Author: Mark Young
Date: 16:48:45 11/11/98
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On November 11, 1998 at 11:33:23, odell hall wrote: > >On November 11, 1998 at 06:48:14, Mark Young wrote: > >>On November 11, 1998 at 06:25:36, Mark Young wrote: >> >>>sorry I see the hash size now, 16mb. I will recheck with that size. >> >> >>Now it plays your rebel 10 moves when set to 13mb hash and 10 mb hash. At lower >>hash size it plays like my Rebel 10 set at 120mb hash. Try this, play the same >>opening but set rebel 10 at 8 mb hash, and see if you still can win. > > > ??? I don't understand the logic. You don't need to understand my logic. Just play the move of the game at 8mb hash, you will see what I mean. Rebel at certain hash sizes plays like a different program with big eval changes when set on 8 mb hash for Rebel 10 playing with 10 mb hash. Very strange,,,but check it out you will see. example, when rebel 10 set on 8 mb hash at move 19 will play Bxg7 in a few seconds and stick with it. If I set the hash to 10mb it takes Rebel 10 over 6 mins to see that Bxg7 is better then Nxb5. Are you saying by lowering my hash table >size than I will get the same performance of your 125mb hash? Anyway i will try >this. I have asked the questions many times on this message board about how hash >tables affect the performance of chess programs without a satifactory answer. I >guess I will have to experiment on my own to answer this question. I always >assumed that hash tables made little difference with rebel. Don't get me wrong >my rebel is still playing bull strong because i have won only one game in 50!! , >but it just surprised me that I even one 1 game. Since I was unable to win on my >486. Once in three years, I expected that since i upgraded to the 233, I would >never ever win!
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