A rated game online, nothing special, the opponent (black) played some silly moves... The mate in center was interesting. The program is doing only about 1.1M-1.2M on a single processor. Less is more.
My only question is what your program would choose for its fifth move as White.
d2d4 b7b5
e2e4 c8a6
g1f3 b5b4
a2a3 a6f1
e1f1 b8c6
d4d5 b4a3
d5c6 a3b2
c6d7 d8d7
d1d7 e8d7
c1b2 a8b8
b2d4 g8f6
b1c3 e7e6
f3g5 d7e8
a1a7 b8d8
c3b5 c7c6
b5c7 e8e7
c7e6 e7d6
d4c5 d6e5
f2f4
mate in center
Moderator: Ras
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smcracraft
- Posts: 737
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- Full name: Stuart Cracraft
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JVMerlino
- Posts: 1421
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- Location: San Francisco, California
Re: mate in center
I tried several engines and they all wanted Kxf1. The score was anywhere between +0.74 to +1.43 after a one minute search.
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MikeB
- Posts: 4889
- Joined: Thu Mar 09, 2006 6:34 am
- Location: Pen Argyl, Pennsylvania
Re: mate in center
ditto here:
[d]rn1qkbnr/p1pppppp/8/8/1p1PP3/P4N2/1PP2PPP/RNBQKb1R w KQkq - 0 5
[d]rn1qkbnr/p1pppppp/8/8/1p1PP3/P4N2/1PP2PPP/RNBQKb1R w KQkq - 0 5
Code: Select all
dep score nodes time (not shown: tbhits knps seldep)
29 +0.90 1.56G 1:24.22 Kxf1 e6 axb4 Bxb4 Qd3 a5 h4 c6 e5 d5 b3 Nd7 g3 a4 c3 Bf8 bxa4 Ne7 Kg2 c5 Na3 c4 Qe2 h6 Nb5 Nc6 Bf4 Nb6 Qd1 Be7 Nd6+ Bxd6 exd6 O-O g4
29 +0.64 1.98G 1:46.69 Rxf1 e6 axb4 Bxb4+ c3 Be7 e5 d5 b4 h6 Ke2 c6 Nbd2 a5 Qb3 Nd7 Qa4 Qc8 bxa5 Bd8 a6 Ra7 Bb2 Nb8 Qc2 Rxa6 Rxa6 Nxa6 Rb1 Ne7 Ba3 c5 Kf1
28 +0.98 1.36G 1:13.19 Kxf1 e6 Qd3 c6 h4 bxa3 Nxa3 d5 exd5 exd5 Bf4 Be7 Qe3 Nf6 Re1 Ne4 Ng5 O-O Nxe4 dxe4 Qxe4 Bxa3 Bg5 Qc8 bxa3 Nd7 Rh3 Re8 Qxe8+ Qxe8 Rxe8+ Rxe8 Re3 Rxe3 Bxe3
28 +0.54 1.53G 1:22.57 Rxf1 e6 axb4 Bxb4+ c3 Be7 e5 d5 b4 Nd7 Ke2 c6 Qa4 Qc7 Re1 Bd8 Nbd2 a5 bxa5 Rxa5 Qxa5 Qxa5 Rxa5 Bxa5 Bb2 c5 Ra1 Bd8 Ba3 cxd4 cxd4 Ne7 Bd6 Nc6 Ra8 h5 h4
27 +0.87 876.7M 0:47.30 Kxf1 e6 axb4 Bxb4 Qd3 a5 h4 c6 Bg5 Be7 e5 d5 Nc3 Nd7 Na4 h5 Qc3 Qc7 g3 Bxg5 hxg5 Ne7 g4 g6 Kg2 Rb8 b3 Kf8 Nb2 Ra8 Nd3 Kg7 gxh5
27 +0.72 1.25G 1:07.53 Rxf1 e6 axb4 Bxb4+ c3 Be7 e5 d5 b4 Nd7 Ke2 Qc8 Qd3 Bd8 Nbd2 Ne7 Qa6 Qxa6+ Rxa6 c6 Nb3 Bb6 Bg5 h6 Bxe7 Kxe7 Nc5 Nb8 Raa1 Nd7 Nxd7
26 +0.91 652.7M 0:35.18 Kxf1 e6 axb4 Bxb4 Qd3 a5 h4 c6 Nc3 d5 e5 Bxc3 Qxc3 Ne7 b3 Nd7 Ba3 h6 g3 O-O Kg2 c5 Bxc5 Nxc5 Qxc5 Rc8 Qxa5 Rxc2 Qxd8
26 +0.66 676.3M 0:36.46 Rxf1 e6 axb4 Bxb4+ c3 Be7 e5 d5 b4 Nd7 Ke2 Qc8 Qd3 Bd8 Nbd2 Ne7 Nb3 c6 Qa6 Qc7 Re1 Nb6 Kf1 O-O Na5 h6 Qe2 Nf5 Kg1