[Event "WCO"] [Site "Chennai, India"] [Date "2022.08.01"] [Round "4.12"] [White "Heidenfeld Mark"] [Black "Kollars Dmitrij"] [Result "0-1"] [WhiteElo "2355"] [BlackElo "2648"] [Board "14"] [Variant "Standard"] [ECO "C69"] [Opening "Ruy Lopez: Exchange Variation, Bronstein Variation"] [StudyName "Round 4"] [ChapterName "Heidenfeld Mark - Kollars Dmitrij"] [Orientation "white"] 1. e4 { [%eval 0.33] [%clk 1:30:54] } 1... e5 { [%eval 0.12] [%clk 1:30:45] } 2. Nf3 { [%eval 0.19] [%clk 1:31:10] } 2... Nc6 { [%eval 0.32] [%clk 1:31:10] } 3. Bb5 { [%eval 0.25] [%clk 1:31:09] } 3... a6 { [%eval 0.37] [%clk 1:31:14] } 4. Bxc6 { [%eval 0.0] [%clk 1:31:15] } 4... dxc6 { [%eval 0.0] [%clk 1:31:38] } 5. O-O { [%eval 0.07] [%clk 1:31:11] } 5... Qd6 { [%eval 0.0] [%clk 1:31:50] } 6. d3 { [%eval -0.12] [%clk 1:28:21] } 6... Ne7 { [%eval -0.16] [%clk 1:31:49] } 7. Nbd2 { [%eval -0.32] [%clk 1:27:48] } 7... f6 { [%eval -0.15] [%clk 1:31:44] } 8. Nc4 { [%eval -0.14] [%clk 1:27:05] } 8... Qe6 { [%eval 0.01] [%clk 1:32:01] } 9. Qe2?! { [%eval -0.62] } { Inaccuracy. b3 was best. } { [%clk 1:26:33] } (9. b3) 9... c5 { [%eval -0.54] [%clk 1:32:05] } 10. c3 { [%eval -0.17] [%clk 1:24:44] } 10... Nc6 { [%eval -0.54] [%clk 1:29:16] } 11. a3 { [%eval -0.62] [%clk 1:10:31] } 11... a5 { [%eval -0.47] [%clk 1:26:05] } 12. a4?! { [%eval -1.54] } { Inaccuracy. Rd1 was best. } { [%clk 1:06:35] } (12. Rd1 b6 13. Ne3 a4 14. d4 exd4 15. Nd5 Bd6 16. cxd4 Nxd4 17. Nxd4 cxd4 18. Bf4 c5) 12... b6 { [%eval -1.42] [%clk 1:21:00] } 13. Nh4 { [%eval -1.74] [%clk 1:04:28] } 13... Qg4? { [%eval -0.58] } { Mistake. Ba6 was best. } { [%clk 1:18:53] } (13... Ba6 14. Nf5 g6 15. Nfe3 O-O-O 16. Bd2 f5 17. Nd5 Ne7 18. Rfe1 Nxd5 19. exd5 Rxd5 20. Bf4) 14. Qxg4 { [%eval -0.54] [%clk 1:03:18] } 14... Bxg4 { [%eval -0.58] [%clk 1:19:17] } 15. f3 { [%eval -0.61] [%clk 0:59:07] } 15... Be6 { [%eval -0.51] [%clk 1:19:31] } 16. Be3?! { [%eval -1.07] } { Inaccuracy. Kf2 was best. } { [%clk 0:57:02] } (16. Kf2 g6 17. Ke2 O-O-O 18. g3 Bg7 19. Ng2 Rd7 20. b3 g5 21. Rb1 Rhd8 22. Ne1 g4) 16... O-O-O { [%eval -0.73] [%clk 1:16:53] } 17. Rfd1?! { [%eval -1.3] } { Inaccuracy. Rad1 was best. } { [%clk 0:57:19] } (17. Rad1 g6 18. Kf2 Be7 19. Ke2 f5 20. Bf2 Rhf8 21. b3 Rf7 22. h3 f4 23. Rg1 Kb8) 17... Rd7 { [%eval -0.9] [%clk 1:05:32] } 18. g3 { [%eval -1.11] [%clk 0:51:56] } 18... Be7 { [%eval -1.2] [%clk 0:54:29] } 19. Rd2 { [%eval -1.53] [%clk 0:51:20] } 19... g6 { [%eval -1.52] [%clk 0:53:26] } 20. Ng2 { [%eval -1.67] [%clk 0:46:53] } 20... f5 { [%eval -1.54] [%clk 0:52:27] } 21. Ne1 { [%eval -1.67] [%clk 0:44:25] } 21... Rf8 { [%eval -1.75] [%clk 0:46:48] } 22. exf5 { [%eval -2.11] [%clk 0:33:10] } 22... gxf5 { [%eval -2.05] [%clk 0:43:30] } 23. Re2 { [%eval -1.95] [%clk 0:15:12] } 23... Bf6 { [%eval -1.93] [%clk 0:40:13] } 24. Nd2 { [%eval -2.13] [%clk 0:10:23] } 24... h5?! { [%eval -1.24] } { Inaccuracy. Bf7 was best. } { [%clk 0:38:37] } (24... Bf7) 25. f4 { [%eval -1.11] [%clk 0:09:39] } 25... Bd5 { [%eval -1.36] [%clk 0:37:45] } 26. Nef3 { [%eval -1.11] [%clk 0:06:28] } 26... exf4 { [%eval -1.09] [%clk 0:24:29] } 27. Bxf4 { [%eval -1.27] [%clk 0:06:49] } 27... Bf7?! { [%eval -0.45] } { Inaccuracy. Bg8 was best. } { [%clk 0:24:53] } (27... Bg8) 28. Re3 { [%eval -0.41] [%clk 0:05:37] } 28... Rfd8 { [%eval -0.42] [%clk 0:22:37] } 29. Ne1?! { [%eval -1.21] } { Inaccuracy. Ng5 was best. } { [%clk 0:04:51] } (29. Ng5 Bxg5 30. Bxg5 Rxd3 31. Rxd3 Rxd3 32. Re1 Nd8 33. Re7 Rd7 34. Rxd7 Kxd7 35. Kf2 Ne6) 29... Ne7 { [%eval -1.19] [%clk 0:22:35] } 30. Nc4 { [%eval -1.25] [%clk 0:03:12] } 30... Ng6 { [%eval -1.55] [%clk 0:16:36] } 31. Ne5 { [%eval -1.78] [%clk 0:03:06] } 31... Bxe5 { [%eval -1.78] [%clk 0:16:04] } 32. Bxe5 { [%eval -1.63] [%clk 0:03:29] } 32... Re8 { [%eval -1.43] [%clk 0:16:33] } 33. Bf4?! { [%eval -2.06] } { Inaccuracy. d4 was best. } { [%clk 0:03:43] } (33. d4) 33... Nxf4 { [%eval -1.48] [%clk 0:16:32] } 34. Rxe8+ { [%eval -1.25] [%clk 0:04:08] } 34... Bxe8 { [%eval -1.15] [%clk 0:17:00] } 35. gxf4 { [%eval -1.21] [%clk 0:04:32] } 35... Rg7+ { [%eval -0.99] [%clk 0:17:14] } 36. Kf2 { [%eval -2.36] [%clk 0:04:50] } 36... Rg4 { [%eval -1.13] [%clk 0:16:08] } 37. Ng2?? { [%eval -4.65] } { Blunder. Ke3 was best. } { [%clk 0:02:35] } (37. Ke3 Rg1 38. Kf2 Rh1 39. Kg3 Rf1 40. Nc2 h4+ 41. Kxh4 Rxf4+ 42. Kg3 Rg4+ 43. Kf2 Bc6) 37... Bc6 { [%eval -4.5] [%clk 0:16:15] } 38. Ne3 { [%eval -5.17] [%clk 0:02:57] } 38... Rxf4+ { [%eval -5.08] [%clk 0:16:39] } 0-1