Keys "s"=save "l"=load "b"=back once
S S Blackburn proposed this in the 1920's, when Capablanca suggested that the rules for orthochess be revised.
King's bishop is repalced by a queen. Queen's rook is replaced by a marshall (R+N). Queen's bishop is replaced by a pegasus (B+N).
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!