Author: Stuart Cracraft
Date: 08:20:28 07/17/04
Go up one level in this thread
On July 17, 2004 at 00:55:50, Dann Corbit wrote: >On July 17, 2004 at 00:13:39, Stuart Cracraft wrote: > >>On July 16, 2004 at 20:04:53, Dann Corbit wrote: >> >>...snip... >> >>Curious. When I changed the replacement strategy >>from "replace only if position to be stored has >>a search depth > than the one being replaced" to >>either >= or always-replace, the PV's all started >>looking better. Not just in the opening position >>of the original test but throughout a game. >> >>I am curious as to why this might be as I thought >>the replacement strategy was important but wouldn't >>introduce pathology. >> >>1. e2e4 0.00 31 21 e2e4 >>2. e2e4 0.00 0 87 e2e4 e7e5 >>3. e2e4 0.01 17 276 e2e4 e7e5 f1c4 >>4. e2e4 0.02 0 1721 e2e4 e7e5 f1c4 f8c5 >>5. e2e4 0.08 17 7608 e2e4 e7e5 g1f3 d7d6 d2d4 >>6. e2e4 0.30 0 31025 e2e4 e7e5 f1c4 f8c5 d2d3 d7d6 >>7. e2e4 1.17 17 120316 e2e4 e7e5 f1c4 d7d6 b1c3 g8f6 d2d3 >>8. e2e4 3.97 0 395322 e2e4 e7e5 d2d3 g8f6 b1c3 d7d6 g1f3 b8d7 >>e2e4 3.97 0 395322 e2e4 e7e5 d2d3 g8f6 b1c3 d7d6 g1f3 b8d7 >>nps=99477 ha=29.00% q=80.0% bc=70% br=3.2% mp=178<>178 >>pawnx=0 recapx=0 qcheckx=24053 checkx=0 futilx=0 qfutilx=34189 > >Dumb question: >You do have the side to move included in the hash? Yes I do -- also possibly more pertinent: the null move is hashed in as well.
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