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Subject: Re: a position to analyze .

Author: William Bryant

Date: 15:53:49 08/15/00

Go up one level in this thread


On August 15, 2000 at 12:14:40, pavel wrote:

>and a diagram hopefully....
>
> [D]8/Pk6/2N5/8/8/8/2K5/8 w - -
>
>I came across this position earlier today between amy vs wbnimzo2000b
>the game was a 15 min/g. one of my tourny games .
>
>now as far as i know no chess programs realizes that its a draw. which it is.
>does your program realizes it?
>
>thanks
>pavel

Thanks Pavel, this gave me to a chance to test my new endgame tablebase code.

Screamer finds this is a draw in 0 seconds and stops searching at 62 ply
in 2.623 seconds because it is a tablebase draw.

Thanks Eugene for the tablebases.

William
wbryant@ix.netcom.com

Welcome to Screamer 1.00  Build 54
Current Hash Table Size: 16384 K bytes
Current Pawn Hash Size: 4096 K bytes
Debug Control On
PVS Search
NULL move Search
Opening Book loaded and enabled
3 and 4 Piece Table Bases enabled
1490 kb of Ram used for decompression tables
1024 kb of Ram used for EGTB buffers



New Game ...
Move 1 W>>

New Board Position
8/Pk6/2N5/8/8/8/2K5/8 w - -
Move 1 W>>
The Current Search Time: 120 seconds
Trying Book Move
PLY       NODES     TIME    SCORE  PV
__________________________________________________
 5/00       220     0.304   +0.00  Nb8 Kxa7
 6/00       259     0.363   +0.00  Nb8 Kxa7
 7/00       298     0.403   +0.00  Nb8 Kxa7
 8/00       337     0.445   +0.00  Nb8 Kxa7
 9/00       376     0.484   +0.00  Nb8 Kxa7
10/00       415     0.524   +0.00  Nb8 Kxa7
11/00       454     0.564   +0.00  Nb8 Kxa7
12/00       493     0.604   +0.00  Nb8 Kxa7
13/00       532     0.645   +0.00  Nb8 Kxa7
14/00       571     0.685   +0.00  Nb8 Kxa7
15/00       610     0.725   +0.00  Nb8 Kxa7
16/00       649     0.767   +0.00  Nb8 Kxa7
17/00       688     0.807   +0.00  Nb8 Kxa7
18/00       727     0.848   +0.00  Nb8 Kxa7
19/00       766     0.888   +0.00  Nb8 Kxa7
20/00       805     0.929   +0.00  Nb8 Kxa7
21/00       844     0.969   +0.00  Nb8 Kxa7
22/00       883     1.010   +0.00  Nb8 Kxa7
23/00       922     1.053   +0.00  Nb8 Kxa7
24/00       961     1.094   +0.00  Nb8 Kxa7
25/00      1000     1.134   +0.00  Nb8 Kxa7
26/00      1039     1.174   +0.00  Nb8 Kxa7
27/00      1078     1.214   +0.00  Nb8 Kxa7
28/00      1117     1.255   +0.00  Nb8 Kxa7
29/00      1156     1.296   +0.00  Nb8 Kxa7
30/00      1195     1.337   +0.00  Nb8 Kxa7
31/00      1234     1.376   +0.00  Nb8 Kxa7
32/00      1273     1.418   +0.00  Nb8 Kxa7
33/00      1312     1.460   +0.00  Nb8 Kxa7
34/00      1351     1.499   +0.00  Nb8 Kxa7
35/00      1390     1.538   +0.00  Nb8 Kxa7
36/00      1429     1.578   +0.00  Nb8 Kxa7
37/00      1468     1.618   +0.00  Nb8 Kxa7
38/00      1507     1.658   +0.00  Nb8 Kxa7
39/00      1546     1.698   +0.00  Nb8 Kxa7
40/00      1585     1.737   +0.00  Nb8 Kxa7
41/00      1624     1.779   +0.00  Nb8 Kxa7
42/00      1663     1.818   +0.00  Nb8 Kxa7
43/00      1702     1.859   +0.00  Nb8 Kxa7
44/00      1741     1.899   +0.00  Nb8 Kxa7
45/00      1780     1.939   +0.00  Nb8 Kxa7
46/00      1819     1.980   +0.00  Nb8 Kxa7
47/00      1858     2.020   +0.00  Nb8 Kxa7
48/00      1897     2.060   +0.00  Nb8 Kxa7
49/00      1936     2.100   +0.00  Nb8 Kxa7
50/00      1975     2.140   +0.00  Nb8 Kxa7
51/00      2014     2.181   +0.00  Nb8 Kxa7
52/00      2053     2.221   +0.00  Nb8 Kxa7
53/00      2092     2.261   +0.00  Nb8 Kxa7
54/00      2131     2.301   +0.00  Nb8 Kxa7
55/00      2170     2.342   +0.00  Nb8 Kxa7
56/00      2209     2.381   +0.00  Nb8 Kxa7
57/00      2248     2.422   +0.00  Nb8 Kxa7
58/00      2287     2.462   +0.00  Nb8 Kxa7
59/00      2326     2.502   +0.00  Nb8 Kxa7
60/00      2365     2.542   +0.00  Nb8 Kxa7
61/00      2404     2.583   +0.00  Nb8 Kxa7
62/00      2443     2.623   +0.00  Nb8 Kxa7



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