6 fxe6 13. b4
Nxb4 14. Qb3 c5 15. Rb1 Rc8 16. a3 Nc6 17. Nf3 Bd6 18. Bf4 b6 19. Bxd6+ Qxd6
20. Qb5 Kb7 21. a4 Ne4 22. Rfc1 Kc7 23. Ra1 Nc3 24. Qb2 Na5 25. Ng5 Nxc4 26.
Qc2 Rcf8 27. Ne4 Qe5 28. Nxc3 dxc3 29. Qxc3 Qxc3 30. Rxc3 Ne5 31. a5 Nc6 32.
axb6+ axb6 33. Bxc6 Kxc6 34. Ra7 g5 35. Re7 Re8 36. Rg7 h6 37. Rf7 b5 38. Kf1
b4 39. Rb3 Kb5 40. Rf6 c4 41. Rb1 c3 42. Rf3 Kc4 43. Ke1 Rd8 44. Rd1 Kb3 45.
Rfd3 Rxd3 46. Rxd3 Kc2 {0-} 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Koelmans, Jan Willem"]
[Black "Schenkelaars, Vincent"]
[Result "1-0"]
[WhiteElo "1810"]
[BlackElo "1750"]
[PlyCount "63"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nh3 c6 8. Be2
e5 9. d5 Ne8 10. O-O f5 11. exf5 gxf5 12. Nf2 Ndf6 13. Re1 Kh8 14. b4 Rg8 15.
dxc6 bxc6 16. b5 c5 17. Bg5 Bf8 18. Bh4 Qc7 19. Nd5 Qg7 20. g3 Nxd5 21. Qxd5
Bb7 22. Qe6 Qg6 23. Qxg6 hxg6 24. Bg5 Kg7 25. Rab1 Nc7 26. Be3 Ne6 27. Nd3 g5
28. Nc1 Kf6 29. Nb3 Rc8 30. Na5 Ba8 31. b6 Be7 32. b7 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Hooshangi, Milan"]
[Black "Van der Kolk, Constantijn"]
[Result "1/2-1/2"]
[WhiteElo "1605"]
[PlyCount "65"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bg5 h6 7. Bh4 d6 8. h3
Be6 9. Bb3 d5 10. exd5 Nxd5 11. Bg3 Bd6 12. Nbd2 f5 13. Re1 Qf6 14. Rb1 Bf7 15.
c3 Rad8 16. Nc4 Rfe8 17. Nfd2 Nde7 18. Nxd6 cxd6 19. Bxf7+ Qxf7 20. Qb3 Ng6 21.
Qxf7+ Kxf7 22. Rbd1 f4 23. Bh2 Re6 24. Ne4 Nh4 25. Re2 Rg6 26. g3 d5 27. Nc5 b6
28. Nb3 fxg3 29. fxg3 Nf3+ 30. Kg2 Nh4+ 31. Kg1 Nf3+ 32. Kg2 Nh4+ 33. Kg1
1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Tavridis, Efstathios"]
[Black "Cools, Frank"]
[Result "1/2-1/2"]
[WhiteElo "1558"]
[BlackElo "1440"]
[Annotator "van,Jan"]
[PlyCount "27"]
[EventDate "2023.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Qe2 c4 8. Bc2 b5
9. f4 g6 10. Ngf3 Be7 11. Nf1 Nc6 12. Ng3 Nb6 13. O-O Nd7 14. Ng5 {Niet te
ontcijferen} 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Moeri, Erick"]
[Black "Uittenbogaard, Rob"]
[Result "1/2-1/2"]
[WhiteElo "1522"]
[BlackElo "1477"]
[Annotator "van,Jan"]
[PlyCount "118"]
[EventDate "2023.??.??"]

1. d4 d5 2. Bf4 h5 3. e3 f6 4. h4 Nc6 5. Bd3 Be6 6. Bg6+ Bf7 7. Bxf7+ Kxf7 8.
g4 g6 9. g5 Bg7 10. Nc3 f5 11. Nf3 e6 12. Nb5 Rc8 13. Nc3 Nge7 14. Ne2 Re8 15.
Nc1 e5 16. dxe5 d4 17. exd4 Qd5 18. O-O Nb4 19. c3 Qe4 20. Bg3 Nbd5 21. Nd3 Qg4
22. Kg2 Kf8 23. c4 f4 24. cxd5 Nxd5 25. Qc1 Ne3+ 26. Qxe3 fxe3 27. fxe3 Kg8 28.
Nf2 Qe6 29. Ne4 Qd5 30. Nf6+ Bxf6 31. gxf6 Rf8 32. Kh2 c5 33. Rf2 cxd4 34. exd4
Rc6 35. Re1 Rfc8 36. Ree2 Rf8 37. Ng5 Rc1 38. Rg2 Rcc8 39. Be1 a5 40. Bc3 b6
41. Nh3 Kh7 42. Nf4 Qf3 43. Ref2 Qe4 44. d5 Rxc3 45. bxc3 Qxe5 46. Rxg6 Rxf6
47. Rxf6 Qxf6 48. Rf3 Qxh4+ 49. Nh3 Qe7 50. Kg3 b5 51. Kf4 Qd6+ 52. Ke4 Qe7+
53. Kd4 Qg7+ 54. Kd3 Qc7 55. Ke4 b4 56. cxb4 axb4 57. Ng5+ Kg8 58. Ne6 Qc2+ 59.
Rd3 Qxa2 {rest notatie onleesbaar.} 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Scheele, Peter"]
[Black "Erbilen, Inci"]
[Result "0-1"]
[WhiteElo "1171"]
[BlackElo "1338"]
[Annotator "van,Jan"]
[PlyCount "68"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 cxd5 9. Bd2 O-O 10. O-O Be6 11. Re1 Bc5 12. h3 Qd7 13. Qf3 Rab8 14. Rab1
d4 15. Ne4 Be7 16. b3 h6 17. Rbd1 Bd5 18. Nxf6+ Bxf6 19. Qh5 Rb6 20. Bxh6 g6
21. Bxg6 fxg6 22. Qxg6+ Bg7 23. Qg5 Rf5 24. Re7 Rxg5 25. Rxd7 Rxh6 26. Rxc7
Rxg2+ 27. Kf1 Rxh3 28. Rd3 Rhh2 29. Rg3 Rxf2+ 30. Ke1 Rf7 31. Rxf7 Kxf7 32. Kd1
Be4 33. a4 Bxc2+ 34. Kc1 Bg6 {Niet te ontcijferen.} 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.07.03"]
[Round "7"]
[White "Bingen, Stanley"]
[Black "Noij, Fenno"]
[Result "0-1"]
[WhiteElo "1274"]
[BlackElo "1372"]
[PlyCount "80"]
[EventDate "2023.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. f3 e6 6. Ne2 Nd7 7. Be3 Ngf6 8.
N4g3 Bg6 9. Nf4 Bd6 10. Nxg6 hxg6 11. f4 Nd5 12. Qd2 Qc7 13. Ne2 N7f6 14. O-O-O
Ng4 15. Bg1 Nxf4 16. g3 Nh5 17. Kb1 Nxg3 18. Nxg3 Bxg3 19. Qg2 Nxh2 20. Bxh2
Rxh2 21. Rxh2 Bxh2 22. Bd3 O-O-O 23. Rh1 Bf4 24. c3 e5 25. Bc2 exd4 26. cxd4
Rxd4 27. Rh8+ Rd8 28. Rh7 Bh6 29. Qg1 Qf4 30. b3 Rd2 31. Rh8+ Kc7 32. Qxa7 Rd1+
33. Kb2 Qe5+ 34. Ka3 Bc1+ 35. Kb4 Qb5+ 36. Kc3 Bd2+ 37. Kb2 Qe5+ 38. Ka3 Bc1+
39. Kb4 Rd4+ 40. Kc3 Ra4+ 0-1



