Keys "s"=save "l"=load "b"=back once
Popular game at Columbia in the 1960's. Kelbs capture custodially, i.e., moving so that an enemy unit is between two kelbs. You can move between two kelbs without being captured.
The applet lets a pinned kelb call check.
This variant is supposed to derive from the Egyptian game senet.
These are simple illustrations rather than strong opponents.
Bug reports? -- Thank you! Keep them coming!