Triangular chess

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Triangular Chess and Tri-Chess gameboard and starting position

Triangular chess refers to a group of chess variants played on boards composed of triangular cells.

The best known is a chess variant for two players, Triangular Chess, invented by George R. Dekle, Sr. in 1986.[1][2] Dekle made another variation including fairy pieces which is called Tri-Chess. These two two-player games were included in World Game Review No. 10 edited by Michael Keller.[3][page needed][non-primary source needed]

Guide to Ilshat Tagiev's three-player chess (click image for extensive pdf rules tutorial) ‹See Tfd›(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[edit]



  • Interesting Engineering (2017). "Three Player Chess is Just as Crazy As it Sounds". Retrieved 25 November 2018. Cited in: [1].
  • Keller, Michael, ed. (June 1991). "A Panorama of Chess Variants". World Game Review. No. 10. Michael Keller. ISSN 1041-0546.
  • 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.
  • Sohail, Umer (2016). "Three Player Chess Is Now A Reality". Retrieved 25 November 2018.