Author: Bas Hamstra
Date: 17:20:41 07/04/01
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On July 04, 2001 at 01:00:38, Uri Blass wrote: >On July 03, 2001 at 18:17:36, Bas Hamstra wrote: > >>On July 03, 2001 at 17:18:25, Uri Blass wrote: >> >>>On July 03, 2001 at 16:59:02, Bas Hamstra wrote: >>><snipped> >>>>Personally I have a problem believing it is possible to maintain such a rating >>>>while searching 4 ply. >>> >>>I have no problem to believe that it is possible to maintain such a rating while >>>searching 4 plies. >>> >>>You only need to call the rest of the plies in the name: "extensions". >>> >>>Uri >> >>That is hardly possible. At first I would say it is impossible to search only 4 >>4 "quiet" positional moves and still survive. What about a subtil tactic made >>out of many quitet moves? But then again, Genius does quite an impressive job >>with only 6 ply positional and a huge tactical search on top of that. Ok, >>possible in principal, but very difficult. > >I guess that you do not have chessmaster6000 >It shows very small depthes in the first number >chessmaster6000(ss=10) is even worse and often needs some minutes to get into >depth 2. > >Chessmaster6000 shows 2 numbers. >I guess that the first number is the brute force and the second number is search >with null move pruning. > >depth 1/11 means 1 ply brute force and 11 plies with null move >pruning+extensions so the main line is usually more than 11 plies. > >If you call search with null move pruning extensions you have no problem to see >that chessmaster(ss=10) is searching usually less than 4 plies in the middle >game. > >It is only a question of definitions > >Uri If you call search with nullmove pruning extensions? Except this is nonsense, I think you misinterprete those 1/11 numbers. Bas.
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