Keys "s"=save "l"=load "b"=back once
The queen has a knight's move also, and the other first-rank pieces are also knights. Pritchard calls this "Amazon Queen" chess but perhaps it is also called "Amazon Knights" chess. The "Amazon" is a common name for a queen which can also move as a knight.
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!