# Triangular chess

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Group of chess variants

This article is about chess variants with triangular cells. For Dekle's variants with triangular cells, see [Triangular Chess](/source/Triangular_Chess).

Triangular Chess and Tri-Chess gameboard and starting position

***Triangular chess*** refers to a group of [chess variants](/source/Chess_variant) played on [boards](/source/Board_game) composed of [triangular](/source/Triangular) cells.

The best known is a [chess variant](/source/Chess_variant) for two players, [Triangular Chess](/source/Triangular_Chess), invented by [George R. Dekle Sr.](/source/George_R._Dekle_Sr.) in 1986.[1][2] Dekle made another variation including [fairy pieces](/source/Fairy_chess) which is called [Tri-Chess](/source/Triangular_Chess#Tri-Chess). These two two-player games were included in *World Game Review* No. 10 edited by Michael Keller.[3][*[page needed](https://en.wikipedia.org/wiki/Wikipedia:Citing_sources)*][*[non-primary source needed](https://en.wikipedia.org/wiki/Wikipedia:No_original_research#Primary,_secondary_and_tertiary_sources)*]

Guide to Ilshat Tagiev's three-player chess (click image for extensive pdf rules tutorial) (in Russian)

Russian Ilshat Tagiev, who introduced a "neutrality rule" to three-player chess in the mid-2000s,[4][5] took out a patent for a three-person variant of triangular chess on a hexagonal board in 2009.[6]

## See also

- [Hexagonal chess](/source/Hexagonal_chess)

- [Trishogi](/source/Trishogi)—a [shogi variant](/source/Shogi_variant) with triangular cells

## References

1. **[^](#cite_ref-FOOTNOTEPritchard1994321–22_1-0)** [Pritchard (1994)](#CITEREFPritchard1994), pp. 321–22

1. **[^](#cite_ref-FOOTNOTEPritchard2007213_2-0)** [Pritchard (2007)](#CITEREFPritchard2007), p. 213

1. **[^](#cite_ref-FOOTNOTEKeller1991_3-0)** [Keller (1991)](#CITEREFKeller1991)

1. **[^](#cite_ref-FOOTNOTESohail2016_4-0)** [Sohail (2016)](#CITEREFSohail2016)

1. **[^](#cite_ref-FOOTNOTEInteresting_Engineering2017_5-0)** [Interesting Engineering (2017)](#CITEREFInteresting_Engineering2017)

1. **[^](#cite_ref-6)** [Patent number 86486 – Шахматная игра (Chess game) – Ilshat Tagiev](http://www.bankpatentov.ru/node/16823) [Archived](https://web.archive.org/web/20181125115655/http://www.bankpatentov.ru/node/16823) 2018-11-25 at the [Wayback Machine](/source/Wayback_Machine) (in Russian)

**Bibliography**

- Interesting Engineering (2017). ["Three Player Chess is Just as Crazy As it Sounds"](https://interestingengineering.com/three-player-chess-just-crazy-sounds). *InterestingEngineering.com*. Retrieved 25 November 2018. Cited in: [\[1\]](http://www.blackdiamondsocialclub.com/single-post/2017/11/17/Three-Player-Chess-is-Just-as-Crazy-As-it-Sounds?fb_comment_id=1315469431825556_1320493621323137).

- Keller, Michael, ed. (June 1991). "A Panorama of Chess Variants". *World Game Review*. No. 10. Michael Keller. [ISSN](/source/ISSN_(identifier)) [1041-0546](https://search.worldcat.org/issn/1041-0546).

- [Pritchard, D. B.](/source/David_Pritchard_(chess_player)) (1994). *The Encyclopedia of Chess Variants*. Games & Puzzles Publications. [ISBN](/source/ISBN_(identifier)) [0-9524142-0-1](https://en.wikipedia.org/wiki/Special:BookSources/0-9524142-0-1).

- [Pritchard, D. B.](/source/David_Pritchard_(chess_player)) (2007). Beasley, John (ed.). *The Classified Encyclopedia of Chess Variants*. John Beasley. [ISBN](/source/ISBN_(identifier)) [978-0-9555168-0-1](https://en.wikipedia.org/wiki/Special:BookSources/978-0-9555168-0-1).

- Sohail, Umer (2016). ["Three Player Chess Is Now A Reality"](https://wonderfulengineering.com/three-player-chess-is-just-as-crazy-as-it-sounds/). *WonderfulEngineering.com*. Retrieved 25 November 2018.

v t e Chess variants (list) Orthodox rules Different starting position Fischer random chess Displacement chess Transcendental chess Different number of pieces Dunsany's chess Handicap Unorthodox board Balbo's game Circular chess Cylinder chess Double chess Grid chess Hexagonal chess (Cross chess, Masonic chess) Infinite chess Millennium 3D chess Minichess (Los Alamos chess) Rhombic chess Spherical chess Three-dimensional chess Triangular chess Unorthodox rules with traditional pieces Standard 8×8 board Andernach chess Atomic chess Beirut chess Checkless chess Chessplus Circe chess Crazyhouse Cubic chess Dynamo chess Extinction chess Hostage chess Knight relay chess Legan chess Losing chess Madrasi chess Monochromatic chess Patrol chess 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 5D Chess with Multiverse Time Travel Alice chess Apocalypse Chad Chessence Congo Diplomat chess Dragonfly Jeson Mor Parallel worlds chess Rollerball Unorthodox rules using non-traditional pieces Standard 8×8 board Baroque Berolina Chakra Chess with different armies Duell Falcon–hunter chess Grasshopper chess Musketeer chess Pocket mutation chess Cheskers Compound pieces Almost chess Capablanca Chess Capablanca random chess Gothic chess Grotesque chess Ladorean chess Maura's Modern chess Schoolbook chess Seirawan chess Univers chess Chancellor chess Grand Chess Embassy chess Janus Chess Maharajah and the Sepoys Modern chess Tutti-frutti chess Unorthodox boards and pieces 2000 A.D. Chesquerque Chess on a really big board Courier-Spiel Dragonchess Gess Omega Chess Stratomic Dekle's triangular chess Wildebeest chess Wolf chess Multiplayer Bosworth Bughouse chess Business chess Djambi Duchess Enochian chess Forchess Fortress chess Four Fronts Four-player chess Gala Hand and brain Quatrochess Superchess Three-man chess Three-player chess Tri-chess Inspired games Arimaa Camelot Jetan Martian Chess Navia Dratp The Duke Chess-related games Historical Chadarangam Chaturaji Chaturanga Courier chess Grant Acedrex Semedo Shatranj Short assize Great chess Tamerlane chess Great chess Completed Turkish Great chess Regional Janggi variants Makruk Senterej Shatar Shatra Shogi Chu shogi Dai shogi Other variants Sittuyin Xiangqi Jungle Banqi Manchu chess Game of the Three Kingdoms Game of the Three Friends Game of the Seven Kingdoms Other variants Software ChessV XBoard Fairy-Max Zillions of Games Related Correspondence chess Fairy chess Fairy chess piece Fairy Chess Review The Chess Variant Pages Checkers

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Adapted from the Wikipedia article [Triangular chess](https://en.wikipedia.org/wiki/Triangular_chess) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Triangular_chess?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.