// Probe the material hash table
ei.mi = MaterialTable[threadID]->get_material_info(pos);
- ei.mgValue += ei.mi->mg_value();
- ei.egValue += ei.mi->eg_value();
+ ei.mgValue += ei.mi->material_value();
+ ei.egValue += ei.mi->material_value();
// If we have a specialized evaluation function for the current material
// configuration, call it and return
// Initialize pawn attack bitboards for both sides
ei.attackedBy[WHITE][PAWN] = ((pos.pawns(WHITE) << 9) & ~FileABB) | ((pos.pawns(WHITE) << 7) & ~FileHBB);
ei.attackedBy[BLACK][PAWN] = ((pos.pawns(BLACK) >> 7) & ~FileABB) | ((pos.pawns(BLACK) >> 9) & ~FileHBB);
- ei.kingAttackersCount[WHITE] = count_1s_max_15<HasPopCnt>(ei.attackedBy[WHITE][PAWN] & ei.attackedBy[BLACK][KING])/2;
- ei.kingAttackersCount[BLACK] = count_1s_max_15<HasPopCnt>(ei.attackedBy[BLACK][PAWN] & ei.attackedBy[WHITE][KING])/2;
+ Bitboard b1 = ei.attackedBy[WHITE][PAWN] & ei.attackedBy[BLACK][KING];
+ Bitboard b2 = ei.attackedBy[BLACK][PAWN] & ei.attackedBy[WHITE][KING];
+ if (b1)
+ ei.kingAttackersCount[WHITE] = count_1s_max_15<HasPopCnt>(b1)/2;
+
+ if (b2)
+ ei.kingAttackersCount[BLACK] = count_1s_max_15<HasPopCnt>(b2)/2;
// Evaluate pieces
for (Color c = WHITE; c <= BLACK; c++)