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- 10-directionaI Chess . Chess using the army invented by Jorg Knappen. It also includes his suggested variants of CwDA using his army. By Nick Wolff.
- 2003 Multivariant compiled ZRF . All designs (except Extinction) to be used in upcoming tournament. Author: Glenn Overby II and Various.
- 21st Century chess . A Zillions file to play an updating of Chess for the video game generation, on a 10x8 board with Barons and Jesters. Author: Peter Aronson.
- 3-Dimensional Eight Level Chess . TRUE 3D Chess on an 8 x 8 x 8 board.
- 3D Arimaa . 3D Arimaa - Arimaa meets Raumschach. By Tim O'Lena.
- 3D Shogi. Three dimensional version of Japanese Chess. By Larry L. Smith.
- 3D Xiang Qi. Three dimensional version of Chinese Chess. By Larry L. Smith.
- 3D8L Chess . TRUE 3D Chess on an 8 x 8 x 8 board.
- 3to2. Missing description By Stephane Burkhart.
- 4 Armies . Each player controls two armies. Author: Fergus Duniho. Inventor: Patrick Riley.
- 4-handed Chaturanga with dice. Missing description Author: M Winther.
- 4-handed Shatranj. Shatranj for Four. Author: M Winther.
- A9 HexaChess Zillions Zip . Missing description By Graeme C Neatham.
- Abagoren Macedonian Chess . Missing description By Malcolm Webb.
- ABC Chess. A variant with 8 armies of pieces generated by combining 1, 2 or 3 simpler pieces. By Jeff `Cavebear` Stroud.
- Abecedarian Big Chess (ABChess) . Design-your-own chess armies on a big board. By Glenn Overby II.
- Abstract Chess . Pieces are really by stacks of stones of different heights, with their move depending on the number of stones. Author: Peter Aronson. Inventor: João Pedro Neto.
- Accounting Chess . Modern Business Chess: win by capturing or indicting the opposing CEO (King), or bilking all of your Stockholders (Pawns). By Dan Troyka.
- Achernar . ACHERNAR is a mix of the game ALTAIR and Western Chess. By Roberto Lavieri.
- Ajax Chess . Missing description By Jose Carrillo.
- Al-ces . Variant on 10 by 10 board with 30 pieces per player. Author: Marek14 . Inventor: Köksal Karakus.
- Alapo . Game with abstract pieces. Reach opponents first row on 6 by 6 board. Author: Uwe Wiedemann. Inventor: Johannes Tranelis.
- Alekhine Chess. Named in honor of Alexander Alekhine, World Chess Champion 1927-1935, 1937-1946. By Michael Wortley Nolan.
- Alice Chess . Classic Variant where pieces switch between two boards whenever they move. Author: Pierre Tourigny. Inventor: Vernon Rylands Parton.
- Alice Chess . New Alice Chess ZRF plays Alice Chess on two boards. Author: Fergus Duniho. Inventor: Vernon Rylands Parton.
- Alice Raumshach . Combining the Raumschach and Alice chess variants. By Robert Price.
- All in 1 . Missing description By Namik Zade.
- All The Way Chess. Pieces must move as far as they can when moved. By Doug Chatham.
- Almost Chess . One queen has combined rook and knight moves. Author: Uwe Wiedemann. Inventor: Ralph Betza.
- Altair. Altair is a modern game with an oriental flavor. By Roberto Lavieri.
- Amazone Chess . Queen may also move as a knight. Author: Uwe Wiedemann.
- Ambi-Chess . Large board with two kings, move a member of each of two armies each turn. Author: Larry L. Smith. Inventor: Vernon Rylands Parton.
- American Chess. Large variant. Remove Generals from center columns to win. By Andy Thomas.
- Amphibian Chess . Pieces capture by leaping when there's a square past the target, or by replacement when the target is on the edge. Author: Peter Aronson. Inventor: Tony Paletta.
- Amphora . Chess variant inspired by game of Stone Warriors on wine bottle shaped board with 40 squares. Author: Jens Markmann. Inventor: Peter Aronson.
- Annan Shogi . Shogi variant where pieces move like a friendly piece directly behind it (and similar variants). Author: Young-Hyun Joo.
- Antarctic Chess or Predators and Penguins . Missing description By Graeme C Neatham.
- Anti-Gravity Chess . Pieces that move repel other pieces. By João Pedro Neto.
- Anti-King Chess . Each player has both a King and an Anti-King to protect; Anti-Kings are in check when not attacked. By Peter Aronson.
- Anti-Magnetic Chess . Pieces that move repel pieces like magnets. Author: João Pedro Neto.
- Anti-Relay Tutti-Frutti Chess . Anti-relay is when a piece loses a movement capability it normally does have due to its position relative to another piece. By Michael Nelson.
- Anywhere Chess . Pieces (except kings) can make teleport moves to any empty square on the board. Author: Uwe Wiedemann.
- Arabian Nights Chess . Large modern variant of historic Shatranj, with more pieces and flying carpets. Author: Peter Aronson. Inventor: Paul E. Newton and Timothy R. Newton.
- Arena Chess 42 . Game with two boards totaling 42-squares where pieces captured on the large board move to the small board. By David Howe.
- Assimilation Chess . Increase your material by assimilating your opponent's pieces. By Fergus Duniho.
- Assimilation Fusion Chess . A hybrid of Assimilation Chess and Fusion Chess. Pieces combine and split apart. By Fergus Duniho.
- Asylum Chess . Includes new game that features dual path compound pieces: the Loony Snake Rook and the Insane Snake Bishop. By Charles Daniel.
- Asylum Redux . Introducing the Loony Snake Rook and Insane Snake Bishop. Also starring the dangerous and superfast Ninja Pawns! By Charles Daniel.
- Atlantean Barroom Shatranj . Missing description By Christine Bagley-Jones.
- Atlantis Chess . Instead of moving, a player may remove an square from the edges of the board. Author: Doug Chatham. Inventor: Gerben Dirksen.
- AtTENdance Chess . Missing description By Erez Schatz.
- Augmented Chess . Players give standard chess pieces small additional movement possibilities from predescribed set. Author: Peter Aronson. Inventor: Ralph Betza.
- Australian Football Chess. Game based on Australian Rules Football and Chess. By Robert Winkel.
- Avalanche Chess . A popular chess variant, where you advance your opponents pawns. Author: Young-Hyun Joo. Inventor: Ralph Betza.
- AvantGarde Chess . A font-named variant that adds a Centaur and a Man to the standard setup. By Peter Aronson.
- Avian Airforce . Experimental Rider/Leaper Army for Chess with Different Armies vs the Usual Four and Other Armies. Author: Peter Aronson. Inventor: Ralph Betza.
- Aviary . New pieces with shogi elements and a bird theme. Author: Peter Aronson. Inventor: Daniel Hollombe.
- Azchess . Missing description By Namik Zade.
- Azchessimp . Missing description By Namik Zade.
- Azerbaijan Chess . http://zillions-of-games.com/cgi-bin/zilligames/submissions.cgi/79138?do=show;id=1659. By Namik Zade.
- Azsymchess . Missing description By Namik Zade.
- Azsymchess pawns shuffler . Missing description By Namik Zade.
- Azsymchess1024 . Missing description By Namik Zade.
- Azsymchessdrop(Improved) . Missing description By Namik Zade.
- Azsymdrop(Updated)) . Missing description By Namik Zade.
- Bach Dang Chess . Game on board of 88 squares, with Ships and other special pieces and rules. By Vu Q Vo.
- Bachelor Chess . Win by mating your opponent, or marrying off your King. By Doug Chatham.
- 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.
- Balaklava Chess . All non-royal units can make non-capturing knight moves. Author: Marek14 . Inventor: Gianluca Vecchi.
- Balbo's Chess . Board with a strange shape designed to make Bishops stronger in relation to Rooks. Author: Andrew Juell. Inventor: M G Balbo.
- Ball's AKA Military Chess . Variant on 10x10 board with military-themed short-range pieces where the goal is to occupy one of your opponent's center squares. Author: Marek14 .
- Bank Chess . Put your assets on the bank for later use! 6 Variants. Author: Karl Scherer. Inventor: Karl Scherer and Denis van Straten.
- Barasi chess . Game named after inventor with Berolina pawns can also move backwards; other pieces can only move forwards. Author: Marek14 . Inventor: Paul Barasi.
- Bario. Pieces are undefined until they move. Author: M Winther. Inventor: Panos Louridas.
- Barion. A variant of the chess variant Bario. By M Winther.
- Bastille Chess . Win by clearing your opponent's fortress. Author: Peter Aronson.
- Battle Chieftain Chess . Warriors and a king fight on a board with walls and holes. Author: Peter Aronson. Inventor: Craig Daniel.
- Beastmaster Chess . Large chess variant with a fantasy theme, emphasizing leaping pieces. By Glenn Overby II.
- Beautiful Sun Chess (Meiriqi) . 10x10 blend of FIDE, Shogi, and Xiangqi influences. By Glenn Overby II.
- Bedlam . A hybrid of Metamorphin' Fusion Chess and Chessgi. By Fergus Duniho.
- Beginners Chess. Missing description By Stephane Burkhart.
- Bellows Chess . The board expands and contracts from turn to turn. Author: Larry L. Smith. Inventor: Tony Quintanilla.
- Benedict Chess . Instead of being captured, enemy pieces switch sides. By Dan Troyka.
- Besiege Chess . Large variant with White on either side, Black in center. Author: Marek14 . Inventor: Köksal Karakus.
- Bifocal Chess . A game without capture : win by checkmate with a neutral piece! By Antoine Fourrière.
- Big Battle . Large (10x10), commercial variant. Author: David Milne. Inventor: M. K. Morrison.
- Big Chess . Chess variant on a 14 by 8 square board with extra Pawns, Knights and Bishops. Author: Peter Aronson. Inventor: Sergey Sirotkin.
- Big Outer Chess . Large variant with concentric circles on the board, so there is less concentration on the center. Author: David Howe. Inventor: Peter Blanchard.
- Big Pawn Chess . Missing description By Ken Franklin.
- BigBangChess . Chess with an expanding and contracting board. By Graeme C Neatham.
- Bilateral Chess . Game on 12x8 board adding Lions, switching Cannons, Wizards and pushing Elephants, but keeping the standard array in the middle. By Antoine Fourrière.
- Birds and Ninjas . Featuring the Flying Bombers that fly over to capture, and the short-range Ninja Guards that capture two enemy pieces at once. By Charles Daniel.
- Black Hole Chess . Variant on board with 100 squares with hole in middle of board, combination pieces and hiding squares for kings. Author: Fergus Duniho. Inventor: David Short.
- Black Holes . On 5 by 8 board with holes as pieces which also can be used for transport. Author: Peter Aronson. Inventor: Juraj Lörinc.
- The Blindly Game . Missing description By Namik Zade.
- Blizzard Chess. Chess, as if it had been developed by the software industry. Author: Larry L. Smith. Inventor: Blarney.
- Blizzard Chess . Chess, as if it had been developed by the software industry (with all patch levels). Author: Alfred Pfeiffer. Inventor: Blarney.
- BlockChess. Decimal variant with standard pieces starting out in the corners. By Ronald W Brierley.
- BomberChess . A pawn may be exploded, removing pieces on all 8 adjacent squares. Author: Peter Aronson. Inventor: Adam Norberg.
- Bomberman . Variant on 8 by 10 board with bombs and diffusers. Author: Jens Markmann.
- Boolean Rithmomachia . Missing description By Larry L. Smith.
- Booster Chess . Pawns push friendly pieces. Author: Marek14 . Inventor: Tony Paletta.
- 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 II . Game played on line edges with Shogi-like aspects. Author: Peter Aronson. Inventor: Jared B. McComb.
- Borg Queen. Variant of Star Trek 3D Chess. By Larry L. Smith.
- Bottleneck Chess . Most pieces start the game locked up in two bottleneck parts of the board. By Köksal Karakus.
- Brett Rules . Different mobility of queens, rooks, and bishops and a different winning condition. Author: Uwe Wiedemann. Inventor: Juraj Pivovarov.
- Brett rules . Different mobility of queens, rooks, and bishops and a different winning condition. Author: Marek14 . Inventor: Juraj Pivovarov.
- The Bridge41 . 41 square board with bridge in the middle. Author: Peter Aronson. Inventor: Hubert Lamontagne.
- British Chess ZRF . ZRF for British-themed variant with a royal Queen + Lions, Unicorns & Dragons. By Fergus Duniho.
- Brotherhood Chess . A piece cannot capture one of its own kind. Author: Marek14 . Inventor: Gianluca Vecchi.
- Bughouse Chess. 4 player variant where pieces taken from your opponent are given to your partner. Author: Karl Scherer.
- Burmese Chess. Missing description Author: M Winther.
- Bushi Shogi. Extremely small shogi variant played with cube pieces. Author: Larry L. Smith. Inventor: Georg Dunkel.
- By Rook Or By Crook . Chess in the round on a hexagonal board with 42 trapezoidal squares. Author: Peter Aronson. Inventor: Jeff Rients.
- Byelorussian Cheskers . Crossover between chess and Russian draughts. Author: Uwe Wiedemann. Inventor: N. N. Grushevsky.
- Byzantine Chess . A variant of Shatranj, played on a round board. Author: Robert Price.
- Cambodian Chess . Mysterious 9x9 "Cambodian" Chess game that seems unknown in Cambodia. Author: Ivan Derzhanski.
- Cannibal Chess . Pieces get the powers of a piece they take. Author: Marek14 .
- Cannon Chess . Played on a 9x9 Shogi board, feature various types of 'Cannon' pieces. Inventor: Peter Michaelsen.
- Cannon Shogi . Played on a 9x9 Shogi board, feature various types of 'Cannon' pieces. Inventor: Peter Michaelsen.
- Cannons and Crabs . A variant on a 7x6 board with Crabs (improved Pawns), and Cannons (leapers). Author: Peter Aronson. Inventor: David Short.
- Cannons of Chesstonia . Cannons launch a Pawn, Wazir, Ferz and Stone to increase strategical and tactical play. Author: Antoine Fourrière. Inventor: Gary K. Gifford.
- Canonical Chess Variants . A family of chess variants that blends Xiang Qi and Western Chess. By Tony Paletta.
- Canopus . Most pieces movements are range-limited. The game play is violent and tense, but fluid. By Roberto Lavieri.
- Capablanca Shatranj. Capablanca Chess with Chancellor and Archbishop replaced by Shatranj type pieces. By Christine Bagley-Jones.
- Capablanca's chess . Version using Alfaerie graphics. Author: David Howe. Inventor: Jose Raul Capablanca.
- Captain Spalding Chess . Find an Elephant in your Pajamas. Author: Peter Aronson. Inventor: Ralph Betza.
- Capture-the-flag Chess . A translation of the classic children's game to a 42-square board. Author: Peter Aronson. Inventor: Thomas Cameron.
- Cardmate . Chess variant on board with 100 squares, inspired by card games. By Ivan Derzhanski.
- Carnage . Features new pieces that attack by detonation, withdrawal, approach, and immobilization. By Charles Daniel.
- Carrera Drop Chess. Game with extra cannons. By Namik Zade.
- Castle Chess . White must prevent black from castling. Author: Uwe Wiedemann.
- Castle Siege Chess . Byzantine Chess merged with 6x6 chess board. By Richard VanDeventer.
- Catapults of Troy . Large variant with a river, catapults, archers, and trojan horses! Author: Antoine Fourrière. Inventor: Gary K. Gifford.
- Cavalier Chess . All pieces except queens have some kind of knight-movement. By Fergus Duniho.
- Cavalry Chess . A once popular variant from the 1920's where every piece has additional jumping moves. Author: Peter Aronson. Inventor: Frank Maus.
- Cazaux Chess. Some chess variants invented by Jean-Louis Cazaux, along with some others. By Jean-Louis Cazaux.
- CC chess . Missing description By Namik Zade.
- CCC-FF . Missing description By Namik Zade.
- CCC-FF(updated) . Missing description By Namik Zade.
- CCC-FF(updated) with zrf.file. Missing description By Namik Zade.
- CCChess new generations. Missing description By Namik Zade.
- CCChess-FF(In-Yan variant). Missing description By Namik Zade.
- Centaur Chess . All pieces except Pawns move backwards as Knights. By Adrian Alvarez de la Campa.
- Centaur Royal and Double Centaur Royal . Missing description By Larry L. Smith.
- Centennial Chess . 10x10 Variant that adds Camels, Stewards, Rotating Spearmen and Murray Lions to the standard mix. Author: David Howe. Inventor: John William Brown.
- The Central Squares . 3d chess variant where all three levels share their central squares. By João Pedro Neto.
- Chakra . Variant with fairy pieces and transmitters that can transport pieces. Author: Robert Price. Inventor: Christian Freeling.
- Chameleon . Chess variant on board of 41 colored squares, where pieces change type depending on color of square the move to. By Tony Quintanilla.
- Chameleon Chess . Each player has a King and 11 Chameleons whose moves are determined by the type of square they are on. Author: Peter Aronson. Inventor: P. D. Magnus.
- The Chance Game . Missing description By Namik Zade.
- Changling Chess. Rooks become Bishops and Bishops become Rooks when moved. By Karl Scherer.
- Charge Chess . Pieces must move forwards or sideways until they hit the last row. By Jeremy Pflasterer.
- Chaturaji modern-variant (4-handed Chaturanga without dice) . Missing description By Emmanuel Baud.
- Chaturanga . Version using Alfaerie graphics. Author: David Howe.
- Chaturanga . Version with fancy graphics. Author: David Howe.
- Chaturanga . Oldest known form of chess. Author: Tony Quintanilla.
- Chaturanga 10x10. Two decimal variants: 'Shatranj Elephants' and 'Chaturanga'. By Christine Bagley-Jones.
- Chaturanga 4-84 . An Updating of Chaturanga for Four Players with modern pieces on an 84-square board. By Peter Aronson.
- Chaturanga-Shatranj-Senterej . Oldest known version of Chess plus Arabic Chess plus a guess at Ethiopian Chess. Author: Tony Quintanilla.
- Chazz . Only kings and pawns. Pawns can move backwards. Author: Uwe Wiedemann.
- Cheapmate Chess . Mate your opponent with an illegal move. Author: Gary Baydo. Inventor: Robert Price.
- Cheapmate Chess . Mate your opponent with an illegal move. By Robert Price.
- Cheer Chess. All pieces are boosted by sideline Cheerers. By Ken Franklin.
- Cheshire Cat Chess . When a unit leaves a square, the square vanishes. Author: Marek14 . Inventor: Vernon Rylands Parton.
- Chesica . Game from the 19th Century combining elements of Checkers and Chess. Author: Peter Aronson. Inventor: Frederick S. Copley.
- Cheskers . Cross-variant between chess and checkers. Author: Uwe Wiedemann. Inventor: Solomon W. Golomb.
- Cheskers and Grand Cheskers . Cross-variant between chess and checkers, with variants on larger boards. Author: Peter Aronson. Inventor: Solomon W. Golomb.
- Chesquerque . Variant played on a quadruple Alquerque board. Author: Peter Aronson. Inventor: George Dekle.
- Chess - The Speed Game . Chess on a 5 by 6 board. Author: Marek14 . Inventor: ? denOude.
- Chess 2000 . Chess on 8 by 8 board with knight/rook and knight/bishop pieces. Author: Uwe Wiedemann. Inventor: Gerhard Josten.
- Chess 68 . 8 x 8 board with 4 extra corner squares, two extra piece types.
- Chess Battle . Military-themed Chess variant on a large board, invented in the Soviet Union in 1933. Author: Roger Norling. Inventor: A. S. Yurgelevich.
- Chess Cubed. Played within a 4x4x4 cube. By Larry L. Smith.
- Chess II . Two extra files with two additional pieces (princes) on each side. Author: Marek14 . Inventor: Jesse A. Obligacion.
- Chess in the Fast Lane . The 64-squares of a regular Chess board are grouped into 41 "regions" producing a small board that looks full size. Author: Peter Aronson. Inventor: Francois Tremblay.
- Chess Olympic . Kings, Queens and Pawns have additional moves, and victory is by capture instead of checkmate. Author: Peter Aronson. Inventor: Redzo Kolakovic.
- Chess on a 12 by 12 Board . Orthodox chess but with additional squares around the setup. Author: Peter Aronson. Inventor: Doug Vogel.
- 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 Larger Board with not so few Pieces Dropped . Game with an interesting mix of Orthochess and Exotic pieces, some of which start in-hand. By Antoine Fourrière.
- Chess on a Longer Board with a few Pieces Added . On a 10 row by 8 column board, with three new pieces. By David Howe.
- Chess on a Soccer Ball . Chess played on the 20 hexagons and 12 pentagons of a soccer ball. By David Cannon.
- Chess on the Rainbows. Players must retain a piece on all 6 colors of a 6-color board.
- Chess Soccer . Chess Soccer game on a 9x9 board with no Pawns, no Captures, two goals and one ball. Author: Marek14 . Inventor: Joseph Boyer.
- Chess with Batteries . Special Battery piece which augments the powers of other pieces. By Roberto Lavieri.
- Chess with Cyclical Armies . Whenever a piece moves, it changes to another type of piece of vaguely similar value. By Peter Aronson.
- Chess with Different Armies . Massive version of Chess with Different Armies with index page and many experimental armies. Author: Peter S. Hatch. Inventor: Ralph Betza.
- Chess with Different Armies . Play chess but with different types of armies. Author: Peter Aronson. Inventor: Ralph Betza.
- Chess with Different Armies . Version using Alfaerie graphics. Author: David Howe. Inventor: Ralph Betza.
- Chess with Different Armies . Play chess but with different types of armies. Author: Peter Aronson. Inventor: Ralph Betza.
- Chess with Different Periods . A Turn-related variant of Los Alamos Chess. Players may play with many modest variants. By Yu Ren Dong.
- Chess with Ultima, Rococo and Supremo Pieces . A series of variants with the Orthochess array transplanted to a 10x10 board and various exotic pieces added. By Peter Aronson.
- Chess without pawns . Variant where only kings can take and no pawns are used. Author: Mats Winther. Inventor: Vladislav Rapetsky.
- 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.
- Chessapawn . Game where all pieces move forward and a win is by promoting. By Robert Price.
- Chessence . Variant on a 9 x 6 board with 8 missing squares, immobile Kings, and 9 pieces whose movement depends on their spatial relation. Author: Alfred Pfeiffer. Inventor: Jim Winslow.
- Chesseract . Four dimensional chess variant. Author: Robert Price. Inventor: Jim Aikin.
- Chessgi . Captured units become yours to drop onto the board. Author: Fergus Duniho.
- Chessling . Variant where the board starts empty and each player can move or drop a piece, and the goal is capture of all opposing pieces. Author: Marek14 . Inventor: How-Hie Ling.
- ChessNim. Drop chess pieces and reduce the number of unattacked squares on the board. Author: Doug Chatham. Inventor: Alfred Pfeiffer.
- Chessopoly . Board with a hole in the middle where pawns move clockwise. Author: Andrew Juell. Inventor: Ralph Betza.
- ChessVariants.zrf. 17 variants in 1 file. By (zzo38) A. Black.
- Chigorin Chess. White has knights instead of bishops and a chancellor for his queen; black has bishops instead of knights. Author: Peter Aronson. Inventor: Ralph Betza.
- Chinese Checkers Chess . Some pieces may make multiple jumps as in Chinese Checkers. By Ken Franklin.
- Chosen Chess. Move a piece you chose last turn, then choose a piece to move next turn. Author: Peter Aronson. Inventor: Gianni Cottogni.
- Chu Shogi. Shogi variant on 12 by 12 board.
- Chu Shogi Western . Missing description Author: Christine Bagley-Jones.
- Cincinnati 4-Way Chess . Four player chess variant from Cincinnati. Author: Robert Price.
- Circular Chess . Chess on a round board with modern pieces. Author: Robert Price. Inventor: Dave Reynolds.
- Circular Perspective Chess . Pieces must travel through a central point to get to the opponent's side of the board. Author: Andrew Juell.
- Citadel Shatranj . A variant of Shatranj, played on a ten by ten board with four extra citadel. Author: Marek14 .
- The Clash of Civilizations Chess (Updated) . Missing description By Namik Zade.
- Clash of Command . Chesslike game with pieces that change and leave behind other pieces on special board.
- The Clash of Continents Chess . Missing description By Namik Zade.
- Cleopatra Chess . No captures, but your Cleopatra (Queen) can seduce opposing pieces to your side. By Dan Troyka.
- Clockwork Orange Chess . Captured pieces are replaced with non-capturing counterparts. By Fergus Duniho.
- Cobra Chess . Variant on 10 by 10 board with new pieces, including the Cobra. Author: Antoine Fourrière. Inventor: Derick Peterson.
- Coherent Chess . Variant on 9 by 9 board with special knights. Author: Uwe Wiedemann. Inventor: Carlos Cetina.
- Colorful Osmosis Chess . All basic pieces are colorbound or colorwithching and can create compounds. (10x10, Cells: 100) By Michael Nelson.
- Colossus . With twice the number of Rooks, Bishops and Knights. Also includes 5 new variants with exotic pieces. By Charles Daniel.
- Combination Chess . Pieces give their movement capabilities to friendly pieces in their zone of influence. By David Howe.
- Combining Knightmare Chess . When a single piece other than a Pawn or a King captures, it combines with that piece into a Knightmare either side may move. By Peter Aronson.
- Commando Pawn Chess . Once a Pawn crosses the midpoint of the board, it moves like a Berolina Pawn. Author: Marek14 . Inventor: Tony Paletta.
- Complete Chess . on big board with riding and leaping piece families. (12x12, Cells: 144) By Thomas .
- Confusion Chess1b . Every piece is replaced by something roughly equivalent that moves strangely. Author: Peter Aronson. Inventor: Ralph Betza.
- Convergent Chess . Attack king directly or move to its home square on board with 40 squares. By A.J. Winkelspecht.
- Coregal Chess . Both kings and queens are royal. Author: Uwe Wiedemann. Inventor: Vernon Rylands Parton.
- Counsellor Chess . Variant on 12 by 8 board that adds Elephants and Counsellors. Author: Marek14 . Inventor: R. Douglas Wells.
- Countdown Queens. Each queen can make at most 7 moves in the whole game.
- Courier 'de la Dama' . Courier Chess with a Modern Queen and other changes for more dynamic play. By Nuno Cruz.
- Courier Chess . A large historic variant from Medieval Europe. Author: Francis Monkman.
- Courier-Spiel . This is a more modern variant of Courier Chess in 19th. By Yu Ren Dong.
- Courrier Chess . Version using Alfaerie graphics. Author: David Howe.
- Courtyard . Variant on 5 by 8 board. Author: Marek14 .
- Coward Chess . King captures usual/moves a sq. only by switching places. By Ken Franklin.
- Cows and Butterflies . A simple Chess-like game of exchanges and promotions. Author: Peter Aronson. Inventor: Jennifer Aronson.
- Crazy 38's . On strange board with 38 squares. Author: Robert Price. Inventor: Ben Good.
- Crazyhouse . A two-player version of Bughouse. (Recognized!) Author: Fergus Duniho.
- Crazyhouse No Retreat Morphy Chess. Normal Crazyhouse except pieces cannot move backwards. By Christine Bagley-Jones.
- CrazyWar. CrazyWar is normal Crazyhouse with extra pieces. By Christine Bagley-Jones.
- Cross Chess . Game played on a cross-shaped board. Author: Peter Aronson. Inventor: Leigh Miller.
- Cross-Eyed Chess . Two player variant on cross-shaped board. Author: Dan Troyka. Inventor: Uri Bruck.
- Cross3D Chess . 3D Chess game where pieces are arranged in a cross shape. By Stephane Burkhart.
- Crowded Angle 10x10 Chess . Variant where pieces are set up in a L-shape on a 10x10 board. By Uwe Wiedemann.
- Cuarenta . Played only of the light-colored squares of a 9 by 9 board. By Mark Thompson.
- Cuban Chaturang. 10x10 variant from Havana with Vampire Bats that move as King, Knight or Zebra. Author: Ivan Derzhanski. Inventor: German A. Mentz.
- Cube+ . Three dimensional chess variant with 38 squares. Author: Marek14 . Inventor: Jim Aikin.
- Cycle Chess . Variant on a board with 39 cells, three of which are special. Author: David Howe. Inventor: Andy Kurnia.
- Dabbabante Chess. Variant played on a 10x10 board with Super Dabbabah pieces. Author: Peter Aronson. Inventor: Vernon Rylands Parton.
- Dai Dai Shogi. Extremely large Shogi variant invented in the 17th century. Author: Douglas Silfen and Eduard Werner.
- Dark Chess . You can see all of your pieces, but only those of your opponent that you attack. Author: Andreas Kaufmann. Inventor: Jens Baek Nielsen.
- Dart Chess . Chess on a 6x6 board with a new piece: the Dart. Author: Marek14 . Inventor: Darren Izzard.
- Dead Square . When pieces take, the square becomes impassible and all surrounding pieces disappear. Author: Marek14 . Inventor: Jason Shields.
- Decima . Missing description By Michael Nelson.
- Deep Blue versus Kasparov. White and Black each have their own way of winning.
- Delayed Chess. Only see your opponent's moves that are two moves old. Author: Karl Scherer. Inventor: Peter Obermair.
- Delegating Chess . 84 square variant in which pieces delegate moving powers. Author: Peter Aronson. Inventor: João Pedro Neto.
- Delta88 Chess . Missing description By Graeme C Neatham.
- Demi Chess . Chess on a 4 by 8 board. Author: Marek14 . Inventor: Peter Krystufek.
- Demi-Chess . Chess on a 4 by 8 board. Author: Uwe Wiedemann. Inventor: Peter Krystufek.
- Demotion Chessgi . Chessgi variant limited to 32 turns by demotions and the removal of Pawns. By Fergus Duniho.
- Deneb . Special pieces and winning conditions. By Roberto Lavieri.
- Dervish Chess . Large variant with a great variety of pieces. By Benoit Dauphin.
- Descent Chess Zillions file. . Start with a King and two Pawns, then move or drop one of the remaining pieces. By Andreas Kaufmann.
- Desert Benedict Chess. A hybrid of Desert Chess by Uwe Wiedemann and Benedict Chess by W.D Troyka. By Rich Hutnik.
- Desertion Chess . When you move next to opposing pieces, they desert to your side; win by converting or capturing all opposing pieces. By Uwe Wiedemann.
- Diagonal Chess . Board turned 45 degrees. Author: Marek14 . Inventor: David Howe.
- Diagonal Oblong Chess . The board is an oblong on diagonal direction. By Shi Ji. By Shi Ji.
- Diagram Maker. Zillions of Games file for creating chess problem diagrams. Author: Ben Good.
- Diamond Chess . Chess variant on diamond shaped board with 40 squares. Author: Jens Markmann. Inventor: Bruce Mills.
- Diamond Chess 306. A large variant inspired by Tony Paletta's PARACHESS and Fergus Duniho's ASSIMILATION FUSION CHESS. By David Cannon.
- Diana . Chess on a 6 by 6 board. Author: Marek14 . Inventor: ? Hopwood.
- Diana Chess . Chess on a 6 by 6 board. Author: Uwe Wiedemann. Inventor: ? Hopwood.
- Different Armies. Various black armies versus the standard white army. By Roger Cooper.
- Different Armies Chess . Missing description Author: João Pedro Neto. Inventor: Ralph Betza.
- Different moving pieces . Missing description Author: Andrew Juell.
- Dino-Czars . Battle between rival dinosaurs on a board of 42 triangles, where facing counts. By Clark Rodeffer.
- Diplomat Chess . Round-board variant with a Diplomat to suborn opponents. By Carlos Martin-Fuertes.
- Displacement Chess 2 . Chess with minor modifications and no opening theory! By Charles Daniel.
- Divergent Chess . All pieces capture different than they move without capturing. By A.J. Winkelspecht.
- Do-or-die Chazz . Pawns that can move backward and kings only on 5 by 8 board. Author: Marek14 .
- Do-or-die Chess . Chess on 5 by 8 board: three rows removed. Author: Marek14 .
- Dodl-schach . A truly small variant. Author: Marek14 .
- Dollar Chess . Almost 1-Dimensional Variant on a Dollar sign-shaped board. Author: Marek14 . Inventor: Sergey Sirotkin.
- Double Alternate Chess. Game played on two boards with object to checkmate either King. Inventor: Ken Franklin.
- Double Chess . On 16 by 8 board. Author: Sean Christopher Duggan. Inventor: David Short.
- Double Diamond . Irregular board with diagonal orientation. Author: Peter Aronson. Inventor: Jim Aikin.
- Double King Chess . With two kings on a 10 by 8 board. Author: Marek14 .
- Double-Ended Chess. Captures are by withdrawal and approach. By Peter Aronson.
- Double-Pawn Chess . Pawns may combine into Double-Pawns which move twice a turn. By Peter Aronson.
- Doublestep Chess and Doubletime Chess . All pieces may move twice when moving. Author: Young-Hyun Joo. Inventor: Ralph Betza.
- DragonChess . A three-dimensional fantasy variant. Author: Larry L. Smith. Inventor: Gary Gygax.
- Drawless Chess . Simple rules are added to make draws impossible. Author: Marek14 . Inventor: Michael D. Ward.
- Drop Super Symchess (Updated) . Missing description By Namik Zade.
- DropSSShess . Missing description By Namik Zade.
- Dual Chess . A more Chess-like variant featuring the Marshall and the Cardinal. By Antoine Fourrière.
- The Duel . Two hoppers eliminate squares as they go and compete against one another. By Namik Zade.
- The Duel II . Missing description By Namik Zade.
- Dueling Archbishops . Small chess variant on 2 by 3 board. By Jason D. Wittman.
- Duggan's Fantasy Chess (revised). Revised and Improved version of fantasy chess variant. By Sean Christopher Duggan.
- The Duke of Rutland's Chess . Large variant from 18th century England. Author: Robert Price.
- Duluth chess. 5 minor changes to Western Chess that can affect all stages of the game. By Jeff Johnson.
- Dunkeys . Missing description By Namik Zade.
- Dunsany Chess . 32 pawns play against a full set of pieces. Author: Hans L. Bodlaender. Inventor: Edward John Morton Drax Plunkett.
- Dunsany's chess . 32 pawns play against a full set of pieces. Author: Uwe Wiedemann. Inventor: Edward John Morton Drax Plunkett.
- Durerschess . Dürer's Chess is played on a tiling of tessellating pentagons and diamonds, first described by Albrecht Dürer in 1525. By David Cannon.
- Dutch Chess . Different objective and piece movements with orthodox chess set. Author: Uwe Wiedemann.
- Dynamic Chess . Pieces move like closest piece left on the same rank. Author: Marek14 .
- Edge Chess . Pieces can stand on the edges of squares. Author: Robert Price. Inventor: Mitch Martin.
- Edgehog Chess . Three Chess variants featuring John Driver's edge-loving piece the Edgehog. Author: Peter Aronson. Inventor: John Driver.
- Eight Stone Chess . On an 8 by 9 board with eight neutral stones. Author: David Howe. Inventor: Jim Aikin.
- Eight Stone Chess . Version using Alfaerie graphics. Author: David Howe. Inventor: Jim Aikin.
- Elbow Room . Usual set of pieces and eight additional pawns per player on 8 by 16 board. Author: Peter Aronson. Inventor: David Short.
- Elena . Chess on 5 by 6 board. Author: Marek14 . Inventor: Sergey Sirotkin.
- Elena Chess . Chess on 5 by 6 board. Author: Uwe Wiedemann. Inventor: Sergey Sirotkin.
- Elephant Hunt . Ituri Forest Pygmi traditional game with chess-like elements. By Freederick .
- Elevator. Three-dimensional chess variant with moving elevators and walking, vaulting and flying pieces. Author: Larry L. Smith. Inventor: Ben Good.
- Emperor of China. A Chess and Halma mixed game. By Vincent Everaert.
- Emperor Raumschach. Variant of Dr. Fredinand Maack's Raumschach. By Larry L. Smith.
- Emulation Chess. Pieces have no move of their own, but move instead like adjacent pieces of either side. Author: Doug Chatham. Inventor: Jason Shields.
- En passant Chess. Orthodox chess on a shortened board of only 7 rows. Encourages more en passant moves.
- Epsilon Eridani . A 44-square version of Achernar. By Roberto Lavieri.
- Equestrian Chess . On diamond shaped board with reentry squares and different pieces. By Jason D. Wittman.
- ERB Jetan . Implements different possible rules for Jetan. Author: Larry L. Smith. Inventor: Edgar Rice Burroughs.
- Eric's 40-square Fiasco . Game on 5 by 8 board with three pieces that start in reserve. Author: Marek14 . Inventor: Eric Richardson.
- Eric's Great Chess . Modern variant on historic large chess variant. Author: Marek14 . Inventor: Eric V. Greenwood.
- Espionage Chess . Spy can only be captured in turn after it has moved in 41-square variant. Author: Peter Aronson. Inventor: Sergey Sirotkin.
- Etcetera . This variant has some elements of Chinese Chess. Also, pieces cannot capture pieces of their own type. By Roberto Lavieri.
- Euchess . Grand chess variant on 10 by 10 board. Author: Marek14 . Inventor: Carlos Cetina.
- EurasiaChess Shogi . Shogi and mini-Shogi with mixed chess-symbols&Japanese-Kanjis. Author: Emmanuel Baud.
- Eurasian Chess . Synthesis of European and Asian forms of Chess. By Fergus Duniho.
- Every Man a Pawn. Each piece has the powers of a Pawn (except promotion) in addition to its normal powers. By Peter Aronson.
- Evolution Chess . Game where pieces add the abilities of pieces they capture. By Harvey Patterson.
- Evolution Chess . 42-square game where each player starts with 20 Knights that evolve and a King. By Jason D. Wittman.
- Excelsior . At certain moments in the game, pieces are moved to an additional 5 by 4 area. Author: Dan Troyka. Inventor: Este.
- ExCoCo Chess . Zip file containing zrf and images. By Graeme C Neatham.
- Extended Half-Chess . Variant on 4 by 10 board. Author: Uwe Wiedemann.
- Extra Move Chess ZRF . Double-move variant based on limitations of Zillions of Games. By Fergus Duniho.
- Fair-Chess . A chess variant to play with handicaps for different ratings. By Janevert Kaan.
- Fairy Pieces part 1 . zillions file with many shogi pieces. By Christine Bagley-Jones.
- Falcon Hexagonal Chess . Introducing the Hex Falcon. Author: Graeme C Neatham. Inventor: Abdul-Rahman Sibahi.
- FallingSnow . Missing description By Christine Bagley-Jones.
- Family Matters Chess . Chess variant of warring families on 41 and 64 square boards. By Tomas Forsman.
- Fanorona Chess . Variant played on a Fanorona board with capture by approach and by withdrawal. By Peter Aronson.
- Fantasy Grand Chess . Variant of Grand Chess with different armies and fantasy theme. By Peter S. Hatch.
- Feebback Chess . Variant where pieces are "feeble backwards" -- backwards moves can not capture. By Peter Aronson.
- Feeble Chess . Very weak pieces, but still 'chess-like'. Author: David Howe. Inventor: Ralph Betza.
- Feeble Los Alamos Chess . Los Alamos Chess using Feeble pieces. By David Howe.
- The Fellowship of the Ring . White may win by carrying a 'ring' to the other side of the board. By Robert Price.
- Fianchetto Chess . Rooks and bishops switched in opening setup. Author: Marek14 . Inventor: Jack Middleman.
- Fidchell. Gary Gygax's Fidchell. Author: Larry L. Smith. Inventor: Gary Gygax.
- The Fighting Fizzies . An Experimental Army for Chess with Different Armies. By Peter Aronson.
- The Final Fight Chess . Missing description By Namik Zade.
- First Contact. Variant of Star Trek 3D Chess. By Larry L. Smith.
- Fischer Random Chess . Play from a random setup. Author: Pierre Tourigny. Inventor: Robert J. Fischer.
- Fish Chess . Pawns can move backwards without capturing. Author: Marek14 .
- Five Tigers . A Chinese Chess variant with unequal armies. Author: Robert Price.
- Flip Chess . Pieces have two sides with different movements on board of 38 squares. Author: Hans L. Bodlaender. Inventor: John William Brown.
- FlipChess. Chess variant in which pieces keep changing state. By M. El M. Messaoudi.
- Flipworld . Pieces are on both sides of a disc. Author: Dan Troyka.
- Flux 4x4x4 Chess . 3D variant where pieces, excepting the King, can only exist on the field for a specific number of turns at a time. By Larry L. Smith.
- Flying Armies . Missing description By Christine Bagley-Jones.
- Flying Armies2 . added 'MirChess32' zrf. By Christine Bagley-Jones.
- Flying Chess . Some pieces can fly. Author: Marek14 . Inventor: David Eltis.
- FlyingDaggers . Large variant with long leaping pieces. By Christine Bagley-Jones.
- Fool's Chess. One pawn is replaced by a Fool. By Danny Van den Berghe.
- FoolsHexagonalChess zrf zip file . Missing description By Graeme C Neatham.
- Football Chess . A Football/Soccer game played with Chess pieces. Author: Uwe Wiedemann. Inventor: Joseph Boyer.
- Forchess . Four player chess variant on 8 by 8 board. Author: Robert Price. Inventor: Tom Rogers.
- Forward Chess . Download these files to play Forward Chess with Zillions of Games! By Michael Nelson.
- Fractal Chess . Missing description By Stephane Burkhart.
- Franklin Grand Chess . On 10 by 10 board with combination pieces and random setup. By Ken Franklin.
- Free Choice Monadchess . Missing description By Namik Zade.
- Free Corners chess . In the corners of seven by seven board, three squares form together one field. Author: Peter Aronson. Inventor: Sergey Sirotkin.
- Free Placement chess . Game starts with players alternatingly placing pieces on board. Author: Marek14 . Inventor: Roger Cooper.
- Free-form 4x4x4 Chess . 3D variant based upon several ideas by V. R. Parton for Chess-play on smaller fields. By Larry L. Smith.
- FreePawnChess. Chess with more powerful pawns. By Ronald W Brierley.
- French Revolution Chess . Advanced pawns threaten the noble pieces. Author: Marek14 . Inventor: Hans L. Bodlaender.
- Fugue . Based on Ultima and Rococo this game has pieces that capture in unusual ways. By Michael Nelson.
- Full Double Chess . 32 pieces each, including all combinations of the basic Chess pieces, on a 16x8 square board. Author: Peter Aronson. Inventor: Sergey Sirotkin.
- FullBoard Chess . Missing description By Ken Franklin.
- Fun-In-A-Box Chess . Featuring Thing One and Thing Two from The Cat in the Hat. Author: Peter Aronson. Inventor: David Howe.
- The Funny Games . Missing description By Namik Zade.
- Fusion Chess . Variant in which pieces may merge together or split apart. By Fergus Duniho.
- Fusion Chessgi . A hybrid of Fusion Chess and Chessgi. By Fergus Duniho.
- Fusion Diamond 41 . A Fusion Chess variant played on a diamond shaped board of 41 squares. By Fergus Duniho.
- Fussball Chess . Win by moving a piece to the starting square of the king of the opponent. Author: Uwe Wiedemann.
- G.U.E. 3D Chess. A 3D Chess game paying homage to those really great Zork adventures. By Larry L. Smith.
- Gadsden's Toroidal Chess . Edges of the board are considered to be adjacent. Author: Marek14 . Inventor: Richard Gadsden.
- Gala . Historical German variant from the Middle Ages. Author: Michael Asher.
- Geodesic Chess. Played on a spherical grid of hexagons and pentagons. Author: Larry L. Smith. Inventor: Jack V. Cheiky.
- Gigachess . On 14 by 14 board with 20 different pieces. By Jean-Louis Cazaux.
- Gladiators . Missing description By Namik Zade.
- Glinski's Hexagonal Chess . Chess on a board made out of hexagons. Author: Jens Markmann. Inventor: Wladyslaw Glinski.
- Gnu . Simple game featuring the Gnu as promotee. By Joost Aan de Brugh.
- Go-Moku with Chess Pieces . Missing description By Namik Zade.
- Goal Box Chess . Game on 42 squares with no King and the goal of placing pieces into 2 special squares. Author: Peter Aronson. Inventor: Kevin McPartland.
- Gods on Pluto . Plays with extremely weak pieces, no pawns, and drops. By Christine Bagley-Jones.
- Gods on Pluto. Variant with weak pieces and Shogi-style drops. By Christine Bagley-Jones.
- Golem Chess . Variant where the Queen is replaced by the Golem, a piece that must be captured twice to remove it from play. Author: Peter Aronson. Inventor: Peter Aronson and Ben Good.
- Gothic Evolution Chess . Missing description By Harvey Patterson.
- Gothic Isles Chess . Fictional historic variant, with Dragons, Wizards and Champions. By Peter Aronson.
- Grand Cavalier Chess . The decimal version of Cavalier Chess. By Fergus Duniho.
- Grand Chess . Version using Alfaerie graphics. Author: David Howe. Inventor: Christian Freeling.
- Grand Rider Chess. All pieces except the king are riders. By Larry Wheeler.
- Grand Shatranj . Missing description By Christine Bagley-Jones.
- Grand Shogi. Normal Shogi, but with extra pieces. By Christine Bagley-Jones.
- Grande Acedrex . A large variant from 13th century Europe. Author: Marek14 .
- Grande Acedrex . Version using Alfaerie graphics. Author: David Howe.
- Gravity Chess . Pieces that moved attract pieces like magnets. By João Pedro Neto.
- Great Shatranj . Shatranj style game on 10x8 board. By Christine Bagley-Jones.
- Great Whale Shogi. Large board based on Whale and Wa Shogi. Author: Douglas Silfen. Inventor: R. Wayne Schmittberger.
- Grid Chess . Always move to a different 4 by 4 square part of the board. Author: Robert Price. Inventor: Walter Stead.
- Gross Chess . Play this 144 square variant with Zillions of Games. By Fergus Duniho.
- Groundskeeper Chess . Missing description By Yu Ren Dong.
- Guschess . Pieces can freely move in one of 38 areas on the board. Author: Marek14 . Inventor: Gustavo A. Vargas.
- Hadean Chess . Play expanded chess with Ferz/Wazir Sorcerers, Ferz/Wazir Knights, Flying Warmachines. Flying Elephants and Ninja Pawns. By Charles Daniel.
- Half Chess . On a 4 by 8 board without pawns. Author: Marek14 . Inventor: John Groeneman.
- Halfgi . A hybrid of Chessgi and Ralph Betza's Half Chess. By Peter Aronson.
- Halfling Chess . Game where all pieces (except Knights) are Halflings. Author: Peter Aronson. Inventor: Ralph Betza.
- Halloween Knight Court . Halloween-themed variant on a tiny board. By Jason D. Wittman.
- Hammer Chess . Minor pieces have increased movement possibilities. Author: Marek14 . Inventor: Jim Aikin.
- Hanga Roa . Play Hanga Roa with Zillions of Games! Author: Young-Hyun Joo. Inventor: Juan Pablo Schweitzer Kirsinger and Hernán Marcelo Domínguez Placencia.
- Hans 38 Gift Chess . Eric Greenwood's chess on a board with 38 squares. Author: Marek14 . Inventor: Eric V. Greenwood.
- Hans 40 Gift Chess . Pieces are digits or letters and move like their form on 5 by 8 board. Author: Marek14 . Inventor: Köksal Karakus.
- Haynie's Hexagonal Chess . Experimental hexagonal chess variant. Author: Marek14 . Inventor: Billy Haynie.
- Haynie's High Power Fairy Chess . With orthodox chess set but different stronger movements for most pieces. Author: Marek14 . Inventor: Billy Haynie.
- Haynie's Oblong Chess . Variant on double size chess board. Author: Marek14 . Inventor: Billy Haynie.
- Heaven . Pieces trying to reach a goalfield can only move if in reach of a friendly piece. Author: David Howe. Inventor: Rob Nierse.
- Hepta . Hexagonal clan-based game played with Icehouse pieces. By Joost Aan de Brugh.
- Herb Garden Chess . Variant on 7 by 12 board with additional combination pieces. Author: Peter Aronson. Inventor: William Overington.
- Herculean Chess . Extended version of chess features the Flying Bishops, the Flying Chariots, Ninja Pawns, Augmented Knights and Zebras. By Charles Daniel.
- Heroes Hexagonal Chess . Hexagonal variant with special Hero piece which enhances other pieces. By Tony Quintanilla.
- Hex 39 . Hexagonal chess variant on small board with simple rules. Author: Marek14 . Inventor: Torben Mogensen.
- Hex Shogi . A new family of hexagonal Shogi variants. By Fergus Duniho.
- Hexa Decimal . Larger hexagonal chess variant (Zillions of Rules file). By Joost aan de Brugh.
- Hexagonal Arimaa. Hexagonal Arimaa - Based on McCooey's Hexagonal Chess. By Tim O'Lena.
- Hexagonal Chess by Shafran . Half-century old hexagonal chess variant from Soviet Union. Author: Ivan Derzhanski. Inventor: Isaak Grigorevich Shafran.
- Hexagonal Chess, Glinski's . Chess on a board made out of hexagons. Author: Jens Markmann. Inventor: Wladyslaw Glinski.
- Hexagonal Chess, McCooey's . Chess on a board, made out of hexes. Author: Jens Markmann. Inventor: Dave McCooey.
- Hexagonal Iss Jetan . Missing description By Larry L. Smith.
- Hexapawn . Martin Gardner's miniature game of three pawns vs the pawns. Author: Robert Price. Inventor: Martin Gardner.
- HexChess . Various hexagonal chess games, including Glinski's and McCooey's. Author: Jens Markmann.
- Hexes Chess . Hexes Chess requires fewer chess pieces and a smaller board than conventional chess, but increases the mobility of each piece. Author: Mike Layfield and Tony Quintanilla. Inventor: Mike Layfield.
- Hexetera . Download Hexetera for ZOG! Also includes the game in squares: Etcetera! By Roberto Lavieri.
- Hexmate . A two-player variant on a hex board made up of 127, 3-color hexagons. Author: Marek14 . Inventor: Michael A. Rouse.
- Highcastle Chess . All pieces can castle. Author: Robert Price. Inventor: Ed Pegg Jr..
- Hippodrome. Solitaire game using a small board. Author: Doug Chatham. Inventor: Andy Lewicki.
- Hitchhiker Chess . Get your Hitchhiker to the Restaurant at the other End of the Board; inspired by Douglas Adams' books. By Dan Troyka.
- HiveQueen. Missing description By Larry L. Smith.
- Holy Grail . With the extraordinary but deadly Serpent that mutates into the Flying Bomber, Raptor, Cannon, Vao, Stealth Gryphon and more! By Charles Daniel.
- Holy War . Variant with 6 by 6 board with four additional corner squares. By Fergus Duniho.
- Home Columns Chess. A piece cannot be captured when in its 'home' column. Author: Peter Aronson. Inventor: Ted Clancy.
- 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.
- Hoppel-Poppel . Variant in which Knights capture as Bishops and Bishops capture as Knights. Author: Uwe Wiedemann.
- Hordes of Change . A chess variant inspired by Andernach Chess. By Joost aan de Brugh.
- Horus . Game with Royal Falcons where all pieces start off board and most captures return pieces to owner's hand. By Peter Aronson.
- Hostage Chess . Pieces taken are held hostage and can be exchanged against other pieces and then dropped. Author: Fergus Duniho. Inventor: John Leslie.
- Hourglass Chess . 38-Square board in shape of Hourglass. Author: Uwe Wiedemann. Inventor: Uri Bruck.
- HP Minichess . Small chess variant that could be played against a pocket calculator. Author: Marek14 .
- Huntsman Chess . Missing description By Yu Ren Dong.
- Hydra Chess . Captured pieces return. Regrown pieces will be of lesser value. By Karl Scherer.
- Hydrant Chess . Special rules govern how pieces move between four quadrants of the board. Author: Marek14 .
- Hyperchess. A chess variant on a board representing 4-D space that closely parallels traditional Chess. Author: Larry L. Smith. Inventor: Joe Joyce.
- Hypnotic Chess . You may move opposing pieces your pieces attack. By Dan Troyka.
- IAGO Chess ZRF file. ZRF file for IAGO Chess rules. By Rich Hutnik.
- iChess . Missing description By Pangus Ho.
- Illusionary Piece Chess . A piece and a Pawn on each side are more powerful, but can not offer check or prevent bare King. By Peter Aronson.
- Imperial Cheops. Played on a pyramid field of thirteen 3x3x3 cubes. Inspired by a description in Frank Herbert's novel Dune. By Larry L. Smith.
- Imperial Dragon . A variant of Xiangqi designed to appeal to western players. Author: Peter Aronson. Inventor: Paul Fredrix.
- Infantry Chess . Small chess variant with short range pieces. Author: Uri Bruck. Inventor: Erez Schatz.
- Influence Chess . Pieces on the top or bottom layer influence which chess pieces may move on the middle layer. Author: Jens Markmann. Inventor: Samuel H. Bell.
- Insane . Pieces change to random type when they move. Author: Marek14 . Inventor: Jari Huikari.
- Insane Ninja Chess . Featuring 2 pairs of powerful multi-directional leaping pieces capable of double capture. By Charles Daniel.
- Insect Chess . On a 12x12 board. All pieces are insect and arachnid representations, with some unique pieces. By Tim Bostick.
- Interdependent Chess . A 42 square variant in which pieces borrow capturing ability from other pieces. By Fergus Duniho.
- InterGrid Chess . Pieces on corners and on centers of squares of 8 by 8 board. By David Howe.
- Interweave . Game with elements of Checkers and Ultima where all pieces are colorbound and only capture pieces on the other color. By Peter Aronson.
- Invasion . A military inspired Chess variant played on an 84-squares board. By Jean-Louis Cazaux.
- Inverse Capture Chess . Pieces are captured the way they move. Author: Antoine Fourrière. Inventor: Ralph Betza.
- The Invisible Man . Missing description By Namik Zade.
- Iron Guard Chess. Instead of a queen, white has an Iron Guard who can move only to adjacent diagonal squares and cannot be captured. Author: Douglas Silfen.
- Island Chess. Some connections between squares are missing. By Karl Scherer.
- Iss Jetan . Missing description By Larry L. Smith.
- Ito Shogi . Missing description Author: Malcolm Webb. Inventor: Jonathan H Rutherford.
- Jacks and Witches 84 . Variant on 84 squares with special pieces and special squares. By Antoine Fourrière.
- Jai-Alai . A sports theme variant with three new pieces: the Superball, the Ball and the Diagball. By Roberto Lavieri.
- Javelin Chess . Pieces backed up by an extra row of single-capture Spearmen. By Adrian Alvarez de la Campa.
- Jetan . Martian Chess, coming from the book The Chessmen of Mars. Author: Jens Markmann. Inventor: Edgar Rice Burroughs.
- Jetan, ERB . Implements different possible rules for Jetan. Author: Larry L. Smith. Inventor: Edgar Rice Burroughs.
- Joko Urtaroak . Modern large version of Game of Four Seasons; four player chess variant. By Glenn Overby II.
- Joshua's Chess . Missing description Author: Michael Nelson. Inventor: Joshua Nelson.
- Joust . Two knights. Squares cannot be revisited. Author: Gerry Quinn.
- Jumping Chess . Pieces capture by jumping. Board has extra edge squares making it 10x10. By Peter Aronson.
- K4 . Missing description By Christine Bagley-Jones.
- K4Flying . Missing description By Christine Bagley-Jones.
- Kamikaze Chess . Capturing pieces also are removed. Author: Uwe Wiedemann. Inventor: B. G. Laws.
- Kamikaze Chess. Capturing pieces also are removed. Author: Doug Chatham. Inventor: B. G. Laws.
- Karma Chess . A piece that has captured an opponent's piece is turned into one of better quality. By Karl Scherer.