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Subject: Re: How long does it take your program to find this simple mate in 4?

Author: William Bryant

Date: 19:09:57 02/08/00

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On February 08, 2000 at 20:11:50, Dann Corbit wrote:

>2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - -

2 Seconds to fail high on the move
4 Seconds to return a mate score

William
wbryant@ix.netcom.com


Welcome to Screamer 1.00  Build 48
Current Hash Table Size: 16384 K bytes
Current Pawn Hash Size: 4096 K bytes
Debug Control On
PVS Search
NULL move Search

New Board Position
2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - -
Move 1 W>>
PLY       NODES     TIME   SCORE  PV
______________________________________________
 5/00      6743     0:00   +6.02  Ng6 Kf7 Ne7 Kxe8 g8=Q+ Kxe7
 5/12      8913     0:00      ++  Ng4
 5/12     12184     0:00   +7.47  Ng4 e5+ Kxe5 Bxg4 Nf6+ Kxg7 Nxg4
 6/00     13002     0:00      --
 6/00     16244     0:00   +5.51  Ng4 e5+ Kxe5 Bxg4 Nf6+ Kxg7 Nxg4 Nf7+ Kd4 Nxg5
 6/01     18324     0:00      ++  Ng6
 6/01     23460     0:00   +6.24  Ng6 Kf7 Ne7 Kxe8 g8=Q+ Kxe7 g6
 7/00     34155     0:00   +6.14  Ng6 Kf7 Ne7 Kxe8 g8=Q+ Kxe7 Qg7+ Nf7 g6
 8/00     56519     0:01   +6.24  Ng6 Kf7 Ne7 Kxe8 g8=Q+ Kxe7 Qg7+ Nf7 Qf6+ Ke8
							g6
 8/09     94665     0:01      ++  Ke3
 8/09    109226     0:01  +12.35  Ke3 Bb7 Ng4 Kf7 Ngf6 Ke7 g8=Q e5
 8/15    146958     0:02      ++  g6
 8/15    284409     0:04 +327.60  g6 Nb7 Nc6 e5+ Kxe5 Bd7 Ne7+
 9/00    302001     0:04 +327.60  g6 Nb7 Nc6 e5+ Kxe5 Bd7 Ne7++
10/00    424845     0:05 +327.60  g6 Nb7 Nc6 e5+ Kxe5 Bd7 Ne7++
     ----- Search Stopped -----
     Total Search Time: 0:09
     Move: g6



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