pi->qsStormValue[Us] += QStormTable[relative_square(Us, s)] + bonus;
// Our rank plus previous one. Used for chain detection.
- b = rank_bb(r) | rank_bb(Us == WHITE ? r - 1 : r + 1);
+ b = rank_bb(r) | rank_bb(Us == WHITE ? r - Rank(1) : r + Rank(1));
// Passed, isolated, doubled or member of a pawn
// chain (but not the backward one) ?