Authors Starting with R
- Becca Rabong [info] Paloma Chess. Game with Royal Queen, promotable Kings, and an unusual array. (8x8, Cells: 64)
- Filip Rachunek [info] BrainKing.com. Play by email site that lets you play several chess variants.
- Vincenzo Rapisardi [info] Babel Chess. Sub-variant of Banzai where you can push more than 1 piece per move. (8x8, Cells: 64) Banzai Chess. Friendly pieces can be pushed and pushed pieces can bounce. (8x8, Cells: 64)
- John Reece [info] Straights. Chess-like Naval Battle game from the end of the 19th Century. (9x11, Cells: 81)
- Mike Reeves-McMillan [info] Merger Chess. Pieces are merged into the capturing piece. (8x8, Cells: 64)
- Ken Regan [info] Baseline chess with Fischer rules. Start with dropping major pieces on baseline, a variant that uses rules from Fischer Random Chess but is not random. (8x8, Cells: 64)
- Kenneth Regan [info] Tandem-Pawn Chess. Pawns are tandems of two pawns, which can move or capture as a unit, or decouple into two pawns. (8x8, Cells: 64)
- David Regis [info] Monster Chess. One player has only a king and four pawns, but makes double moves.
- V. Reinhart [info] Chess on an Infinite Plane. Chess game with no boundaries (infinite board), and Guard, Chancellor, and Hawk. () Trappist-1. Chess game with no boundaries. includes Guard, Chancellor, Hawk, and Huygens. ()
- Ben M Reiniger [info] XiangQi Crafted Pieces. Photos of a hand-built XiangQi set. Apocalypse. Small variant of knights and pawns; objective is to take all pawns. Armor Chess. Personal shields protect pieces from one of the 8 directions., more...
- Yu Ren Dong [info] Chess with Different Periods. Missing description (6x6, Cells: 36) Groundskeeper Chess. Missing description (8x8, Cells: 64) Huntsman Chess. Missing description (9x9, Cells: 80) , more...
- Dave Reynolds [info] 10th Anniversary World Circular Chess Tournament. 10th Anniversary World Circular Chess Tournament.
- Jim Reynolds [info] Not Chess. Mixes elements of Chinese and FIDE Chess.
- Eric Richardson [info] Eric's 40-square Fiasco!. Game on 5 by 8 board with three pieces that start in reserve. (5x8, Cells: 40)
- Johan Richter [info] Center of Attention. In addition to regular rules, win by moving your King to a center square. (8x8, Cells: 64)
- Jeff Rients [info] By Rook Or by Crook. Chess in the round on a hexagonal board with 42 trapezoidal squares. (Cells: 42) Enochian Chess. Four-player team variant of the Golden Dawn. (8x8, Cells: 64) Knight Chase. Game played on with two Knights on a Chessboard with differing goals. (8x8, Cells: 64) , more...
- Peter Riessen [info] Arktur. Two kings and randomized setup. (8x8, Cells: 64)
- Patrick Riley [info] 4 Armies. Each player controls two armies. (10x10, Cells: 100) Fault Line. Fault Line. (8x6, Cells: 40)
- martin rinab [info] ObstructionChess.com. A new chess variant designed to challenge old strategies and improve your chess play with logical and organic obstructions. (8x8, Cells: 64)
- Karen Robinson [info] Citadel. Simple chess variant from early 20th century on 45 degrees turned board. (8x8, Cells: 64)
- Karen Robinson [info] Safe Passage. Move pieces to opposite side without putting pieces in danger of capture. Temple Island Chess. Solo game with shadow pieces.
- Karen Robinson [info] Using chess sets to play mini-sukoku (6x6). Missing description (8x8, Cells: 64) Chess Contradance. Move pieces to the other side of the board without attacking each other. Games by Karen Deal Robinson. Website describing original game inventions of Karen Robinson.
- William Robinson [info] Chess Warriors . Customizable strategy war game played on a checkerboard.
- Anthea Rock [info] Boardgaminginfo.com. Site that has information on how to play board games.
- Clark Rodeffer [info] Dino-Czars. Battle between rival dinosaurs on a board of 42 triangles, where facing counts. (Cells: 42) Dino-Czars . Battle between rival dinosaurs on a board of 42 triangles, where facing counts.
- Tom Rogers [info] Forchess . Four player chess variant on 8 by 8 board.
- Richard Rognlie [info] Richard's Play-By-eMail Server. Play any of 21 chess variants via email.
- Tord Romstad [info] Scatha. Simple open-source hexagonal chess playing engine.
- Daniel Roth [info] The Pit. 10 by 10 board has pit in the middle that can be crossed by Sorcerer piece. (10x10, Cells: 84) Sigma 4 Shogi. Missing description (7x7, Cells: 49) The Pit . 10 by 10 board has pit in the middle that can be crossed by Sorcerer piece.
- Michael A. Rouse [info] Hexmate. A two-player variant on a hex board made up of 127, 3-color hexagons. (Cells: 127) Undenary Chess. Large variant with superpowerful King; a square version of Hexmate. (11x11, Cells: 121)
- Jess Rudolph [info] Case Western Reserve University Medieval Society Games Page. Case Western Reserve University Medieval Society Games Page.
- David E. Rutan [info] Building a Tridimensional Chess Board. Missing description
- Jonathan H Rutherford [info] Ito Shogi. Missing description (1x31, Cells: 21) Longshanks Chess. Missing description (12x12, Cells: 84) Rutherford's 1-dimensional Shogi. Modern one-dimensional chess variant, based upon Shogi. (1x17, Cells: 17) , more...
- Filip Rachunek [info] BrainKing.com. Play by email site that lets you play several chess variants.