Author: Stuart Cracraft
Date: 06:56:21 07/25/04
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On July 25, 2004 at 09:17:17, Tord Romstad wrote: >On July 25, 2004 at 09:10:19, Stuart Cracraft wrote: > >>So at the root, in the opening position, I play e4. >>At the third ply of iterative deepening, the program >>hits the position after 1 e4, e5; 2 Qh5, Bc5; 3 Qxe5. No >>null move has been played here due to being in check. >>The program now cycles through the only legal black >>replies of 3 ... Ne7, 3 ... Be7, 3 ... Kf8, and 3 ... Qe7. >>Going into this, alpha is -6 from the previous position. >>None of these moves improves alpha and this value is >>returned with no best move stored in the hash table. >> >>My question is: is this a problem or expected given >>the position? > >This sounds like the expected behaviour. At a node where >the search fails low (i.e. no move brings the score above >alpha), there is no way to know which move is best. If I >understand your description correctly, you have no problem >to worry about. > >Tord Thanks -- I must be seeing boogeymen, bugs, and ghosts everywhere by now...
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