American chess player (born 1945)
Ralph Betza (born April 16, 1945)[1] is aFIDE Master and inventor ofchess variants such aschess with different armies,Avalanche chess, andWay of the Knight.
Betza was a user of the websiteThe Chess Variant Pages, on which several chess related works of his can be found. These include the rules of his chess variants, his article on hisfunny notation, and articles about the value offairy chess pieces.
Invented chess variants
[edit]- 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) byPhilip 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) withPhilip 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)
