Sorry if this is known or not a bug.

Turn 8, me and marcusio fire at Tombster, and shotdown is awarded to marcusio (and to me, obviously :-P) even if "no relevant damages" have been done by him.

Game log:

8. Tombster was shot down by marcusiio.
8. Tombster was shot down by mig1off.
8. marcusiio fired at Tombster, distance 3 with no deflection. 1 points. No relevant damages. (Base:3,1Gun:-3,Tail:+1,Dice:+2).
8. mig1off fired at Tombster, distance 0 with no deflection. 13 points. Damage RRRR (Base:9,Stb:+2,Long:+2,Dice:+3).

Thanks, ciao!
Mig1off