Keys "s"=save "l"=load "b"=back once
White also wins by getting a knight to e6. Red wins if White does not have a unit on each of the three shades of blue. Ingo Althofer, 2003; in honor of Kasparov vs. Deep Blue. Note that if White begins with Nf3, any move except the sacrifice ...e5 loses at once.
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!