X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fposition.cpp;h=994e1c767ccfc05cce8e41c4bf35bab967a4c484;hb=c73f33f37e56048f4e137dd5e5118367eb072a05;hp=0a6c240cedc8eb010db1191ff0fcf07efafb379d;hpb=42b48b08e81b55e385e55b3074b7c59d81809a45;p=stockfish diff --git a/src/position.cpp b/src/position.cpp index 0a6c240c..994e1c76 100644 --- a/src/position.cpp +++ b/src/position.cpp @@ -641,7 +641,7 @@ bool Position::gives_check(Move m, const CheckInfo& ci) const { return true; // Is there a discovered check? - if ( unlikely(ci.dcCandidates) + if ( ci.dcCandidates && (ci.dcCandidates & from) && !aligned(from, to, ci.ksq)) return true; @@ -870,7 +870,7 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI st->checkersBB |= to; // Discovered checks - if (unlikely(ci.dcCandidates) && (ci.dcCandidates & from)) + if (ci.dcCandidates && (ci.dcCandidates & from)) { if (pt != ROOK) st->checkersBB |= attacks_from(king_square(them)) & pieces(us, QUEEN, ROOK);