Ralph Betza
Ralph Betza (born 1945) is a FIDE Master and inventor of chess variants such as Chess with different armies, Avalanche chess, and Way of the Knight.
Invented chess variants
- Multiplayer Chess (date unknown)
- Inverter Chess (or Switch Chess) (1963)
- Strange Relay Chess (1970s)
- Coordinate Chess (or Co-Chess) (1973)
- Conversion Chess (1973)
- Co-Relay Chess (1973)
- Double Conversion Chess (1973)
- Metamorphosis (c. 1973)
- Pinwheel Chess (1973)
- Transportation Chess (or Transchess) (1973)
- Watergate Chess (1973)
- Weak! (1973)
- Biflux Chess (1974) a Co-Chess variant
- 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
- Twinkle Chess (1977)
- Very Scottish Chess (1977)
- Ghostrider Chess (1978)
- Incognito Chess (1978)
- Liars' Chess (1978)
- Tutti-Frutti Chess (1978) with Philip Cohen
- Suction Chess (1979)
- Chess with different armies (or Betza's Chess or Equal Armies) (1980)
- One-Shot Chess (1980)
- Swarm Chess (1980)
- Way Of The Knight (WOTN) (1992)
- Taxi Chess (1996)
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