page_title: Triangular chess
hierarchical_section_title: Triangular chess
caption_attribution_description: English: icons from Chess Utrecht (Hans Bodlaender); notation synthesis of Caevra (Jens Meder, inverted Klin Zha) and hex notation (Christian Freeling); all done in MS PAINT
context_page_description: 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. 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.
  Russian Ilshat Tagiev, who introduced a "neutrality rule" to three-player chess in the mid-2000s, took out a patent for a three-person variant of triangular chess on a hexagonal board in 2009.
context_section_description: 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. 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.
  Russian Ilshat Tagiev, who introduced a "neutrality rule" to three-player chess in the mid-2000s, took out a patent for a three-person variant of triangular chess on a hexagonal board in 2009.
caption: Triangular Chess and Tri-Chess gameboard and starting position
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