Author: Heiner Marxen
Date: 10:28:16 03/08/02
Go up one level in this thread
On March 08, 2002 at 12:43:05, Uri Blass wrote: >On March 08, 2002 at 12:31:14, Heiner Marxen wrote: > >>On March 08, 2002 at 09:22:58, Ed Schröder wrote: >> >>>[d]4r3/p1p1pPp1/P1P1P1P1/5K2/3p2P1/7p/3P1ppr/3R1nkq w - - id M19; >>> >>>I came across this beauty, mate in 19 moves. Rebel has no clue. >>> >>>Ed >> >>After 15 minutes (Athlon 1500+, 128 MB hash) Chest says "no mate in 12". >>With an EBF above 6 this extrapolates to 8 years for the mate in 19. >>Uhh. >>Not reachable for Chest, as is. >> >>Cheers, >>Heiner > >I am not so sure >Maybe chest is going to surprise us and find an alternative mate in 14. > >I also could not prove that there is no shorter mate then mate in 19 so I cannot >be sure that the mate in 19 that I found is really the shortest mate. > >Uri Yes, you are right of course. We are not sure about the depth. OTOH, I feel lazy today. Anybody feeling dedicated to this position may use Chest himself, I just stop here. Cheers, Heiner
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