case QUEEN:
// In case of a queen remove also squares attacked in the other direction to
// avoid possible illegal moves when queen and king are on adjacent squares.
- if (direction_is_straight(checksq, ksq))
+ if (RookPseudoAttacks[checksq] & (1ULL << ksq))
sliderAttacks |= RookPseudoAttacks[checksq] | pos.attacks_from<BISHOP>(checksq);
else
sliderAttacks |= BishopPseudoAttacks[checksq] | pos.attacks_from<ROOK>(checksq);