http://www.chessvariants.org/index/msdisplay.php?itemid=MSchieftainchess
They don't have Capablanca Chess. There is, though, Embassy and Capablanca Random. I take it you mean the second.
Btw, Joe, I never gave you my setup for Chieftain chess, but it was something similar to this :
http://play.chessvariants.org/pbm/play.php?game%3DChieftain+Chess%26settings%3Ddefaulty
