Invented chess variants
* Multiplayer Chess (date unknown) * High-Low Chess (1968) * Strange Relay Chess (1970s) * Coordinate Chess (or Co-Chess) (1973) * Conversion Chess (1973) * Co-Relay Chess (1973) * Double Conversion Chess (1973) * Heterocoalescence Chess (1973) by Philip Cohen, based on an idea by Betza * Inverter Chess (or Switch Chess) (1973) * Metamorphosis (c. 1973) * Pinwheel Chess (1973) * Reversion Conversion Chess (1973) * Transportation Chess (or Transchess) (1973) * Watergate Chess (1973) * Weak! (1973) * Biflux Chess (1974) a variant of Co-Chess * Brownian Motion Chess (1974) * Cassandra Chess (1974) * Orbital Chess (1974) * Overloader/Restorer Chess (O/R Chess) (1974) * Put-back Transchess (1974) * Almost Chess (1977) * Ambition Chess (1977) * Autorifle Chess (1977) after Bill Rawlings * Avalanche Chess (1977) * Blizzard Chess (1977) * Buzzard Chess (1977) * List Chess (1977) * Plague Chess (1977) after S. Walker; variants are Biological Warfare Chess, and Immunity * Twinkle Chess (1977) * Very Scottish Chess (1977) * Ghostrider Chess (1978) * Incognito Chess (1978) * Liars' Chess (1978) * Tutti-Frutti Chess (1978) with Philip Cohen * Chess with different armies (or Betza's Chess, or Equal Armies) (1979) * Suction Chess (1979) * One-Shot Chess (1980) * Swarm Chess (1980) * Koopa Chess (1990) * Way Of The Knight (WOTN) (1992) * Chess on a Really Big Board (or Four Board Chess, or Chess on Four Boards) (1996) * Earthquake Chess (1996) * Narrow Chess (1996) * Taxi Chess (1996) * Trapdoor Chess (1996) * The Game of Nemoroth (2002)References
* * Chess FIDE Masters American chess players Chess variant inventors 1945 births Living peopleExternal links