3
to move and mate in 7 moves
7
200
White's new Queen checks on the rank and file, while  preventing checks by Black's new Queen.
15,7,48,56,;
7,4,56,32,;
4,28,1,0,;
28,7,32,37,;
7,56,37,32,;
56,32,0,1,;
32,8,;
0
1 11
3 5
9 6
15 0
17 0
48 6
-1
