Wednesday, July 17, 2019

Another GM beats e4stat

E4stat played in the Philadelphia Open. I won a prize and gained a few rating points, but it was not because of this game. GM Bryan Smith gives a lesson on how to beat 2100 players; hopefully you can learn something from this.



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1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 7.Nb3 e6 8.0-0 Be7 9.a4 This move is less effective if Black hasn't played ...a6. 9.Be3 is better. I forgot my prep. 0-0 10.Be3 10.a5 is more consistent 10...Qc7 11.f4 b6 11...d5 is playable, according to the engine: 12.exd5 Nb4! 12.Be2 Bb7 13.Bf3 Rac8 14.g4 14.Nb5 Qb8 15.c4 doesn't work a6 Stockfish's recommendation 15...Nb4 is in my notes, but Stockfish finds 16.Bd2 and Black shouldn't go pawn grabbing: Rxc4 17.Na3 16.Nc3 Nb4 17.Nd2 Rfd8 and ...d5 is coming 14...Nb4 15.g5 Nd7 Stockfish briefly likes a weird tactic: 15...Nxe4 16.Bxe4 Bxe4 17.Nxe4 Nxc2 . However, it soon realizes that this doesn't end well for Black 18.Rc1 Nxe3 19.Rxc7 Rxc7 20.Qe2 Nxf1 21.Kxf1 16.Bg2 Rfd8 17.Rf2 A multi-purpose move. White can double on the f-file, swing the rook over to d2, or play Qh5 without dropping the c2-pawn. But these plans are too slow. Stockfish recommends 17.Nd4. Nc5 18.Rd2 Preventing ...d5 After the game, I thought that 18.Nd4 was more accurate, but in my notes I realize that d5 19.e5 Ne4 is still miserable for White 18.Nb5 Qb8 19.Nxc5 bxc5 is Stockfish's recommendation. It thinks that the position is equal since ...d5 is far less dangerous now 18...d5 Oh...I guess I didn't prevent it after all. Stockfish points out that 18...Nxb3 19.cxb3 d5 is more accurate, since it prevents(!) White from playing c2-c3 in some variations 19.e5?! I saw his trick: 19.exd5?! Nxb3 20.cxb3 Bc5! and Black regains the pawn favorably. 21.Bxc5 Qxc5+ 22.Kh1 Nxd5 23.Nxd5 Bxd5 24.Bxd5 Rxd5 25.Rxd5 exd5 and Black is much better 19.Nb5 was the only way to maintain the balance. Qb8 20.c3 Stockfish's recommendation My notes dismissed 19.Nb5 due to 20.e5 Ne4 but Stockfish thinks that it's equal after the awkward 21.Re2. Instead, it thinks that Black should meet 20.e5 with 20...Nxb3 followed by ...Ba6, with a slight advantage. 20...Nba6 21.e5 21.exd5 Nxb3 22.Qxb3 Bc5! 21...Ne4 and the engine goes to triple zeros land 19...Nxb3 20.cxb3 Bc5 21.Bxc5? During the game, I saw 21.Bd4 Bxd4+ 22.Rxd4 Qc5! 23.Kh1 Nc2! and White is busted 21.Bf2 Bxf2+ 21...d4 leads to complications and throws away most of Black's advantage 22.Nb5 Qe7 22...Qd7 23.Nxd4 Bxg2 (Stockfish's move) 23...Nc2 is in my notes, but I missed that 24.Bxb7! wins for White 24.Kxg2 Bxd4 25.Bxd4 Rc2 26.Rxc2 Nxc2 27.Qxc2 Qxd4 28.Rf1 Black retains the initiative, but White is hanging on 23.Nxd4 Bxd4 24.Bxd4 24.Rxd4? Rxd4 25.Bxd4 Rd8 26.Rc1 26.Bxb7 Qxb7 27.Rc1 27.Qd2 Nc6 28.Qg2 Rxd4 29.Rc1 Nd8 and Black keeps his extra material 27...Qe4! 27...Nc6? 28.Qf3! 28.Rc4 Nc6 and Black wins a piece 26...Bxg2 27.Kxg2 Qd7 27...Qb7+? 28.Qf3! and tactics hold White's position together 28.Qg1 Qd5+ and at the very least, Black can recover his pawn with a big advantage 24...Bxg2 24...Nc2 25.Rxc2 Rxc2 26.Qxc2 Rxd4 and White is okay 25.Kxg2 Qb7+ 26.Qf3 and White hangs on 22.Rxf2 Qc5 22...d4? 23.Nb5 Qe7 24.Bxb7 Qxb7 25.Nd6 23.Nb5 Ba6 24.Bf1 is bad for White, but it's better than what happened in the game 21...Qxc5+! I was expecting 21...bxc5 22.Kh1 Qe3 23.Nb5 23.Rd4 Nc2 23...Nc6! is a much simpler refutation 24.Rd3 leads to some very entertaining variations: Qxd3 25.Qxd3 Nxa1 26.Qd1 (My notes suggest 26.Ne2 as an improvement, but Stocky prefers 26.Nd1) d4! 27.Ne4 27.Bxb7 dxc3 28.Qxa1 c2! and Black wins 27...d3 28.Nf6+ 28.Qxa1 Bxe4 29.Bxe4 d2 28...gxf6 29.Bxb7 d2 30.Bxc8 Nc2 31.gxf6 and it looks like Ne3 wins, but White turns tables with 32.Qg1+! 23.Ne4 Qxf4 24.Nd6 Rc7 25.Nxb7 Rxb7 26.Rd4 picks up the b4-knight, but if Black plays 23...Ba6, then it's clear that White is just setting traps 23...Ba6?! A natural move that I passed over in my notes Stocky prefers 23...a5! The point is that after 24.Qe1 Qxf4 25.Rd4 , Black's knight is protected. So White can't save his f4-pawn and his position collapses. 24.Nxa7?? I felt like I was almost in zugzwang. At the moment, ...Qxf4 is not a threat due to Rd4, but it seemed like every move worsens my position, e.g. 24.Rd4 Nc2 25.Rd3 Qxf4 26.Rc1 Nb4 26...Ne3! is even more powerful according to Stockfish 27.Rxc8 Rxc8 28.Rd4 Rc1 24.Rc1 Qxf4 and now Rd4 hangs a rook 24.Nc3 Nd3 24.Qe2 Qxf4 25.Rd4 Qxd4 24.Rb1 Bxb5 25.axb5 d4! 24.Qe1! was the only move Qxb3 Stockfish prefers 24...Qxe1+ 25.Rxe1 Bxb5 26.axb5 Rc2 . White is clearly suffering, but there is still hope 25.Nd4 Qc4 26.Rad1 Stocky's move. My notes originally suggested 26.Bf1, but then I noticed that 26...Qxf1+ was strong. White has lost a pawn, but he has a firm grip on d4 and he has mostly sealed up the holes in his position. 24...Ra8! I missed this idea. I thought he was going to double on the c-file 25.Rd4 25.Nb5?? drops a piece 25...Nd3 26.Rxd3 Bxd3 27.Nc6 Re8 28.Qf3 This is Stockfish's top choice, but now White goes down without much of a fight 28.Qg1 is recommended in my notes Qxf4 29.Qxb6 and White can dream of pushing his passed pawns. Of course it shouldn't work, but you have to create opportunities for your opponent to go wrong 28...Qc5! 28...Qxf3? 29.Bxf3 will be much harder to win. White will withdraw the knight to the wonderful d4-square. 29.Qxd3 Qxc6 30.Rd1 Rac8 31.Kg1 31.f5 Qc2 and White's "attack" is not going anywhere 31...Qc2 32.Qxc2 Rxc2 33.Bf1 Rec8 34.Rd4 g6 35.Rb4 R8c6 36.Bb5 36.Rd4 Rxb2 37.Rd3 is a slower death, but it doesn't give me any counterplay. With the text, I hope to pick up the b6-pawn and create queenside passers. 36...Rc1+ 37.Kf2 R6c2+ 38.Be2 Losing a piece, but my position was already hopeless Rxb2 39.Rxb6 The bishop cannot be saved 39.Ke3 Re1 39.Kf3 Rc3+ 40.Kf2 Rcc2 39...Rcc2 40.Rb8+ Kg7 41.a5 Rxe2+ 42.Kf3 d4 43.b4 Re3+ 44.Kg4 Rg2+ 45.Kh4 Rxh2+ 46.Kg4 Rhh3 0–1
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Wilson,M2112Smith,G25120–1