- Active Chess. Two queens, 9x8.
- Airplane Chess. Airplanes move as queens any distance, capturing by landing just beyond an enemy unit.
- Ambi-Chess. Large board with two kings, move a member of each of two armies each turn.
- Ambi-Chess II. Missing description
- Angel Chess. 9x8 board. Angels (Q+N) are difficult to exchange.
- Bear Chess. Russian variant with new piece.
- Besiege Chess. Large variant with White on either side, Black in center.
- Big Board Chess. Large set with setup phase.
- Bird's Chess. Large variant by the grandmaster.
- Buczo's Chess. Large board game with extra Knights and underpromotion available on 8th and 9th ranks.
- Capablanca Chess. 8x10 board variant by the grandmaster.
- Capablanca Chess 10x10. 10x10 board variant by the grandmaster.
- CardChess for Four. Utilizes the two key elements of card games: four suits and the ability to place cards face down to hide their values.
- CardChess for Teams. Utilizes the two key elements of card games: four suits and the ability to place cards face down to hide their values.
- CardChess for Three. Utilizes the two key elements of card games: four suits and the ability to place cards face down to hide their values.
- CardChess for Two. Utilizes the two key elements of card games: four suits and the ability to place cards face down to hide their values.
- Carrera Chess. 10x8 version described in 1617.
- Chancellor Chess. Classic 9x9 board with rook-knight.
- Cheshire Cat Chess, 10 x 10. Missing description
- Chimera Chess. Chimeras cannot capture or be captured, but swap positions with the enemy units.
- Ciccolini's Chess. Large variant from the early 1800's.
- Cincinnati Four-Way Chess. Four player chess variant from Cincinnati.
- Circean Chess. Large variant in which pawns evolve into kings.
- Citadel Chess. A variant of Shatranj, played on a ten by ten board with four extra citadels.
- Coffee Chinese Chess. A freeware Java applet for playing Chinese Chess.
- Courier Chess. Early German version.
- Cuban Chess. 10x10 variant from Havana with Vampire Bats that move as King, Knight or Zebra.
- Dabbabante Chess. 2,0 runner need not stop for intervening units.
- Decimal Four-Player Chess I. Checkmate either opposing teammate for the win.
- Decimal Four-Player Chess II. Checkmate either oppoenent for the win.
- Decimal Four-Player Chess III. Checkmate either opponent for the win.
- Decimal Four-Player Chess IV. Checkmate either opponent for the win.
- Diamond Chess II. Game on diamond-shaped board with 98 triangular cells.
- DoubleWide Chess. Variant where two complete chess sets (including two Kings per side) are set up on a doublewide board.
- The Duke of Rutland's Chess. 14x10 version.
- Echexs. Hexagonal variant for three players.
- Falcon Chess. Missing description
- Four-Handed Chess -- Standard. Four handed chess on plus-shaped board.
- Gess Applet . Missing description
- Grand Chess. Considered among the best of the large-board setups.
- Grande Acedrex. Java applet that plays Grande Acedrex.
- Haigh's Chess. Variant on a 8x12 board with doubled arrays.
- Hexachess. Hexagonal Chess with lots of Pawns on a peanut-shaped board.
- Howell's Chess. The usual array and moves on a 10x10 board.
- Immobilizer Chess. The immobilizer does not capture, but renders adjacent enemy.
- Imperial Chess I. Four-player game on circular board, also called Chez.
- Imperial Chess II. Standard array with extra Pawns on a round board.
- Imperial Chess III. Four-player all-against-all game on a cross-shaped board.
- Indian/Turkish Grand Chess. An Indian/Turkish and very playable historic variant on a 10 by 10 board.
- Janus Chess. Large board variant.
- Konigsritter. Four-player game on curiously-shaped board with one player having a different army than the others.
- Martian Chess. Large variant from the book The Chessmen of Mars.
- Medusa Chess. Non-capturing medusas petrify enemy units.
- Medusa Chess III. Medusas petrify enemy units they attack and capture as Queens.
- Melee Chess. Large variant, win by entering enemy castle.
- Memory CardChess for Four. Prior to each turn, turn over a card if it is available. If it is your unit, it is activated, otherwise, remember where it was.
- Memory CardChess for Teams. Prior to each turn, turn over a card if it is available. If it is your unit, it is activated, otherwise, remembers where it was.
- Memory CardChess for Three. Prior to each turn, turn over a card if it is available. If it is your unit, it is activated, otherwise, remember where is was.
- Memory CardChess for Two. Like regular CardChess, but cards are flipped face down when not moving.
- Mexican Chess. Large variant from Mexico with 3,1 jumpers.
- Mideastern Chess. Actually a California variant resembling "Tamurlane" chess.
- Mimotaur Chess. Mimotaurs move as queens, may only capture a unit.
- Ministers Chess. Two queens on each side on a 9x9 board, available commercially.
- Modern Chess. Latin American 9x9 version.
- Mysore Chess. Large variant by an 18th century Indian king.
- New York Twins Chess I. Large board with two kings. Checkmate either one.
- New York Twins Chess II. Large board with two kings. Capture one, then checkmate the other.
- Non-Random CardChess for Four. Cardchess with predetermined locations for card pieces.
- Non-Random CardChess for Teams. Cardchess with predetermined locations for card pieces.
- Non-Random CardChess for Three. Cardchess with predetermined locations for card pieces.
- Non-Random CardChess for Two. Cardchess with predetermined locations for card pieces.
- Omega Chess. Commercial chess variant on board with 104 squares.
- Renezans Chess. Proprietary game, 9x9, in which the occupant of the center.
- Riley's Four Army Chess. Several ways to win.
- Roman Chess. 10x10 variant available commercially.
- Rotary. Missing description
- Russian Fortress Chess. Missing description
- Super Chess II. Proprietary game from the 1970's.
- Super Chess III. Big proprietary game with archers and cyclopses.
- Tamerlane Chess. Old Persian large-board game, widely-played in medieval times.
- Twin Orthodox Chess. Two kings on a 10x10 board.
- Wildebeest Chess. Game with several kinds of jumpers; one of the more-often played large-board variants.
- Wolf Chess. Older European game with unusual pieces.
Total items listed: 83