[Event "U.S. Open Championship and Tournament of State Champions 2024"]
[Site "Norfolk, Virginia"]
[Date "2024.07.27"]
[Round "01"]
[White "Vishal, Vyas"]
[Black "Chakrabarti, Brejesh"]
[Result "0-1"]
[WhiteElo "1935"]
[BlackElo "2350"]
[TimeControl "5400+30"]
[Variant "Standard"]
[ECO "B36"]
[Opening "Sicilian Defense: Accelerated Dragon, Maróczy Bind"]
[StudyName "2024 Tournaments of State Champions"]
[ChapterName "Vishal, Vyas - Chakrabarti, Brejesh"]
[ChapterURL "https://lichess.org/study/2q59AWVe/dwUKdO5r"]
[Annotator "https://lichess.org/@/ChessLifeOnline"]
[Orientation "white"]
1. e4 { [%clk 1:30:57] } 1... c5 { [%clk 1:30:59] } 2. Nf3 { [%clk 1:31:21] } 2... Nc6 { [%clk 1:31:21] } 3. d4 { [%clk 1:31:47] } 3... cxd4 { [%clk 1:31:46] } 4. Nxd4 { [%clk 1:32:13] } 4... g6 { [%clk 1:32:00] } 5. c4 { [%clk 1:32:37] } 5... Nf6 { [%clk 1:32:18] } 6. Nc3 { [%clk 1:33:01] } 6... d6 { [%clk 1:32:38] } 7. Be2 { [%clk 1:33:12] } 7... Nxd4 { [%clk 1:32:41] } 8. Qxd4 { [%clk 1:33:36] } 8... Bg7 { [%clk 1:33:08] } 9. Be3 { [%clk 1:33:45] } 9... O-O { [%clk 1:33:32] } 10. Qd2 { [%clk 1:33:17] } 10... Be6 { [%clk 1:32:29] } 11. f3 { [%clk 1:32:20] } 11... Qa5 { [%clk 1:20:42] } 12. Rc1 { [%clk 1:31:44] } 12... Rfc8 { [%clk 1:20:31] } 13. b3 { [%clk 1:31:55] } 13... a6 { [%clk 1:19:46] } 14. Nd5 { [%clk 1:18:11] } 14... Qxd2+ { [%clk 1:18:50] } 15. Kxd2 { [%clk 1:18:31] } 15... Nxd5 { [%clk 1:18:53] } 16. cxd5 { [%clk 1:18:28] } 16... Bd7 { [%clk 1:19:16] } 17. Rxc8+ { [%clk 1:14:07] } 17... Rxc8 { [%clk 1:19:30] } 18. Rc1 { [%clk 1:14:32] } 18... Rxc1 { [%clk 1:19:08] } 19. Kxc1 { [%clk 1:14:56] } 19... f5 { [%clk 1:18:43] } 20. g4 { [%clk 1:02:37] } 20... fxg4 { [%clk 1:11:47] } 21. fxg4 { [%clk 1:02:51] } 21... Be5 { [%clk 1:07:47] } 22. h3 { [%clk 1:00:19] } 22... Kf7 { [%clk 1:06:28] } 23. a4 { [%clk 0:59:52] } 23... Kg7 { [%clk 1:04:54] } 24. Kc2 { White has played well to keep Black from gaining any advantage out of the opening. The weak light-squared pawns on both flanks could be an issue for White, but it's hard to see how Black can open the board enough to exploit this.
Over the next 20 moves, Black just slowly improves the position and tries to create opportunities for White to let Black's pieces in. } { [%clk 0:58:56] } 24... Kf7 { [%clk 1:00:48] } 25. Kd3 { [%clk 0:55:24] } 25... Bb2 { [%clk 0:42:49] } 26. h4 { [%clk 0:48:42] } 26... Be5 { [%clk 0:38:18] } 27. Bf2 { [%clk 0:45:33] } 27... Bf4 { [%clk 0:32:51] } 28. Bd1 { [%clk 0:41:30] } 28... Kg7 { [%clk 0:26:02] } 29. b4 { [%clk 0:40:25] } 29... Kf7 { [%clk 0:24:52] } 30. Be1 { [%clk 0:39:55] } 30... Be8 { [%clk 0:23:18] } 31. Bf2 { [%clk 0:40:02] } 31... Be5 { [%clk 0:21:43] } 32. Be1 { [%clk 0:39:51] } 32... Bd7 { [%clk 0:21:30] } 33. Bf2 { [%clk 0:39:55] } 33... Kf6 { [%clk 0:21:37] } 34. Bd4 { [%clk 0:36:36] } 34... h6 { [%clk 0:21:54] } 35. Ke3 { [%clk 0:36:23] } 35... g5 { [%clk 0:20:20] } 36. h5 { [%clk 0:36:38] } 36... Be8 { [%clk 0:16:48] } 37. a5 { [%clk 0:36:03] } 37... Bb5 { [%clk 0:16:40] } 38. Bf3 { [%clk 0:35:38] } 38... Bc4 { [%clk 0:16:01] } 39. Bd1 { [%clk 0:34:42] } 39... e6 { [%clk 0:15:09] } 40. Bf3 { [%clk 0:34:51] } 40... Ba2 { [%clk 0:13:03] } 41. Bg2 { [%clk 0:34:22] } 41... Bb3 { [%clk 0:13:11] } 42. Bf3 { [%clk 0:34:21] } 42... Bc4 { White has held the equal endgame for quite some time, but the path to holding on is narrowing. } { [%clk 0:13:37] } 43. Bg2?! { It was time to liquidate. } { [%clk 0:31:14] } (43. Bxe5+ Kxe5 44. dxe6 Bxe6 45. Be2 $10) 43... exd5 { [%clk 0:12:54] } 44. exd5? { There was actually still a way to hold on, but it would require incredible sensitivity to find it. } { [%clk 0:31:32] } (44. Bf3! { is best. } 44... Ke6 (44... dxe4? 45. Bxe4 d5 { saves the b7-pawn, however } 46. Bf5 { Black will have to retreat in order to hold onto it! } 46... Bb5 47. Bc8 Bc6 48. Kd3 Bb5+ 49. Ke3 Bxd4+ 50. Kxd4 Bc6 51. Bf5 $13 { should hold with Black's light-squared bishop being so ugly and White's king firmly blockading the extra pawn on a dark square. })) 44... Bxd4+ { [%clk 0:13:08] } 45. Kxd4 { [%clk 0:31:57] } 45... Be2 { [%clk 0:13:34] } 46. Bh3 { [%clk 0:32:22] } 46... Bf3 { In contrast to the above lines, here Black's light-squared bishop is a monster, and it is White's who is stuck on short diagonals desperately defending vulnerable pawns.
In other words: the key to evaluating who is winning (or holding) a minor piece endgame is often just a function of evaluating whose pieces are stuck defending and whose are active! } { [%clk 0:13:58] } 47. Ke3 { [%clk 0:30:04] } 47... Bxd5 { Black wins from here. } { [%clk 0:14:16] } 48. Bf1 { [%clk 0:30:21] } 48... Ke5 { [%clk 0:14:15] } 49. b5 { [%clk 0:29:35] } 49... axb5 { [%clk 0:14:03] } 50. Bxb5 { [%clk 0:30:00] } 50... Be4 { [%clk 0:14:07] } 51. a6 { [%clk 0:28:51] } 51... bxa6 { [%clk 0:14:27] } 52. Bxa6 { [%clk 0:29:18] } 52... d5 { [%clk 0:14:51] } 53. Bc8 { [%clk 0:26:52] } 53... d4+ { [%clk 0:15:12] } 54. Kf2 { [%clk 0:27:14] } 54... Kf4 { [%clk 0:15:35] } 55. Be6 { [%clk 0:27:09] } 55... Bf3 { [%clk 0:15:55] } 56. Bd7 { [%clk 0:27:36] } 56... Bxg4 { [%clk 0:16:08] } 57. Bxg4 { [%clk 0:28:02] } 57... Kxg4 { [%clk 0:16:30] } 58. Kg2 { [%clk 0:28:30] } 58... d3 { [%clk 0:16:45] } 59. Kh2 { [%clk 0:28:53] } 59... d2 { [%clk 0:17:11] } 60. Kg2 { [%clk 0:29:18] } 60... d1=Q { [%clk 0:17:34] } 61. Kh2 { [%clk 0:29:40] } 61... Kf3 { [%clk 0:16:57] } 62. Kh3 { [%clk 0:30:02] } 62... Qh1# { 0-1 Black wins. } { [%clk 0:17:14] } 0-1