fix unnecessary disambiguation + simplify get_real_threats() code default tip

fix regression: pieces could not threaten fields when pinned

fix regression: pawns cannot block check threats

fix regression: missing promotion when simulating threats

fix bug when parsing checkmate indicator

major refactoring of rules API

add dependency on fen.h for rules.c

convert some macros to static inline functions

refactor rules.h / rules.c

add another game to test stalemate detection

(0) -100 -10 tip

mercurial