[Event "Casual Classical game"] [Site "https://lichess.org/zxo6Y3Rs"] [Date "2021.01.23"] [White "randyhough"] [Black "ArmenAndranigian"] [Result "0-1"] [WhiteElo "1662"] [BlackElo "1805"] [TimeControl "3600+10"] [Termination "Normal"] [Variant "Standard"] [ECO "A57"] [Opening "Benko Gambit Accepted: Pawn Return Variation"] [Annotator "https://lichess.org/@/axel_muller"] [Source "https://lichess.org/study/sUaMirFb/wJOOoU0v"] [Orientation "white"] 1. d4 { [%clk 1:00:00] } 1... Nf6 { [%clk 1:00:00] } 2. c4 { [%clk 1:00:07] } 2... c5 { [%clk 1:00:07] } 3. d5 { [%clk 1:00:13] } 3... b5 { [%clk 1:00:14] } 4. cxb5 { [%clk 1:00:20] } 4... a6 { [%clk 1:00:22] } 5. b6 { One of the more annoying system a Benko player can face. } { [%clk 1:00:28] } 5... Qxb6 { [%clk 1:00:29] } 6. Nc3 { [%clk 1:00:35] } 6... d6 { [%clk 1:00:36] } 7. a4 { [%clk 1:00:17] } 7... g6 { [%clk 1:00:37] } 8. a5 { [%clk 1:00:20] } 8... Qb7 { [%clk 1:00:43] } 9. e4 { [%clk 1:00:17] } 9... Nbd7 { [%clk 1:00:39] } 10. Be2 { [%clk 0:59:35] } (10. f4 { was Speelman's choice. But Randy's move is not without venom as we soon find out. }) 10... Bg7 { [%clk 1:00:43] } 11. Nf3 { [%clk 0:59:14] } 11... O-O { [%clk 1:00:49] } 12. O-O { [%clk 0:59:19] } 12... Ng4 { Black employs the standard knight maneuver. } { [%clk 1:00:26] } 13. Nd2 { That was the idea behind white's setup. } { [%clk 0:58:27] } 13... Nge5? { [%clk 1:00:31] } 14. f4 { Now f4 comes with great effect. } { [%clk 0:58:16] } 14... f5 { Black tries to muddy the waters as much as he can. } { [%clk 0:59:19] } 15. fxe5 { [%clk 0:58:02] } 15... Nxe5 { [%clk 0:59:20] } 16. Nc4 { [%clk 0:57:16] } 16... Bd7 { [%clk 0:58:41] } 17. Nb6 { [%clk 0:56:41] } 17... Rad8 { [%clk 0:58:43] } 18. Nxd7?! { The computer likes this move and obviously there is nothing wrong with it. But the bishop didn't have a lot of prospects. } { [%clk 0:56:46] } (18. Bg5 { With the knight on b6 d5 is unassailable and the b-file is blocked. The queen on b7 has issues doing anything meaningful. }) 18... Rxd7 { [%clk 0:58:47] } 19. exf5 { [%clk 0:55:09] } 19... gxf5 { This continuation is also very good. But black has some swindle chances here. } { [%clk 0:58:53] } 20. Bd3 { [%clk 0:54:17] } (20. Ra4! { The rook leaves the dangerous diagonal and takes away lots of squares on the 4th. It's not easy for black to come up with a plan here. }) 20... Nxd3 { [%clk 0:53:28] } 21. Qxd3 { [%clk 0:53:08] } 21... f4 { [%clk 0:45:35] } 22. Rxf4 { [%clk 0:49:06] } 22... Rxf4 { [%clk 0:45:26] } 23. Bxf4 { [%clk 0:49:11] } 23... Qxb2 { [%clk 0:44:06] } 24. Rc1 { [%clk 0:47:14] } 24... Bd4+ { [%clk 0:43:26] } 25. Kh1 { [%clk 0:46:04] } 25... Rd8 { White is still winning here, but black's pieces are very active. } { [%clk 0:42:45] } 26. Ne2 { [%clk 0:43:38] } (26. Ne4 { White's pieces are also active and he has more of them. The threat of Ng5 isn't easy to meet. }) 26... Bg7 { [%csl Gh1] [%clk 0:40:59] } 27. Bd2 { White tries to simplify the game. } { [%clk 0:41:12] } (27. h4 { I like this move. Now white doesn't have to worry about bank rank mates anymore. If white gets the chance he can follow up with h5 and h6. }) 27... Rf8 { [%clk 0:40:36] } 28. Bc3?? { The losing move. } { [%clk 0:37:40] } (28. Ng3 { [%cal Gc1f1] } 28... c4 { [%cal Gc1c4] } (28... Rf2 29. Rf1 { [%cal Gb2d2] } (29. Ne4 { [%csl Ge4][%cal Ge4d2,Ge4g5,Gg5e6] } 29... Rf5))) 28... Bxc3 { [%clk 0:39:32] } 29. Rxc3 { [%clk 0:35:45] } (29. Rb1 { Would have offered more resistance. But black is much better. }) 29... Qa1+ { And black takes advantage of the weak bank rank } { [%clk 0:39:11] } 30. Ng1 { [%clk 0:35:30] } 30... Rf1 { [%clk 0:38:47] } 31. Qg3+ { [%clk 0:30:35] } (31. h4 Rxg1+ 32. Kh2 Rh1+ 33. Kg3 Qe1+) 31... Kh8 { [%clk 0:38:51] } 32. Qe3 { [%clk 0:30:09] } 32... Rxg1+ { [%clk 0:38:57] } 33. Qxg1 { [%clk 0:30:18] } 33... Qxc3 { [%clk 0:39:07] } 34. Qf1 { [%clk 0:29:06] } 34... Qf6 { [%clk 0:38:58] } 35. Qe1 { [%clk 0:28:41] } 35... c4 { [%clk 0:38:39] } 36. g3 { [%clk 0:28:10] } 36... c3 { [%clk 0:38:32] } 37. Qe2 { [%clk 0:27:49] } 37... c2 { [%clk 0:38:28] } 38. Qe1 { [%clk 0:27:06] } 38... Qb2 { 0-1 White resigns. } { [%clk 0:38:23] } 0-1