First move: ##

   A  B  C  D  E  F  G  H
1 |  |  |  |  |  |  |  |  | 1
2 |  |  |14|13|16|21|  |  | 2
3 |  |12| 2| 3|20| 7|18|  | 3
4 |  |11| 1|()|##| 6|19|22| 4
5 |  |17| 4|##|()| 9|  |  | 5
6 |  |  |10| 5| 8|15|  |  | 6
7 |  |  |  |  |23|  |  |  | 7
8 |  |  |  |  |  |  |  |  | 8
   A  B  C  D  E  F  G  H

##:() - 15:12