Ralph Betza

Invented chess variants

• Multiplayer Chess
• High-Low Chess
• Strange Relay Chess
• Coordinate Chess
• Conversion Chess
• Co-Relay Chess
• Double Conversion Chess
• Heterocoalescence Chess by Philip Cohen, based on an idea by Betza
• Inverter Chess
• Metamorphosis
• Pinwheel Chess
• Reversion Conversion Chess
• Transportation Chess
• Watergate Chess
• Weak!
• Biflux Chess a variant of Co-Chess
• Brownian Motion Chess
• Cassandra Chess
• Orbital Chess
• Overloader/Restorer Chess
• Put-back Transchess
• Almost Chess
• Ambition Chess
• Autorifle Chess after Bill Rawlings
• Avalanche Chess
• Blizzard Chess
• Buzzard Chess
• List Chess
• Plague Chess after S. Walker; variants are Biological Warfare Chess, and Immunity
• Twinkle Chess
• Very Scottish Chess
• Ghostrider Chess
• Incognito Chess
• Liars' Chess
• Tutti-Frutti Chess with Philip Cohen
• Chess with different armies
• Suction Chess
• One-Shot Chess
• Swarm Chess
• Koopa Chess
• Way Of The Knight
• Chess on a Really Big Board
• Earthquake Chess
• Narrow Chess
• Taxi Chess
• Trapdoor Chess
• Game of Nemoroth, The