if (ei.pi->semiopen(Us, file_of(s)))
score += ei.pi->semiopen(Them, file_of(s)) ? RookOpenFile : RookSemiopenFile;
- if (mob > 6 || ei.pi->semiopen(Us, file_of(s)))
+ if (mob > 3 || ei.pi->semiopen(Us, file_of(s)))
continue;
Square ksq = pos.king_square(Us);