[Event "TePe Sigeman & Co Chess Tournament"] [Site "Malmo, Elite Plaza Hotel, Sweden"] [Date "2023.05.06"] [Round "3.3"] [White "Keymer, Vincent"] [Black "Mishra, Abhimanyu"] [Result "0-1"] [WhiteElo "2700"] [WhiteTitle "GM"] [WhiteFideId "12940690"] [BlackElo "2550"] [BlackTitle "GM"] [BlackFideId "30920019"] [TimeControl "90 minutes for 40 moves and then 30 minutes for the remaining moves with 30 seconds cumulative inc."] [Annotator "Lang, JJ"] [Variant "Standard"] [ECO "D30"] [Opening "Semi-Slav Defense: Quiet Variation"] [Source "https://lichess.org/study/saUXwgsa/AAN4FXlX"] [Orientation "white"] 1. c4 { [%eval 0.23] [%clk 1:30:54] } 1... c6 { [%eval 0.27] [%clk 1:30:55] } 2. Nf3 { [%eval 0.25] [%clk 1:31:20] } 2... d5 { [%eval 0.37] [%clk 1:31:20] } 3. e3 { [%eval 0.27] [%clk 1:31:46] } 3... Nf6 { [%eval 0.13] [%clk 1:31:37] } 4. d4 { [%eval 0.24] [%clk 1:32:11] } 4... e6 { [%eval 0.42] [%clk 1:31:46] } 5. Nbd2 { [%eval 0.29] [%clk 1:32:36] } 5... Be7 { [%eval 0.23] [%clk 1:31:00] } 6. b3 { [%eval 0.26] [%clk 1:33:02] } 6... O-O { [%eval 0.28] [%clk 1:30:10] } 7. Bb2 { [%eval 0.32] [%clk 1:33:28] } 7... Nbd7 { [%eval 0.37] [%clk 1:29:25] } 8. Bd3 { [%eval 0.39] [%clk 1:33:53] } 8... b6 { [%eval 0.38] [%clk 1:24:55] } 9. e4 { [%eval 0.19] } { Typically, White castles before opening the center. This allows Black to equalize. } { [%clk 1:26:12] } 9... dxe4 { [%eval 0.14] [%clk 1:23:12] } 10. Nxe4 { [%eval 0.13] [%clk 1:26:32] } 10... Bb7 { [%eval 0.28] [%clk 1:19:16] } 11. Qe2 { [%eval 0.11] [%clk 1:21:52] } 11... c5 { [%eval 0.22] [%clk 1:05:16] } 12. O-O-O { [%eval 0.2] } { Now we see Keymer's intentions, creating an imbalanced position. } { [%clk 1:15:23] } 12... Qc7 { [%eval 0.1] [%clk 1:03:01] } 13. Kb1 { [%eval 0.26] [%clk 1:11:14] } 13... Nxe4 { [%eval 0.16] [%clk 0:54:26] } 14. Bxe4 { [%eval 0.18] [%clk 1:11:23] } 14... Nf6 { [%eval 1.27] [%clk 0:54:15] } (14... Bxe4+ { seems simpler, as it routes the knight to f6 with tempo. } 15. Qxe4 Nf6 16. Qe5 Qb7 { and White has nothing better than } 17. dxc5 Bxc5 18. Qg3 $10) 15. Bc2 { [%eval 0.6] [%clk 1:03:15] } (15. Bxb7) 15... cxd4 { [%eval 0.76] [%clk 0:47:21] } 16. Nxd4 { [%eval 0.34] [%clk 1:00:01] } 16... Rad8 { [%eval 0.39] [%clk 0:45:37] } 17. f3 { [%eval 0.42] [%clk 0:53:04] } 17... a6 { [%eval 0.36] [%clk 0:43:27] } 18. g4 { [%eval 0.35] [%clk 0:42:59] } 18... Bc5 { [%eval 0.34] [%clk 0:36:18] } 19. Rd3 { [%eval 0.43] [%clk 0:35:22] } 19... b5 { [%eval 0.54] [%clk 0:31:37] } 20. Rhd1?! { [%eval 0.12] [%clk 0:32:37] } (20. cxb5! { While this thematic break had been on Black's agenda since White castled long, the timing was not quite right. } 20... Nd5 (20... axb5? 21. Nxb5 Qf4 22. Be5 $16) 21. Rdd1! { White would have to appreciate this subtle move, defanging Black's artificial knight. } 21... Nb4 22. Be4 Bxe4+ 23. Qxe4 $16) 20... bxc4 { [%eval 0.22] [%clk 0:27:09] } 21. bxc4 { [%eval 0.24] [%clk 0:33:03] } 21... Bxd4?! { [%eval 1.09] } { These simplifications favor White's open pieces, despite the weakened pawn structure. } { [%clk 0:19:58] } 22. Rxd4 { [%eval 0.91] [%clk 0:32:37] } 22... Rxd4 { [%eval 0.88] [%clk 0:19:48] } 23. Rxd4 { [%eval 1.1] [%clk 0:33:02] } 23... Rb8 { [%eval 1.57] [%clk 0:14:21] } 24. g5 { [%eval 1.54] [%clk 0:25:44] } 24... Qb6 { [%eval 1.53] [%clk 0:12:12] } 25. Qe5! { [%eval 1.41] } { White should be close to winning. } { [%clk 0:18:03] } 25... Bxf3 { [%eval 1.81] [%clk 0:06:52] } 26. Rd6 { [%eval 1.7] [%clk 0:13:29] } 26... Qg1+ { [%eval 1.7] [%clk 0:07:16] } 27. Rd1 { [%eval 1.76] [%clk 0:13:54] } 27... Qb6 { [%eval 3.76] [%clk 0:07:43] } (27... Qa7 28. gxf6) 28. Rd3?? { [%eval 1.0] [%clk 0:04:20] } (28. Rf1 { was objectively best: } 28... Ne8 29. c5! { As in the game, the idea hinged on this deflection. Black has nothing better than } (29. Rxf3?? Qg1+ $19) 29... Qxb2+ { and can resign after } (29... Qb7 30. Rxf3! Qxf3 31. Qxb8 $18) 30. Qxb2 Rxb2+ 31. Kxb2) (28. gxf6 { would keep some advantage after } 28... Bxd1 29. Bxd1 Rd8 30. Be2 { when the bishops should dominate the rook, but perhaps White was concerned about king safety. }) 28... Qg1+?! { [%eval 1.59] [%clk 0:05:45] } (28... Be4 { was the move that Black could not have played had White chosen 28. Rf1. } 29. c5 Qxb2+ 30. Qxb2 Rxb2+ 31. Kxb2 Bxd3 32. Bxd3 Nd5 33. Bxa6 { when White should be winning but has to prove it. }) (28... Ne8 { loses like above to } 29. c5 (29. Rxf3?? Qg1+ $19)) 29. Bd1? { [%eval 0.0] [%clk 0:03:49] } (29. Rd1! Qa7 (29... Bxd1?? 30. Qxb8+ Ne8 31. Qxe8#) 30. gxf6 Bxd1 31. Bxd1 Rd8 { should be winning for White. }) 29... Rc8 { [%eval 0.0] [%clk 0:03:44] } 30. Qc7?? { [%eval -2.22] } { White gets too clever. } { [%clk 0:02:44] } 30... Re8 { [%eval -2.32] } { and suddenly White has no time to attack due to the dual threats of ... Bf3xd1 and ... Bf3-e4. } { [%clk 0:03:05] } 31. Rd2 { [%eval -2.03] [%clk 0:00:34] } (31. Qd6?? Be4) 31... Bxd1 { [%eval -1.83] [%clk 0:01:33] } 32. gxf6 { [%eval -1.77] [%clk 0:00:58] } 32... Bh5+ { [%eval -2.03] [%clk 0:00:56] } 33. Bc1 { [%eval -3.65] [%clk 0:01:25] } (33. Kc2 gxf6 34. Rd8 Qf2+ 35. Kb3 Rxd8 36. Qxd8+ Kg7 37. Ba3 { should still win for Black after } 37... Qe3+ 38. Kb2 Qe2+ 39. Kc3 Qxh2) 33... Bg6+ { [%eval -3.07] [%clk 0:00:45] } 34. Kb2 { [%eval -2.81] [%clk 0:01:50] } 34... gxf6 $19 { [%eval -3.15] [%clk 0:00:58] } 35. h4 { [%eval -3.74] [%clk 0:00:34] } 35... Kg7 { [%eval -4.03] [%clk 0:00:49] } 36. c5 { [%eval -4.25] [%clk 0:00:34] } 36... Qg4 { [%eval -4.48] [%clk 0:00:46] } 37. Qb7 { [%eval -5.04] [%clk 0:00:36] } 37... Qf4 { [%eval -4.58] [%clk 0:00:41] } 38. Ka3 { [%eval -5.8] [%clk 0:00:32] } 38... Qc4 { [%eval -5.08] [%clk 0:00:46] } 39. Bb2 { [%eval -4.8] [%clk 0:00:43] } 39... Qxc5+ { [%eval -5.18] [%clk 0:01:05] } 40. Qb4 { [%eval -5.11] [%clk 0:01:09] } 40... Rc8 { [%eval -4.5] [%clk 0:00:42] } 41. Rd6 { [%eval -5.34] [%clk 0:24:35] } 41... a5 { [%eval -4.51] [%clk 0:24:43] } 42. Qxc5 { [%eval -4.25] [%clk 0:24:56] } 42... Rxc5 { [%eval -4.25] [%clk 0:25:10] } 43. Bd4 { [%eval -4.37] [%clk 0:25:17] } 43... Rc4 { [%eval -4.53] [%clk 0:24:19] } 44. Kb3 { [%eval -4.42] [%clk 0:24:39] } 44... Bd3 { [%eval -4.54] [%clk 0:24:02] } 45. h5 { [%eval -5.09] [%clk 0:22:24] } 45... a4+ { [%eval -4.97] [%clk 0:24:11] } 46. Ka3 { [%eval -5.15] [%clk 0:22:49] } 46... Be2 { [%eval -5.15] [%clk 0:23:52] } 47. h6+ { [%eval -5.24] [%clk 0:23:13] } 47... Kxh6 { [%eval -4.85] [%clk 0:24:03] } 48. Bxf6 { [%eval -4.96] [%clk 0:23:37] } 48... Kg6 { [%eval -4.93] [%clk 0:24:21] } 49. Be7 { [%eval -4.84] [%clk 0:23:58] } 49... h5 { [%eval -5.08] [%clk 0:23:15] } 50. Rd8 { [%eval -4.93] [%clk 0:24:18] } 50... Kg7 { [%eval -4.81] [%clk 0:22:11] } 51. Bf8+ { [%eval -4.72] [%clk 0:24:14] } 51... Kh7 { [%eval -4.82] [%clk 0:21:33] } 52. Be7 { [%eval -4.97] [%clk 0:23:19] } 52... h4 { [%eval -5.14] [%clk 0:20:56] } 53. Bf6 { [%eval -5.02] [%clk 0:23:29] } 53... Kg6 { [%eval -5.29] [%clk 0:20:48] } 54. Be7 { [%eval -5.46] [%clk 0:23:51] } 54... h3 { [%eval -5.18] [%clk 0:20:47] } 55. Rh8 { [%eval -5.34] [%clk 0:24:07] } 55... Bg4 { [%eval -5.37] [%clk 0:20:29] } 0-1