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Subject: Re: Deep Shredder endgame blunder

Author: Timothy J. Frohlick

Date: 10:47:00 05/31/01

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Mr. Walker,

This was ChessTigers' eval on a PII 333 with 96 Mb of RAM.

00:00:00.9	0.04	11	19084	Rb8+ Ka1 Ra8+ Kb1
00:00:00.5	0.04	12	32435	Rb8+ Ka1 Ra8+ Kb1
00:00:01.4	0.04	13	50913	Rb8+ Ka1 Ra8+ Kb1
00:00:01.5	0.04	14	69871	Rb8+ Ka1 Ra8+ Kb1
00:00:02.2	0.04	15	117180	Rb8+ Ka1 Ra8+ Kb1
00:00:02.6	0.04	16	170417	Rb8+ Ka1 Ra8+ Kb1
00:00:03.6	0.04	17	266630	Rb8+ Ka1 Ra8+ Kb1
00:00:05.5	0.04	18	415319	Rb8+ Ka1 Ra8+ Kb1
00:00:07.3	0.04	19	618906	Rb8+ Ka1 Ra8+ Kb1
00:00:10.9	0.04	20	1005519	Rb8+ Ka1 Ra8+ Kb1
00:00:16.4	0.04	21	1568163	Rb8+ Ka1 Ra8+ Kb1
00:00:25.5	0.04	22	2559691	Rb8+ Ka1 Ra8+ Kb1
00:00:42.5	0.04	23	4268196	Rb8+ Ka1 Ra8+ Kb1
00:01:04.7	0.04	23	6517980	Rb8+ Ka1 Ra8+ Kb1


On May 31, 2001 at 13:32:44, James T. Walker wrote:

>Here is a position reached by Deep Shredder at G/60.  Deep Shredder had
>approximately 15 minutes on the clock when it took only 13 seconds to make the
>blunder (Athlon 900 360 M hash tables).
>(not sure if diagram will show up----haven't done it in a long time)
>
>[D]R7/8/3K4/8/7P/5P2/3p4/1k6 w - -
>
>Here Deep Shredder abandoned the perpetual check and played 75. Ke5 ??  Three
>moves later Deep Shredder announced "Mate in 53" on itself.  :(



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