First move: ##

   A  B  C  D  E  F  G  H
1 |  |  |  |  |  |  |  |  | 1
2 |  |  |  |  |  |  |  |  | 2
3 |  |  |  | 1| 6| 7|  |  | 3
4 |  |  |  |()|##| 8|  |  | 4
5 |  | 9| 2|##|()| 4|  |  | 5
6 |  |  |12| 5| 3|  |  |  | 6
7 |  |  |  |13|10|11|  |  | 7
8 |  |  |  |  |  |  |  |  | 8
   A  B  C  D  E  F  G  H

##:() - 11:6