Balbo's Game

Balbo's Game board and starting setup

Balbo's Game is a chess variant invented by M. [Monsieur] G. Balbo in 1974.^[1]^[2] The chessboard has a novel shape comprising 70 squares, and each player commands a full chess army minus one pawn.

The game was featured in Le Courrier des Echecs magazine, September 1974.

Game rules

The starting setup is as shown. All the rules of chess apply, except there is no castling, and promotion squares are specially defined:

At the ends of files d through h, pawns have normal promotion options.
At the ends of files c and i, pawns may promote only to a bishop or knight.

References

↑ Pritchard (1994), p. 16
↑ Pritchard (2007), p. 116

Bibliography

Pritchard, D. B. (1994). The Encyclopedia of Chess Variants. Games & Puzzles Publications. ISBN 0-9524142-0-1.
Pritchard, D. B. (2007). Beasley, John, ed. The Classified Encyclopedia of Chess Variants. John Beasley. ISBN 978-0-9555168-0-1.

External links

Balbo's chess by Hans Bodlaender, The Chess Variant Pages
Balbo's Game a simple program by Ed Friedlander (Java)

Chess variants

Orthodox rules

Different starting position	Chess960 Displacement chess Transcendental Chess
Different number of pieces	Dunsany's Chess Handicap
Unorthodox board	Balbo's Game Circular chess Cross Chess Cylinder chess Double Chess Flying chess Grid chess Hexagonal chess Infinite chess Los Alamos chess Masonic Chess Millennium 3D Chess Minichess Rhombic Chess Three-dimensional chess Trappist-1

Unorthodox
rules with
traditional
pieces

Standard 8×8 board	Andernach chess Atomic chess Beirut Chess Checkless chess Circe chess Crazyhouse Cubic Chess Dynamo Chess Extinction chess Hostage Chess Knight relay chess Legan chess Losing Chess Madrasi chess Monochromatic chess Patrol chess PlunderChess Portal Chess Progressive chess Three-check chess Way of the Knight
Multimove variants	Avalanche chess Kung-Fu Chess Marseillais chess Monster chess Progressive chess
Elements of chance	Dark chess Dice chess Knightmare Chess Kriegspiel Penultima
Unorthodox rules on an unorthodox board	Alice Chess Apocalypse Chad Chessence Congo Diplomat chess Dragonfly Jeson Mor Parallel Worlds Chess Rollerball

Unorthodox
rules using
nontraditional
pieces

Standard 8×8 board	Baroque Berolina Chess with different armies Duell Falcon-Hunter Chess Grasshopper chess Pocket Mutation Chess
Empress and/or princess pieces	Almost Chess Capablanca Chess Capablanca Random Chess Chigorin Chess Embassy Chess Grand Chess Janus Chess Maharajah and the Sepoys Modern Chess Seirawan chess
Unorthodox boards	Chesquerque Chess on a Really Big Board Dragonchess Gess Omega Chess Stratomic Triangular Chess 2000 A.D. Wildebeest Chess Wolf Chess
Multiplayer	Bosworth Bughouse chess Business chess Djambi Enochian chess Forchess Fortress chess Four-player chess Quatrochess Three-Man Chess Three-player chess Tri-Chess

Inspired games

Chess-related
games

Historical	Chaturaji Courier chess Grant Acedrex Shatranj Short assize Tamerlane chess
Regional	Banqi Game of the Three Kingdoms Hiashatar Janggi Jungle Ouk-Khmer Makruk Manchu chess Senterej Shatar Shogi Sittuyin Xiangqi

Software

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