void Position::set_check_info(StateInfo* si) const {
- si->blockersForKing[WHITE] = slider_blockers(pieces(BLACK), square<KING>(WHITE), si->pinnersForKing[WHITE]);
- si->blockersForKing[BLACK] = slider_blockers(pieces(WHITE), square<KING>(BLACK), si->pinnersForKing[BLACK]);
+ si->blockersForKing[WHITE] = slider_blockers(pieces(BLACK), square<KING>(WHITE), si->pinners[BLACK]);
+ si->blockersForKing[BLACK] = slider_blockers(pieces(WHITE), square<KING>(BLACK), si->pinners[WHITE]);
Square ksq = square<KING>(~sideToMove);
// Don't allow pinned pieces to attack (except the king) as long as
// all pinners are on their original square.
- if (!(st->pinnersForKing[stm] & ~occupied))
+ if (!(st->pinners[~stm] & ~occupied))
stmAttackers &= ~st->blockersForKing[stm];
// If stm has no more attackers then give up: stm loses