Author: Christophe Theron
Date: 16:38:11 07/10/03
Go up one level in this thread
On July 10, 2003 at 15:04:25, Matthew White wrote:
>Underpromotion position from
>Chan - Depasquale
>Laoag 1985
>[D]6k1/8/4p3/4Pp1p/5P1P/3Rn2K/6p1/8 b - -
>
>The only winning move is 1...g1=B!
>
>For example, 1...g1=Q 2. Rd8+ Kh7 (or Kf7 Rd7+ Ke8 Rd8+ etc) 3. Rh8+ Kxh8 (or
>Kg7 Rg8+ Kxg8 stalemate) stalemate.
>
>Most engines see this, though it takes up to 8 ply or so most of the time...
>wbNimzo2000 doesn't seem to be able to find the correct move. Nimzo8, OTOH,
>does... Guess he found the bug :). Maybe it will help you find a bug too...
>
>Regards,
>Matt
Chess Tiger 15.0 for PalmOS (Palm Tungsten-T, 6Mb hash tables) plays g1=B in
45.69 seconds.
Christophe
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