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Subject: Re: Deep Shredder blunder

Author: Chessfun

Date: 16:05:53 03/21/01

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On March 21, 2001 at 18:45:32, Eduard Nemeth wrote:

>On March 21, 2001 at 17:33:12, James T. Walker wrote:
>
>>Here is a position where Deep Shredder blundered at G/30 minutes.
>>Deep Shredder played Kg3?? alowing Kf1 and quickly lost the game
>>
>>[D]2r5/5P2/4P2p/6p1/5k2/5P1P/8/6K1 b - a2 0 1
>
>Hi!
>
>I tested this position on my P600.
>
>Deep Shredder, hash 128 MB, (with all TBs here): Kxf3 after 1:05 minutes.
>Deep Shredder, hash 128 MB, (without TBs): Kxf3 after 51 seconds.
>
>Deep Fritz, hash 128 MB, (without TBs): Kxf3 after 39 seconds.
>
>Chess Tiger 13.0, hash 96 MB: Kxf3 after 5 seconds!
>
>I played many games 30', and I think DS would Kg3 play on my PC on Blitz 30'
>(DF, i think not) but on tournament level never! Chess Tiger play Kxf3, too in
>blitz-games.
>
>Kind Regards,
>Eduard


Tiger 14 beta and Gambit 2 beta on Thunderbird @945 mhz, 96 mb hash.

ChessTiger 14.0 Beta 5 (No tablebases)
; 00:00:00.3  1.   Score: 1.29   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Ke1 Rb8
Kd1 Rb1+ Kc2
; 00:00:00.2  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:01.8  1.   Score: 0.00   depth: 12 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:02.4  1.   Score: -0.07   depth: 13 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:03.1  1.   Score: -0.07   depth: 14 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:04.4  1.   Score: -0.07   depth: 15 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:07.5  1.   Score: -0.07   depth: 16 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:10.5  1.   Score: -0.07   depth: 17 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; Analysis completed

ChessTiger 14.0 Beta 5 (With tablebases)
; 00:00:00.8  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:00.2  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:01.0  1.   Score: -0.07   depth: 12 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:01.0  1.   Score: -0.07   depth: 13 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:02.6  1.   Score: -0.07   depth: 14 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:03.0  1.   Score: -0.07   depth: 15 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:05.8  1.   Score: -0.07   depth: 16 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:09.2  1.   Score: -0.07   depth: 17 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:14.7  1.   Score: -0.07   depth: 18 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; Analysis completed

Gambit 2.0 Beta 5 style normal (No tablebases)
; 00:00:00.8  1.   Score: 1.29   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Ke1 Rb8
Kd1 Rb1+ Kc2
; 00:00:00.2  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:01.8  1.   Score: 0.00   depth: 12 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:02.8  1.   Score: -0.07   depth: 13 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:03.6  1.   Score: -0.07   depth: 14 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:04.0  1.   Score: -0.07   depth: 15 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:06.6  1.   Score: -0.07   depth: 16 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:10.8  1.   Score: -0.07   depth: 17 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:17.6  1.   Score: -0.07   depth: 18 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:28.0  1.   Score: -0.07   depth: 19 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; Analysis completed

Gambit 2.0 Beta 5 style normal (With tablebases)
; 00:00:00.3  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:00.7  1.   Score: 0.00   depth: 11 Kg3 Kf1 Kxf3 Ke1 Ke3 Kd1 Rd8+ Kc1
Rc8+ Kd1
; 00:00:01.1  1.   Score: -0.07   depth: 12 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:01.3  1.   Score: -0.07   depth: 13 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:02.9  1.   Score: -0.07   depth: 14 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:03.3  1.   Score: -0.07   depth: 15 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:05.6  1.   Score: -0.07   depth: 16 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:08.0  1.   Score: -0.07   depth: 17 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:14.1  1.   Score: -0.07   depth: 18 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+
; 00:00:24.8  1.   Score: -0.07   depth: 19 Kxf3 e7 Rc1+ Kh2 Rc2+ Kg1 Rc1+

; Analysis completed

Sarah.



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