Author: Ulrich Tuerke
Date: 07:46:34 11/25/99
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On November 25, 1999 at 10:19:47, Dave Gomboc wrote: >On November 25, 1999 at 10:11:58, Ulrich Tuerke wrote: > >>I find your results very interesting. >> >>What puzzles me, is the large branching ratio from one iteration to the next one >>which you obtained. I'd thought, that you get a factor of 4 to 5, provided you >>have a resonable move ordering, whereas you have factor of ~20. Could it be that >>your move ordering is very poor ? >> >>I assume, with an improved move ordering, the effects, which you have observed, >>will also become less drastic. >> >>Nevertheless, it might be worthwhile to try your suggestion regarding en >>passant. >> >>Thanks, >>Uli > >I think he was counting nodes for a complete traversal (minimax). For instance, >the leftmost column of the third table goes 1 node, 21 nodes, 421 nodes, ... > >Dave Yes, you are certainly right, Dave. Of course, we have far more transpositions in this case than in the realistic case of alpha-beta. Uli
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