[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Pijpers, Arthur"]
[Black "Passenier, Peter"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2459"]
[BlackElo "2170"]
[PlyCount "92"]
[EventDate "2023.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N5c3 g6 8. Nd5
Bg7 9. Nbc3 Nf6 10. Bd3 a6 11. O-O Nd7 12. Be3 O-O 13. Rc1 Rc8 14. b4 Nd4 15.
Ne2 Nb6 16. Qd2 Kh8 17. Nxb6 Qxb6 18. Nxd4 exd4 19. Bg5 Rfe8 20. a3 Rc6 21. Bf4
Qd8 22. a4 Qd7 23. Rc2 Rec8 24. Rfc1 b6 25. h4 h5 26. Bh6 Bf6 27. Bg5 Bg7 28.
Bh6 Bf6 29. Bg5 Bg7 30. Qe2 R6c7 31. a5 bxa5 32. bxa5 Rc5 33. Bd2 Qd8 34. Bb4
Qxh4 35. Bxc5 Rxc5 36. g3 Rg5 37. c5 Be5 38. Qe1 Bh3 39. c6 Bxg3 40. fxg3 Rxg3+
41. Qxg3 Qxg3+ 42. Kh1 Qxd3 43. c7 Qxe4+ 44. Kh2 Bc8 45. Rf2 Qe5+ 46. Kg2 Qg5+
0-1

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Polak, Alexander"]
[Black "Van Drunick, Jan-Willem"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "2194"]
[BlackElo "1933"]
[PlyCount "70"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. O-O Be7 7. Re1 f6 8. h3
Bf5 9. d4 Nb6 10. Bb5 O-O 11. Bxc6 bxc6 12. Qe2 Bd6 13. dxe5 fxe5 14. Nc3 Qf6
15. Ne4 Qf7 16. b3 Nd5 17. Nfg5 Qg6 18. Qc4 Be7 19. g4 Bxe4 20. Qxe4 Bc5 21.
Re2 Bd4 22. Qxg6 hxg6 23. c3 Nxc3 24. Rc2 Nd1 25. Rb1 Rxf2 26. Rxf2 Nxf2 27.
Kg2 Nd3 28. Ne6 Re8 29. Nxc7 Rf8 30. Bg5 Rf2+ 31. Kg3 e4 32. Ne6 Be5+ 33. Kh4
Rg2 34. Be3 Bf6+ 35. Ng5 Ne5 0-1

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Vijver, Jonathan"]
[Black "Van der Knaap, Jan"]
[Result "0-1"]
[WhiteElo "1824"]
[BlackElo "1890"]
[PlyCount "97"]
[EventDate "2023.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 Nfd7 6. exd6 cxd6 7. Qd2 Nf6 8.
O-O-O d5 9. f3 Nc6 10. Nge2 h6 11. Be3 a6 12. Kb1 b5 13. Nc1 Na5 14. Nb3 Nxb3
15. axb3 Bd7 16. g4 Qb6 17. Qd3 a5 18. h4 Bc6 19. Be2 Nd7 20. f4 a4 21. b4 Nb8
22. h5 gxh5 23. Rxh5 Na6 24. Na2 a3 25. b3 e6 26. g5 O-O-O 27. f5 hxg5 28. fxe6
fxe6 29. Qg6 Be8 30. Qxg7 Bxh5 31. Bxh5 Rxh5 32. Rf1 Qd6 33. Qa7 Rd7 34. Qa8+
Nb8 35. Bxg5 Rxg5 36. Nc3 a2+ 37. Kb2 Rg8 38. Qxa2 Qxb4 39. Rf3 Qxd4 40. Rd3
Qb6 41. Ne2 e5 42. b4 Rg4 43. c3 Rg2 44. Rd2 Qe3 45. Kb3 Rc7 46. Qc2 d4 47.
Qf5+ Kb7 48. Qe6 Rxc3+ 49. Nxc3 0-1

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Van der Marel, Lambertus"]
[Black "Margaryan, Artur"]
[Result "1-0"]
[WhiteElo "2087"]
[BlackElo "2074"]
[PlyCount "61"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c5 7. d5 Na6 8. Be2
Nc7 9. O-O a6 10. a4 b6 11. Be3 Rb8 12. f3 Bd7 13. Qd2 b5 14. b3 Re8 15. axb5
axb5 16. e5 b4 17. Na4 Nfxd5 18. cxd5 Bxe5 19. f4 Bxa1 20. Rxa1 Ra8 21. Bc4 Ra5
22. f5 Qa8 23. fxg6 hxg6 24. Rf1 Bxa4 25. bxa4 Rxa4 26. Qf2 Rf8 27. Nf5 Qd8 28.
Nh6+ Kg7 29. Nxf7 Qe8 30. Bh6+ Kg8 31. Qc2 1-0

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Zeven, Frank"]
[Black "Van Briemen, Willem"]
[Result "1/2-1/2"]
[WhiteElo "1929"]
[BlackElo "1992"]
[PlyCount "51"]
[EventDate "2023.??.??"]

1. b4 c6 2. Bb2 a5 3. a3 axb4 4. axb4 Rxa1 5. Bxa1 Qb6 6. c3 e5 7. Nf3 e4 8.
Nd4 d5 9. Qb3 Nf6 10. Na3 Bd6 11. g3 h5 12. Nac2 h4 13. gxh4 Rxh4 14. h3 Na6
15. Bg2 Nh5 16. e3 Kf8 17. c4 Bxb4 18. cxd5 Qa5 19. Nxb4 Qxa1+ 20. Ke2 Nf4+ 21.
exf4 Qxd4 22. Nxa6 bxa6 23. dxc6 Rxf4 24. Qe3 Qc4+ 25. Kd1 Qa4+ 26. Ke2 1/2-1/2

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Van Efferen, Yannick"]
[Black "Van der Scheer, Henk"]
[Result "1-0"]
[WhiteElo "1860"]
[BlackElo "1908"]
[Annotator "van,Jan"]
[PlyCount "95"]
[EventDate "2023.??.??"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. Bb5+ Nc6 5. Nf3 Bg4 6. O-O Nf6 7. Re1 e6 8.
d4 Be7 9. h3 Bxf3 10. Qxf3 O-O 11. Ne2 a6 12. Bd3 Nb4 13. Nf4 Nxd3 14. Nxd3 Rc8
15. c3 b5 16. a4 Ne4 17. axb5 axb5 18. Qg4 Kh8 19. Bf4 Qb6 20. Ne5 Nf6 21. Qe2
Bd6 22. Ra2 Bxe5 23. Qxe5 Nd7 24. Qd6 Qxd6 25. Bxd6 Ra8 26. Rea1 Rxa2 27. Rxa2
Rd8 28. Ra7 Nf6 29. Be5 Nd7 30. Bc7 Rc8 31. Ba5 Nf6 32. Rxf7 Kg8 33. Rb7 Ne4
34. Rxb5 Ra8 35. Bc7 Ra1+ 36. Kh2 Nxf2 37. Be5 Ra7 38. Rb8+ Kf7 39. b4 Ne4 40.
b5 Nxc3 41. b6 Rd7 42. Rc8 Na4 43. Bc7 Nxb6 44. Bxb6 Kf6 45. Bc7 Rf7 46. Be5+
Kf5 47. Rc7 Rxc7 48. Bxc7 {vlag.} 1-0

[Event "PK LeiSB 2023 groep A"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Timmermans, Raymond"]
[Black "Serdijn, Adinda"]
[Result "1-0"]
[WhiteElo "1974"]
[BlackElo "1957"]
[PlyCount "27"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5 7. Nc3 Nxa4 8.
Nxe5 Nxc3 9. Nxc6+ Be7 10. Nxe7 Nxd1 11. Ng6+ Qe7 12. Nxe7 Nxf2 13. Ng6+ Kd8
14. Nxh8 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Shankar, Aravindh Swaminat"]
[Black "De Leede, Tjeerd"]
[Result "1/2-1/2"]
[WhiteElo "1729"]
[BlackElo "1704"]
[PlyCount "47"]
[EventDate "2023.??.??"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nh3 d6 6. Nc3 O-O 7. Nf4 c6 8. Qb3
Kh8 9. d5 exd5 10. cxd5 Qc7 11. O-O Na6 12. Be3 Ng4 13. Rac1 Nxe3 14. fxe3 Bd7
15. Qc2 Qb6 16. Qd2 Nc5 17. Kh1 Rae8 18. e4 fxe4 19. Nxe4 Nxe4 20. Bxe4 Bf6 21.
Qd3 Rxe4 22. Qxe4 cxd5 23. Nxd5 Bc6 24. Qd3 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Schenkelaars, Robin"]
[Black "De Witte, Sjoerd"]
[Result "0-1"]
[WhiteElo "1750"]
[BlackElo "1648"]
[Annotator "van,Jan"]
[PlyCount "35"]
[EventDate "2023.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4 7. O-O Nge7 8.
Nb5 d5 9. exd5 exd5 10. Bxd5 Nxd5 11. Qxd5 O-O 12. Qxd8 Rxd8 13. Bf4 Bg4 14.
Ne5 Nxe5 15. Bxe5 Rd2 16. f3 Bf5 17. Rfc1 Re8 18. f4 {rest niet te ontcijferen.
} 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Zwinkels, Wim"]
[Black "Vergeer, Michiel"]
[Result "1-0"]
[WhiteElo "1776"]
[BlackElo "1688"]
[PlyCount "67"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nc3 Nf6 3. g3 c5 4. Bg2 Nc6 5. Nge2 d6 6. O-O Be7 7. d3 O-O 8. h3
Bd7 9. Kh2 a6 10. f4 Rb8 11. f5 b5 12. g4 h6 13. Ng3 Nd4 14. Nd5 Nxd5 15. exd5
b4 16. Ne4 f6 17. h4 Be8 18. Bh3 Bf7 19. c4 bxc3 20. bxc3 Nb5 21. c4 Nd4 22. g5
fxg5 23. hxg5 Bxg5 24. Bxg5 Rb2+ 25. Bd2 Qh4 26. Qg4 Qxg4 27. Bxg4 Rd8 28. Rfb1
Rxb1 29. Rxb1 h5 30. Bh3 Nf3+ 31. Kg3 Nxd2 32. Nxd2 g5 33. fxg6 Bxg6 34. Ne4
1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Molenkamp, Jan Bertus"]
[Black "Van de Poel, Jona"]
[Result "1-0"]
[WhiteElo "1785"]
[BlackElo "1717"]
[PlyCount "111"]
[EventDate "2023.??.??"]

1. c4 e5 2. Nf3 e4 3. Nd4 Nc6 4. Nc2 Nf6 5. g3 Bc5 6. Bg2 O-O 7. O-O Re8 8. a3
a5 9. Nc3 d6 10. Ne3 Nd4 11. d3 exd3 12. exd3 c6 13. Bd2 Bd7 14. Ne4 Nxe4 15.
dxe4 a4 16. Bb4 Bxb4 17. axb4 Qb6 18. Rxa4 Rxa4 19. Qxa4 Ne6 20. Rd1 Qc7 21.
Qc2 c5 22. Nd5 Qd8 23. bxc5 dxc5 24. b4 Nd4 25. Qd3 b6 26. Nxb6 Bg4 27. f3 Bxf3
28. Bxf3 Nxf3+ 29. Qxf3 Qxb6 30. b5 g6 31. Rd5 Qa5 32. Qe3 Qa1+ 33. Kf2 Re6 34.
e5 f6 35. Qxc5 Qb2+ 36. Kf3 Qc3+ 37. Kg2 Qc2+ 38. Qf2 Qxc4 39. Rc5 Qe4+ 40. Qf3
Qxf3+ 41. Kxf3 fxe5 42. Ke4 Kf7 43. Rxe5 Rd6 44. Rd5 Rb6 45. Kd4 Ke6 46. Kc5
Rb8 47. Rd2 Rc8+ 48. Kb6 Rc1 49. Rb2 Kd6 50. Rd2+ Ke6 51. Kb7 Ke7 52. b6 Ke8
53. Kb8 h5 54. b7 Ke7 55. Ra2 Kd7 56. Ka8 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Beetstra, Jaap"]
[Black "Van Veen, Kylian"]
[Result "0-1"]
[WhiteElo "1738"]
[BlackElo "1735"]
[PlyCount "46"]
[EventDate "2023.??.??"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. Ne2 Nf6 6. Nbc3 g6 7. d3 Bg7 8. O-O
O-O 9. h3 Rc8 10. f4 a6 11. Bxc6 Bxc6 12. a4 Re8 13. a5 b6 14. axb6 Qxb6 15.
Kh2 Qc7 16. Qd2 Bb7 17. Ra2 Qc6 18. Ng3 Rcd8 19. f5 e5 20. fxg6 hxg6 21. Qf2
Rd7 22. Raa1 Kh8 23. h4 Ng4+ 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Verschoor, Marcel"]
[Black "Hoogeveen, Luuk"]
[Result "1/2-1/2"]
[WhiteElo "1646"]
[BlackElo "1643"]
[PlyCount "46"]
[EventDate "2023.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 c6 5. Nf3 Bg7 6. h3 O-O 7. Be3 Qc7 8. Qd2
b5 9. a3 Nbd7 10. O-O Bb7 11. Rad1 a6 12. Bf4 e5 13. Bh2 Rad8 14. Qe3 Rfe8 15.
dxe5 Nxe5 16. Nxe5 dxe5 17. Rxd8 Rxd8 18. Rd1 Rxd1+ 19. Nxd1 c5 20. f3 c4 21.
Nc3 Bf8 22. Kh1 Nd7 23. Qd2 Qd6 1/2-1/2

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Van der Ven, Joao"]
[Black "Rozendaal, Henk"]
[Result "1-0"]
[WhiteElo "1649"]
[BlackElo "1738"]
[PlyCount "91"]
[EventDate "2023.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bxc3+ 6. bxc3 Bb7 7. Bd3 d5 8.
cxd5 exd5 9. e5 Ne4 10. Nf3 O-O 11. O-O f6 12. exf6 Qxf6 13. Ne5 h6 14. f3 Nd6
15. Bh7+ Kh8 16. Ng6+ Kxh7 17. Nxf8+ Kg8 18. Ng6 Nd7 19. Re1 Re8 20. Ba3 Re6
21. Bxd6 cxd6 22. Rxe6 Qxe6 23. Kf2 Kf7 24. Nf4 Qf6 25. Ne2 Qh4+ 26. Kg1 Nf6
27. Ng3 Qf4 28. Qf2 h5 29. Re1 h4 30. Nf1 Bc8 31. Qe3 Qf5 32. Qe7+ Kg6 33. Qxd6
Qd3 34. Qf4 h3 35. Qe3 Qc2 36. Re2 Qb1 37. Qd2 Bf5 38. g4 Bd3 39. Re1 Qb5 40.
Ng3 Bc4 41. Nf5 Bd3 42. Qe3 Qb2 43. Ne7+ Kh7 44. Qxd3+ Ne4 45. Qe2 Qxc3 46.
fxe4 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Kohlbeck, Ton"]
[Black "Groenendijk, Patrick"]
[Result "1-0"]
[WhiteElo "1831"]
[BlackElo "1694"]
[PlyCount "45"]
[EventDate "2023.??.??"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. cxd4 dxe4 5. Bc4 Bb4+ 6. Nc3 c6 7. Bxf7+ Kxf7
8. Qb3+ Be6 9. Qxb4 b6 10. Nxe4 h6 11. Nf3 Nf6 12. Ne5+ Kg8 13. Ng3 Kh7 14. Qc3
Re8 15. O-O Bd5 16. Qd3+ Kg8 17. Qg6 Re6 18. Nf5 Qc7 19. Nxh6+ Kf8 20. Nf5 Ne8
21. Qh7 Rf6 22. Ng6+ Kf7 23. Nh6+ 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Westveer, Paul"]
[Black "Branco, Moritz"]
[Result "1-0"]
[WhiteElo "1345"]
[BlackElo "1429"]
[PlyCount "61"]
[EventDate "2023.??.??"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 c6 6. d3 d5 7. cxd5 cxd5 8.
Ba3 Nc6 9. Nf3 Qa5 10. Qb3 Be6 11. O-O Rb8 12. Ng5 Bf5 13. e4 h6 14. Nxf7 Kxf7
15. exf5 Ne7 16. Bd6 Rbd8 17. Bxe5 Ng4 18. Bd4 Rd7 19. Qd1 h5 20. Bh3 Nc6 21.
Bxg4 hxg4 22. Qxg4 Nxd4 23. Qxd4 Rdd8 24. a4 Qa6 25. Rfe1 Qd6 26. Re6 Qc7 27.
Rae1 Rhe8 28. Rxe8 Rxe8 29. Qxd5+ Kf8 30. Rxe8+ Kxe8 31. Qg8+ 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "De Witte, Job"]
[Black "Vlieland, Theo"]
[Result "1-0"]
[WhiteElo "1507"]
[BlackElo "1396"]
[PlyCount "61"]
[EventDate "2023.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Bf5 7. Bxf6 Bxf6 8.
Qb3 b6 9. Qxd5 Qxd5 10. Nxd5 Bd8 11. Rc1 c6 12. Nb4 Bd7 13. Nf3 Be7 14. Nd3 f6
15. Nf4 Bb4+ 16. Nd2 c5 17. Nd5 Kd8 18. Nxb4 cxb4 19. Bd3 Nc6 20. O-O Ke7 21.
Be4 Rac8 22. Rc2 f5 23. Bxc6 Bxc6 24. Rfc1 Bb7 25. Rxc8 Rxc8 26. Rxc8 Bxc8 27.
f3 Be6 28. b3 a5 29. e4 Kd6 30. Kf2 b5 31. Ke3 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Rudman, Lev"]
[Black "Van den Berg, Dick"]
[Result "1-0"]
[WhiteElo "1224"]
[BlackElo "1697"]
[PlyCount "29"]
[EventDate "2023.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. axb5 cxb5 8. Ne5
Nf6 9. Bd2 Bxc3 10. Bxc3 a5 11. Qd2 Ne4 12. Qd1 Bb7 13. Qf3 O-O 14. Qf4 Nc6 15.
Qxe4 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Tavridis, Efstathios"]
[Black "Van Vleuten, Ronald"]
[Result "0-1"]
[WhiteElo "1558"]
[BlackElo "1590"]
[Annotator "van,Jan"]
[PlyCount "92"]
[EventDate "2023.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. d3 e6 6. Bg5 Be7 7. Nf3 O-O 8.
O-O a6 9. a4 Nc6 10. d4 Nb4 11. Re1 b6 12. Na2 Bb7 13. Bxf6 gxf6 14. Nxb4 Bxb4
15. c3 Bd6 16. Nd2 Kh8 17. Qh5 f5 18. Re3 Qf6 19. Rh3 Qg7 20. Nf3 Bxf3 21. Qxf3
Rg8 22. Bd3 Qg4 23. Be2 Qxf3 24. Bxf3 Rab8 25. Bc6 a5 26. Re1 Rg5 27. Rf1 f4
28. Be4 Rg7 29. Kh1 c5 30. Rd1 cxd4 31. Rxd4 Bc5 32. Rd2 f5 33. Bc6 Rc8 34. Bd7
Rd8 35. Rhd3 Bxf2 36. Bxe6 Rxd3 37. Rxd3 Re7 38. Rd6 Kg7 39. Rd7 Rxd7 40. Bxd7
Kf6 41. Bc6 Ke5 42. h3 h6 43. g4 fxg3 44. Kg2 f4 45. b4 axb4 46. cxb4 Be1 {
rest notatie onduidelijk.} 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Den Hollander, Steven"]
[Black "Brouwer, Tim"]
[Result "0-1"]
[WhiteElo "1546"]
[BlackElo "1631"]
[PlyCount "60"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Nxf7 Kxf7 7. Bxb5 Qxd5
8. Bxc6 Qxc6 9. O-O Bb7 10. f3 Bc5+ 11. Kh1 e4 12. Nc3 exf3 13. Rxf3 Rhf8 14.
d4 Rad8 15. d5 Qd7 16. Bg5 Kg8 17. Bxf6 Rxf6 18. Ne4 Rxf3 19. Nxc5 Qxd5 20.
Qxf3 Qxf3 21. gxf3 Bxf3+ 22. Kg1 Rd2 23. Rc1 Rg2+ 24. Kf1 Rxh2 25. Nd3 g5 26.
Ne1 Be4 27. b4 g4 28. a4 g3 29. c4 Rh1+ 30. Ke2 g2 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Wagemans, Ed"]
[Black "Van der Kolk, Constantijn"]
[Result "1-0"]
[WhiteElo "1784"]
[PlyCount "48"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 a6 6. Ba4 b5 7. Bc2 Bb6 8. d4
d6 9. Bg5 h6 10. Bh4 exd4 11. cxd4 g5 12. Bg3 g4 13. Nh4 Nxd4 14. e5 Nh5 15.
exd6 Nxc2 16. Qxc2 Nxg3 17. hxg3 Qxd6 18. Qe4+ Qe6 19. Qxa8 O-O 20. Nd2 Qd6 21.
Ne4 Qe5 22. Qc6 Qxb2 23. Nf5 Be6 24. Nxh6+ Kh7 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Eveleens, Ed"]
[Black "Uittenbogaard, Rob"]
[Result "1-0"]
[WhiteElo "1697"]
[BlackElo "1477"]
[Annotator "van,Jan"]
[PlyCount "52"]
[EventDate "2023.??.??"]

1. e4 c5 2. a3 Nc6 3. b4 cxb4 4. axb4 Nxb4 5. d4 Qc7 6. c3 Nc6 7. Na3 a6 8. Nf3
d6 9. Be2 Nf6 10. Qd3 e5 11. d5 Na7 12. Be3 Bd7 13. O-O Ng4 14. Bxa7 Rxa7 15.
h3 Nf6 16. Nd2 Be7 17. Rfb1 O-O 18. Qe3 Raa8 19. Nac4 Rab8 20. Nb6 Ne8 21. Nxd7
Qxd7 22. Rxa6 f5 23. exf5 Qxf5 24. Ne4 Kh8 25. Rab6 Nf6 26. Nxf6 Qxf6 {rest
notatie onleesbaar.} 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Varela, César"]
[Black "Erbilen, Inci"]
[Result "1-0"]
[BlackElo "1338"]
[Annotator "van,Jan"]
[PlyCount "0"]
[EventDate "2023.??.??"]

 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "?"]
[Date "2023.06.19"]
[Round "5"]
[White "Bingen, Stanley"]
[Black "De Ruyter, Wim"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1274"]
[BlackElo "1595"]
[Annotator "van,Jan"]
[PlyCount "96"]
[EventDate "2023.??.??"]

{[%evp 0,96,19,31,32,29,42,3,10,16,-16,-28,-35,-31,-8,-35,-37,-54,-49,-46,-21,
-68,-40,-49,-26,-26,-8,-104,-42,-58,-78,-44,21,-83,0,-109,-117,-265,-228,-235,
-230,-230,-211,-211,-211,-239,-209,-272,-250,-272,-266,-281,-249,-260,-257,
-332,-292,-365,-340,-344,-353,-358,-449,-725,-718,-795,-805,-830,-830,-791,
-870,-959,-842,-982,-660,-829,-682,-684,-692,-691,-699,-703,-711,-881,-962,
-29977,-29978,-29979,-29976,-29977,-29978,-29979,-29980,-29983,-29984,-29985,
-29986,-29987,-29990]} 1. e4 d5 2. exd5 Nf6 3. d3 Nxd5 4. Nf3 Nc6 5. Be2 e5 6.
O-O Be7 7. Re1 O-O 8. Bf1 Bg4 9. Nbd2 Re8 10. Nc4 Bf6 11. c3 b5 12. Ne3 Bh5 13.
g4 Bg6 14. Ng2 h6 15. h4 e4 16. Nh2 Bxh4 17. d4 a6 18. g5 Bxg5 19. Bxg5 Qxg5
20. Qg4 f5 21. Qxg5 hxg5 22. Ne3 Nf4 23. Rad1 Rad8 24. Kh1 Ne7 25. a4 c6 26.
axb5 axb5 27. Nc2 Bf7 28. Re3 Bd5 29. Nb4 Kf7 30. Rde1 Rh8 31. Rg3 Rh5 32. Kg1
Rdh8 33. f3 Rxh2 34. Nxd5 cxd5 35. fxe4 fxe4 36. Rxg5 Rxb2 37. Bg2 Rxg2+ 38.
Rxg2 Nxg2 39. Kxg2 Rc8 40. Rc1 Ke6 41. Kf2 b4 42. Ke3 Rxc3+ 43. Kd2 Rxc1 44.
Kxc1 g5 45. Kc2 g4 46. Kb3 g3 47. Kxb4 g2 48. Kc5 g1=Q 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Van Amsterdam, Jan"]
[Black "Moeri, Erick"]
[Result "1-0"]
[WhiteElo "1708"]
[BlackElo "1522"]
[PlyCount "52"]
[EventDate "2023.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 h6 5. Be3 Qa5 6. Qd2 e5 7. Nf3 Be6 8. Be2
Nbd7 9. O-O g5 10. Rfd1 g4 11. hxg4 Nxg4 12. d5 Nxe3 13. dxe6 Nxd1 14. exd7+
Kxd7 15. Rxd1 Rd8 16. b4 Qc7 17. Nxe5+ Kc8 18. Bg4+ Kb8 19. Nf3 d5 20. a3 Bg7
21. exd5 Rhg8 22. d6 Qb6 23. Na4 Qa6 24. Nc5 Qxa3 25. Qf4 Bf8 26. Qxf7 Qxb4 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Been, Klaas"]
[Black "Cools, Frank"]
[Result "1-0"]
[WhiteElo "1543"]
[BlackElo "1440"]
[PlyCount "76"]
[EventDate "2023.??.??"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Nbd2 Nbd7 5. Bd3 c6 6. O-O e6 7. Re1 Be7 8. c3
e5 9. dxe5 Nxe5 10. Be2 Nxf3+ 11. Nxf3 O-O 12. Qb3 Qb6 13. Qxb6 axb6 14. Nd4
Bxe2 15. Rxe2 Rfe8 16. Nf5 Bf8 17. f3 h6 18. Ng3 b5 19. Bd2 Bc5 20. a3 Re6 21.
Rae1 Rae8 22. Nf5 Re5 23. Nd4 Bxd4 24. cxd4 R5e6 25. Kf2 g5 26. h3 Kh7 27. g4
Kg6 28. Rg1 Kh7 29. Ree1 b6 30. Rh1 Nd7 31. h4 gxh4 32. Rxh4 Kg7 33. Reh1 c5
34. e4 dxe4 35. Bxh6+ Kg6 36. f4 f5 37. gxf5+ Kxf5 38. Rh5+ Kg6 1-0

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Pasteels, Luc"]
[Black "Hooshangi, Milan"]
[Result "0-1"]
[WhiteElo "1401"]
[BlackElo "1605"]
[PlyCount "58"]
[EventDate "2023.??.??"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. Nf3 O-O 6. O-O h6 7. Be3 Bb6 8. Ne2
d5 9. exd5 Nxd5 10. Bxb6 Nxb6 11. Bb5 Nd4 12. Nfxd4 exd4 13. c4 dxc3 14. Nxc3
c6 15. Bc4 Nxc4 16. dxc4 Qg5 17. Ne4 Qg6 18. Re1 Be6 19. Nd6 b6 20. c5 bxc5 21.
Qc1 Bd5 22. g3 Qxd6 23. Qc3 Qf6 24. Qxf6 gxf6 25. b3 c4 26. Re3 cxb3 27. axb3
Rfe8 28. Rc3 Rab8 29. Rb1 a5 0-1

[Event "PK LeiSB 2023 groep B"]
[Site "Leiden, Netherlands"]
[Date "2023.06.19"]
[Round "5"]
[White "Noij, Fenno"]
[Black "Schenkelaars, Vincent"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1372"]
[BlackElo "1750"]
[PlyCount "58"]
[EventDate "2023.??.??"]

{[%evp 0,58,19,31,25,-11,47,25,37,37,36,22,22,22,24,24,37,24,23,-2,-2,0,-1,-5,
10,-19,-2,-14,-16,-180,-219,-247,-156,-177,-189,-272,-272,-316,-233,-253,-249,
-227,-152,-309,-309,-422,-456,-607,-636,-764,-764,-790,-786,-823,-823,-828,
-865,-905,-840,-1982,-1938]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 h6
6. Bxf6 exf6 7. e3 Nd7 8. g3 f5 9. Qc2 Nf6 10. Bg2 O-O 11. O-O-O c6 12. Qb3 Rb8
13. Nd2 Bd7 14. e4 Ng4 15. exf5 gxf5 16. Rdf1 Bxd4 17. h3 Nxf2 18. Rh2 Nd3+ 19.
Kb1 Nc5 20. Qc2 b5 21. Ne2 Bg7 22. g4 bxc4 23. Nxc4 d5 24. b3 dxc4 25. Qxc4 Qf6
26. Nd4 Qxd4 27. Qxd4 Bxd4 28. gxf5 Bf6 29. Rc1 Bxf5+ 0-1



