Bitboard b = stmAttackers & bb[Pt];
if (!b)
- return min_attacker<Pt+1>(bb, to, stmAttackers, occupied, attackers);
+ return min_attacker<Pt + 1>(bb, to, stmAttackers, occupied, attackers);
occupied ^= b & ~(b - 1);
stp = stp->previous->previous;
// At root position ply is 1, so return a draw score if a position
- // repeats once earlier but after or at the root, or repeats twice
- // strictly before the root.
+ // repeats once earlier but strictly after the root, or repeats twice
+ // before or at the root.
if ( stp->key == st->key
- && ++cnt + (ply - i > 0) == 2)
+ && ++cnt + (ply - 1 > i) == 2)
return true;
}