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| author | Mario Lang <mlang@delysid.org> | 2004-02-22 23:40:27 +0000 |
|---|---|---|
| committer | Mario Lang <mlang@delysid.org> | 2004-02-22 23:40:27 +0000 |
| commit | d2737cb1b780127ab60211ad02b1b778bf6714af (patch) | |
| tree | 946d6a1ef53c53ed188e82d2bbc58d61dc9cb98e | |
| parent | 65de55274ce8d49fa67bb555050e2481ebcad2c5 (diff) | |
(chess-eval-static): Primitive mobility handling, makes play a lot more aggressive :)
| -rw-r--r-- | chess-ai.el | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/chess-ai.el b/chess-ai.el index 7aeabe8..55e31f5 100644 --- a/chess-ai.el +++ b/chess-ai.el @@ -102,6 +102,18 @@ reply moves. You can only specify the search depth (see `chess-ai-depth')." (* (length (chess-pos-passed-pawns position nil black-pawns)) chess-ai-passed-pawn)))) + ;; Mobility + (setq v (+ v + (- (length (append (chess-legal-plies position :piece ?Q) + (chess-legal-plies position :piece ?R) + (chess-legal-plies position :piece ?B) + (chess-legal-plies position :piece ?N)) + ) + (length (append (chess-legal-plies position :piece ?q) + (chess-legal-plies position :piece ?r) + (chess-legal-plies position :piece ?b) + (chess-legal-plies position :piece ?n)) + )))) (if (chess-pos-side-to-move position) v (- v))))))) |