Author: Andrew Williams
Date: 10:36:02 01/14/05
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On January 13, 2005 at 10:35:15, Duncan Roberts wrote: >First of all thanks for doing this and I believe this has contributed to chess >knowledge. > > >To sum up can we say on the assumption that null move finds most stuff, that >most likely there is no material gain for white in the first 35 (12 + 23)moves. >? > You're confusing "moves" and "plies". A move is two plies in this context. I think I agree with Uri here; I think there's no material gain in the first 35 plies, but I don't think this experiment proves that. > >I was rather surprised that as before you had got up to 34 ply, the 6 extra move >start only gained you an extra ply or 2. Is this something that you were >expecting ? > Yes. > >on ply 23 only 8 moves are shown, not the full 23 ply. Why is this ? > 8 moves = 16 plies. Yes it is expected for PM, which gets its PV from the hash table; the latter part of the PV will often be overwritten. > >if you upgrade in the next 2 -3 years, would you be prepared to re-do the >experiment to look at 36 ply. > Certainly. If I'm spared! Andrew
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