7...N(2,6)
Formation chess
Sort:
8...(4,5)
9...Q(-2,5)
10...Qx(-6,9)
Which knight to (-7,8)?
11...Qx(-5,10)
12...(7,6)
13...N(5,6)-(7,7)
To my knowledge this is the largest span of chess pieces that ever occurred, although maybe some of your work with Chu Shogi has seen bigger boards?
Btw this image is about 800 pixels wide, so you might be able to zoom in if you need better resolution, or you can open it with another application. (but compared to a digital photo it's still tiny, so no worries about too big a file).
14...(10,12)
Q(-1,-4)