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Subject: Re: How long does your program take to avoid Qxc2 (funnier still)

Author: Paulo Soares

Date: 12:10:27 04/01/00

Go up one level in this thread


On April 01, 2000 at 12:03:43, Chessfun wrote:

>On April 01, 2000 at 11:03:40, Paulo Soares wrote:
>
>>On March 31, 2000 at 17:29:50, Chessfun wrote:
>>
>>>On March 31, 2000 at 17:20:47, Chessfun wrote:
>>>r3kb1r/2q2ppp/p2p4/1p1PpP2/8/4Q3/PPP1N1PP/R4RK1 b kq - 0 1
>>>
>>>Analysis by Nimzo 7.32:
>>>
>>>17...Qxc2 18.Rac1 Qxb2
>>>  =  (0.00)   Depth: 6/19   00:00:01  31kN
>>>17...Qa7
>>>  =  (-0.01)   Depth: 6/19   00:00:01  31kN
>>>17...Qa7 18.Qxa7 Rxa7 19.g4 Be7 20.c3 Bf6
>>>  =  (-0.05)   Depth: 6/19   00:00:01  31kN
>>>17...Rc8
>>>  =  (-0.06)   Depth: 6/19   00:00:01  31kN
>>>17...Rc8 18.b4 Qc4 19.c3 Qxd5 20.Nd4
>>>  =  (-0.13)   Depth: 6/19   00:00:01  31kN
>>>17...Rc8 18.Kh1 Qc4 19.Qxe5+ dxe5 20.b3
>>>  =  (-0.20)   Depth: 7/20   00:00:02  228kN
>>>17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6
>>>  ³  (-0.30)   Depth: 8/22   00:00:03  411kN
>>>17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6 22.h3
>>>  =  (-0.15)   Depth: 9/23   00:00:06  1139kN
>>>17...Qc4
>>>  =  (-0.16)   Depth: 9/23   00:00:17  4134kN
>>>17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 Bf6 22.h3
>>>  =  (-0.15)   Depth: 9/23   00:00:19  4686kN
>>>17...Rc8 18.c3 Qc5 19.Qxc5 Rxc5 20.Rad1 Be7 21.g4 a5 22.h3 Bf6
>>>  ³  (-0.27)   Depth: 10/25   00:00:30  7589kN
>>>17...Rc8 18.a4 Qc5 19.Qxc5 Rxc5 20.axb5 axb5 21.Ra8+ Ke7 22.f6+ gxf6
>>>  =  (-0.21)   Depth: 11/26   00:01:18  19493kN
>>>
>>>(Bird, Scarb 31.03.2000)
>>>
>>>Thanks
>>
>>I would like to know because Nimzo7.32 moved of opinion regarding Qxc2. Could
>>be the learning function?
>>
>>Below the Rebel-Tiger analyzes on a PIII-450 and HT=64Mb:
>>
>>00:00:00.9	0,40	7	44021	Qxc2  Qb6  Qc5+  Qxc5  dxc5  f6  g6
>>00:00:00.9	0,28	7	77971	Qxc2  f6  g6  b3  Qc7  Rac1  Qa5
>>00:00:02.6	0,24	8	229124	Qxc2  Rac1
>>00:00:03.7	0,16	9	402564	Qxc2  Rac1  Qxb2  Qb6  Rd8  Qc6+  Ke7  f6+  gxf6  Ng3
>>Bg7
>>00:00:07.7	0,00	10	772041	Qxc2  Rac1  Qxb2  Qb6  Rd8  Qc6+  Rd7  Qc8+  Rd8  Qc6+
>>00:00:21.6	0,00	11	2421343	Qxc2  Rac1  Qxb2  Qb6  Rd8  Qc6+  Rd7  Qc8+  Rd8
>>Qc6+
>>00:00:34.1	0,02	11	3802607	Be7
>>00:02:18.8	0,02	12	15457400	Be7  Nc3  0-0  Rac1  Bd8  Kh1  Bh4  g3  Be7  Ne4
>>Qa7  Qe2
>>00:04:35.2	-0,06	13	31039778	Be7  Nc3  0-0  Rac1  Qa5
>>
>>End of depth 13 aproximately 6min.
>>
>>Paulo Soares, from Brazil
>
>
>It annoyed me coz after I had re-saved the pgn without thinking
>times and score depth I had deleted the original that had that info
>on it. It was only after that I thought to look at it again with Nimzo.
>But by then all I had left with just a clean pgn file.
>
>I even tried re-booting thinking maybe it had a stored evaluation.
>
>It could have been caused by pondering. I watched it from the start and
>it was thinking about the winning the pawn while thinking of the two piece
>exchanges. While MCP8 was thinking of it's reply to Qxc2 Nimzo was already
>stating the next 5 moves and that it was lost, all this while MCP8 was still
>scoring = but it had the first three moves and would see the 4th and 5th as
>it got there.
>
>Fortunately there was nothing riding on this game.
>
>Thanks.


If the cause goes " pondering on ", then this should be one of the few negative
examples of " pondering on ". But I don't frighten myself
with that, because everything that is good, in a general way, is not good
in every occasion.

Paulo



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