Author: Charles Roberson
Date: 18:02:37 03/04/06
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On March 04, 2006 at 20:28:34, Uri Blass wrote: >On March 04, 2006 at 18:10:27, Charles Roberson wrote: > >> >> Yes, in following the match after Bxh3 black makes g3xh2. >> Eventually the white king takes h2 and we have a 5 man endgame. >> The Nalimov tablebase server sees it as a mate in 21 against black. >> >> However, at blitz time controls (without EGTB's) a mate in 21 is too >> much to see at 1 sec per move which is what I end up with on the 76th >> move of a G/5 match. >> >> So, I like the much more "human" moves of Bxd3 and h2xg3. >> >> Maybe the best idea is to forget it and put in EGTB's?????? >> Seems that would save me a fair amount of analysis down the road. > >I think that the best idea is simply to improve your human knowledge. >I also did not know it but I learned from the position. > >2 bishops are simply usually enough to stop a pawn in the 6th and no need for >the king to be close to the pawn for that target. > >Even the following position is a simple win for white. > >[D]K7/8/8/6B1/8/3p3B/4k3/8 b - - 0 2 > >The main question is how could your program not win the game. > >Uri At the end of a blitz game it was making only 6 ply searches in < 1 secs. It fell into 3 fold rep of position after black plays d2d3. I checked the Nalimove tablebases on the position you posted and its a mate in 21. Seems a bit much for a program to see in < 1 secs per move. The machine is a 1.6 GHz Athlon 32 bit cpu. Also, for Telepath I have not put in transposition tables yet.
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