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Subject: Re: Start Your Engines.. TestPostion

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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