Author: Dann Corbit
Date: 19:19:43 01/13/00
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On January 13, 2000 at 22:10:31, Tom Kerrigan wrote: >On January 13, 2000 at 19:20:21, Jeremiah Penery wrote: > >>If, say, Fritz plays Nxh6, but doesn't follow up with the combination, it means >>nothing. Nxh6 without the combination isn't going to get you anywhere in this >>position - Fritz will still lose the game, and this _does_ matter. >>If, however, Fritz _does_ find the rest of the combination, then it will go on >>to win the game. > >The important point is that Fritz finds the move that solves the problem. If the >resulting position is so bloody important, then it should also be part of the >test suite. > >(I don't know very much about this Nolot test. One of the conditions may be that >the programs also find the appropriate PVs. In that case, I think the PV >positions should be considered part of the suite.) I think to contain the whole PV would not work. You might have transpositions. Also, by including the ce, you will know if you find something better. Consider some position that wins a bishop outright in 10 ply by choosing the appropriate path. If the current ce is -1.09, then after it might be about +2. But suppose you find a move that takes the queen outright instead at ply 11. Now you have a ce of +8.0 or better. Hence, you found a better tactical assault than the original choice.
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