WORLDBASE
Game / Partie
#18663
[Event "Science Park Open A 2025"]
[Site "Amsterdam NED"]
[Date "2025.07.10"]
[Round "6.2"]
[White "Riemersma, L"]
[Black "Koster, R"]
[Result "1/2-1/2"]
[WhiteElo "2431"]
[BlackElo "2311"]
[ECO "D12"]
[PlyCount "95"]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 e6 6.Nh4 Bg6 7.Nxg6 hxg6 8.Bd2 Nbd7 9.Qc2 Bb4 10.Bd3 dxc4 11.Bxc4 c5 12.dxc5 Rc8 13.Be2 O-O 14.O-O Nxc5 15.Bf3 Qd3 16.Rfc1 Rfd8 17.Be1 Qxc2 18.Rxc2 b6 19.a3 Nb3 20.Rd1 Bd6 21.Kf1 g5 22.h3 Kf8 23.Be2 Ke7 24.Ba6 Rc7 25.Bd3 Be5 26.Ke2 Nc5 27.Bc4 Rxd1 28.Nxd1 Nfe4 29.b4 Nd7 30.Bd3 Rxc2+ 31.Bxc2 Nd6 32.Bd3 f5 33.g4 Nf6 34.f3 Nd5 35.Bd2 f4 36.e4 Nc7 37.Nc3 Bd4 38.Be1 Nf7 39.Nb5 Nxb5 40.Bxb5 Nd6 41.Bd3 b5 42.Kd1 a6 43.Kc2 Kd7 44.Kb3 Kc7 45.a4 Kb6 46.h4 Nf7 47.h5 Ne5 48.Be2 1/2-1/2
[Site "Amsterdam NED"]
[Date "2025.07.10"]
[Round "6.2"]
[White "Riemersma, L"]
[Black "Koster, R"]
[Result "1/2-1/2"]
[WhiteElo "2431"]
[BlackElo "2311"]
[ECO "D12"]
[PlyCount "95"]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 e6 6.Nh4 Bg6 7.Nxg6 hxg6 8.Bd2 Nbd7 9.Qc2 Bb4 10.Bd3 dxc4 11.Bxc4 c5 12.dxc5 Rc8 13.Be2 O-O 14.O-O Nxc5 15.Bf3 Qd3 16.Rfc1 Rfd8 17.Be1 Qxc2 18.Rxc2 b6 19.a3 Nb3 20.Rd1 Bd6 21.Kf1 g5 22.h3 Kf8 23.Be2 Ke7 24.Ba6 Rc7 25.Bd3 Be5 26.Ke2 Nc5 27.Bc4 Rxd1 28.Nxd1 Nfe4 29.b4 Nd7 30.Bd3 Rxc2+ 31.Bxc2 Nd6 32.Bd3 f5 33.g4 Nf6 34.f3 Nd5 35.Bd2 f4 36.e4 Nc7 37.Nc3 Bd4 38.Be1 Nf7 39.Nb5 Nxb5 40.Bxb5 Nd6 41.Bd3 b5 42.Kd1 a6 43.Kc2 Kd7 44.Kb3 Kc7 45.a4 Kb6 46.h4 Nf7 47.h5 Ne5 48.Be2 1/2-1/2
[Event "Science Park Open A 2025"]
[Site "Amsterdam NED"]
[Date "2025.07.10"]
[Round "6.2"]
[White "Riemersma, L"]
[Black "Koster, R"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2431"]
[BlackElo "2311"]
[ECO "D12"]
[Opening "QGD Slav"]
[Variation "4.e3 Bf5"]
[EventDate "2025.07.05"]
[WhiteFideId "1000250"]
[BlackFideId "1008544"]
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8.
Bd2 Nbd7 9. Qc2 Bb4 10. Bd3 dxc4 11. Bxc4 c5 12. dxc5 Rc8 13. Be2 O-O 14.
O-O Nxc5 15. Bf3 Qd3 16. Rfc1 Rfd8 17. Be1 Qxc2 18. Rxc2 b6 19. a3 Nb3 20.
Rd1 Bd6 21. Kf1 g5 22. h3 Kf8 23. Be2 Ke7 24. Ba6 Rc7 25. Bd3 Be5 26. Ke2
Nc5 27. Bc4 Rxd1 28. Nxd1 Nfe4 29. b4 Nd7 30. Bd3 Rxc2+ 31. Bxc2 Nd6 32.
Bd3 f5 33. g4 Nf6 34. f3 Nd5 35. Bd2 f4 36. e4 Nc7 37. Nc3 Bd4 38. Be1 Nf7
39. Nb5 Nxb5 40. Bxb5 Nd6 41. Bd3 b5 42. Kd1 a6 43. Kc2 Kd7 44. Kb3 Kc7 45.
a4 Kb6 46. h4 Nf7 47. h5 Ne5 48. Be2 1/2-1/2