Author: Ed Schröder
Date: 00:44:30 10/15/99
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>Posted by Marcus Kaestner on October 14, 1999 at 04:01:40: > >in chessbits 3 i´ve made a test with the nunn-endgames (10 endgame-positions >played with both sides). every program one time with, one time without tb´s > >after abaout 140 games >h7.32 earned +5 elo for the tb-version >n7.32 earned +12 elo > >far the best was crafty 16.13 with +65 elo, topping even the score of hiarcs >7.32tb > >marcus Take this into account: Some programs may have so much chess knowledge in their programs that (the current) TB's have zero effect in the end. This will change as soon as the 6-man TB's (and up) will come, no doubt.. Other programs are developed to 100% rely on TB's and therefore have very few (or nothing) chess knowledge inside because there is no need for that. I don't know in to what extend this is true for Crafty but I am confident Bob will tell you. As a result you can not compare the value (elo gain) of TB's in this way as it will depend of what is already inside a program (or not). Rebel knows the most important ones such as (by head): - KRK - KNNK - KBNK - KPK - KRPKR - KNPKN - KBPKB - KQPKQ I am sure this list is not complete. Of course the bad-bishop situation is covered too. Some others are not covered such as KQKR (Hi Jim!) for which Rebel will rely on TB's in the future. Ed
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