Author: Andrew Williams
Date: 12:07:00 05/26/03
Go up one level in this thread
On May 26, 2003 at 12:53:48, Rex wrote:
>How long does it take your favorite engine to find the winning move Bxg6.
>
>[D]3q2k1/1b1r3p/p3pPp1/n1p5/P3BB2/2P3Q1/2P4P/1R4K1 w - - 0 1
PostModernist takes 63 seconds on an Athlon 1200:
Allocating Hash Tables:
TTSIZE=2097152 PAWNTTSIZE=524288
Found 5-men endgame table bases.
COMPLETELY CLEARING HASH TABLES
bm:Bxg6 successfully translated
8 . . . q . . k .
7 . b . r . . . o
6 o . . . o P o .
5 n . o . . . . .
4 P . . . B B . .
3 . . P . . . Q .
2 . . P . . . . P
1 . R . . . . K .
a b c d e f g h
1< +1.28 00:00:00.00 141 1.Bg5
1> +0.51 00:00:00.01 594 1.Bxb7 Nxb7
1= +0.58 00:00:00.01 647 1.Bxb7 Nxb7
2> +0.58 00:00:00.01 652 1.Bxb7 Nxb7
2< +0.59 00:00:00.01 846 1.Bxb7
2= +0.58 00:00:00.01 846 1.Bxb7 Nxb7
3< +0.58 00:00:00.01 1434 1.Bxb7
3> +0.28 00:00:00.02 1756 1.Bxb7 Rxb7 2.Rxb7 Qd1 3.Kg2 Nxb7
3= +0.31 00:00:00.02 1809 1.Bxb7 Rxb7 2.Rxb7 Qd1 3.Kg2 Nxb7
4< +0.31 00:00:00.04 4719 1.Bxb7
4> -0.18 00:00:00.05 6078 1.Bxb7 Rd1 2.Rxd1 Qxd1 3.Kg2 Qxc2
4.Qf2 Qxf2 5.Kxf2 Nxb7
4= -0.11 00:00:00.05 6131 1.Bxb7 Rd1 2.Rxd1 Qxd1 3.Kg2 Qxc2
4.Qf2 Qxf2 5.Kxf2 Nxb7
5> -0.11 00:00:00.17 21402 1.Bg5 Rd1 2.Kf2 Rxb1 3.f7
5< +0.90 00:00:00.24 29166 1.Bg5
5= +0.83 00:00:00.25 30857 1.Bg5 Qa8 2.Bxb7 Rxb7 3.Rxb7 Qxb7 4.Qe5
6< +0.83 00:00:00.60 78551 1.Bg5
6> +0.69 00:00:00.69 92757 1.Bg5 Rd1 2.Kf2 Rd7 3.Bd3 h6
6= +0.71 00:00:00.70 94476 1.Bg5 Rd1 2.Kf2 Rd7 3.Bd3 h6
7> +0.71 00:00:00.87 115756 1.Bg5 Rd1 2.Kf2 Rd7 3.Qe5 Bxe4 4.Qxe6
7< +0.81 00:00:01.72 235952 1.Bg5
7= +0.79 00:00:01.74 241100 1.Bg5 Qc7 2.Bd3 Qxg3 3.hxg3 e5 4.Kf2
8> +0.79 00:00:02.29 309737 1.Bg5 Qc7 2.Qxc7 Rxc7 3.Bxb7 Rxb7
4.Rxb7 Nxb7 5.Kg2
8< +0.89 00:00:05.20 725628 1.Bg5
8= +0.85 00:00:05.35 763214 1.Bg5 Qc7 2.Qxc7 Rxc7 3.Bxb7 Rxb7
4.Rxb7 Nxb7 5.Kf2
9> +0.85 00:00:06.61 926540 1.Bg5 Qc7 2.Bxb7 Qxg3 3.hxg3 Nxb7
4.Rb6 Rd1 5.Kf2
9< +1.06 00:00:21.20 2919957 1.Bg5
9b +1.04 00:00:25.40 3486219 1.Bh6 Kf7 2.Bd3 c4 3.Be2 Qc7 4.Qg5 Kg8
9= +1.04 00:00:25.47 3512848 1.Bh6 Kf7 2.Bd3 c4 3.Be2 Qc7 4.Qg5 Kg8
10> +1.04 00:01:02.24 8536312 1.Bxg6 Qxf6 2.Bf7 Kxf7 3.Rf1 Bg2 4.Qxg2
10< +1.67 00:01:15.13 10674361 1.Bxg6
10= +1.63 00:01:15.92 10863597 1.Bxg6 Qxf6 2.Bf7 Kxf7 3.Rf1 Be4
4.Be5 Qxf1 5.Kxf1 Rd1 6.Ke2 Bxc2 7.Qf2 Ke8
8.Qxc5
NODES per second 142300
Andrew
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