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Subject: Re: test position rook sacrifice tiger&crafty fastest

Author: Uri Blass

Date: 15:00:50 12/24/01

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On December 24, 2001 at 17:54:03, Matthias Gemuh wrote:

>On December 24, 2001 at 16:07:08, K. Burcham wrote:
>
>>
>>
>>
>>test position: rook sacrifice
>>
>>2x1533mhz
>>
>>Deep Junior7    11:44    RxB2    depth 24
>>Deep Shredder    5:08    RxB2    depth 18
>>Deep Fritz       3:24    RxB2    depth 18/37
>>Crafty  17.14     :32    RxB2    depth 14/28
>>Crafty  18.08    1.27    RxB2    depth 15/21
>>
>>
>>1x1000mhz
>>
>>Gambit Tiger 2    :98    RxB2    depth 13
>>Shredder5        7:34    RxB2    depth 18
>>Deep Fritz       21:56   RxB2    depth 18/40
>>
>>
>>
>> [D] 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - - 0 1
>>
>
>
>My HyLogicChess wants to play: (...Rxb2 after 6 seconds)
>
>[1] (-0.71)  1 ...Rxg2 (00h:00m:00s)
>[2] (0.45)  1 ...Kh8 2.h4 (00h:00m:00s)
>[3] (0.12)  1 ...c3 2.bxc3 Rxg2 (00h:00m:00s)
>[4] (0.44)  1 ...Rd1 2.Kf2 Rd2 3.Kf3 Kh8 4.h4 (00h:00m:00s)
>[5] (0.43)  1 ...Kg6 2.Kf1 Kh6 3.h4 Bd8 (00h:00m:00s)
>[6] (0.44)  1 ...Rd1 2.Kf2 (00h:00m:01s)
>[7] (-1.37)  1 ...Rxb2 2.Nxb2 c3 3.Nc4 c2 (00h:00m:06s)
>[8] (-1.68)  1 ...Rxb2 2.Nxb2 c3 3.Nd3 c4 4.Rxb6 axb6 5.Nb4 b5 (00h:00m:09s)
>[9] (-1.68)  1 ...Rxb2 2.Nxb2 c3 3.Nd3 c4 4.Rxb6 (00h:00m:14s)
>[10] (-1.65)  1 ...Rxb2 2.Nxb2 c3 3.Nd3 c4 4.Rxb6 axb6 5.Nb4 b5 6.a3 Kg8
>(00h:00m:37s)
>[11] (-1.65)  1 ...Rxb2 2.Nxb2 c3 3.Nd3 c4 4.Rxb6 (00h:01m:02s)
>[12] (-0.30)  1 ...Rxb2 2.Nxb2 c3 3.Nd3 c4 4.Rxb6 cxd3 5.Rb7 c2 6.Rc7 Kh8 7.h4
>(00h:10m:19s)

I believe that it wants to play it for the wrong reason and it is going to play
it also when it is a losing move and the white king can stop the pawns.

Uri



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