X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitbase.cpp;h=be6f0d0afd31d78a10ce6f46d002cf348c7371e2;hp=bef2dc49e2f1a91816dbacfd55ebcf975d312276;hb=a5e3b4eddede900c1df610e8e25026a79d706500;hpb=fb8095718bd0789d2743fa6216c6aa522555dc4b diff --git a/src/bitbase.cpp b/src/bitbase.cpp index bef2dc49..be6f0d0a 100644 --- a/src/bitbase.cpp +++ b/src/bitbase.cpp @@ -112,7 +112,7 @@ namespace { if ( distance(ksq[WHITE], ksq[BLACK]) <= 1 || ksq[WHITE] == psq || ksq[BLACK] == psq - || (stm == WHITE && (PawnAttacks[WHITE][psq] & ksq[BLACK]))) + || (stm == WHITE && (pawn_attacks_bb(WHITE, psq) & ksq[BLACK]))) result = INVALID; // Immediate win if a pawn can be promoted without getting captured @@ -120,13 +120,13 @@ namespace { && rank_of(psq) == RANK_7 && ksq[stm] != psq + NORTH && ( distance(ksq[~stm], psq + NORTH) > 1 - || (PseudoAttacks[KING][ksq[stm]] & (psq + NORTH)))) + || (attacks_bb(ksq[stm]) & (psq + NORTH)))) result = WIN; // Immediate draw if it is a stalemate or a king captures undefended pawn else if ( stm == BLACK - && ( !(PseudoAttacks[KING][ksq[stm]] & ~(PseudoAttacks[KING][ksq[~stm]] | PawnAttacks[~stm][psq])) - || (PseudoAttacks[KING][ksq[stm]] & psq & ~PseudoAttacks[KING][ksq[~stm]]))) + && ( !(attacks_bb(ksq[stm]) & ~(attacks_bb(ksq[~stm]) | pawn_attacks_bb(~stm, psq))) + || (attacks_bb(ksq[stm]) & psq & ~attacks_bb(ksq[~stm])))) result = DRAW; // Position will be classified later @@ -149,7 +149,7 @@ namespace { const Result Bad = (stm == WHITE ? DRAW : WIN); Result r = INVALID; - Bitboard b = PseudoAttacks[KING][ksq[stm]]; + Bitboard b = attacks_bb(ksq[stm]); while (b) r |= stm == WHITE ? db[index(BLACK, ksq[BLACK] , pop_lsb(&b), psq)]