Zitat von
Egbert
Frage: Welcher Schwachcomputer hätte den möglichen Sieg-Zug für die schnelle Sphinx 40, 18. Ld2xh6! gefunden?
Hi Egbert,
I'm afraid: none...
After slightly more than 1h30, The King Performance with completed depth 1/12 (210M nodes) still sticks to
18.a4 (+1,28) with 18.d2xh6 studied each depth as second best (02/55), but not selected so far.
On my laptop, only LC0 + LD2 (LittleDemon which is a small 128x10 net, as I have no GPU) selects Bxh6 quite fast (depth 6), two best lines displayed:
Code:
+0.77/6 18.Bxh6 Nxc5 19.Bxg7 Kxg7 20.Rg4+ Nxg4 21.Bxb5 cxb5 22.Nh5+ Kh6 23.h3 Kxh5
+0.73/6 18.b4 Qa4 19.Bc2 Qa3 20.Bc1 Qa6 21.Bb2 b6 22.Nf5 exf5
Then sticks to this choice (see depth 10 PVs):
Code:
+1.52/10 18.Bxh6 Re8 19.Be3 Qa5 20.Rh4 Bxc5 21.Bd2 Qd8 22.Rd1 e5 23.Bg5 Qb6 24.Qc2 e4 25.Nxe4 Nxe4 26.Bxe4
+0.64/10 18.b4 Qa4 19.a3 Rd8 20.Bc3 b6 21.Bc2 Qa6 22.Bd3
Other engines struggle to converge, with 18.b4 and even 18.Rc2 as alternatives to be considered (so, Sphinx 40's move was not a failer).
Fat Fritz 2:
Code:
+2.47/30 18.Rc2 Qa4 19.Rc4 Qb5 20.b4 Re8 21.a4 Qa6 22.Rcc1 b5 23.axb5 Qb7 24.Ne4 Rd8 25.bxc6 Qxc6 26.b5 Qd5 27.Ba5 Nxc5 28.Nxc5 Re8 29.Bb4 Bb7 30.Ba3 Bxc5 31.Rxc5 Qd8 32.Ne5 Nd7 33.Nc6 Bxc6 34.Rxc6 Ne5 35.Be4 Qg5
+2.45/30 18.b4 Re8 19.a4 Qa6 20.Rcc1 b5 21.axb5 Qb7 22.Ne4 Nd5 23.Nd6 Bxd6 24.cxd6 cxb5 25.Bxb5 Qb8 26.Bc6 N7f6 27.Ne5 Bb7 28.d7 Rd8 29.b5 Nb6 30.Bf4 Nbxd7 31.Nxf7 Qxf4 32.Nxd8 Rxd8 33.Bxb7 Ne5 34.Rc8 Rxc8 35.Bxc8 Qd4 36.Bxe6+ Kh8
HIARCS 14:
Code:
+1.61/20 18.Bxh6 Nxc5 19.a4 Qb6 20.Bxg7 Nxd3 21.Bxf8 Kxf8 22.Qxd3 Qxb2 23.Rb1 Qa3 24.Qd2 Ke8 25.Ne5 Bf8 26.Qf4 Qe7 27.Qf3 Nd5 28.Ne4 f6 29.Ng6 Qg7 30.Nxf8 Kxf8 31.a5 f5 32.Nd6 Qc7
+1.60/20 18.b4 Qa4 19.Nd4 b5 20.Rcc1 Nb8 21.Nxc6 Nxc6 22.Bxb5 Nd4 23.Bxa4 Nxe2+ 24.Nxe2 Rd8 25.Be1 e5 26.c6 Rf8 27.b5 Ba3 28.Rcb1 Bf5
Stockfish 14 classic (disabled NNUE):
Code:
+4.11/30 18.Rc2 Qa4 19.Rc4 Qb5 20.b4 Re8 21.a4 Qa6 22.Rcc1 b5 23.axb5 Qb7 24.Nd4 Nb8 25.Nxc6 Nxc6 26.bxc6 Qxc6 27.Bb5 Qd5 28.Bxe8 Nxe8 29.c6 Nc7 30.Ra5 Qd8 31.b5 Nd5 32.Rca1 a6 33.Ne4 f5 34.Nc3 Nb4 35.R5a4 Rb8 36.Rb1 axb5 37.Rbxb4 Bxb4 38.Rxb4 Ra8
+4.00/30 18.b4 Re8 19.a4 Qa6 20.Rcc1 b5 21.axb5 Qb7 22.Nd4 cxb5 23.c6 Qb6 24.Nxb5 Nd5 25.cxd7 Bxd7 26.Nh5 Rac8 27.Qg4 Bf8 28.Nc3 Qxb4 29.Nxd5 Qxg4 30.Ndf6+ gxf6 31.Nxf6+ Kh8 32.Nxg4 Bg7 33.Rxa7 Rxc1+ 34.Bxc1 Rd8 35.Nxh6 Be8 36.Be2 Rb8 37.Bf1 Rb1 38.Rc7 Bxh6 39.Bxh6 Bb5 40.Rc1 Rxc1 41.Bxc1 Bxf1 42.Kxf1 Kg7 43.Ke2 Kg6
Stockfish 14 NNUE:
Code:
+6.07/30 18.Bxh6 Nxc5 19.Bxg7 Nxd3 20.Bxf8 Kxf8 21.Qxd3 Qxb2 22.Re1 b5 23.Rh4 Nd5 24.Rh7 Bf6 25.Nh5 Bc3 26.Rd1 Bd7 27.Ng5 Be8 28.Qf3 Nf6 29.Rh8+ Ke7 30.Ng7 Qc2 31.Rxe8+ Rxe8 32.Nxe8 Kxe8 33.Qxc6+ Kf8 34.Rf1 Nd5 35.Qxb5 Kg7 36.Qb8 Qf5 37.Qg3 Qg6 38.h4
+5.96/30 18.Rc2 Qa4 19.Rc4 Qb5 20.Bxh6 Nxc5 21.Bxg7 Nxd3 22.Bxf8 Kxf8 23.Qxd3 Qxb2 24.Re1 b5 25.Rh4 Nd5 26.Rh7 Bf6 27.Nh5 Bc3 28.Rd1 Bd7 29.Ng5 Be8 30.Qf3 Nf6 31.Rh8+ Ke7 32.Ng7 Qc2 33.Rxe8+ Rxe8 34.Nxe8 Kxe8 35.Qxc6+ Kf8 36.Rf1 Nd5 37.Qxb5 Kg7 38.Qb8 Qf5 39.Qg3
The evalutation gap between Bxh6 and Rc2 is rather thin!
Cheers,
Eric