4 ms·
castling:req K&R 1st rank,never moved,no pieces between;can't castle out of,through,or into check;single move:Ke>g&Rh>f or Ke>c&Ra>d 134 bytes, not compressed.
by a1369209993 12y ago
castling:req K&R 1st rank,never moved,no pieces between;can't castle out of,through,or into check;single move:Ke>g&Rh>f or Ke>c&Ra>d
134 bytes, not compressed. Did I miss anything?