Author: Nicholas Cooper
Date: 18:04:47 07/15/99
Greetings all, I am considering purchasing Hiracs 7.32, an important factor being the use of tablebases. However, I have noticed that all of the 5-man tablebases require about 10 GB of disk space to store (ouch!). Given that I only have 2 GB of hard drive space available for tablebases, I was thinking of how one might reduce the number of 5-man tablebases included *without* drastically affecting the strength of endgame play. What do you think of omitting some of the promotion tablebases: for instance, after promoting the pawn in a KRP-KR endgame, is it really that helpful to have the KRQ-KR endgame tablebase? It's true that this may change the number of moves it might take to make but surely not the result. Granted this might muck up the number of moves to mate prediction when promotion occurs but from a practical point of view, this doesn't matter as long as the result isn't changed. What does anyone think?? Any other suggestions for how to chose a good 2 GB subset of the 10 GB 5-man tablebases are welcome. Thanks in advance for any help you can offer. Regards, Nick Cooper
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