if (relative_rank(Us, pos.square<KING>(Us)) == RANK_1)
kingRing[Us] |= shift<Up>(kingRing[Us]);
+ if (file_of(pos.square<KING>(Us)) == FILE_H)
+ kingRing[Us] |= shift<WEST>(kingRing[Us]);
+
+ else if (file_of(pos.square<KING>(Us)) == FILE_A)
+ kingRing[Us] |= shift<EAST>(kingRing[Us]);
+
kingAttackersCount[Them] = popcount(attackedBy[Us][KING] & pe->pawn_attacks(Them));
kingAttacksCount[Them] = kingAttackersWeight[Them] = 0;
}
constexpr Color Them = (Us == WHITE ? BLACK : WHITE);
constexpr Bitboard OutpostRanks = (Us == WHITE ? Rank4BB | Rank5BB | Rank6BB
- : Rank5BB | Rank4BB | Rank3BB);
+ : Rank5BB | Rank4BB | Rank3BB);
const Square* pl = pos.squares<Pt>(Us);
Bitboard b, bb;
constexpr Color Them = (Us == WHITE ? BLACK : WHITE);
constexpr Bitboard Camp = (Us == WHITE ? AllSquares ^ Rank6BB ^ Rank7BB ^ Rank8BB
- : AllSquares ^ Rank1BB ^ Rank2BB ^ Rank3BB);
+ : AllSquares ^ Rank1BB ^ Rank2BB ^ Rank3BB);
const Square ksq = pos.square<KING>(Us);
Bitboard weak, b, b1, b2, safe, unsafeChecks, pinned;