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Subject: Re: Mate in 14 problem

Author: Gian-Carlo Pascutto

Date: 07:08:12 01/05/02

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On January 05, 2002 at 08:00:32, Gian-Carlo Pascutto wrote:

>On January 05, 2002 at 07:46:36, Uri Blass wrote:
>
>>I think that mates in more than 20 moves that can be practically proved are rare
>>in practical games if you do not use tablebases.
>
>I would say that practical mates are positions where finding the mate
>or not would have changed the outcome of the game. In the position
>you posted, that is clearly not the case, as black is winning anyway.
>
>--Sjeng: prove

Anyway, here is Sjeng's time:

P: 0 D: 1411099547 N: 20590877 S: 20590876 Mem: 549.84M Iters: 700089 MaxDepth:
47
Time : 80.800000
This position is WON.
PV: f2g3 h2g1 e4g5 b3b4 g5f3 g1f1 f3h2 f1g1 b8b4 d1f1 b4b2 a1c2 h2f1 h3h4 d3c2
c4c5 g3h2 g1f2 c2c1q f2f3 h2g2

1 minute, 20 seconds

--
GCP



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