[Event "Round 5: Erigaisi Arjun - Andreikin, Dmitry"] [Site "https://lichess.org/study/kjS7yZRN/KnxtX7BE"] [Date "2024-10-24"] [Round "5.1"] [White "Erigaisi Arjun"] [Black "Andreikin, Dmitry"] [Result "1-0"] [WhiteElo "2797"] [WhiteTitle "GM"] [WhiteTeam "Alkaloid"] [WhiteFideId "35009192"] [BlackElo "2729"] [BlackTitle "GM"] [BlackTeam "Turkish Airlines"] [BlackFideId "4158814"] [Annotator "https://lichess.org/broadcast/-/-/kjS7yZRN"] [Variant "Standard"] [ECO "B12"] [Opening "Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense"] [StudyName "mysterious_expert's Study"] [ChapterName "Erigaisi Arjun - Andreikin, Dmitry"] [ChapterURL "https://lichess.org/study/p6SLutQ0/svofVZeb"] [Orientation "white"] 1. e4 { [%clk 1:28:25] } 1... c6 { [%clk 1:30:39] } 2. d4 { [%clk 1:28:45] } 2... d5 { [%clk 1:31:01] } 3. e5 { [%clk 1:29:10] } 3... c5 { [%clk 1:31:24] } 4. dxc5 { [%clk 1:29:26] } 4... e6 { [%clk 1:31:47] } 5. a3 { [%clk 1:29:51] } 5... Bxc5 { [%clk 1:31:55] } 6. Nf3 { [%clk 1:30:15] } 6... f6 { [%clk 1:31:36] } 7. b4 { [%clk 1:30:26] } 7... Be7 { [%clk 1:31:52] } 8. Bb2 { [%clk 1:30:49] } 8... a5 { [%clk 1:31:41] } 9. b5 { [%clk 1:31:01] } 9... Nd7 { [%clk 1:31:20] } 10. Bd3 { [%clk 1:29:52] } 10... Nh6 { [%clk 1:31:04] } 11. Qe2 { [%clk 1:28:45] } 11... O-O { [%clk 1:26:17] } 12. c4 { This all seems to be preparation by both players based on their time usage. } { [%clk 1:28:58] } 12... Nf7 { [%clk 1:20:56] } 13. cxd5 { [%clk 1:22:51] } 13... Ndxe5 { [%clk 1:19:04] } 14. Nxe5 { [%clk 1:23:14] } 14... Nxe5 { [%clk 1:19:21] } 15. Bxe5 { [%clk 1:23:17] } 15... fxe5 { [%clk 1:19:45] } 16. Nc3 { [%clk 1:21:39] } (16. d6!? Bxd6 17. Nd2 { Black's extra pawn doesn't matter much here since the double pawns are more of a weakness than a strength. White has nice outposts on c4 and e4. }) 16... exd5 { [%clk 1:02:28] } 17. Nxd5 { [%clk 1:21:41] } 17... Bc5 { [%clk 1:02:39] } (17... Qxd5?? { This would obviously be a grave mistake in view of } 18. Bc4) 18. O-O { [%clk 1:21:38] } 18... Be6 { [%clk 1:00:54] } 19. Ne3 { [%clk 1:10:42] } 19... Bd4 { [%clk 0:39:55] } 20. Qh5 { [%clk 1:07:41] } 20... g6 { [%clk 0:37:05] } (20... h6 { Although not a terrible choice, this would create some weaknesses that could put the black king in dangerous. } 21. Qg6 Qf6 22. Qh7+ Kf7 23. Rae1 $13) 21. Bxg6 { [%clk 1:08:03] } 21... Qe7 { [%clk 0:36:10] } 22. Be4 { [%clk 1:01:48] } 22... Rf4 { [%clk 0:32:45] } (22... Bxa1 { You might be wondering why the rook wasn't taken in this position and it's because the dark squared bishop is very powerful on the d4 outpost putting pressure on the a7-g1 diagonal while the rook on a1 is serving no purpose. }) 23. Bd5 { [%clk 0:45:10] } 23... Raf8 { [%clk 0:22:43] } 24. Rae1 { [%clk 0:44:23] } 24... Kh8 { [%clk 0:22:16] } 25. g3 { [%clk 0:41:52] } 25... R4f6 { [%clk 0:13:19] } 26. Bxe6 { [%clk 0:29:18] } 26... Qxe6 { [%clk 0:13:44] } 27. Re2 { [%clk 0:29:19] } 27... b6 { [%clk 0:03:38] } 28. Nc2 { [%clk 0:24:20] } 28... Bb2? { [%clk 0:04:06] } (28... Bc5! { It was imperative for the bishop to stay on the same diagonal and pressure the f2 pawn even if it meant giving up the e5 pawn for counterplay. } 29. Rxe5 Qc4 $13) 29. Qh4 { [%clk 0:16:20] } 29... Qd5 { [%clk 0:04:29] } 30. a4 { [%clk 0:13:24] } 30... Rf4 { [%clk 0:04:19] } 31. Qh6 { [%clk 0:13:33] } 31... Qc4 { [%clk 0:03:24] } 32. Qh5 { [%clk 0:08:06] } 32... R8f5 { [%clk 0:02:38] } 33. Ne3 { [%clk 0:07:43] } 33... Rxh5 { [%clk 0:03:00] } 34. Nxc4 { [%clk 0:08:09] } 34... Rxc4 { [%clk 0:03:26] } 35. Rxb2 { [%clk 0:08:35] } 35... Rxa4 { [%clk 0:03:51] } 36. Rc2 { Although this endgame is roughly equal, black has a weak king alongside weak b6 and e5 pawns which makes it hard to play especially in time pressure. } { [%clk 0:07:47] } 36... e4 { [%clk 0:03:18] } 37. Rd1 { [%clk 0:05:50] } 37... Rxb5?? { Losing the game on the spot due to the disregard for king safety. } { [%clk 0:00:42] } (37... e3!! { An extremely hard move to see with seconds on the clock, but this allows the rook on a4 to move along the 4th rank and defend the black king. } 38. fxe3 Rxb5 39. Rc7 Rg4!) 38. Rc7 { [%clk 0:06:04] } 38... Rg5 { [%clk 0:00:59] } 39. h4 { [%clk 0:06:03] } 39... Rg4 { [%clk 0:01:07] } 40. Rd8+ { [%clk 0:06:13] } 40... Rg8 { [%clk 0:01:35] } 41. Rdd7 { [%clk 0:06:37] } 41... Rg4 { [%clk 0:25:16] } 42. Rxh7+ { [%clk 0:36:43] } 42... Kg8 { [%clk 0:25:41] } 43. Rhd7 { [%clk 0:37:08] } 43... Kh8 { [%clk 0:26:06] } 44. Kg2 { [%clk 0:37:02] } 44... Rb4 { [%clk 0:16:32] } 45. Kh3 { [%clk 0:34:54] } 45... Rg6 { [%clk 0:16:04] } 46. h5 { [%clk 0:35:13] } 46... Rg5 { [%clk 0:16:26] } 47. h6 { [%clk 0:35:16] } 47... Rb1 { [%clk 0:15:13] } 48. h7 { [%clk 0:34:39] } 1-0