Author: Anthony Cozzie
Date: 06:41:20 05/06/04
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On May 06, 2004 at 04:29:57, Tord Romstad wrote: >On May 06, 2004 at 01:42:24, Jouni Uski wrote: > >>IMHO when all 4 piece TBs are 30 MB EVERYBODY has enough RAM (or disk space at >>least) for them. > >No. My mobile phone doesn't have enough RAM or disk space. Neither does my >Palm. > >>Isn't it totally unnecessary to include any knowledge for basic endings? > >If you intend to only run your engine on fast machines with huge amounts of >disk space and memory, and you expect all your users to download the complete >4 piece TBs (a big download for those who use dialup accounts), you might be >right. But even then, I think it is likely that spending some effort on >evaluating basic endgames well can be very useful. Studying the basic >endgames is probably a good way to discover and develop evaluation rules >and principles which are useful even in more complicated endgames. > >Another point is that some programmers, including myself, simply don't like >TBs, for several reasons. Apart from the reasons I have already mentioned >in other threads, I would like to point out the simple but important fact >that I did not write the TB code myself. I don't even have any idea how >Nalimov's code works. To me, there is no point at all in letting all basic >endgames by using TBs. I wouldn't learn anything at all by doing this. > >>Even Chessbase GUI handles them itself - no code is even needed! > >This is incorrect. The Chessbase GUI in itself doesn't help you much, >because it only enables you to probe the TBs at the root of the tree. If >the engine wants to handle all basic endgames by probing TBs, it needs to >be able to probe TBs inside the tree. The Chessbase GUI cannot help you >do this. > >Like so often, you also seem to forget that not all of us have any Windows >computers to play with. All the Chessbase programs are Windows-only. > >Tord Tord, I'm all about command line interfaces, C/assembly, optimized code, and 80s style computer science in general. But lets not go overboard :) The 4-man TBs are _30MB_. Even on dialup that is only a few hours. And it wouldn't be that hard to generate them on the fly when necessary. I'd like to get some time to work on the endgame play of Zappa, but right now I simply have other things to do. anthony
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