Author: Tord Romstad
Date: 05:45:31 10/14/03
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On October 13, 2003 at 16:50:41, Robert Hyatt wrote: >On October 12, 2003 at 11:57:40, Tord Romstad wrote: > >>Another reason I cannot solve your position is that I only include checks in the >>qsearch in middle-game positions, and your position is classified as an endgame >>position. > >There is another problem. In most cases, the check will be "unsafe". IE >it hangs the rook. Of course the rook can't be captured without forcing a >stalemate. But the check itself looks unsound using SEE or whatever, which >makes it even harder to find unless you look at _all_ checks. And that _will_ >explode the tree to unbearable space. Yes, I forgot to add that. This is one of the numerous restrictions I have on which checks to search: I never search checks for which the SEE returns a negative score. Tord
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