Event: Round 6: Koster, Ramon - Ratsma, Midas
Date: 2024-09-14
White: Koster, Ramon
WhiteTitle: FM
Black: Ratsma, Midas
BlackTitle: FM
BlackElo: 2172
Result: 1-0
ECO: D30
Opening: Queen's Gambit Declined
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:03:04] } 1... d5 { [%eval 0.23] [%clk 0:03:02] } 2. c4 { [%eval 0.19] [%clk 0:03:04] } 2... e6 { [%eval 0.17] [%clk 0:03:02] } 3. Nf3 { [%eval 0.16] [%clk 0:03:05] } 3... c6 { [%eval 0.31] [%clk 0:03:02] } 4. Qc2 { [%eval 0.16] [%clk 0:03:06] } 4... Nf6 { [%eval 0.3] [%clk 0:03:02] } 5. g3 { [%eval 0.15] [%clk 0:03:07] } 5... dxc4 { [%eval 0.17] [%clk 0:03:01] } 6. Qxc4 { [%eval 0.21] [%clk 0:03:08] } 6... b5 { [%eval 0.17] [%clk 0:03:03] } 7. Qc2 { [%eval 0.03] [%clk 0:03:09] } 7... Bb7 { [%eval 0.06] [%clk 0:03:02] } 8. Bg2 { [%eval 0.01] [%clk 0:03:08] } 8... Nbd7 { [%eval 0.15] [%clk 0:03:02] } 9. O-O { [%eval -0.1] [%clk 0:03:06] } 9... c5 { [%eval -0.11] [%clk 0:03:03] } 10. a4 { [%eval -0.17] [%clk 0:03:04] } 10... b4 { [%eval -0.25] [%clk 0:03:02] } 11. a5 { [%eval -0.48] [%clk 0:02:59] } 11... Rc8 { [%eval -0.66] [%clk 0:02:59] } 12. Qd1 { [%eval -0.8] [%clk 0:02:39] } 12... cxd4 { [%eval -0.31] [%clk 0:02:52] } 13. Nxd4?! { [%eval -0.87] } { Inaccuracy. a6 was best. } { [%clk 0:02:27] } 13... Bxg2 { [%eval -0.66] [%clk 0:02:53] } 14. Kxg2 { [%eval -0.61] [%clk 0:02:27] } 14... Bc5 { [%eval -0.25] [%clk 0:02:53] } 15. Nb3 { [%eval -0.28] [%clk 0:02:27] } 15... Be7 { [%eval 0.06] [%clk 0:02:52] } 16. Be3 { [%eval 0.07] [%clk 0:02:21] } 16... Qc7 { [%eval 0.08] [%clk 0:02:50] } 17. N1d2 { [%eval -0.17] [%clk 0:02:17] } 17... Nd5?! { [%eval 0.6] } { Inaccuracy. O-O was best. } { [%clk 0:02:50] } 18. Rc1? { [%eval -1.0] } { Mistake. Bd4 was best. } { [%clk 0:01:58] } 18... Nxe3+ { [%eval -0.85] [%clk 0:02:51] } 19. fxe3 { [%eval -0.81] [%clk 0:01:59] } 19... Qb7+ { [%eval -0.84] [%clk 0:02:52] } 20. Nf3 { [%eval -0.87] [%clk 0:01:54] } 20... O-O?! { [%eval 0.07] } { Inaccuracy. Rxc1 was best. } { [%clk 0:02:46] } 21. Qd3?! { [%eval -0.91] } { Inaccuracy. a6 was best. } { [%clk 0:01:47] } 21... Bf6?! { [%eval 0.12] } { Inaccuracy. Ne5 was best. } { [%clk 0:02:42] } 22. Nd4?? { [%eval -1.66] } { Blunder. a6 was best. } { [%clk 0:01:25] } 22... Nc5? { [%eval -0.06] } { Mistake. Ne5 was best. } { [%clk 0:02:28] } 23. Qb5 { [%eval -0.12] [%clk 0:01:04] } 23... Qxb5 { [%eval -0.1] [%clk 0:02:26] } 24. Nxb5 { [%eval -0.31] [%clk 0:01:05] } 24... Bxb2 { [%eval -0.02] [%clk 0:02:27] } 25. Rc2 { [%eval -0.2] [%clk 0:01:06] } 25... Na4 { [%eval -0.14] [%clk 0:02:20] } 26. Rxc8 { [%eval -0.12] [%clk 0:01:02] } 26... Rxc8 { [%eval -0.17] [%clk 0:02:22] } 27. Nxa7 { [%eval -0.13] [%clk 0:01:03] } 27... Rc2 { [%eval -0.15] [%clk 0:02:22] } 28. Kf2?? { [%eval -3.14] } { Blunder. Nb5 was best. } { [%clk 0:00:59] } 28... Nc3 { [%eval -2.94] [%clk 0:02:19] } 29. Nd4 { [%eval -3.33] [%clk 0:01:00] } 29... Rd2?? { [%eval 0.2] } { Blunder. Ne4+ was best. } { [%clk 0:02:18] } 30. Nac6 { [%eval 0.6] [%clk 0:00:58] } 30... b3?? { [%eval 3.51] } { Blunder. Nd5 was best. } { [%clk 0:02:10] } 31. a6 { [%eval 3.33] [%clk 0:00:58] } 31... Ne4+ { [%eval 3.35] [%clk 0:02:05] } 32. Kf3 { [%eval 3.07] [%clk 0:00:57] } 32... Ng5+?! { [%eval 3.92] } { Inaccuracy. Bxd4 was best. } { [%clk 0:01:59] } 33. Kg4 { [%eval 3.9] [%clk 0:00:57] } 33... Bxd4 { [%eval 3.85] [%clk 0:01:51] } 34. exd4 { [%eval 3.87] [%clk 0:00:33] } 34... Ra2 { [%eval 3.71] [%clk 0:01:51] } 35. Kxg5? { [%eval 2.13] } { Mistake. a7 was best. } { [%clk 0:00:27] } 35... Rxa6 { [%eval 2.15] [%clk 0:01:52] } 36. d5 { [%eval 2.18] [%clk 0:00:13] } 36... exd5 { [%eval 2.16] [%clk 0:01:51] } 37. Nd4 { [%eval 2.14] [%clk 0:00:13] } 37... h6+ { [%eval 2.44] [%clk 0:01:50] } 38. Kg4 { [%eval 2.46] [%clk 0:00:15] } 38... h5+?! { [%eval 3.66] } { Inaccuracy. Ra4 was best. } { [%clk 0:01:50] } 39. Kh3 { [%eval 3.63] [%clk 0:00:13] } 39... Ra3 { [%eval 3.8] [%clk 0:01:49] } 40. Rb1 { [%eval 3.75] [%clk 0:00:13] } 40... Ra2 { [%eval 4.0] [%clk 0:01:50] } 41. Rxb3 { [%eval 4.01] [%clk 0:00:14] } 41... Rd2 { [%eval 3.98] [%clk 0:01:51] } 42. Rd3 { [%eval 3.97] [%clk 0:00:15] } 42... Ra2 { [%eval 4.06] [%clk 0:01:52] } 43. Kg2 { [%eval 4.05] } 43... f6 { [%eval 4.01] [%clk 0:01:52] } 44. Kf2 { [%eval 4.03] [%clk 0:00:17] } 44... Kf7 { [%eval 4.03] [%clk 0:01:53] } 45. Nf5 { [%eval 3.96] [%clk 0:00:18] } 45... g6 { [%eval 4.07] [%clk 0:01:53] } 46. Ne3 { [%eval 4.08] [%clk 0:00:19] } 46... h4 { [%eval 4.1] [%clk 0:01:53] } 47. g4 { [%eval 4.03] [%clk 0:00:19] } 47... f5 { [%eval 4.88] [%clk 0:01:50] } 48. gxf5 { [%eval 4.75] [%clk 0:00:19] } 48... gxf5 { [%eval 4.73] [%clk 0:01:51] } 49. Rxd5 { [%eval 4.64] [%clk 0:00:19] } 49... f4 { [%eval 4.56] [%clk 0:01:51] } 50. Rf5+ { [%eval 4.8] [%clk 0:00:21] } 50... Kg6 { [%eval 4.63] [%clk 0:01:52] } 51. Rxf4 { [%eval 4.44] [%clk 0:00:22] } 51... Kg5 { [%eval 5.25] [%clk 0:01:53] } 52. Rg4+ { [%eval 4.99] [%clk 0:00:24] } 1-0