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Subject: Re: Very Powerful Move !!! What does your Engine See

Author: Darrel Briley

Date: 12:46:22 06/27/05

Go up one level in this thread


On June 27, 2005 at 15:43:05, Darrel Briley wrote:

>On June 27, 2005 at 15:38:32, Drexel,Michael wrote:
>
>>>Shredder 9 UCI
>>>
>>>New game,
>>>4k3/1R2b1r1/p6r/Pp1pPRp1/6P1/4B2P/6K1/8 w - - 0 1
>>>
>>>Analysis by Shredder 9:
>>>
>>>1.Rxe7+
>>>  µ  (-0.84)   Depth: 1/5   00:00:00
>>>1.Rxe7+
>>>  -+  (-2.05)   Depth: 1/6   00:00:00
>>>1.Rxe7+ Rxe7 2.Bxg5
>>>  -+  (-2.44)   Depth: 1/6   00:00:00
>>>1.e6
>>>  -+  (-1.50)   Depth: 1/6   00:00:00
>>>1.e6
>>>  µ  (-1.10)   Depth: 1/6   00:00:00
>>>1.e6
>>>  µ  (-1.10)   Depth: 1/6   00:00:00
>>>1.Kf3
>>>  ³  (-0.45)   Depth: 1/6   00:00:00
>>>1.Kf3 Rxh3+ 2.Ke2
>>>  ³  (-0.40)   Depth: 1/6   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 1/6   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 1/6   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 2/2   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 3/3   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 4/4   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 5/5   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 6/6   00:00:00
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 7/7   00:00:00  10kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 8/8   00:00:00  23kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 9/9   00:00:00  47kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 10/10   00:00:00  61kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 11/11   00:00:00  137kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 12/12   00:00:00  270kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 13/13   00:00:01  526kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 14/14   00:00:02  1041kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 15/15   00:00:03  1954kN
>>>1.h4 d4
>>>  +-  (1.65)   Depth: 16/16   00:00:07  4263kN
>>>
>>>(,  27.06.2005)
>>>
>>>0 seconds to find h4
>>>
>>>                               DB
>>
>>No way Shredder 9 can find and keep h4 from depth 1, it surely was in the
>>hashtables already.
>>
>>New game,
>>4k3/1R2b1r1/p6r/Pp1pPRp1/6P1/4B2P/6K1/8 w - - 0 1
>>
>>Analysis by Shredder 9:
>>
>>1.Rxe7+ Kxe7
>>  ²  (0.27)   Depth: 1/2   00:00:00
>>1.h4
>>  +-  (1.41)   Depth: 1/4   00:00:00
>>1.h4
>>  +-  (1.41)   Depth: 1/4   00:00:00
>>1.h4
>>  ±  (1.20)   Depth: 2/2   00:00:00
>>1.h4
>>  ±  (0.86)   Depth: 3/7   00:00:00
>>1.h4
>>  ³  (-0.34)   Depth: 3/7   00:00:00
>>1.h4 Rxh4 2.Kf3
>>  ³  (-0.59)   Depth: 3/10   00:00:00
>>1.Rxe7+ Kxe7
>>  ²  (0.27)   Depth: 3/10   00:00:00
>>1.Rxe7+ Kxe7
>>  ²  (0.27)   Depth: 3/10   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 3/10   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 3/10   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 4/4   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 5/5   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 6/6   00:00:00
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 7/7   00:00:00  13kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 8/8   00:00:00  32kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 9/9   00:00:00  77kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 10/10   00:00:00  131kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 11/11   00:00:00  284kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 12/12   00:00:01  476kN
>>1.Rf1 Rc6
>>  ²  (0.28)   Depth: 13/13   00:00:01  963kN
>>1.Rf1 Rc6
>>  =  (0.03)   Depth: 14/32   00:00:06  3625kN
>>1.Rf1 Rc6 2.Rd1 Rc2+
>>  =  (0.03)   Depth: 14/32   00:00:07  4587kN
>>1.Kf2
>>  =  (0.04)   Depth: 14/32   00:00:09  5885kN
>>1.Kf2 Kd8 2.Ra7
>>  ²  (0.37)   Depth: 14/32   00:00:13  8142kN
>>1.Kf2 Rc6 2.Ke2 Rgg6 3.Kd3
>>  ²  (0.61)   Depth: 15/34   00:00:19  12062kN
>>1.h4
>>  ²  (0.62)   Depth: 15/34   00:00:24  14775kN
>>1.h4
>>  ±  (0.97)   Depth: 15/34   00:00:25  15531kN
>>1.h4 Rxh4 2.e6 Rxg4+
>>  ±  (0.97)   Depth: 15/34   00:00:25  15821kN
>>1.h4 Rxh4
>>  ±  (1.22)   Depth: 16/32   00:00:29  18148kN
>>
>>(,  27.06.2005)
>
>I cleared the hash tables before running analysis


Went back and did it again.  This time I cleared hashtables and position
learning and it did take a bit longer.

New game,
4k3/1R2b1r1/p6r/Pp1pPRp1/6P1/4B2P/6K1/8 w - - 0 1

Analysis by Shredder 9:

1.Rxe7+
  µ  (-0.84)   Depth: 1/5   00:00:00
1.Rxe7+
  -+  (-2.05)   Depth: 1/6   00:00:00
1.Rxe7+ Rxe7 2.Bxg5
  -+  (-2.44)   Depth: 1/6   00:00:00
1.e6
  -+  (-1.50)   Depth: 1/6   00:00:00
1.e6
  µ  (-1.10)   Depth: 1/6   00:00:00
1.e6
  µ  (-1.10)   Depth: 1/6   00:00:00
1.Kf3
  ³  (-0.45)   Depth: 1/6   00:00:00
1.Kf3 Rxh3+ 2.Ke2
  ³  (-0.40)   Depth: 1/6   00:00:00
1.Rf3
  ³  (-0.28)   Depth: 1/7   00:00:00
1.Rf3
  ³  (-0.28)   Depth: 1/7   00:00:00
1.Rf3 Rf7
  =  (-0.20)   Depth: 2/4   00:00:00
1.Bc5
  =  (-0.15)   Depth: 2/6   00:00:00
1.Bc5 Rgh7
  =  (-0.15)   Depth: 2/6   00:00:00
1.Bc5 Rgh7
  ³  (-0.46)   Depth: 3/8   00:00:00
1.Bc5 Rgh7 2.Bxe7 Rxe7
  ³  (-0.55)   Depth: 3/8   00:00:00
1.e6
  ³  (-0.53)   Depth: 3/8   00:00:00
1.e6
  =  (-0.15)   Depth: 3/8   00:00:00
1.e6 Rxe6 2.Rb8+ Kd7
  =  (-0.15)   Depth: 3/9   00:00:00
1.Rb8+
  =  (0.01)   Depth: 3/9   00:00:00
1.Rb8+ Kd7 2.Rb7+ Ke8
  =  (0.01)   Depth: 3/11   00:00:00
1.Rb8+ Kd7 2.Rb7+ Ke8 3.Rb8+ Kd7 4.Rb7+ Ke8
  =  (0.01)   Depth: 4/13   00:00:00
1.Bc5
  =  (0.14)   Depth: 4/13   00:00:00
1.Bc5 Rgh7 2.Bxe7 Rxe7 3.Rb8+ Kd7
  =  (0.14)   Depth: 4/13   00:00:00
1.Bc5 Rgh7
  =  (-0.12)   Depth: 5/16   00:00:00
1.Bc5 Rc6
  =  (-0.12)   Depth: 5/16   00:00:00
1.Rb8+
  =  (-0.11)   Depth: 5/16   00:00:00
1.Rb8+ Kd7 2.Rb7+ Ke8
  =  (0.01)   Depth: 5/16   00:00:00
1.Rb8+ Kd7 2.Rb7+ Ke8 3.Rb8+ Kd7 4.Rb7+ Ke8
  =  (0.01)   Depth: 6/20   00:00:00
1.Bc5
  =  (0.02)   Depth: 6/20   00:00:00
1.Bc5 Rgh7 2.Bxe7 Rxe7 3.Rb8+ Kd7 4.Rxg5 d4
  =  (0.09)   Depth: 6/20   00:00:00
1.Bc5 Rc6 2.Rb8+ Kd7 3.Rb7+ Ke8 4.Rb8+ Kd7 5.Rb7+ Ke8
  =  (0.01)   Depth: 7/22   00:00:00  40kN
1.Bc5 Rc6 2.Rb8+ Kd7 3.Bxe7 Rxe7 4.Rxg5 Kc7 5.Rgg8 Rxe5
  =  (0.00)   Depth: 8/18   00:00:00  83kN
1.Rb8+
  =  (0.01)   Depth: 8/18   00:00:00  84kN
1.Rb8+ Kd7 2.Rb7+
  =  (0.01)   Depth: 8/23   00:00:00  96kN
1.Rb6
  =  (0.02)   Depth: 8/23   00:00:00  134kN
1.Rb6 Rgh7 2.Rb8+ Kd7 3.Rb7+ Ke8 4.Bxg5 Bxg5 5.Rb8+
  =  (0.02)   Depth: 8/24   00:00:00  139kN
1.Rb6 Rgg6 2.e6 Rxe6 3.Rxd5 Kf7 4.Rf5+ Rhf6 5.Kf3 Rxf5+ 6.gxf5 Re5
  =  (0.04)   Depth: 9/25   00:00:00  212kN
1.Rf2
  =  (0.05)   Depth: 9/25   00:00:00  273kN
1.Rf2 Rc6 2.Rd2 Rc3 3.Rb8+ Kd7 4.Bd4 Rc6 5.e6+ Kc7
  =  (0.13)   Depth: 9/25   00:00:00  309kN
1.Rf2 Rhg6 2.Rf5 Bd8 3.Rb8 Kd7 4.e6+ Rxe6 5.Rxd5+ Kc6 6.Rdxd8
  =  (-0.04)   Depth: 10/24   00:00:01  457kN
1.Rb6
  =  (-0.03)   Depth: 10/24   00:00:01  467kN
1.Rb6 Rxb6 2.axb6 Kd7 3.Bd4
  =  (0.09)   Depth: 10/28   00:00:01  518kN
1.Rb6 Rgg6 2.Rb8+ Kd7 3.Rb7+ Ke8 4.e6 Rxe6 5.Bxg5
  =  (0.16)   Depth: 11/26   00:00:01  859kN
1.Rb6 Rgg6 2.Rb8+ Kd7 3.Rb7+ Ke8 4.e6 Rxe6 5.Bxg5 Bxg5 6.Rxg5 Re2+ 7.Kf3 Re7
8.Rxe7+ Kxe7 9.Rxd5
  =  (0.16)   Depth: 12/26   00:00:03  1495kN
1.Rb6 Rxb6 2.axb6 Kd7 3.Rf2 a5 4.Rd2
  ²  (0.26)   Depth: 13/30   00:00:05  3028kN
1.Rb6 Rxb6 2.axb6 Kd7 3.Rf2 a5 4.Rd2 Rg8 5.Rxd5+ Kc6 6.Rd1 Ra8 7.Bd4 a4 8.Rc1+
Kd5 9.b7
  =  (0.16)   Depth: 14/26   00:00:09  5128kN
1.Rf1
  =  (0.17)   Depth: 14/32   00:00:12  6688kN
1.Rf1 Rhg6 2.Rb8+ Kd7 3.Bd4 Rg8 4.Rb7+ Ke8 5.Rd1 Bd8 6.Bb6 R8g7 7.Rxg7 Rxg7
8.Rxd5 Bxb6 9.axb6
  ²  (0.43)   Depth: 14/32   00:00:13  7407kN
1.Rf1 Rc6 2.Rd1 Rc2+ 3.Kg1 Re2 4.Rd3 Kf7 5.Rb6 Rg6
  =  (0.19)   Depth: 15/33   00:00:20  11773kN
1.Rb6
  =  (0.20)   Depth: 15/33   00:00:20  11932kN
1.Rb6 Rxb6 2.axb6 Kd7 3.Rf2 Rg8 4.Ra2 Ra8 5.e6+ Kxe6 6.b7 Rb8 7.Rxa6+ Ke5 8.Rb6
b4 9.Kf3
  ²  (0.45)   Depth: 15/33   00:00:22  12498kN
1.h4
  ²  (0.46)   Depth: 15/34   00:00:25  14619kN
1.h4
  ±  (0.81)   Depth: 15/34   00:00:26  15093kN
1.h4 Rxh4 2.e6 Rxg4+ 3.Kf3 Rg3+ 4.Kf2 Rxe3 5.Rb8+ Bd8 6.Kxe3 Ke7 7.Rf7+ Rxf7
8.exf7 d4+ 9.Kd3 b4 10.Kxd4
  ±  (0.96)   Depth: 15/34   00:00:28  16004kN
1.h4 Rxh4
  ±  (1.21)   Depth: 16/35   00:00:32  18690kN, tb=2

(,  27.06.2005)


                                    DB



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