Author: Uri Blass
Date: 06:30:49 11/28/04
Go up one level in this thread
On November 28, 2004 at 09:23:58, Uri Blass wrote:
>On November 28, 2004 at 08:26:20, chandler yergin wrote:
>
>>On November 27, 2004 at 17:27:07, Mike Byrne wrote:
>>
>>>Black(1): [d]8/2B2pPb/7k/4K3/3p2P1/8/8/8/ w
>>>bm g8=N+!!
>>
>>
>>After g8=N+... Now start the Search!
>>
>>[D] 6N1/2B2p1b/7k/4K3/3p2P1/8/8/8 b - - 0 1
>>
>>Analysis by Shredder 8:
>>
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 16/16 00:00:00 37kN, tb=852
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 17/18 00:00:01 101kN, tb=1628
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 18/19 00:00:02 149kN, tb=2171
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 19/20 00:00:02 229kN, tb=3209
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 20/24 00:00:04 361kN, tb=4710
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 21/21 00:00:06 507kN, tb=6553
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 22/22 00:00:08 721kN, tb=9528
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 23/23 00:00:11 1013kN, tb=13251
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 24/24 00:00:15 1423kN, tb=17747
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 25/25 00:00:21 2022kN, tb=24473
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 26/26 00:00:30 2956kN, tb=35460
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 27/27 00:00:41 4274kN, tb=50495
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 28/28 00:00:57 6084kN, tb=69291
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 29/29 00:01:25 8836kN, tb=97561
>>1...Bxg8 2.Kxd4 Kg5 3.Ba5 Kxg4
>> = (-0.01) Depth: 30/36 00:03:01 12567kN, tb=132919
>>
>>(Yergin, MyTown 28.11.2004)
>
>Why do you use shredder8?
>
>Movei has no problem to see mate for white after the move suggested by
>shredder(1...Bxg8)
>
>depth=16 +99.81 e5f6 h6h7 c7f4 h7h8 f4e5 d4d3 g4g5 h8h7 e5c3 d3d2 c3d2 h7h8 d2c3
>h8h7 c3d4 h7h8 g5g6 f7g6 f6g6
>Nodes: 9914901 NPS: 694320
>Time: 00:00:14.28
>
>
>Uri
Here is the line in pgn notation.
It seems that shredder suffer from having too much knowledge and it knows that
KBP vs KBP is a draw so it probably returns draw score instead of analyzing it.
[Event "?"]
[Site "?"]
[Date "?"]
[Round "-"]
[White "?"]
[Black "?"]
[Result "*"]
[FEN "8/2B2pPb/7k/4K3/3p2P1/8/8/8 w - - 0 1"]
[SetUp "1"]
{--------------
. . . . . . . .
. . B . . p P b
. . . . . . . k
. . . . K . . .
. . . p . . P .
. . . . . . . .
. . . . . . . .
. . . . . . . .
white to play
--------------}
1. g8=N+ Bxg8 2. Kf6 Kh7 3. Bf4 Kh8 4. Be5 d3 5. g5 Kh7 6. Bc3 d2 7. Bxd2
Kh8 8. Bc3 Kh7 9. Bd4 Kh8 10. g6 fxg6 11. Kxg6#
*
Uri
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