I found this interesting site: Экзотические шашки (Exotic checkers). It is in russian language, but there are enough diagramms. Beside other checkers variants, it contains three chess+checkers variants.
(hide) Tired of placing boats or Espionage pieces at the begining of the game? You can go to Game Editors and save some of your favourite positions for future use. (pauloaguia) (show all tips)