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Fix an assert in KBK endgame

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The endgame king + minor vs king is erroneusly
detected as king + minor vs king + minor

Here the fix is to detect king + minor earlier,
in particular to add these trivial cases to
endgame evaluation functions.

Spotted by Reuven Peleg

bench: 4727133
This commit is contained in:
Marco Costalba
2013-07-27 08:22:12 +02:00
parent 7487eb0dca
commit 6373e88b5b
2 changed files with 13 additions and 11 deletions
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5
src/endgame.h
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@@ -33,6 +33,10 @@ enum EndgameType {
// Evaluation functions
KK, // K vs K
KBK, // KB vs K
KNK, // KN vs K
KNNK, // KNN vs K
KXK, // Generic "mate lone king" eval
KBNK, // KBN vs K
KPK, // KP vs K
@@ -42,7 +46,6 @@ enum EndgameType {
KQKP, // KQ vs KP
KQKR, // KQ vs KR
KBBKN, // KBB vs KN
KNNK, // KNN vs K
KmmKm, // K and two minors vs K and one or two minors