Unusually Shaped Boards
0-9
- 10x10 Multiple Knot Chess. Board in `mathematical shape'.
- 12 Sharp Chess. 4-player versions of 10-or-more-file variants on cross-shaped boards. (12x12, Cells: 108) By Charles Gilman.
- 125 Percent Shogi and 125 Percent Xiang Qi. 4-player versions of Oriental variants on cross-shaped boards. (15x15, Cells: 125) By Charles Gilman.
- 3-Player Chess I. Missing description (10x10, Cells: 75) By Bn Em.
- 4 Faces. 2d multiplayer variant based on a feature of Tunnelshogi. (9x9, Cells: 45) By Charles Gilman.
- 64 triangles. Missing description (8x8, Cells: 64) By Daniil Frolov.
- 8x8 Heart Chess. Chessboard in form of heart.
- 8x8 Hyperbolic Chess. Mathematician Missoum has a board based on hyperbola.
- 8x8 Reversible Stairs-Chess. Chessboard looks like stairs.
- 8x8 Spider Web Spiral Chess. Board in shape of spider web.
A
- Accelerated Chess. Accelerating chess with a new board. (10x8, Cells: 80) By Max Koval.
- Adjutant Chess. Regular chess with extended castling, and extra corner squares. Makes new strategies possible (+zrf). By M Winther.
- Adjutant Chess (with Adjutants). The Adjutant, besides sliding on the diagnals, can slide on the orthogonals by ignoring the other colour (+zrf). By M Winther.
- Aire. River variant on H-shaped board, some parts of camps further back than others. (8x12, Cells: 72) By Charles Gilman.
- Alseid Chess. Introducing the Alseid, which moves like a queen but cannot capture. Instead it can kidnap piece behind a screen (zrf exists). By M Winther.
- Amiral Chess. Introducing the Amiral piece and the bounce-capture method on a Gustavian board (zrf available). By M Winther.
- Antarctic Chess or Predators and Penguins. Penguins seek safety at the ice-pack's centre. Can the Predators stop them? (Cells: 295) By Graeme C Neatham.
- Antarctic Chess or Predators and Penguins . Missing description By Graeme C Neatham.
- Arabian Nights Chess. Paul Newton's game on the Game Courier. Author: Abdul-Rahman Sibahi. Inventor: Paul E. Newton and Timothy R. Newton.
- Armies of Faith 2: Later Antiquity. The second in a series of 3d variants themed on various religions of history. (5x(10x10), Cells: 245) By Charles Gilman.
- Armies of Faith 3: Assimilation. The third in a series of 3d variants themed on various religions of history. (5x(), Cells: 350) By Charles Gilman.
- Armies of Faith 6: After Empire. The last in a series of 3d variants themed on various religions of history. (5x(), Cells: 370) By Charles Gilman.
- Australian Football Chess. Game based on Australian Rules Football and Chess. By Robert Winkel.
B
- Back-to-Back Chess. Both sides start "Back-to-Back", seperated by an uncrossable line on a specially-shaped 100 square board. (14x8, Cells: 100) By Paul Kreutzer.
- Back-to-Back Chess . Both sides start "Back-to-Back", seperated by an uncrossable line on a specially-shaped 100 square board. Author: Peter Aronson. Inventor: Paul Kreutzer.
- Balbo's Chess. Board with a strange shape designed to make Bishops stronger in relation to Rooks. Author: Gary K. Gifford. Inventor: M G Balbo.
- Balbo's chess. Board with a strange shape designed to make Bishops stronger in relation to Rooks. (Cells: 68) Author: Hans L. Bodlaender and Fergus Duniho. Inventor: M G Balbo.
- Balbo's Chess. Odd-shaped board, bishops as powerful as knights. Author: Ed Friedlander. Inventor: M G Balbo.
- Balbo's Chess 2. Balbos Chess 2. Author: wdtr2. Inventor: M G Balbo.
- Barbershop Quartet. Toroidal Variant with Dual Direction Bishops. By Jeremy Gabriel Good.
- Battle of the Six Armies. Construction of board and pieces to play B6A. By Graeme C Neatham.
- Battle of titans. Missing description (3x(9x5), Cells: 135) By Daniil Frolov.
- Beau Monde Chess. Large variant where pieces move with variations of the Queen move. (11x10, Cells: 100) By Sergey Sirotkin.
- Belfry Chess. Introducing the belfry catapult. By M Winther.
- Ben 39. Pieces move on squares and corners of board with 37 fixed and two movable squares. (Cells: 39) By Ben Good.
- Beryl Chess. Variant on board of 39 triangles. (Cells: 39) By Alexandre Muñiz.
- Beyond Chess (tm). Commercial variant with dynamic board. (8x8, Cells: 64) Author: David Howe. Inventor: David Crockett.
- Bolyar Chess. A historical variant, native to Bulgaria, with imaginative rules (zrf available). Author: M Winther.
- Bombardier Chess. Introducing the Bombardier, combining a rook with a camelrider (zrf exists). By M Winther.
- Border Wars . Game played on the 42 edges of a grid, with elements of Shogi and XiangQi. Author: Peter Aronson. Inventor: Jared B. McComb.
- Border Wars. Game played on the 42 edges of a grid, with elements of Shogi and XiangQi. (Cells: 42) By Jared B. McComb.
- Border Wars II. Game played on line edges with Shogi-like aspects. (Cells: 44) By Jared B. McComb.
- Border Wars II . Game played on line edges with Shogi-like aspects. Author: Peter Aronson. Inventor: Jared B. McComb.
- Bottleneck Chess . Most pieces start the game locked up in two bottleneck parts of the board. By Köksal Karakus.
- Bottleneck Chess. Most pieces start the game locked up in two bottleneck parts of the board. (Cells: 41) By Köksal Karakus.
- The Bridge 41. 41 square board with bridge in the middle. (5x9, Cells: 41) By Hubert Lamontagne.
- The Bridge41 . 41 square board with bridge in the middle. Author: Peter Aronson. Inventor: Hubert Lamontagne.
- Brigadier Chess. Introducing the powerful Brigadier piece on a 68-square Gustavian board. By M Winther.
- Building chess. Add a square after every move. Author: Abdul-Rahman Sibahi. Inventor: Abdul-Rahman Sibahi and Sergey Sirotkin.
- Building Chess. Variant that starts with a board of 25 squares, but each player adds a square after their move. (8x8, Cells: 64) By Sergey Sirotkin.
C
- Castalia Chess. Introducing the Castalia, which moves like a queen but cannot capture. Instead it can magnetically dislocate pieces (zrf exists). By M Winther.
- Catastrophic 8x8 Chess. Mathematician Missoum gives a new type of chessboard.
- Chesquerque. Variant played on a quadruple Alquerque board. (9x9, Cells: 81) Author: Peter Aronson. Inventor: George Dekle.
- Chesquerque . Variant played on a quadruple Alquerque board. Author: Peter Aronson. Inventor: George Dekle.
- Chess 68. 8 x 8 board with 4 extra corner squares, two extra piece types. (8x8, Cells: 68)
- Chess 68 . 8 x 8 board with 4 extra corner squares, two extra piece types.
- Chess 69. Variant on modified chessboard with 69 squares. By Gerd P. Degens.
- Chess Cubed on Steam. Chess on a Puzzle Cube with standard pieces and rotations. By Ethan W.
- Chess Cubic. Chess board is a cube with each side a 4x4 grid. (6x(4x4), Cells: 96) By Robert J. Bell.
- CHESS Eccentricities, By Major George Hope Verney. Images from the book (complete). Author: George Hope Verney.
- Chess for Three. Three-player Chess with standard pieces and moves. Inventor: Jacek Filek.
- Chess for Three. Traditional pieces, three players, on a triangular board. By James Killian Spratt.
- Chess for Three. A 3-player variant on an unusual board. Author: Fergus Duniho.
- Chess in a Klein bottle. 8 by 14 board with sides glued together. (8x14, Cells: 112) By Alberto Monteiro.
- Chess in a Moebius Strip. 8 by 14 board with sides glued together. (8x14, Cells: 112) By Alberto Monteiro.
- Chess in a Toroidal Board. 8 by 14 board with sides glued together. (8x14, Cells: 112) By Alberto Monteiro.
- Chess on a Board with 37 Squares . Game with full Chess arrays minus a Pawn on a 37 square board without any corners. Author: Andrew Juell. Inventor: Alfred Pfeiffer.
- Chess on a board with 37 squares. Game with full Chess arrays minus a Pawn on a 37 square board without any corners. (Cells: 37) Author: Alfred Pfeiffer and Hans L. Bodlaender. Inventor: Alfred Pfeiffer.
- Chess on a Cylindrical Board. 8 by 14 board in with sides glued together. (8x14, Cells: 112) By Alberto Monteiro.
- Chess on a Soccer Ball. Missing description (Cells: 32) By David Cannon.
- Chess on a Soccer Ball . Chess played on the 20 hexagons and 12 pentagons of a soccer ball. By David Cannon.
- Chess on the Dot. Play this adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Joshua Chou.
- Chess Variants of Sándor Nagy. Link to Hungarian web page. By Sándor Nagy.
- A Chess-like Variant Construction Set. Build your own army and territory. By David Howe.
- Chess-like Variant Construction Set. Critique. Author: John William Brown. Inventor: David Howe.
- Chess37 . A chess variant on a board with 37 squares where pieces outside of the center 9 squares move like Kings. Author: Andrew Juell. Inventor: David Howe.
- Chess37. A chess variant on a board with 37 squares where pieces outside of the center 9 squares move like Kings. (Cells: 37) By David Howe.
- CHESSAGON. CHESSAGON® is like traditional Chess, but with Triangles, with one new additional piece named the Duke. By Kerry Langford.
- Chessopoly . Board with a hole in the middle where pawns move clockwise. Author: Andrew Juell. Inventor: Ralph Betza.
- Chessopoly. Board with a hole in the middle where pawns move clockwise. (12x12, Cells: 128) By Ralph Betza.
- Chessquarters. Variants obtained by rearranging the quarters of the chessboard. (Cells: 64) By Robert J. Bell.
- Chestria. Each player has 11 randomly selected pieces in this game of placement and flipping. (3x(5x5), Cells: 43) By Jared B. McComb.
- Choiss. First place your squares, then your pawns, then your pieces, then move. Author: Ben M Reiniger. Inventor: Peter A. Victor.
- Christmas Tree Chess. Missing description (6x(11x11), Cells: 126) By Daniil Frolov.
- Cincinnati Four-Way Chess. Four player chess variant from Cincinnati. Author: Ed Friedlander.
- Circular Perspective Chess . Pieces must travel through a central point to get to the opponent's side of the board. Author: Andrew Juell.
- Circular Perspective Chess. Pieces must travel through a central point to get to the opponent's side of the board.
- Citadel. Simple chess variant from early 20th century on 45 degrees turned board. (8x8, Cells: 64) By Karen Robinson.
- Clash of Command . Chesslike game with pieces that change and leave behind other pieces on
special board.
- Clash of Command. Chesslike game with pieces that change and leave behind other pieces on special board. (Cells: 41)
- Color Chess. Four player chess variant on 11 by 11 board. (In Hungarian). By Sándor Nagy.
- Columbiad Chess.. Introducing the Columbiad, combining a cannon and a Cannonrider, on an H-board (zrf exists). By M Winther.
- Commedia dell'Arte Chess. A Pawnless variant with themed pieces on a 10x10 board with 5 square groups of 4 cells removed. (10x10, Cells: 80) By Charles Gilman.
- Commodore Chess. Featuring the Commodore piece (also called Leo) on a Gustavian board. By M Winther.
- Constable Chess. Introducing the Constable piece on an H-shaped board. A game for attacking players. With zrf. By M Winther.
- Crazy 38's . On strange board with 38 squares. Author: Robert Price. Inventor: Ben Good.
- Crazy 38's. On strange board with 38 squares. (Cells: 38) (Recognized!) By Ben Good.
- Crazy 38's. Ben Good's Crazy 38's on the Game Courier. Author: Abdul-Rahman Sibahi. Inventor: Ben Good.
- Crooked Board Chess. Variant on a board of standard size but odd shape. (8x12, Cells: 64) By Charles Gilman.
- Cross Chess. Game played on a cross-shaped board. (Cells: 64) Author: Peter Aronson. Inventor: Leigh Miller and N. Maddox.
- Cross Chess . Game played on a cross-shaped board. Author: Peter Aronson. Inventor: Leigh Miller.
- Cross Chess. Popular in Australia. Author: Ed Friedlander. Inventor: Leigh Miller.
- Crossbishop Chess. Introducing the Crossbishop piece, with interesting cannon capabilities (Zillions file downloadable). By M Winther.
- Crossover Chess. Two player variant with crossshaped board. (12x12, Cells: 64) By Robert J. Bell.
- Crossrook Chess. Introducing the Crossrook, a versatile piece with cannon capabilities (Zillions file downloadable). By M Winther.
- Crosstunnel. A cross between Tunnelchess and Fivequarters. (4x(8x8), Cells: 196) By Charles Gilman.
- Cube Chess. Chess board is a cube with 4 playable sides, each with a 4x4 grid. (4x(4x4), Cells: 64) By Robert J. Bell.
- Cube+. Three dimensional chess variant with 38 squares. (3x(3x4), Cells: 38) By Jim Aikin.
- Cube+ . Three dimensional chess variant with 38 squares. Author: Marek14 . Inventor: Jim Aikin.
- Cube-Surface Board Chesses. Missing description (6x(8x8), Cells: 384) By Kuyan Judith.
- Culverin Chess. The Culverin is a cannon that can move like a king but must jump to capture (+zrf). By M Winther.
D
- Danadazo. Game played on the 47 edges of a grid with rounded corners, borrowing elements from Tafl. (Cells: 47) By Jared B. McComb.
- Decimal Quadruple Besiege. Army based on Échecs De L'Escalier arranged on enlarged Quadruple Besiege board. (20x20, Cells: 200) By Charles Gilman.
- Delta-Nabla Chess. Chess translated to a triangular grid as naturally as possible. By Jeff Cornell.
- Delta88 Chess . Missing description By Graeme C Neatham.
- Delta88 Chess. trigonal chess using an hexagonal-lattice board. By Graeme C Neatham.
- Delta88 Chess. Chess on a Trigonal Board. (11x8, Cells: 88) By Graeme C Neatham.
- Diagonal Oblong Chess . The board is an oblong on diagonal direction. By Shi Ji. By Shi Ji.
- Diagonal Oblong Chess. The board is an oblong in diagonal direction. By Shi Ji. (8x8, Cells: 64) By Shi Ji.
- Diamond Chess. Chess on a Diamond board. By Abdul-Rahman Sibahi.
- Diamond Chess 306. Missing description (22x24, Cells: 306) By David Cannon.
- Diamond Chess 306. A large variant inspired by Tony Paletta's PARACHESS and Fergus Duniho's ASSIMILATION FUSION CHESS. By David Cannon.
- Diamond Chess II. Game on diamond-shaped board with 98 triangular cells. Author: Ed Friedlander. Inventor: Bart D. Follis and James G. Chapman.
- Diamond Ring Chess. Courier-style pieces to diamond-shaped camps on a toroidal wraparound board. (12x12, Cells: 144) By Charles Gilman.
- Dimachaer Chess. The Dimachaer is a gladiator bifurcation piece that must collide to move (+zrf). By M Winther.
- Dimachaer Chess. Introducing the Dimachaer, a bifurcation piece that always lands on the diagonal second leg (zrf available). By M Winther.
- Dino-Czars . Battle between rival dinosaurs on a board of 42 triangles, where facing counts. By Clark Rodeffer.
- Dino-Czars. Battle between rival dinosaurs on a board of 42 triangles, where facing counts. (Cells: 42) By Clark Rodeffer.
- Dollar Chess . Almost 1-Dimensional Variant on a Dollar sign-shaped board. Author: Marek14 . Inventor: Sergey Sirotkin.
- Double Cross Besiege. A spinoff from Besiege Chess using FIDE-size armies. (8x16, Cells: 96) By Charles Gilman.
- Double Diamond. Irregular board with diagonal orientation. (9x9, Cells: 73) By Jim Aikin.
- Double Diamond . Irregular board with diagonal orientation. Author: Peter Aronson. Inventor: Jim Aikin.
- Doublecannon Chess. Introducing the Doublecannon piece, a strong cannon relative with breathtaking tactical capabilities (Zillions file exists). By M Winther.
- Doubles Chess. A four-player game for two teams on an unusual board. Author: Fergus Duniho. Inventor: Rick Gillespie and Henry Rolling.
- Doubly Nested Chess. A variant hiding FIDE Chess on a Dabbaba binding. (17x17, Cells: 285) By Charles Gilman.
- Dragon Chess (tm). Commercial board game played on a large board with a new piece -- the Dragon. By Lex Parker.
- Dream Chess 46. 46-squasre variant played from opposite corners of a FIDE board with the other corners removed. (8x8, Cells: 46) By Charles Gilman.
- Dream Chess 47. 47-square variant played from opposite corners of a 7 by 7 board with the other corners removed. (7x7, Cells: 47) By Charles Gilman.
- Dual Chess. A more Chess-like variant featuring the Marshall and the Cardinal. (16x8, Cells: 100) By Antoine Fourrière.
- Dual Chess. A more Chess-like variant featuring the Marshall and the Cardinal. By Antoine Fourrière.
- Dual Chess . A more Chess-like variant featuring the Marshall and the Cardinal. By Antoine Fourrière.
- Duchess. For 2, 3, 4 or 6 players on a rose-shaped board. and John Kramer.
- Duel Chess. Captured pieces are sent to a separate Duel board to see who is eliminated and who returns. (2x(5x7), Cells: 43) By Erez Schatz.
- Duel Chess. PBM Preset for 43-space variant played on two boards. Author: Fergus Duniho. Inventor: Erez Schatz.
- Dürer's Chess. Dürer's Chess, played on a board of 151 tessellating pentagons and diamonds. (Cells: 151) By David Cannon.
- Durerschess . Dürer's Chess is played on a tiling of tessellating pentagons and diamonds, first described by Albrecht Dürer in 1525. By David Cannon.
E
- Earthquake Chess. An earthquake caused a kind of Z-form in the board. (8x8, Cells: 8) By Ralph Betza.
- Echidna Chess. Introducing the Echidna, a repulsion piece with telekinetic capacities (with zrf). By M Winther.
- Empty Cube Chess. A variant using the faces of an 8x8x8 board with no triaxial moves. (8x(8x8), Cells: 296) By Charles Gilman.
- Ender's Chess. Inspired by by the novel, "Ender's Game". (9x11, Cells: 83) By John Smith.
- Endless Chess idea. Article about different ways to make cylinder chess board. By Alexander Iglitzky.
- Essedar Chess. Introducing the Essedar, which captures orthogonally but moves by the collision method (zrf available). By M Winther.
- Essedar Chess. The Essedar is a bifurcation piece that moves by colliding (+zrf). By M Winther.
F
- Falcon Hexagonal Chess. The Falcon into the Hexagonal world. (Cells: 121) By Abdul-Rahman Sibahi.
- Fanorona Chess. Variant played on a Fanorona board with capture by approach and by withdrawal. (5x9, Cells: 45) By Peter Aronson.
- Fanorona Chess . Variant played on a Fanorona board with capture by approach and by withdrawal. By Peter Aronson.
- Fiancé Chess. A 3-player variant with Kings and Queens starting far apart, inspired by Bachelor Chess. (12x12, Cells: 96) By Charles Gilman.
- Fimbriation Chess. Combines 4 players with 2-player Pawn treks and Castling. (14x14, Cells: 144) By Charles Gilman.
- Fivequarters. Four-player game on a cross-shaped board where most pieces can promote. (12x12, Cells: 80) By Charles Gilman.
- Flatstar. A fusion of two Jewish-themed variants. (13x10) By Charles Gilman.
- Flying Bombers with Hangars. Features the flying bomber - a versatile dual range piece that captures by flying over the enemy. (8x8, Cells: 68) By Charles Daniel.
- Flyover Shogi. A 4-player Shogi with each player facing all 3 others. (Cells: 162) By Charles Gilman.
- Flyover Xiang Qi. A 4-player Shogi with each player facing all 3 others. (18x20, Cells: 180) By Charles Gilman.
- Folding Magnetic Chess. fold between D&E files, play on both sides. Author: Deep Thought.
- Fortresses. Odd shaped board. Author: Ed Friedlander.
- Four Handed Perspective Chess. Missing description
- Four Towers. Irregular board with special tower squares upon which pieces can combine with each other or detach from each other. (Cells: 85) By Jim Aikin.
- Fusion Diamond 41 . A Fusion Chess variant played on a diamond shaped board of 41 squares. By Fergus Duniho.
- Fusion Diamond 41. A Fusion Chess variant played on a diamond shaped board of 41 squares. By Fergus Duniho.
- Fusion Diamond 41. A Fusion Chess variant played on a diamond shaped board of 41 squares. (Cells: 41) By Fergus Duniho.
- Future Chess. With extra empty corner squares. Pieces can be relocated before play begins. Creates immense strategical variance (with zrf). By M Winther.
G
- Gastrophete Chess. Introducing the Gastrophete, a catapult capable of hurling other pieces over its head (zrf exists). By M Winther.
- Gateway Chess. Pieces go a long way round to reach enemy territory. (8x10, Cells: 68) By Charles Gilman.
- Gaul Chess. Introducing the Gaul, which captures like a bishop, but moves by the bifurcated jump method, on an H-board (zrf available). By M Winther.
- Geodesic Chess. Played on a spherical grid of hexagons and pentagons. Author: Larry L. Smith. Inventor: Jack V. Cheiky.
- Geodesic Chess. Variation of hexagonal chess on a geodesic sphere with a few new pieces added. (Cells: 279) By Jack V. Cheiky.
- Geodesic Chess. Variation of hexagonal chess on a geodesic sphere with a few new pieces added. By Jack V. Cheiky.
- Gladiatrix Chess. Introducing the Gladiatrix, an extremely agile female gladiator, on an H-board (zrf available). By M Winther.
- Green Chess. More than 100 chess variants playable online. By János M. Uray.
- Greg White's Chess Variants . Missing description Author: David Howe. Inventor: Greg White.
- Grenadier Chess. Introducing the Grenadier piece on an H-shaped board. A game for the attacking player. With zrf. By M Winther.
- Guanaco Chess. Introducing the Guanaco that hops two squares orthogonally continuously (with zrf). By M Winther.
- A Guide to Variant Chess. Variant Chess Games.
- Gustav III's Chess. Invented by King Gustav III of Sweden (1746-92). Author: M Winther. Inventor: King Gustav III of Sweden.
- Gustavian Adjutant Chess. Standard chess with empty extra corner squares and extended castling (with zrf). By M Winther.
- Gustavian Camelrider Chess. Camelriders and regular pieces on a Gustavian (68squares) board. By M Winther.
- Gustavian Cannonrider Chess. Cannonriders and regular pieces on a Gustavian (68 squares) board. Cannonriders move differently depending on square colour. By M Winther.
- Gustavian-Camelrider Chess (with Scorpions). Camelriders and Scorpions on a 68 square Gustavian board. By M Winther.
- Gustavian-Cannon Chess. The Swedish Cannon moves like a Korean Cannon, but can move like a rook if it cannot jump (+zrf). By M Winther.
H
- Hans 38 Gift Chess . Eric Greenwood's chess on a board with 38 squares. Author: Marek14 . Inventor: Eric V. Greenwood.
- Hans 38Special Chess. On a board with 38 squares. (6x6, Cells: 38) By Eric V. Greenwood.
- Hans37 Chess. Chess variant for four players on a board of 37 squares. (Cells: 37) By Ralph Betza.
- Hans38 Chess. Eric Greenwood's chess on a board with 38 squares. (6x6, Cells: 38) By Eric V. Greenwood.
- Hans38 Chess. A form of Chess with a Limited Supply of Squares; entry of the 38-challenge. (8x8, Cells: 38) By Ralph Betza.
- Hazlewood's Hexagonal Chess. Hexagonal Chess on a diamond-shaped board with many short-moving pieces. Author: Ed Friedlander. Inventor: Richard Hazlewood.
- Herichess. A variant on a board in the shape of the English Heritage logo. (14x14, Cells: 112) By Charles Gilman.
- Hexachess. Hexagonal Chess with lots of Pawns on a peanut-shaped board. Author: Ed Friedlander.
- Hexagonal Round Chess. Combined Byzantine Chess with Rex Chess. (9x9, Cells: 81) By Arnaldo Rodrigues D'Almeida.
- HexChess-Kirby's. Missing description (Cells: 313) By Steve Kirby.
- Hitchhiker Chess. Get your Hitchhiker to the Restaurant at the other End of the Board; inspired by Douglas Adams' books. (Cells: 42) By Dan Troyka.
- Hitchhiker Chess . Get your Hitchhiker to the Restaurant at the other End of the Board; inspired by Douglas Adams' books. By Dan Troyka.
- Hole Chess. Variant on a board of 44 squares with two holes that pieces can be dragged into. (7x10, Cells: 44) By Gary K. Gifford.
- Hole Chess. Variant on a board of 44 squares with two holes that pieces can be dragged into. Author: Peter Aronson. Inventor: Gary K. Gifford.
- Hopgi. Small-board variant of Chessgi with an L-shaped board, linked pairs of Kings, where all pieces can move like a Mao-hoppers. (7x7, Cells: 43) By Peter Aronson.
- Hopgi . Small-board variant of Chessgi with an L-shaped board, linked pairs of Kings, where all pieces can move like a Mao-hoppers. By Peter Aronson.
- Hoplit Chess. Introducing the Hoplit, a very mobile modern relative of the Korean cannon, on an H-board (zrf available). By M Winther.
- Hoplomach Chess. Introducing the Hoplomach, a dynamic bifurcation cannon, related to the Korean cannon, on an H-board (zrf available). By M Winther.
- Horus. Game with Royal Falcons where all pieces start off board and most captures return pieces to owner's hand. (7x7, Cells: 44) By Peter Aronson.
- Horus . Game with Royal Falcons where all pieces start off board and most captures return pieces to owner's hand. By Peter Aronson.
- Hourglass Hex Chess. 2 overlapping triangles form a hex board of just over FIDE size. (9x9, Cells: 65) By Charles Gilman.
- Hourglass Honeycomb Chess. 2 overlapping triangular prisms form a hex-prism board maximising the King's choice of Castling. (7x(7x7), Cells: 280) By Charles Gilman.
- Howitzer Chess. Introducing another piece named Howitzer, a fearful form of cannon, on the H-board. For the advanced tactician. With zrf. By M Winther.
I
- If regular octogonal chess would be possible?. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Infinite Board Chess. Imagine the board is an infinite grid. By Keith Douglas.
- Infinite Chess . Link to publishers website.
- Infinite Chess. Chess on on infinite board. Author: Hans L. Bodlaender. Inventor: Tim Converse.
- Infinite Chess Photographs. Photos of an Infinite Chess set. Author: Hans L. Bodlaender.
- Infinite Ring Chess. Experimental variant with board shaped as ring. (16x4, Cells: 64) By Robert J. Bell.
- Information on: Master Chess Triple Game. Two players play on three boards connected by corridors. Author: Hans L. Bodlaender. Inventor: Rein Keulen.
- Intrusive Squares. The board is split into 4 4x4 supersquares and reunited by 20 extra squares. (10x10, Cells: 84) By Charles Gilman.
- Irrational Chess. Chess game on an exotic board. (9x10, Cells: 66) By Max Koval.
- Irregular Quadrangle Chess. Chessboard of 96 quadrangles. (Cells: 96)
- Isis and Cam. Two variants based on ancient English universities and the rivers near them. (6x8, Cells: 48) By Charles Gilman.
J
- Javelin Chess . Pieces backed up by an extra row of single-capture Spearmen. By Adrian Alvarez de la Campa.
K
- Klin Zha . Chesslike game played by Klingons from Star Trek on triangular board. Author: Jean-Louis Cazaux. Inventor: Leonard B. Loyd Jr..
- Klin Zha. Chesslike game played by Klingons from Star Trek on triangular board. (Cells: 81) Author: Jean-Louis Cazaux. Inventor: Leonard B. Loyd Jr..
- Klin Zha . Chesslike game played by Klingons from Star Trek on triangular board. Author: Larry L. Smith. Inventor: Leonard B. Loyd Jr..
- Klin Zha . The Authorized Klin Zha Homepage. Author: Kevin Geiselman. Inventor: Leonard B. Loyd Jr..
- Klin Zha 3D . A three dimensional form of Klin Zha. By Larry L. Smith.
- Knot Chess. Board in shape of geometric knot.
- Konigsritter. Four-player game on curiously-shaped board with one player having a different army than the others. Author: Ed Friedlander. Inventor: Albert Buttner.
L
- L Shaped Chess. 2 player variant with some elements of 4-player ones. (7x7, Cells: 45) By Charles Gilman.
- Ladder Chess. Chess variant on a `skewed' board with 40 squares. (Cells: 40) By Sergey Sirotkin.
- Ladder Chess . Chess variant on a `skewed' board with 40 squares. Author: Uwe Wiedemann. Inventor: Sergey Sirotkin.
- Ladon Chess. Introducing the Ladon, a short-range piece that can repel any other piece, and also capture this way (zrf available). By M Winther.
- Laquear Chess. Introducing the Laquear, that captures like a bishop, but moves by the collision method (zrf available). By M Winther.
- Leap Chess . Game with manditory captures and other Checkers-like elements on a board of 44 squares. By Ken Franklin.
- Leap Chess. Game with mandatory captures and other Checkers-like elements on a board of 44 squares. (6x8, Cells: 44) By Ken Franklin.
- Legan's Fortress Chess . On an `I` shaped board. Author: Marek14 . Inventor: L. Legan.
- Lemniscate Chess. Chess played on a Lemniscate board (in the shape of an infinity symbol). (18x4, Cells: 72) By David Cannon.
- Lemniscate Chess . Chess played on a Lemniscate board (in the shape of an infinity symbol). By David Cannon.
- Leto Chess. Introducing the Leto, a doubly telekinetic piece, very versatile (with zrf). By M Winther.
- Limited Square Chess. A form of Chess with a Limited Supply of Squares; entry of the 38-challenge. (8x8, Cells: 38) By Ralph Betza.
- Longshanks Chess. Missing description (12x12, Cells: 84) By Jonathan H Rutherford.
- Loop Chess. Chess played on a loop. (28x1, Cells: 28) By Rose Thorpe.
- Lotus Boards. Configurations for Future Chess Variant Contests.
- Lotus Chess: the Book. A hardcopy printout of the four main files dealing with Lotus Chess.
- Lotus-39. Chess variant on special shaped board with 39 squares. (Cells: 39)
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- Macrochess . Board is formed by having a 4 by 4 grid at each side of a cube. Author: Hans L. Bodlaender.
- Mangonel Chess. Introducing the remarkable Mangonel piece, which can hurl pieces over its head, on a Gustavian board (zrf available). By M Winther.
- Masonic Chess. Game played on a Masonic tile board. Author: KelvinFox and Ben M Reiniger. Inventor: George Dekle.
- Matrix Chess . Chess played on a board of tessellating pentagons and diamonds. By David Cannon.
- Matrix Chess. Chess played on a tessellation of pentagons and diamonds. The name comes from the matrix in which diamonds are found. (14x14, Cells: 196) By David Cannon.
- Med Chess . Diagonal board game with a mix of traditional, modern and Shogi pieces. Author: Uri Bruck. Inventor: Erez Schatz.
- Med Chess. Diagonal board game with a mix of traditional, modern and Shogi pieces. (8x8, Cells: 44) By Erez Schatz.
- Megastar of David. Enlarged version of Star of David 2 Level Hex Chess. (2x(), Cells: 182) By Charles Gilman.
- Mercurial Chess. A variant on 42 squares with a satallite board and the rescue of captured pieces. (6x6, Cells: 42) By Mark Hedden.
- Mercurial Chess . A variant on 42 squares with a satallite board and the rescure of captured pieces. Author: Peter Aronson. Inventor: Mark Hedden.
- Meridian Chess. Introducing the Meridian, bishop-capture combined with bifurcated bounce-move, on an H-board (zrf available). By M Winther.
- Miller's Spherical Chess. Play this early adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Don Miller.
- Mini Fivequarters. The Fivequarters approach to 4-player variants, applied to 6x6 variants. (9x9, Cells: 45) By Charles Gilman.
- Mini Slanted Escalator Chess. Chess on smaller asymmetric board. (8x6, Cells: 44) Author: Hans L. Bodlaender and David Short. Inventor: David Short.
- Mini Slanted Escalator Chess . Chess on smaller asymmetric board. Author: Peter Aronson. Inventor: David Short.
- Missoum Perspective Chess. Missing description
- Moebius Chess. The board is a Moebius ring. Author: Hans L. Bodlaender. Inventor: Menno Dekker.
- Morley's Chess. Boards with enlarged sides. Author: Hans L. Bodlaender. Inventor: F V Morley.
- Mortar Chess. Introducing another piece named Mortar, a form of cannon, on an H-shaped board. Positionally advanced. With zrf. By M Winther.
- Motorotor. Play this small variant with a rotating board. Author: Fergus Duniho. Inventor: Gavin King.
- Motorotor. Variant where two platforms slowly orbit a central board. (11x11, Cells: 43) By Gavin King.
- Murmillo Chess. Introducing the Murmillo piece, and new collision-capture, on a Gustavian board (zrf available). By M Winther.
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- Nadvorney's Spherical Chess. Play Nadnorney's adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Leo Nadvorney.
- Naiad Chess.. Introducing the Naiad, which moves like a queen but cannot capture. Instead it can kidnap pieces by magnetism (zrf available). By M Winther.
- Narnia Chess . Chess, played on both the outside and inside of a social ball, with the Pentagons as "gateways" between the two. By David Cannon.
- Narnia Chess. Chess played on both the outside and inside of a soccer ball. (Cells: 52) By David Cannon.
- Neohex. Chess variant on irregular hexagons. (Cells: 60) By Max Koval.
- Neoorthodox Chess. Introducing the Neoorthodox board, the Divaricator piece, and extended castling (with zrf). By M Winther.
- Nested Chess. A variant hiding another on its diagonals. (15x15, Cells: 141) By Charles Gilman.
- Nested Shogi. A variant hiding Shogi on its diagonals. (17x17, Cells: 177) By Charles Gilman.
- Nested Xiang Qi. A variant hiding Xiang Qi on its diagonals. (18x18, Cells: 196) By Charles Gilman.
- Neue Chess. Missing description
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- OctHex 146. Arranging the geometry of Tetrahedral Chess into an octahedron. (Cells: 146) By Charles Gilman.
- Octogonal Chess. Carrera Chess on an octogon-shaped board. (10x10, Cells: 76) By John Smith.
- One dimensional Chess Variants. A page detailing some one dimensional chess variants. Author: Hans L. Bodlaender.
- Opposition Chess. Variant on 43 square board with sliding parts. (7x7, Cells: 43) By Uri Bruck.
- Oxybeles Chess. The Oxybeles can sling a piece to the farthest square in the movement direction (+zrf). By M Winther.
- Oxybeles Chess. Introducing the exceptional Oxybeles piece, which can hurl pieces over its head, on a Gustavian board (zrf available). By M Winther.
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- Pagan Chess. Game with two linked board, one for living pieces and one for dead pieces, and a special piece that can move between them. (11x7, Cells: 67) By Mikey Kousre.
- Palace Ninja Guards . A pair of short-range diagonal leapers and four extra squares are added to the standard chessboard and pieces. By Charles Daniel.
- Palace Revolution. Variant on 44 square board with Templar Knights and Squire Pawns. (7x8, Cells: 44) Author: Peter E. Leyva. Inventor: Peter E. Leyva.
- Palace Revolution. Play this 44 square variant with Templar Knights and Squire Pawns with Game Courier. Author: Jeff Rients. Inventor: Peter E. Leyva.
- Parachess. Chess on a rhombus-tiled board. (Cells: 72) By Tony Paletta.
- Parachess . Chess on a rhombus-tiled board. By Tony Paletta.
- Partner Chess . Commercial two and four-player variant on smaller cross-shaped board.
- PASGL 312 Chess. Critters steal lunch in the forest, while trying to get close to the campfire and avoid the train. (Cells: 68) By Ralph Betza.
- Pegniar Chess. Introducing the Pegniar, a very interesting bifurcating bounce-slider, on a Gustavian board (zrf available). By M Winther.
- Pentagonal chess. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Penturanga. Chaturanga on a board with 46 pentagonal cells. (8x5, Cells: 46) By Graeme C Neatham.
- Penturanga . contains rule file and 2 piece sets. By Graeme C Neatham.
- Pillow Chess . Chess on a Pillow-shaped board. Author: Abdul-Rahman Sibahi. Inventor: Grant Cairns.
- Pirate Chess. Two or three pirates fight on a board with 39 triangles. (Cells: 39) By Guillermo Alcántara.
- Pool Chess . Queens and Bishops bounce 90 degrees off the board edge. Author: Tony Quintanilla. Inventor: Francisco Quintanilla.
- Pool Chess. Queens and Bishops bounce 90 degrees off the board edge. (8x12, Cells: 96) Author: Tony Quintanilla. Inventor: Francisco Quintanilla.
- Pool Chess. Queens and Bishops bounce 90 degrees off the board edge. Author: Tony Quintanilla. Inventor: Francisco Quintanilla.
- PowerChess . Chess with two extra squares on the middle rows. Inventor: Gerd P. Degens.
- Prisoner's Escape. Free your Prisoner by getting it to an unattacked square -- a small board version of Anticheckmate Chess. (7x8, Cells: 44) By Peter Aronson.
- Prisoner's Escape . Free your Prisoner by getting it to an unattacked square -- a small board version of Anticheckmate Chess. By Peter Aronson.
- Provocator Chess. Introducing the Provocator, a zigzaging bifurcation piece, on a Gustavian board (zrf available). By M Winther.
- Puzzle Shatranj. Shatranj on a 15 puzzle. (8x8, Cells: 60) By John Smith.
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- Qiube. Xiang Qi variant with Fortresses expanded from square to cube. (3x(9x10), Cells: 126) By Charles Gilman.
- Quad-Square Chess . Chess on a board of 38 squares, of which six have size two by two. Author: Robert Price. Inventor: David Howe.
- Quad-Square Chess. Chess on a board of 38 squares, of which six have size two by two. (7x8, Cells: 38) By David Howe.
- Quadruple Besiege Chess. A variant on a "finite but unbounded" board comprising two FIDE boards notionally joined on every edge. (Cells: 128) By Charles Gilman.
- Querquisite Chess. The Whimsical Querquisite on the Game Courier. By Abdul-Rahman Sibahi.
- Querquisite Chess. Features the whimsical, irregular Querquisites,. (8x10, Cells: 72) By Abdul-Rahman Sibahi.
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- Ramayana Chess . Chess variant inspired by the Ramayana epic. Author: Peter Aronson. Inventor: Luiz Carlos Campos.
- Ramayana Chess. Chess variant inspired by the Ramayana epic. (Cells: 84) By Luiz Carlos Campos.
- Raumherichess. Board shaped like 3d version of English Heritage logo. (5x(7x7), Cells: 140) By Charles Gilman.
- Rectangular Cubic Chess. Experimental variant on 3d shaped board. (6x(), Cells: 72) By Robert J. Bell.
- Reroute66. A simpler game using the same board as Gerd Degens' Chess66. (10x8, Cells: 66) By Fergus Duniho.
- Reroute66. Play this adaptation of Chess to a 66 space board with some overlapping spaces. (10x8, Cells: 66) By Fergus Duniho.
- Retiar Chess. Introducing the Retiar, a bifurcating bounce-slider, on an H-board (zrf available). By M Winther.
- Revolver Practice: A Chess Problem. White mates in 21 moves on board in shape of revolver. Author: Hans L. Bodlaender. Inventor: T. R. Dawson.
- Rhomboidal Chess. Chess variant on rhombic cells. (8x16, Cells: 84) By Max Koval.
- Ringworld Chess. Themed hex variant differentiating opposite directions along orthogonals. (Cells: 198) By Charles Gilman.
- Rocket Chess. Space-themed fairy chess variant on neoteric board: piece’s movement depends on type of cell where it stands. (Cells: 248) By Lev Grigoriev.
- Rollerball. Chess race fight on board formed by removing 3 by 3 square from center of 7 by 7 square. (7x7, Cells: 40) By Jean-Louis Cazaux.
- Rollerball. Play this game based on a science fiction sport on Jocly. Author: Michel Gutierrez and Jérôme Choain. Inventor: Jean-Louis Cazaux.
- Romanchenko's Chess. New chessboard with sides displaced. Author: Ed Friedlander. Inventor: V. Romanchenko.
- Romanchenko's chess . Game on a Z-shaped board to inspire new thinking. Author: Andrew Juell. Inventor: V. Romanchenko.
- Romanchenko's Chess. A board with a kind of Z-form. (10x8, Cells: 64) Inventor: V. Romanchenko.
- Romanchenko's Chess. Play Chess on a slightly shifted board with Jocly. Author: Michel Gutierrez and Jérôme Choain. Inventor: V. Romanchenko.
- Rook Mania. Game where all pieces have different sorts of Rook-like moves. (7x7, Cells: 43) By Jared B. McComb.
- Rotor-blades Chess. Game played on a board that is both circular and trigonal. (Cells: 150) By David Cannon.
- Rotorblades Fusion Chess. Played on a circular tiling on triangular cells. A further development of my previous game, Rotorblades Chess. (Cells: 150) By David Cannon.
- Rotorblades Fusion Chess . A cross between my own Rotorblades Chess and Fergus Duniho's Assimilation Fusion Chess, with a few extra features. By David Cannon.
- Royal Guard Chess . Royal Guards help defend King and all pieces can promote. By Adrian Alvarez de la Campa.
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- Sagittar Chess. Introducing the Sagittar, a bifurcation cannon related to the Korean cannon, on an H-board (zrf available). By M Winther.
- Samnis Chess. Introducing the Samnis, which combines rook-capture with bifurcated bounce-movement, on a Gustavian board (zrf available). By M Winther.
- Sankaku Shogi. Small Shogi variant played on a board of 44 triangles with no drops and a teleporting Emperor. (7x8, Cells: 44) By Larry L. Smith.
- Sankaku Shogi . Small Shogi variant played on a board of 44 triangles with no drops and a teleporting Emperor. By Larry L. Smith.
- Scout Chess. Introducing the Scout, combining queen-captures with Camelrider moves (zrf exists). By M Winther.
- Secutor Chess. Introducing the Secutor piece, and new collision-capture, on a Gustavian board (zrf available). By M Winther.
- Secutor Chess. The Secutor is a bifurcation piece that must collide and deviate in order to capture (+zrf). By M Winther.
- SerPent Chess 50. Pentagonal cells form hexagonal blocks in two ways. (Cells: 50) By Charles Gilman.
- Shatra . Old game from the Altai from Russia, on special shaped board with draughts-like capture.
- Shatra . Old game from the Altai from Russia, on special shaped board with draughts-like capture. Author: Francis Monkman.
- Shatra. Old game from the Altai from Russia, on special shaped board with draughts-like capture. Author: Fergus Duniho.
- A Silly 42-Squares Board. A Silly 42-squares board with a little Unirexial variant you can play on it. (Cells: 42) By Jared B. McComb.
- Slanted Escalator Chess. Chess on an asymmetric board with interesting connectivity. (8x8, Cells: 60) By David Short.
- Slanted Escalator Chess . Chess on an asymmetric board with interesting connectivity. Author: Peter Aronson. Inventor: David Short.
- Small Spherical Chess. Board of form of sphere, with 38 squares. (Cells: 38) By Andrea Mori.
- Snake Chess. A variant played on a 2 by 12 cyclindrical board. (2x12, Cells: 24) By Sergey Sirotkin.
- Snake Chess . A variant played on a 2 by 12 cyclindrical board. Author: Peter Aronson. Inventor: Sergey Sirotkin.
- Snowflake Xiang Qi. A better Xiang Hex. (Cells: 140) By John Smith.
- Solar Chess. 2 to 6 players on a hexagonal board with quadrilateral tiles and Shogi-inspired drop rules. By Jeff Cornell.
- Spacious Torus Chess . Chess on a toroidal board, using Ralph Betza's spacious pieces. By Jianying Ji.
- Spacious Torus Chess. Toroidal 8 x 8 using "spacious" FIDE pieces which require the next square beyond to be empty to either move or capture. Author: Fergus Duniho. Inventor: Jianying Ji.
- Spacious Torus Chess. Chess on a toroidal board, using Ralph Betza's spacious pieces. (8x8, Cells: 64) By Jianying Ji.
- SphereChess . Downloadable files to play a spherical chess variant. By Lukas A. Saul.
- Spherical Corner Chess. Game on a truly topologically spherical board with corner‐camp arrays. By Bn Em.
- Spherical Guard Chess. Hiashatar (Mongol Grand Chess) on a spherical board. (10x10, Cells: 100) By Graeme C Neatham.
- spIndecision Beryl. Two players fight with three armies on board formed by 39 triangles. (Cells: 39) By Alexandre Muñiz.
- Spire orth triangular xiang-qi. Missing description (7x14, Cells: 98) By Daniil Frolov.
- Stairchess. Chess on a ladder-alike tilted board. (8x8, Cells: 64) By Max Koval.
- Star of David 2 Level Hex Chess. An AOF offshoot on two side-10 triangles opposite ways round. (2x(), Cells: 110) By Charles Gilman.
- Stelliform 6 player Chess. Stellisch from Wellisch, Stellicorn from Revergent, and Stellgi and Hexgi. (17x17, Cells: 121) By Charles Gilman.
- Step and Circle TrigChess. Presentation of a short example game. By Graeme C Neatham.
- Step and Circle TrigChess . contains rules file with 2 boards and 2 piece sets. By Graeme C Neatham.
- Step and Circle TrigChess. Trigonal entry for the 45 or 46 cell 2007 design contest. (9x6, Cells: 46) By Graeme C Neatham.
- Steps Chess. Board looking like steps of many stairs.
- Stheno Chess. Introducing the repulsive Stheno, which repels pieces as far as possible in the alignment direction (zrf available). By M Winther.
- Straights. Chess-like Naval Battle game from the end of the 19th Century. (9x11, Cells: 81) Author: John Reece. Inventor: Anne Marriot Watson.
- Straights . Chess-like Naval Battle game from the end of the 19th Century. Author: Young-Hyun Joo. Inventor: Anne Marriot Watson.
- String Chess. A one-dimensional variant with a fairy theme. (1x24, Cells: 24) By Aaron Hall.
- String Chess. A one-dimensional variant with a fairy theme. Author: Mathew M. Burke. Inventor: Aaron Hall.
- Subway Chess . In a turn, player moves first middle subway part of board and then a piece. Author: Peter Aronson. Inventor: Francois Tremblay.
- Subway Chess. In a turn, player moves first middle subway part of board and then a piece. (7x7, Cells: 41) By Francois Tremblay.
- Sunflower HexChess. Hexagonal Chess in-the-round. (Cells: 120) By Graeme C Neatham.
- Swash. Different shaped boards. (Cells: 64) By Robert J. Bell.
- The Symmetrical Chess Collection . Web site containing a collection of Chess Variants based on perfect symmetry. By Derek Nalls.
- Symmetrical Chess Collection. Collection of several large symmetric chess variants with only line pieces. Author: Derek Nalls and Larry L. Smith. Inventor: Derek Nalls.
- Symmetrical Chess Collection. Collection of several large symmetric chess variants with only line pieces. By Derek Nalls.
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- Tables Chess. Missing description (12x2, Cells: 24) By Adam Goss.
- Tape Chess . Tape Chess and other almost one-dimensional chess variants. Author: Marek14 . Inventor: Sergey Sirotkin.
- Tape Chess. Tape Chess and other almost one-dimensional chess variants. By Sergey Sirotkin.
- Tardis Taijitu. Xiang Qi board but with movable, bigger-inside-than-outside Fortresses. (3x(9x10), Cells: 144) By Charles Gilman.
- Templar Chess. Features the unorthodox Templar on a board with eight extra squares. (8x10, Cells: 72) By Adrian Alvarez de la Campa.
- Templar Chess . Features the unorthodox Templar on a board with eight extra squares. By Adrian Alvarez de la Campa.
- Templar Chess. Play Templar Chess on Game Courier. Author: Fergus Duniho. Inventor: Adrian Alvarez de la Campa.
- Tetrahedral Chess. Three dimensional variant with board in form of tetrahedron. (7x(), Cells: 84) By Mark Thompson.
- Thraex_Chess. Introducing the Thraex, which captures like a rook, but moves by the bifurcated jump method (zrf available). By M Winther.
- Three Dimensional Circular Perspective Chess. Pieces must travel through a central point to get to the opponent's side of the board.
- Three-Quarter Board. Missing description (8x8, Cells: 48) By Rafael Snell-Feikema.
- Thronschach . A game on 42-squares with throne squares, and an interesting mix of pieces. Author: Peter Aronson. Inventor: Glenn Overby II.
- Thronschach. A game on 42-squares with throne squares, and an interesting mix of pieces. (5x8, Cells: 42) By Glenn Overby II.
- Tile Chess . Commercial chess variant, published by Steve Jackson Games. Author: Hans L. Bodlaender.
- Tipped Chess. Missing description (Cells: 113) By Matthew Kyle.
- Topologies Chess . Chess on a Cylindrical board, on a Toroidal Board, on a Mobius Strip and on a Klein Bottle. Author: Andrew Juell. Inventor: Alberto Monteiro.
- Toroidal Byzantine Chess. Circular chess modified to also be toroidal. (Cells: 64) By Anatoly Khalfine and Ernst Saperow.
- Torus and Klein Bottle Games . Missing description Author: Jeff Weeks.
- Torus Chess . Large chess variant on torus shaped board. By Köksal Karakus.
- Torus Chess. Large chess variant on torus shaped board. (16x8, Cells: 128) By Köksal Karakus.
- Torus Chess (The Shape of Space). Chess on a torus from the book "The Shape of Space". (8x8, Cells: 64) Author: Manuel Hohmann. Inventor: Jeff Weeks.
- The Tower Game. A simple three dimensional chess variant. (8x(5x5), Cells: 200) Author: Abdul-Rahman Sibahi.
- Trebuchet Chess. Introducing the Trebuchet, an active catapult piece that slings pieces over its head (zrf exists). By M Winther.
- Tri-Cubic Chess. Experimental chess variant on shape of three cubes. (3x(), Cells: 72) By Robert J. Bell.
- Triana. 3-player version of 6x6 games. (9x9, Cells: 54) By Charles Gilman.
- Triangle chess. Three player chess variant on hexagonal board. (In Hungarian). By Sándor Nagy.
- Triangle Chess. Chess for three players. (Cells: 144) By David Zitzelsberger.
- Triangular Chess. Missing description Author: (zzo38) A. Black. Inventor: _unknown.
- Triangular xiang-qi. Missing description (9x9, Cells: 81) By Daniil Frolov.
- Trigonal Chess. Translating chess onto triangles in a natural way. (9x17, Cells: 81) By Max Koval.
- Trigonal Chess: Make Your Own Board to Play Chess On Triangles. SVG-quality PDF file containing instructions and game set. (8x8, Cells: 64) By Max Koval.
- Trihexagonal Chess. Chess on a deltoidal trihexagonal tiling. (6x12, Cells: 72) By Max Koval.
- Triple Crown. A three-halves variant making use of the cross-centre step. (15x15, Cells: 150) By Charles Gilman.
- Troitzky Chess. Troitzky Chess by Paul Byway, standard pieces on irregular board (with zrf). Author: M Winther. Inventor: Paul Byway.
- Trubix-43. Unique piece and lines of movement on an hourglass board. (5x11, Cells: 43) By David Short.
- Trubix-43 . Unique piece and lines of movement on an hourglass board. Author: Peter Aronson. Inventor: David Short.
- Tryslmaistan Chess . Fictional chess variant on board made of 24 triangles. Author: Hans L. Bodlaender.
- Turret Chess. Introducing the Turret, which moves like a queen, and can hurl pieces over its head (zrf available). By M Winther.
- Turret Chess. The Turret catapult can sling any piece above its head, and let it land on an enemy piece (+ zrf). By M Winther.
- Turtle Shell Chess. Chess on a 33344-33434 tiling. (5x7, Cells: 64) By Samuel Trenholme.
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- Ultra Slanted Escalator Chess. Game on an asymmetrical board of 84 squares with Crabs and Ultras. (10x9, Cells: 84) By David Short.
- Ultra Slanted Escalator Chess . Game on an asymmetrical board of 84 squares with Crabs and Ultras. Author: Peter Aronson. Inventor: David Short.
- UOS (Universal Origin Spiel). Variant on a board with 113 diamond-shaped spaces. (Cells: 113) Author: Jörg Knappen. Inventor: Gerhard Loos.
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- Veles Chess. Introducing the deflecting Veles bifurcator on a Gustavian board (with zrf). By M Winther.
- Venator Chess. Introducing the Venator, a bifurcation cannon related to the Korean cannon, on a Gustavian board (zrf available). By M Winther.
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- Wau Chess. Chess with special movable board sections. (5x(), Cells: 52) By Ethan Hunt.
- Webball. Board that can be visualized as globe shaped spider web, based on dodecahedron. By J. R. Schmidt.
- Wedgie Chess. A triangular starting area on a rectangular board. (9x12, Cells: 68) By Bob Greenwade.
- Wikingerschach. Old commercial chess variant from Germany. Author: Hans L. Bodlaender.
- Windows Chess. Windows Chess is played with usual chess equipment on a board inspired by an arch-window. (8x8, Cells: 64) By David Cannon.
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- Yapsan's Spherical Chess. Play this early adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Peter Yapsan.
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- Zeppelin Chess. The Zeppelin flies directly to any empty square orthogonally, captures piece before landing square (+zrf). By M Winther.
- Zeppelin Chess. Introducing the Zeppelin, which can fly to any empty square orthogonally (with zrf). By M Winther.
- ZigZag Chess. Variant on `zigzagshaped' board. (12x12, Cells: 64) By Robert J. Bell.
- ZigZag X Chess. Variant on board with new shape. (12x12, Cells: 64) By Robert J. Bell.
- Zonal Chess. Board has special `zones' at both sides. Commercial game of 1970's. (Cells: 104) Author: Lawrence C. Smith.
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