Author: Amir Ban
Date: 14:04:02 09/02/98
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On September 02, 1998 at 13:57:23, Ed Schröder wrote: >>>>If specific answers can be obtained, then what do these answers suggest for >>>>future design guidelines for chess engines? > >>>For playing against (todays!) computers: add much more tactical stuff. > >>>For playing against (strong) humans: different playing style. > >>>- Ed - > >>(1) Ed Schröder's idea above sounds like it may be the key: Select the best >>"anti-human" playing style. > >>(2) Now, what remains to be said is what, specifically, we mean by a "playing >>style," and to identify, define, and itemize the specific elements of the best >>"anti-human playing styles." To be complete, it also should be said: how and >>why those specific elements contribute to the strength of the engine against >>humans. > >Impossible to give a definition. What's in Rebel is mainly balanced and well >tuned stuff through the years. Rebel doesn't take huge risks except for some >specific king attack patterns (when the king is forced to enter the 3th row or >above). If you enter the well known 1.e4 Nf6 2.Bc4 Nxe4 3.Bxf7+ Kxf7 4.Qh5+ >Rebel will immediately pick 4..Kg8 as best move. I think this kind of knowledge >is crucial playing strong human players. > >I also believe that the playing style of a chess program is strongly related to >the goals of the programmer. Possibilities: >a) Make the best program against computers; >b) Make the best program against humans; >c) Make the program the best finder in tactics; >d) More? > >In case of (a) auto232 results are decisive. In case of (b) the "good >feeling" of a chess programmer about a version is decisive. Case >(c) is self-understood. > >Of course all programmers have their own priorities. >For Rebel this since day one has been: >(a) 20% >(b) 60% >(c) 20% > >- Ed - But this is all just restating what you believe in. You do nothing to convince someone who is undecided on this point. How do you propose to prove this ? There are several programs who are about equal to Rebel in comp-comp competition. Is Rebel significantly stronger than them against humans ? It should be possible to demonstrate this. Amir
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