Event: Round 1: Koster, Ramon - Elgersma, Onno
Date: 2024-09-14
White: Koster, Ramon
WhiteTitle: FM
Black: Elgersma, Onno
BlackTitle: FM
BlackElo: 2253
Result: 1-0
ECO: D30
Opening: Queen's Gambit Declined
Variant: Standard

1. d4 { [%eval 0.17] [%clk 0:03:03] } 1... d5 { [%eval 0.23] [%clk 0:03:02] } 2. c4 { [%eval 0.19] [%clk 0:03:04] } 2... e6 { [%eval 0.17] [%clk 0:03:03] } 3. Nf3 { [%eval 0.16] [%clk 0:03:05] } 3... Nf6 { [%eval 0.17] [%clk 0:03:04] } 4. g3 { [%eval 0.15] [%clk 0:03:06] } 4... Bb4+ { [%eval 0.15] [%clk 0:03:03] } 5. Bd2 { [%eval 0.14] [%clk 0:03:08] } 5... a5 { [%eval 0.21] [%clk 0:03:03] } 6. Bg2 { [%eval 0.19] } 6... O-O { [%eval 0.25] [%clk 0:03:04] } 7. O-O { [%eval 0.02] [%clk 0:03:09] } 7... dxc4 { [%eval 0.0] [%clk 0:03:04] } 8. Qc2 { [%eval 0.06] [%clk 0:03:11] } 8... Bxd2 { [%eval 0.0] [%clk 0:03:04] } 9. Nbxd2 { [%eval 0.01] [%clk 0:03:11] } 9... b5 { [%eval 0.04] [%clk 0:03:05] } 10. a4 { [%eval -0.06] [%clk 0:03:02] } 10... c6 { [%eval -0.09] [%clk 0:03:06] } 11. b3 { [%eval -0.09] [%clk 0:02:57] } 11... cxb3 { [%eval -0.18] [%clk 0:02:56] } 12. Nxb3 { [%eval -0.15] [%clk 0:02:57] } 12... Ba6 { [%eval -0.15] [%clk 0:02:44] } 13. Rfc1 { [%eval -0.37] [%clk 0:02:49] } 13... Nbd7?! { [%eval 0.23] } { Inaccuracy. bxa4 was best. } { [%clk 0:02:15] } 14. Ne5 { [%eval 0.27] [%clk 0:02:00] } 14... bxa4 { [%eval 0.33] [%clk 0:01:48] } 15. Rxa4 { [%eval 0.44] [%clk 0:01:54] } 15... Bb5 { [%eval 0.85] [%clk 0:01:25] } 16. Nxc6 { [%eval 0.89] [%clk 0:01:48] } 16... Qb6 { [%eval 1.28] [%clk 0:01:04] } 17. Rxa5 { [%eval 1.18] [%clk 0:01:11] } 17... Rxa5 { [%eval 1.52] [%clk 0:00:30] } 18. Nbxa5 { [%eval 1.42] [%clk 0:01:05] } 18... Qa6 { [%eval 1.62] [%clk 0:00:22] } 19. e3 { [%eval 1.58] [%clk 0:00:57] } 19... h5 { [%eval 1.93] [%clk 0:00:14] } 20. h4?! { [%eval 1.27] } { Inaccuracy. Ne7+ was best. } { [%clk 0:00:48] } 20... Bd3 { [%eval 1.32] [%clk 0:00:15] } 21. Qd1 { [%eval 1.09] [%clk 0:00:34] } 21... Bf5? { [%eval 2.44] } { Mistake. g6 was best. } { [%clk 0:00:13] } 22. Ne7+ { [%eval 1.82] [%clk 0:00:35] } 22... Kh8 { [%eval 1.65] [%clk 0:00:13] } 23. Nxf5 { [%eval 1.09] [%clk 0:00:36] } 23... exf5?! { [%eval 1.69] } { Inaccuracy. Qxa5 was best. } { [%clk 0:00:14] } 24. Nc6 { [%eval 1.35] [%clk 0:00:33] } 24... Rc8?! { [%eval 2.33] } { Inaccuracy. g6 was best. } { [%clk 0:00:12] } 25. d5?! { [%eval 1.15] } { Inaccuracy. Bf3 was best. } { [%clk 0:00:29] } 25... Qa2 { [%eval 1.61] [%clk 0:00:12] } 26. Rc2?! { [%eval 0.79] } { Inaccuracy. Bf3 was best. } { [%clk 0:00:18] } 26... Qa4 { [%eval 0.82] [%clk 0:00:11] } 27. Nd4?! { [%eval 0.12] } { Inaccuracy. Qc1 was best. } { [%clk 0:00:16] } 27... Rxc2 { [%eval 0.11] [%clk 0:00:08] } 28. Qxc2 { [%eval 0.2] [%clk 0:00:17] } 28... Qa1+ { [%eval 0.48] [%clk 0:00:09] } 29. Bf1 { [%eval 0.4] [%clk 0:00:15] } 29... g6 { [%eval 0.43] [%clk 0:00:08] } 30. d6 { [%eval 0.46] [%clk 0:00:13] } 30... Qa3?! { [%eval 1.44] } { Inaccuracy. Kg7 was best. } { [%clk 0:00:06] } 31. Qc6? { [%eval 0.08] } { Mistake. Qb3 was best. } { [%clk 0:00:11] } 31... Kg7 { [%eval 0.24] [%clk 0:00:05] } 32. Nf3 { [%eval 0.01] [%clk 0:00:12] } 32... Qa1?! { [%eval 0.8] } { Inaccuracy. Ne4 was best. } { [%clk 0:00:05] } 33. Ng5 { [%eval 0.84] [%clk 0:00:12] } 33... Qb2 { [%eval 1.04] [%clk 0:00:06] } 34. Qc4 { [%eval 1.38] [%clk 0:00:10] } 34... Ne5 { [%eval 1.42] [%clk 0:00:07] } 35. Qd4 { [%eval 1.35] [%clk 0:00:09] } 35... Qxd4 { [%eval 1.09] [%clk 0:00:05] } 36. exd4 { [%eval 0.84] [%clk 0:00:10] } 36... Nc6 { [%eval 1.3] [%clk 0:00:06] } 37. Bb5 { [%eval 0.89] [%clk 0:00:10] } 37... Nb8?? { [%eval 4.11] } { Blunder. Nd8 was best. } { [%clk 0:00:05] } 38. Nf3 { [%eval 3.33] [%clk 0:00:11] } 38... Ne4?! { [%eval 5.22] } { Inaccuracy. Kf8 was best. } { [%clk 0:00:05] } 39. d7 { [%eval 5.29] [%clk 0:00:12] } 39... Nxd7 { [%eval 5.2] [%clk 0:00:04] } 40. Bxd7 { [%eval 5.14] [%clk 0:00:13] } 40... Kf6 { [%eval 5.19] } 41. Bb5 { [%eval 5.16] [%clk 0:00:13] } 41... Ke7 { [%eval 5.35] } 42. Bc4 { [%eval 5.13] [%clk 0:00:15] } 42... f6 { [%eval 5.26] [%clk 0:00:07] } 43. Bd3 { [%eval 5.21] [%clk 0:00:14] } 43... Nd6 { [%eval 5.49] [%clk 0:00:08] } 44. Kf1 { [%eval 5.59] [%clk 0:00:15] } 44... Ke6 { [%eval 5.63] [%clk 0:00:10] } 45. Ke2 { [%eval 5.53] [%clk 0:00:16] } 45... Kd5 { [%eval 5.6] } 46. Ke3 { [%eval 5.47] [%clk 0:00:16] } 46... Nc8 { [%eval 6.0] [%clk 0:00:11] } 47. Nd2 { [%eval 5.8] } 47... Nb6 { [%eval 6.15] [%clk 0:00:12] } 48. Bc2 { [%eval 6.09] [%clk 0:00:15] } 48... Kd6 { [%eval 5.87] [%clk 0:00:12] } 49. Bb3 { [%eval 6.28] [%clk 0:00:17] } 49... Nd7 { [%eval 6.12] [%clk 0:00:12] } 50. Bf7 { [%eval 6.03] [%clk 0:00:18] } 50... Nf8 { [%eval 5.88] [%clk 0:00:13] } 51. Kd3 { [%eval 5.67] [%clk 0:00:19] } 51... Ke7 { [%eval 5.6] } 52. Bc4 { [%eval 5.36] [%clk 0:00:20] } 52... g5 { [%eval 5.38] [%clk 0:00:15] } 53. Nf3 { [%eval 5.38] [%clk 0:00:20] } 53... g4 { [%eval 6.52] [%clk 0:00:14] } 54. Ne1 { [%eval 6.32] [%clk 0:00:20] } 54... Ng6 { [%eval 7.3] [%clk 0:00:15] } 55. Ng2 { [%eval 6.98] [%clk 0:00:21] } 55... Kd6 { [%eval 7.47] [%clk 0:00:15] } 56. Nf4 { [%eval 7.22] [%clk 0:00:22] } 1-0