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Subject: Re: Yet another practical endgame...

Author: William Bryant

Date: 22:28:24 09/25/99

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On September 25, 1999 at 15:28:47, Andrew Dados wrote:

> Below position occured in a blitz 5 5 game my program played against
>PostModernist on ICC today:
>
>6k1/2n2p2/7p/4PPPP/2K1P3/8/8/8 w - - bm g5xh6 id MissSilicon-PostModernist
>
>I wonder how long does it take for your program to find gxh here... I am not
>sure if g6 does not win, however after g6 the above game ended in a draw, while
>gxh wins 'easily'. On a K6-450 it takes mine 11 seconds at depth 13 to find gxh
>(unfortunately only 8 seconds were allocated for search during game). I have a
>feeling that even 1800 player would play gxh in no time... that's why I ask your
>oppinion here.
>
>-Andrew-

Here's Screamer Analysis

William
wbryant@ix.netcom.com

Welcome to Screamer (Beta) 1.00  Build 38
Current Hash Table Size: 8192 K bytes
Debug Control On
PVS Search
NULL move Search

New Board Position
6k1/2n2p2/7p/4PPPP/2K1P3/8/8/8 w - - bm g5xh6 id MissSilicon-PostModernist
Move 1 W>>
The Current Search Time: 120 seconds
PLY     NODES     TIME   SCORE  PV
____________________________________________
  5       983     0:00   +3.01  g6 Kf8 gxf7 Kxf7 f6
  6      3813     0:00   +2.96  g6 Kf8 f6 Ne6 gxf7 Kxf7
  7     10810     0:00   +2.96  g6 Ne8 f6 Nc7 Kd3
  8     46643     0:00   +3.00  g6 Kg7 Kd3 Kf8 gxf7 Kxf7 Ke3
  9    103209     0:01   +2.96  g6 Ne8 f6 Nc7 Kd3 Ne6 Ke3 Nc5 gxf7+ Kxf7
 10    198780     0:02   +2.00  g6 Ne8 f6 Nc7 Kc5 Ne6+ Kd6 Nf4 Ke7 Nxg6+ hxg6 h5
 11    361783     0:04   +2.18  g6 Ne8 f6 Nc7 Kc5 Ne6+ Kd6 Ng5 Ke7 fxg6 hxg6
Nxe4
 11    470536     0:06   +2.68  gxh6
 11    523094     0:07   +3.68  gxh6 Kh7 Kc5 Kxh6 Kd6 Ne6 fxe6 fxe6 Kxe6 Kxh5
Kf5
							Kh4
 12    656657     0:08   +3.65  gxh6 Kh7 Kc5 Kxh6 Kd6 Kg5 Ke7 Kf4 Kxf7 Kxe5 f6
							Kxe4
 13   1012758     0:13   +3.92  gxh6 Kh7 Kc5 Kxh6 Kd6 Ne6 fxe6 fxe6 Kxe6 Kxh5
Kf5
							Kh4 e6 Kh5
 14   1515372     0:20   +3.82  gxh6 Kh7 Kc5 Kxh6 Kd6 Kxh5 Kxc7 Kg5 e6 fxe6 fxe6
							Kf6 Kd6 Kg5
 15   2915804     0:38   +4.06  gxh6 Kh7 Kc5 Kxh6 Kd6 Kxh5 Kxc7 Kg5 e6 fxe6 fxe6
							Kf6 Kd6 Kg5 e5
 16   5770081     1:16   +4.25  gxh6 Kh7 Kc5 Ne8 e6 fxe6 fxe6 Kxh6 e5 Kxh5 e7
Kg6
							Kc6 Kf7 Kd7 Nd6
--Search Stopped--



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