Author: Uri Blass
Date: 16:22:26 12/31/02
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On December 31, 2002 at 18:59:07, Antonio Dieguez wrote: >On December 31, 2002 at 17:49:52, Uri Blass wrote: > >>From Ed programmer stuff >> >>Killer-One [current ply] 110 >>Killer-One [current ply-2] 108 >>Killer-Two [current ply] 106 >>Killer-Two [current ply-2] 104 >> >>I until today used only >> >>Killer-One [current ply] >>Killer-Two [current ply] >> >>I am interested to know if using 4 killers is a new idea or maybe this idea is >>known to be used by other programs. > >It is obviusly not a new idea, but a candidate to new idea is using exactly >those 4 killers, and the exact details of the rest of Rebel ordering. > >I use > >Killer-One [current ply] >Killer-Two [current ply] >Killer-Three [current ply] >Killer-Four [current ply] >Killer-One [current ply+2] You say that you use ply+2 and not ply-2 or maybe you say that you the first 4 are like Ed as "exactly those 4 killers suggest. > >When a killer causes a cut-off it win two places. >When a killer is the best move (with exact score) it win 3 places. Do you say that a killer that give something above alpha but not above beta win 3 places in case that you find nothing better than it? > >Also when the recommended move of the hashtable causes inmediate cutoff it win 3 >places. I thought that every time a move cause cutoff it is considered as the first killer move for that ply and the question if it is because of hash or because of other reasons is not relevant. Uri
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