Pawn Progression Chess

If you had a Java-capable browser, you could play Pawn Progression Chess here.
Keys "s"=save "l"=load "b"=back once

Origins unknown. Here the pawns move as knights on their fifth ranks, bishops on their sixth ranks, rooks on their sevenths ranks, and queens on their eighth ranks. I disallowed en passant capturing.

Pawn Progression

Chess Variants

Meet Ed

These are simple illustrations rather than strong opponents.

Bug reports? -- Thank you! Keep them coming!