Event: Round 3: Derek Sachs - Tim Bogenschutz
Date: 2025-06-29
White: Derek Sachs
Black: Tim Bogenschutz
Result: 1-0
ECO: A89
Opening: Dutch Defense: Leningrad Variation, Matulovic Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... f5 { [%eval 0.47] [%clk 1:30:55] } 2. g3 { [%eval 0.44] [%clk 1:30:23] } 2... g6 { [%eval 0.62] [%clk 1:31:12] } 3. Bg2 { [%eval 0.5] [%clk 1:30:45] } 3... Bg7 { [%eval 0.53] [%clk 1:31:35] } 4. Nf3 { [%eval 0.58] [%clk 1:26:14] } 4... Nf6 { [%eval 0.47] [%clk 1:31:57] } 5. O-O { [%eval 0.42] [%clk 1:26:03] } 5... O-O { [%eval 0.47] [%clk 1:32:15] } 6. c4 { [%eval 0.41] [%clk 1:25:25] } 6... d6 { [%eval 0.49] [%clk 1:32:31] } 7. Nc3 { [%eval 0.5] [%clk 1:23:30] } 7... Nc6 { [%eval 0.73] [%clk 1:31:47] } 8. d5 { [%eval 0.81] [%clk 1:18:29] } 8... Ne5 { [%eval 0.75] [%clk 1:31:23] } 9. Nxe5 { [%eval 0.81] [%clk 1:17:33] } 9... dxe5 { [%eval 0.85] [%clk 1:31:43] } 10. e4 { [%eval 0.67] [%clk 1:15:12] } 10... e6 { [%eval 0.76] [%clk 1:31:32] } 11. Bg5 { [%eval 0.29] [%clk 0:53:51] } 11... h6 { [%eval 0.46] [%clk 1:26:12] } 12. Be3 { [%eval 0.13] [%clk 0:45:55] } 12... exd5 { [%eval 0.1] [%clk 0:50:48] } 13. exd5 { [%eval -0.01] [%clk 0:41:20] } 13... Qe7 { [%eval 0.21] [%clk 0:36:46] } 14. Na4 { [%eval -0.27] [%clk 0:30:07] } 14... Rd8 { [%eval -0.01] [%clk 0:32:53] } 15. Bc5 { [%eval -0.29] [%clk 0:25:46] } 15... Qf7 { [%eval -0.3] [%clk 0:32:43] } 16. Nc3 { [%eval -0.4] [%clk 0:25:54] } 16... e4 { [%eval 0.13] [%clk 0:30:31] } 17. f3 { [%eval 0.19] [%clk 0:25:11] } 17... exf3 { [%eval 0.11] [%clk 0:29:46] } 18. Qxf3 { [%eval -0.22] [%clk 0:21:44] } 18... Bf8?! { [%eval 0.61] } { Inaccuracy. Nd7 was best. } { [%clk 0:29:40] } 19. Bd4 { [%eval 0.17] [%clk 0:20:06] } 19... Bd7 { [%eval 0.64] [%clk 0:28:56] } 20. Rfd1?! { [%eval -0.24] } { Inaccuracy. c5 was best. } { [%clk 0:17:05] } 20... a6?! { [%eval 0.58] } { Inaccuracy. c5 was best. } { [%clk 0:25:46] } 21. Kh1?! { [%eval -0.23] } { Inaccuracy. c5 was best. } { [%clk 0:14:22] } 21... Rac8?! { [%eval 0.35] } { Inaccuracy. c5 was best. } { [%clk 0:25:17] } 22. c5 { [%eval 0.32] [%clk 0:13:56] } 22... Kh7 { [%eval 0.44] [%clk 0:24:17] } 23. Rab1 { [%eval 0.32] [%clk 0:13:11] } 23... Re8 { [%eval 0.33] [%clk 0:20:54] } 24. b4 { [%eval 0.35] [%clk 0:12:31] } 24... Ne4 { [%eval 0.44] [%clk 0:18:38] } 25. Rbc1 { [%eval 0.35] [%clk 0:11:15] } 25... Bb5 { [%eval 0.72] [%clk 0:14:11] } 26. Nxb5 { [%eval 0.27] [%clk 0:09:33] } 26... axb5 { [%eval 0.35] [%clk 0:14:31] } 27. Qb3 { [%eval 0.13] [%clk 0:09:40] } 27... Rcd8 { [%eval 0.12] [%clk 0:13:19] } 28. Bg1 { [%eval 0.01] [%clk 0:09:10] } 28... Qe7?! { [%eval 0.7] } { Inaccuracy. h5 was best. } { [%clk 0:08:04] } 29. Re1?! { [%eval 0.14] } { Inaccuracy. g4 was best. } { [%clk 0:07:08] } 29... Qe5 { [%eval 0.57] [%clk 0:07:31] } 30. Rcd1 { [%eval 0.57] [%clk 0:07:21] } 30... Bg7 { [%eval 0.68] [%clk 0:05:38] } 31. Qd3?! { [%eval 0.0] } { Inaccuracy. g4 was best. } { [%clk 0:06:15] } 31... Qc3 { [%eval 0.0] [%clk 0:05:13] } 32. Bxe4 { [%eval 0.0] [%clk 0:04:55] } 32... fxe4 { [%eval 0.0] [%clk 0:05:23] } 33. Qxc3 { [%eval 0.01] [%clk 0:04:55] } 33... Bxc3 { [%eval 0.04] [%clk 0:05:44] } 34. Re3 { [%eval 0.0] [%clk 0:04:27] } 34... Bxb4 { [%eval 0.21] [%clk 0:05:44] } 35. Rb3 { [%eval 0.11] [%clk 0:04:44] } 35... Ba5 { [%eval 0.21] [%clk 0:04:36] } 36. Rxb5 { [%eval 0.21] [%clk 0:05:08] } 36... b6 { [%eval 0.14] [%clk 0:04:05] } 37. cxb6 { [%eval 0.0] [%clk 0:05:01] } 37... Bxb6 { [%eval 0.08] [%clk 0:03:44] } 38. Bxb6 { [%eval 0.04] [%clk 0:05:13] } 38... cxb6 { [%eval 0.0] [%clk 0:04:13] } 39. Rxb6 { [%eval 0.14] [%clk 0:03:50] } 39... e3 { [%eval 0.0] [%clk 0:04:37] } 40. d6 { [%eval 0.0] [%clk 0:03:34] } 40... e2 { [%eval 0.0] [%clk 0:04:13] } 41. Re1 { [%eval 0.03] [%clk 0:04:03] } 41... Kg7?! { [%eval 1.13] } { Inaccuracy. Re6 was best. } { [%clk 0:03:34] } 42. Kg2 { [%eval 0.75] [%clk 0:03:53] } 42... Re6 { [%eval 1.19] [%clk 0:03:45] } 43. Rb7+? { [%eval 0.07] } { Mistake. a4 was best. } { [%clk 0:03:46] } 43... Kf6 { [%eval 0.06] [%clk 0:03:59] } 44. d7 { [%eval 0.07] [%clk 0:03:14] } 44... Ke7 { [%eval 0.0] [%clk 0:04:00] } 45. Kf2 { [%eval 0.0] [%clk 0:03:07] } 45... Rf8+ { [%eval 0.0] [%clk 0:03:52] } 46. Kg2 { [%eval 0.0] [%clk 0:03:32] } 46... Ra8 { [%eval 0.0] [%clk 0:03:24] } 47. Rb2 { [%eval 0.0] [%clk 0:03:19] } 47... Kxd7 { [%eval 0.0] [%clk 0:02:41] } 48. Rbxe2 { [%eval 0.0] [%clk 0:01:38] } 48... Rxe2+ { [%eval 0.0] [%clk 0:02:52] } 49. Rxe2 { [%eval 0.0] [%clk 0:02:07] } 49... Ra3 { [%eval 0.0] [%clk 0:03:14] } 50. Kf2 { [%eval 0.0] [%clk 0:02:19] } 50... Kd6 { [%eval 0.0] [%clk 0:03:33] } 51. Ke1 { [%eval 0.0] [%clk 0:02:16] } 51... Kd5 { [%eval 0.0] [%clk 0:03:46] } 52. Kd1 { [%eval 0.0] [%clk 0:02:33] } 52... h5 { [%eval 0.0] [%clk 0:02:22] } 53. Kc1 { [%eval 0.0] [%clk 0:02:56] } 53... g5 { [%eval 0.0] [%clk 0:02:39] } 54. Kb2 { [%eval 0.0] [%clk 0:03:06] } 54... Rf3 { [%eval 0.0] [%clk 0:02:27] } 55. Rc2 { [%eval 0.0] [%clk 0:02:23] } 55... h4 { [%eval 0.0] [%clk 0:02:30] } 56. gxh4 { [%eval 0.0] [%clk 0:01:08] } 56... gxh4 { [%eval 0.0] [%clk 0:02:59] } 57. a4 { [%eval 0.01] [%clk 0:01:09] } 57... Ke5 { [%eval 0.0] [%clk 0:02:29] } 58. a5 { [%eval 0.0] [%clk 0:01:23] } 58... Kf5?? { [%eval 5.14] } { Blunder. Kd5 was best. } { [%clk 0:02:31] } 59. a6 { [%eval 5.07] [%clk 0:00:48] } 59... Kg4 { [%eval 5.76] [%clk 0:02:29] } 60. Rc4+ { [%eval 5.95] [%clk 0:00:49] } 60... Kh3?? { [%eval #14] } { Checkmate is now unavoidable. Kg5 was best. } { [%clk 0:02:41] } 61. Rc3 { [%eval #13] [%clk 0:00:45] } 61... Rxc3 { [%eval #13] [%clk 0:02:32] } 62. Kxc3 { [%eval #12] [%clk 0:01:14] } 62... Kxh2 { [%eval #12] [%clk 0:02:55] } 63. a7 { [%eval #11] [%clk 0:01:42] } 63... h3 { [%eval #11] [%clk 0:03:04] } 64. a8=Q { [%eval #10] [%clk 0:02:09] } 64... Kg1 { [%eval #10] [%clk 0:03:04] } 65. Qa1+ { [%eval #10] [%clk 0:01:53] } 65... Kg2 { [%eval #10] [%clk 0:03:05] } 66. Qb2+ { [%eval #10] [%clk 0:02:15] } 66... Kg1 { [%eval #5] [%clk 0:02:43] } 67. Qc1+ { [%eval #9] [%clk 0:02:40] } 67... Kg2 { [%eval #9] [%clk 0:02:53] } 68. Qd1?? { [%eval 0.0] } { Lost forced checkmate sequence. Qg5+ was best. } { [%clk 0:00:05] } 68... Kh2?? { [%eval #5] } { Checkmate is now unavoidable. h2 was best. } { [%clk 0:00:00] } 69. Qd2+ { [%eval #9] [%clk 0:03:03] } 1-0