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)
- 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)
- Game of Nemoroth, The (2002)
References
Pritchard, D. B. (1994). The Encyclopedia of Chess Variants. Games & Puzzles Publications. ISBN 0-9524142-0-1..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
Pritchard, D. B. (2007). Beasley, John, ed. The Classified Encyclopedia of Chess Variants. John Beasley. ISBN 978-0-9555168-0-1.
