+0.23 in the Stockfish log file is from the point-of-view of the side that has the move. So Stockfish says Bxh3 gives Black an advantage of 23 centipawns.neelbasant wrote:But after Bxh3 the resulting position should favor Black..zullil wrote:[d]r1q3rk/2pb1p1n/1p1p1b1p/pN1Pp1p1/2P1Pn2/PP2BPPP/2BQ3K/1RR3N1 b - - 2 25neelbasant wrote:
SF Default could not see the 25. ......Bxh3 !!
The current development version of Stockfish does see that Bxh3 is best, though it requires depth 28 or 29 to do so:
Code: Select all
Searching: r1q3rk/2pb1p1n/1p1p1b1p/pN1Pp1p1/2P1Pn2/PP2BPPP/2BQ3K/1RR3N1 b - - 2 25 infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0 1 -0.02 00:00 283 Nxh3 Nxh3 Bxh3 2 -0.12 00:00 416 Nxh3 Ne2 3 -0.02 00:00 853 Nxh3 Nxh3 Bxh3 4 -0.12 00:00 1225 Nxh3 Nxh3 Bxh3 Kh1 5 -0.21 00:00 2363 Nxh3 Nxh3 Bxh3 Kh1 Kg7 6 -0.23 00:00 3936 Nxh3 Nxh3 Bxh3 Kh1 g4 f4 exf4 Bxf4 7 -0.23 00:00 6616 Nxh3 Nxh3 Bxh3 Kh1 g4 f4 exf4 Bxf4 8 -0.38 00:00 9550 Nxh3 Nxh3 Bxh3 g4 Bxg4 Nxc7 Qxc7 fxg4 9 -0.14 00:00 67391 Be7 h4 Bxb5 cxb5 Nh5 g4 Nf4 Kh1 Qe8 10 -0.10 00:00 98133 Be7 a4 Nf6 h4 N6h5 gxf4 gxf4 Bf2 Kh7 Bd3 11 -0.36 00:00 301284 Be7 Kh1 Bxh3 Nxh3 Nxh3 Rf1 Nf6 Qh2 g4 f4 exf4 Rxf4 Nxf4 Qxh6+ Nh7 Bxf4 12 -0.34 00:00 427294 Be7 Kh1 Nxh3 Nxh3 Bxb5 cxb5 Qxh3+ Qh2 Qxh2+ Kxh2 Nf6 Bd3 Rac8 Kg2 Kg7 a4 13 -0.34 00:01 1035K Be7 Bf2 Ng6 Nc3 f5 exf5 Bxf5 Rb2 Bxc2 Rbxc2 Kg7 Qd3 Nf6 Nge2 Rf8 g4 14 -0.25 00:02 1717K Bxh3 Nxc7 Qxc7 Nxh3 Nxh3 Kxh3 g4+ fxg4 Qc8 Qe2 h5 Bf2 Rxg4 Kh2 h4 gxh4 Bxh4 Bxb6 15 -0.42 00:02 2188K Bxh3 Nxc7 Qxc7 Nxh3 Nxh3 Kxh3 g4+ fxg4 Qc8 Qe2 Bg5 Kg2 Bxe3 Qxe3 Ng5 Qe2 Qc5 Rh1 16 -0.08 00:04 4261K Bxh3 a4 Bd7 Kh1 Ng6 Qh2 Bg7 Ne2 Re8 Nec3 Kg8 Rf1 Nf6 Kg2 Rf8 Kg1 17 -0.08 00:04 4952K Bxh3 a4 Bd7 Kh1 Bh3 Nxh3 Nxh3 Rf1 g4 fxg4 Bg5 Bxg5 N7xg5 Rf5 Qd7 Rbf1 Rae8 Bd3 18 +0.00 00:05 5815K Bxh3 a4 Bg2 Bxf4 gxf4 Kxg2 Rxg3+ Kh1 Rh3+ Nxh3 Qxh3+ Qh2 Qxf3+ Qg2 Qh5+ Qh2 Qf3+ 19 +0.00 00:05 7301K Bxh3 a4 Bg2 Bxf4 gxf4 Kxg2 Rxg3+ Kh1 Rh3+ Nxh3 Qxh3+ Qh2 Qxf3+ Qg2 Qh5+ Qh2 Qf3+ 20 -0.29 00:06 11332K Bxh3 Nxc7 Qxc7 Nxh3 Nxh3 Kxh3 g4+ fxg4 Qd7 Bd1 Bg5 Qf2 Rg6 Kg2 Nf6 Qf3 Bxe3 Qxe3 Nxg4 Bxg4 Qxg4 Rh1 21 -0.46 00:07 16217K Bxh3 Nxc7 Qxc7 Nxh3 Nxh3 Kxh3 g4+ fxg4 Qd7 Bd1 Bg5 Bxg5 Rxg5 Qf2 Rg6 Kg2 Nf6 Qf5 Qd8 Be2 Rg5 Qf2 Nxe4 Qxf7 22 -0.47 00:28 347299K Bd8 Re1 Ng6 Nc3 h5 Bd3 Bf6 Rb2 h4 g4 Nf4 Nge2 Be7 Rc1 Qf8 Nb5 Qc8 Bf2 a4 Nxf4 gxf4 Kg1 Ng5 23 -0.47 00:29 360455K Bd8 Re1 Ng6 Nc3 h5 Rbd1 Be7 Bd3 Kg7 Rf1 Kh8 a4 Kg7 Rde1 Kh8 Rb1 24 -0.53 00:38 482546K Be7 Qe1 Nf6 Qf1 Ng6 Ne2 Kg7 Qg2 Kh8 Bd2 h5 a4 h4 g4 Nf4 Qf2 Bxb5 axb5 Nd7 Ra1 Bf6 Bc3 Kg7 Bb2 Re8 Nxf4 exf4 25 -0.53 00:40 509562K Be7 Qe1 Nf6 Qf1 Ng6 Ne2 Kg7 Qg2 Kh8 Bd2 h5 a4 h4 g4 Nf4 Qf2 Bxb5 axb5 Nd7 Ra1 Bf6 Bc3 Kg7 Bb2 Re8 Nxf4 exf4 26 -0.53 00:41 527053K Be7 Qe1 Nf6 Qf1 Ng6 Ne2 Kg7 Qg2 Kh8 Bd2 h5 a4 h4 g4 Nf4 Qf2 Bxb5 axb5 Nd7 Ra1 Bf6 Bc3 Kg7 Bb2 Re8 Nxf4 exf4 27 -0.47 00:58 762839K Be7 Qe1 Nf6 Qf1 Ng6 Ne2 h5 Bxg5 Nxd5 Bd2 Nf6 Nbc3 Nf8 Nd5 Nxd5 cxd5 Bb5 Qf2 Rg7 Nc3 Ba6 Be3 Bf6 g4 Ng6 Bh6 Nf4 Bxg7+ Kxg7 28 +0.15 01:39 1374M Bxh3 b4 axb4 axb4 Bd7 Kh1 Nh3 Qh2 g4 Nxh3 gxh3 Bxh6 Rg6 Be3 Bg5 Re1 Bxe3 Rxe3 c5 dxc6 Qxc6 Rd1 Qxc4 Nxd6 Rxd6 29 +0.15 02:12 1863M Bxh3 a4 h5 Re1 Bg2 Bxf4 gxf4 Kxg2 Rxg3+ Kh1 Ng5 Re2 h4 Rh2 h3 Qd3 Qd7 Rf1 Rg8 Ne2 Rg6 Nxg3 fxg3 Rg1 Nh7 Re2 Bh4 Ra1 g2+ Kg1 Bg3 Rd1 30 +0.23 02:24 2021M Bxh3 a4 h5 Re1 Bd7 gxf4 gxf4 Bf2 h4 Bd3 Rg7 Bf1 Be7 Ne2 f5 exf5 Bxf5 Rbd1 Bf6 Kh1 Qd7 Ned4 exd4 Nxd4 Be5 Nxf5 Qxf5 Qd3 Qxd3 Bxd3 Ng5 31 +0.23 02:27 2067M Bxh3 a4 h5 Re1 Bd7 gxf4 gxf4 Bf2 h4 Bd3 Rg7 Bf1 Be7 Ne2 f5 exf5 Bxf5 Rbd1 Bf6 Kh1 Qd7 Ned4 exd4 Nxd4 Be5 Nxf5 Qxf5 Qd3 Qxd3 Bxd3 Ng5 Nodes: 2067428118 Nodes/second: 14003455 Best move: Bxh3 Ponder move: a4
Or Still white is better ?
StockFish Default vs Modified one(Request to Marco Costalba)
Moderator: Ras
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zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
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- Full name: Louis Zulli