Author: Renze Steenhuisen
Date: 07:45:31 05/05/04
Go up one level in this thread
On May 04, 2004 at 16:46:14, Dieter Buerssner wrote:
>On May 04, 2004 at 10:44:43, Tord Romstad wrote:
>
>>When there is little thinking time left, my engine annoyingly often fails to win
>>KQKR endgames.
>
>Does it really happen often? I cannot remember to have seen this endgame in
>enginematches. Of course, I will have forgotten, but it may indicate, that it
>does not happen often (or that typically both opponents have TBs, and resigned
>long before).
>
>>Are there any simple but effective eval tricks which can help to
>>play such endgames well without searching very deeply?
>
>Ernst A. Heinz suggests (w = Q/winning side, l = losing side)
>
>score = 400 + 1/8 * dist(K_l,R) - 1/8 * edge_dist(K_l)
> - 1/8 * corner_dist(K_l) - 1/8 * dist(K_l, K_w)
>
We might have been reading different articles then but I read:
[KQ]l[KR]w = 8 + 1/8*dist([K]l,[Q]l)
- 1/4*edge_dist([K]l)
- 1/16*dist([K]l,[K]w)
[KQ]w[KR]l = 4 + 1/8*dist([K]l,[R]l)
- 1/8*edge_dist([K]l)
- 1/8*dist([K]l,[K]w)
- 1/8*corner_dist([K]l)
Cheers!
Renze
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