Author: Albert Silver
Date: 19:09:39 09/04/04
Go up one level in this thread
On September 04, 2004 at 20:54:23, Ed Schröder wrote:
>On September 04, 2004 at 17:17:38, Jonathan Lee wrote:
>
>> Jonathan
>
>[d]7Q/kp3ppp/8/8/q3p3/P5PP/5b2/R1R3K1 w - - am Kxf2; bm Kg2;
>
>I am looking for this kind of positions, the idea is to detect that 1.Kxf2 leads
>to a draw much earlier because of 1..Qb3
>
>ProDeo's perpetual check algorithm moves to 1.Kg2 after 6 seconds, in normal
>mode it needs 3:30
>
>But of course stalemate detections are welcome too such as this famous one.
>
>[d]r7/8/4p2k/3p1bR1/7r/Np6/1P6/K5R1 w - - bm Rh5+; id The King - Nimzo (1993);
>
>ProDeo's perpetual check algorithm needs 59 secs to find 1.Rh5+
Both positions must have made their makr, in particular the last one... :-)
Nimzo 8 took 5 seconds for the first and 0 for the second.
Albert
>
>My best,
>
>Ed
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