Event: Round 4: Donchenko, Alexander - Sonnenschein, Philipp
Date: 2024-09-28
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2638
Black: Sonnenschein, Philipp
BlackTitle: CM
BlackElo: 2159
Result: 1/2-1/2
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard

1. Nf3 { [%eval 0.17] [%clk 0:03:03] } 1... Nf6 { [%eval 0.18] [%clk 0:03:03] } 2. g3 { [%eval 0.11] [%clk 0:03:04] } 2... g6 { [%eval 0.17] [%clk 0:03:04] } 3. Bg2 { [%eval 0.13] [%clk 0:03:05] } 3... Bg7 { [%eval 0.15] [%clk 0:03:04] } 4. O-O { [%eval 0.09] [%clk 0:03:06] } 4... O-O { [%eval 0.23] [%clk 0:03:05] } 5. d4 { [%eval 0.09] [%clk 0:03:07] } 5... d6 { [%eval 0.28] [%clk 0:03:05] } 6. b3 { [%eval 0.04] [%clk 0:03:08] } 6... c5 { [%eval 0.27] [%clk 0:03:03] } 7. c4 { [%eval 0.16] [%clk 0:03:09] } 7... Ne4 { [%eval 0.39] [%clk 0:02:58] } 8. Bb2 { [%eval 0.51] [%clk 0:03:10] } 8... Nc6 { [%eval 0.43] [%clk 0:02:51] } 9. Nbd2 { [%eval 0.28] [%clk 0:03:07] } 9... Bf5 { [%eval 0.26] [%clk 0:02:30] } 10. e3 { [%eval -0.04] [%clk 0:03:04] } 10... Qa5 { [%eval -0.01] [%clk 0:02:27] } 11. Nxe4 { [%eval -0.04] [%clk 0:01:53] } 11... Bxe4 { [%eval 0.0] [%clk 0:02:28] } 12. Re1 { [%eval -0.18] [%clk 0:01:37] } 12... Rad8 { [%eval -0.13] [%clk 0:02:22] } 13. Qe2 { [%eval -0.35] [%clk 0:01:26] } 13... Nb4 { [%eval 0.16] [%clk 0:01:58] } 14. Bc3 { [%eval 0.2] [%clk 0:01:10] } 14... Qb6 { [%eval 0.35] [%clk 0:01:59] } 15. Rad1 { [%eval 0.04] [%clk 0:00:50] } 15... Rfe8 { [%eval 0.31] [%clk 0:01:45] } 16. Ng5 { [%eval 0.06] [%clk 0:00:46] } 16... Bxg2 { [%eval 0.11] [%clk 0:01:41] } 17. Kxg2 { [%eval 0.13] [%clk 0:00:47] } 17... Nc6 { [%eval 0.16] [%clk 0:01:10] } 18. dxc5 { [%eval 0.1] [%clk 0:00:36] } 18... dxc5 { [%eval 0.12] [%clk 0:01:03] } 19. Bxg7 { [%eval 0.0] [%clk 0:00:37] } 19... Kxg7 { [%eval 0.01] [%clk 0:01:04] } 20. Qb2+ { [%eval 0.0] [%clk 0:00:38] } 20... Kg8 { [%eval 0.02] [%clk 0:01:03] } 21. Ne4 { [%eval 0.0] [%clk 0:00:35] } 21... Nb4 { [%eval 0.0] [%clk 0:00:58] } 22. Qe2 { [%eval -0.03] [%clk 0:00:25] } 22... Qc6 { [%eval 0.01] [%clk 0:00:49] } 23. f3 { [%eval 0.01] [%clk 0:00:26] } 23... f5 { [%eval 0.16] [%clk 0:00:43] } 24. Nc3 { [%eval 0.21] [%clk 0:00:23] } 24... a6? { [%eval 1.85] } { Mistake. Qe6 was best. } { [%clk 0:00:33] } 25. a3 { [%eval 2.03] [%clk 0:00:20] } 25... Qf6 { [%eval 1.97] [%clk 0:00:30] } 26. Na4 { [%eval 1.86] [%clk 0:00:19] } 26... Nc6 { [%eval 1.93] [%clk 0:00:20] } 27. Nxc5 { [%eval 1.93] [%clk 0:00:20] } 27... Qc3 { [%eval 1.95] [%clk 0:00:18] } 28. Rd3?? { [%eval -2.37] } { Blunder. Rc1 was best. } { [%clk 0:00:12] } 28... Qe5?? { [%eval 2.67] } { Blunder. Rxd3 was best. } { [%clk 0:00:15] } 29. b4?! { [%eval 1.74] } { Inaccuracy. Nd7 was best. } { [%clk 0:00:08] } 29... Na5? { [%eval 3.84] } { Mistake. Rxd3 was best. } { [%clk 0:00:11] } 30. Nd7? { [%eval 2.34] } { Mistake. Red1 was best. } { [%clk 0:00:08] } 30... Qc7 { [%eval 2.22] [%clk 0:00:12] } 31. Nc5 { [%eval 2.37] [%clk 0:00:05] } 31... Rxd3 { [%eval 2.31] [%clk 0:00:11] } 32. Qxd3 { [%eval 1.95] [%clk 0:00:07] } 32... Nc6?! { [%eval 3.16] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:12] } 33. Qd5+ { [%eval 3.19] [%clk 0:00:08] } 33... Kh8 { [%eval 3.23] [%clk 0:00:12] } 34. Ne6 { [%eval 3.07] [%clk 0:00:08] } 34... Qc8? { [%eval 5.3] } { Mistake. Qe5 was best. } { [%clk 0:00:11] } 35. Rd1 { [%eval 4.74] [%clk 0:00:08] } 35... Nb8?? { [%eval #2] } { Checkmate is now unavoidable. Qb8 was best. } { [%clk 0:00:08] } 36. c5?? { [%eval 5.13] } { Lost forced checkmate sequence. Qd4+ was best. } { [%clk 0:00:09] } 36... Nd7?! { [%eval 7.43] } { Inaccuracy. Nc6 was best. } { [%clk 0:00:09] } 37. Qd4+? { [%eval 3.75] } { Mistake. Qxd7 was best. } { [%clk 0:00:10] } 37... Nf6 { [%eval 4.0] [%clk 0:00:10] } 38. Qe5 { [%eval 3.86] [%clk 0:00:11] } 38... Kg8 { [%eval 3.77] } 39. h4 { [%eval 3.93] [%clk 0:00:12] } 39... Qc6 { [%eval 3.62] [%clk 0:00:10] } 40. Nf4?? { [%eval 1.47] } { Blunder. Rd2 was best. } { [%clk 0:00:08] } 40... Qa4 { [%eval 1.63] [%clk 0:00:11] } 41. Qe6+ { [%eval 1.55] [%clk 0:00:06] } 41... Kg7 { [%eval 1.25] [%clk 0:00:11] } 42. Rd3?! { [%eval 0.41] } { Inaccuracy. Rd2 was best. } { [%clk 0:00:06] } 42... Qc2+ { [%eval 0.63] [%clk 0:00:12] } 43. Kh3?? { [%eval -2.26] } { Blunder. Kf1 was best. } { [%clk 0:00:08] } 43... Qf2 { [%eval -2.4] [%clk 0:00:11] } 44. e4 { [%eval -2.22] [%clk 0:00:04] } 44... Qf1+ { [%eval -2.19] [%clk 0:00:12] } 45. Kh2 { [%eval -2.17] [%clk 0:00:05] } 45... Qf2+?? { [%eval 0.0] } { Blunder. fxe4 was best. } { [%clk 0:00:11] } 46. Ng2 { [%eval 0.0] [%clk 0:00:06] } 46... fxe4 { [%eval 0.0] [%clk 0:00:11] } 47. fxe4 { [%eval 0.0] [%clk 0:00:07] } 47... h5 { [%eval 0.0] [%clk 0:00:11] } 48. Rd7?? { [%eval -7.39] } { Blunder. Rd1 was best. } { [%clk 0:00:05] } 48... Ng4+ { [%eval -7.14] [%clk 0:00:11] } 49. Kh3? { [%eval #-13] } { Checkmate is now unavoidable. Qxg4 was best. } { [%clk 0:00:06] } 49... Qg1 { [%eval #-12] [%clk 0:00:09] } 50. Rxe7+ { [%eval #-12] [%clk 0:00:06] } 50... Rxe7?? { [%eval 0.0] } { Lost forced checkmate sequence. Kh6 was best. } { [%clk 0:00:11] } 51. Qxe7+ { [%eval 0.0] [%clk 0:00:08] } 51... Kg8 { [%eval 0.0] [%clk 0:00:11] } 52. Qe8+ { [%eval 0.0] [%clk 0:00:08] } 52... Kg7 { [%eval 0.0] [%clk 0:00:12] } 53. Qe7+ { [%eval 0.0] [%clk 0:00:08] } 53... Kg8 { [%eval 0.0] [%clk 0:00:13] } 54. Qe8+ { [%eval 0.0] [%clk 0:00:05] } 54... Kg7 { [%eval 0.0] [%clk 0:00:14] } 1/2-1/2