[Event "U.S. National Invitational Tournaments"] [Site "Grand Rapids"] [Date "2023.07.31"] [Round "04"] [White "Kraai, Jesse"] [Black "Managadze, Nikoloz"] [Result "1-0"] [WhiteElo "2452"] [BlackElo "2434"] [TimeControl "5400+30"] [Annotator "Davis Zong Jr"] [Variant "Standard"] [ECO "B23"] [Opening "Sicilian Defense: Closed, Traditional"] [Source "https://lichess.org/study/w2guu0Vb/SzbCsto2"] [Orientation "white"] 1. e4 { [%clk 1:30:50] } 1... c5 { [%clk 1:30:39] } 2. Nc3 { [%clk 1:31:15] } 2... Nc6 { [%clk 1:29:47] } 3. Bb5 { [%clk 1:31:35] } 3... e6 { [%clk 1:29:15] } 4. Bxc6 { [%clk 1:30:32] } 4... bxc6 { [%clk 1:28:48] } 5. Nf3 { [%clk 1:30:15] } 5... d5 { [%clk 1:18:53] } 6. d3 { [%clk 1:29:55] } 6... Nf6 { [%clk 1:18:38] } 7. O-O { [%clk 1:29:27] } 7... Ba6 { [%clk 1:14:06] } 8. e5 { [%clk 1:23:57] } 8... Nd7 { [%clk 1:14:20] } 9. Re1 { [%clk 1:23:54] } 9... h6 { [%clk 1:09:38] } 10. b3 { [%clk 1:16:12] } 10... Qc7 { [%clk 1:08:22] } 11. Na4 { [%clk 1:14:20] } 11... Nb6 { [%clk 1:07:04] } 12. Nxb6 { [%clk 1:13:36] } (12. Nb2 $14 { White should keep the a- and c-pawns apart. c5 remains a weakness in the Black position. }) 12... axb6 { [%clk 1:07:22] } 13. c4 { [%clk 1:13:43] } 13... Be7 { [%clk 1:01:30] } 14. Bf4 { [%clk 1:07:34] } 14... g5 { A daring gesture. Black commits to castling queenside and attacking the king! } { [%clk 0:53:13] } 15. Bg3 { [%clk 1:06:10] } 15... O-O-O { [%clk 0:52:14] } 16. Qe2 { [%clk 1:02:21] } 16... g4 { [%clk 0:42:11] } 17. Nd2 { [%clk 1:01:51] } 17... Rdg8 { [%clk 0:40:04] } 18. f3 { [%clk 1:00:34] } 18... h5 { [%clk 0:40:26] } 19. fxg4 { [%clk 1:00:08] } 19... Rxg4 { [%clk 0:39:19] } 20. Rf1 { [%clk 0:59:56] } 20... Bg5 { [%clk 0:37:45] } 21. Rf2 { [%clk 0:46:32] } 21... Rg8 { [%clk 0:26:29] } 22. Raf1 { [%clk 0:43:15] } 22... Rg7 { [%clk 0:26:54] } 23. Nf3 { [%clk 0:40:31] } 23... Bd8 { [%clk 0:27:16] } 24. Qe3 { [%clk 0:39:12] } 24... b5 { [%clk 0:24:32] } 25. cxd5 { [%clk 0:33:07] } 25... cxd5 { [%clk 0:24:58] } 26. Rc1 { [%clk 0:33:15] } 26... c4 { [%clk 0:20:04] } 27. Qh6 { [%clk 0:28:31] } 27... Qa7 { [%clk 0:16:51] } 28. d4 { [%clk 0:15:25] } 28... b4 { [%clk 0:17:17] } 29. Qxh5 { [%clk 0:14:59] } 29... c3 { [%clk 0:14:58] } 30. a3 { [%clk 0:12:33] } 30... Bd3 { [%clk 0:12:20] } 31. axb4 { [%clk 0:12:54] } 31... Kb8 { [%clk 0:11:17] } 32. Qh6 { [%clk 0:10:30] } 32... c2 { [%clk 0:11:18] } 33. Ne1 { [%clk 0:08:05] } 33... Qxd4 { [%clk 0:07:06] } 34. Nxd3 { [%clk 0:07:38] } 34... Qxd3 { [%clk 0:07:32] } 35. Rfxc2 { [%clk 0:06:54] } 35... Kb7 { [%clk 0:05:31] } 36. Rc3 { [%clk 0:05:21] } 36... Bb6+ { [%clk 0:02:48] } 37. Kh1 { [%clk 0:05:41] } 37... Qh7? { [%clk 0:03:11] } (37... Qf5 { Shouldering out White's queen from joining the attack } 38. Rc8 Qg5 39. Qh8 Rg8 40. Qxg8 Qxc1+ 41. Rxc1 Rxg8 42. Bf4 $16) 38. Qf6! $18 { Black's queen sets up a deadly pin, but White simply gives up the bishop and goes for mate! After Black's next move, it turns out that mate in five is inevitable. } { [%clk 0:04:49] } 38... Rxg3 { [%clk 0:00:52] } 39. Qe7+ { [%clk 0:04:51] } 39... Ka6 { [%clk 0:01:21] } 40. Ra1+ { [%clk 0:04:25] } 40... Kb5 { [%clk 0:01:51] } 41. Ra5+! { [%clk 0:04:39] } 41... Bxa5 { [%clk 0:01:40] } 42. Qc5+ { [%clk 0:04:59] } 42... Ka6 { [%clk 0:02:06] } 43. Qxa5+ { 1-0 White wins. } { [%clk 0:05:18] } 1-0