Keys "s"=save "l"=load "b"=back once
Seth McGinnis says that this game has been invented multiple times. Pawns occasionally explode after being moved, destroying everything on adjacent squares.
Cyberfriend Pekka Karjalainen suggested that capturing the king after an explosion leaves him en prise be forbidden. Thank you -- I have implemented this.
Nuclear Pawn Chess is the name given at Hans Bodlaender's site
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!