Author: Tina Long
Date: 22:47:58 11/10/99
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On November 10, 1999 at 00:16:39, Dann Corbit wrote: >>Chessmaster show 2 numbers and I understand that the first number is the brute >>force depth and the second number is the selective search depth. >>The default personality(tested by ssdf) has the parameter ss=6 >> >>If I see numbers like 4/10 the meaning(if I understand right) is that it looks >>at everything at depth 4,almost everything at depth 10 and does also extensions >>after it. > >That just means (to me) that they are not reporting the depth in plies but >something of their own measure. I also think that there can be two ply >measures: > >0. Actual depth in plies for exhaustive search (less pruning, nullmove...) >1. Speculative plies (capture extensions, check extensions, etc...) > >If we have a clear indication for both of these measures then I think that >programs would agree on the results most of the time. If someone has something >else and they call it a ply you cannot make any predictions because of that. I asked about these numbers in CM6k (and Junior)some months ago. Shep Answered as Blass stated above and added the example that to me meant: CM6K saying 4/10 (plus lets guess the furthest extension is 40) is the same as Fritz or Hiarcs saying 10/40 (Junior calls this 20) (I'm 63% sure on this Junior one) Cheers,
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