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SELECT * FROM `Item` LEFT JOIN `IndexEntry` USING (ItemID) WHERE `IsHidden` = 0 AND `Item`.`IsDeleted` = 0 AND `YearInvented` >= '2013' AND `YearInvented` <= '2023' AND `Language` = 'English' ORDER BY `LinkText`, `Item`.`Summary` ASC LIMIT 500 OFFSET 0
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- "Ninth-Ray" Jetan. Missing description (5x20, Cells: 100) By donald henry.
- 12 Augmenters Chess. Each piece's movement capabilities is increased by ~4 squares. By Andrew L Smith.
- 16Chess. Game with 4 royal pieces. By Zhedric Meneses.
- 3-Player Chess I. Missing description (10x10, Cells: 75) By Bn Em.
- 3D Arimaa . 3D Arimaa - Arimaa meets Raumschach. By Tim O'Lena.
- 3d Magna Carta Chess. Adding Barons and Dukes to Magna Carta Chess to commemorate 8th centenary of Magna Carta. (2x(5x8), Cells: 80) By Charles Gilman.
- 4 Kings Quasi-Shatranj. Each side has 4 Kings, all pieces are short range. By Kevin Pacey.
- 4 Kings Quasi-Shatranj. Each side has 4 Kings, all pieces are short range. (10x10, Cells: 100) By Kevin Pacey.
- 4*Chess (four dimensional chess). Four dimensional chess using sixteen 4x4 boards & 96 pieces. (4x(4x(4x4)), Cells: 256) By Kevin Pacey.
- 4D Hexagonal Chess. 4D analogue of Glinski's Hexagonal Chess based on Hyperchess4. (5x(5x(5x5)), Cells: 361) By Kevin Pacey.
- 4D Hexagonal Chess. 4D analogue of Glinski's Hexagonal Chess based on Hyperchess4. By Kevin Pacey.
- 4D Quasi-Alice Chess. 8x8x2x2 four dimensional game with 32 pieces. (2x(2x(8x8)), Cells: 256) By Kevin Pacey.
- 5*4DChess (four dimensional chess). Four dimensional chess variant played with 140 pieces. (5x(5x(5x5)), Cells: 625) By Kevin Pacey.
- 52Chess. A piece may teleport to the square corresponding to a drawn card. By Kevin Pacey.
- 8-Piece Chess. (Queen's Army chess, all 8 Back Rank Pieces different). By JT K.
- 88 Hexagons Chess. Hexagonal chess on chessboard with 88 hexagons. By Davor Vujacic.
- A Chaturanga Problem by Bas de Haas. Mate in two moves, following Chaturanga rules. Author: Hans L. Bodlaender. Inventor: Bas de Haas.
- Accelerated Chess. Accelerating chess with a new board. (10x8, Cells: 80) By Max Koval.
- Accelerated Constable-Spiel. Chess on a 16x8 board with an assortment of pieces. (16x8, Cells: 128) By Kevin Pacey.
- Accelerated Constabulary Chess. Chess on an 8x10 board with several compound piece types added. (8x10, Cells: 80) By Kevin Pacey.
- Alibaba Chess. Missing description (9x9, Cells: 81) By Thomas .
- All-round King. Things you must do with the king changes during the game: normal king transfors into ani-king and others. (8x8, Cells: 64) By Daniil Frolov.
- Amalgamated Chess. Incorporates some aspects of historical variants, but uses only usual equipment. (8x8, Cells: 64) By James Gryphon.
- Amazonia. 11x11 board with Pawns that promote to Princesses in the middle of the board. By Albert Lee.
- Antimage Chess. Some pieces can rifle capture, but there's Antimage from Chess Evolved Online that immune to rifle capture. (8x8, Cells: 64) By HaruN Y.
- Apothecary Chess-Classic. Large board variant obtained through tinkering with known games. By Aurelian Florea.
- Apothecary Chess-Classic. Large Board variant obtained trough tinkering with known games. By Aurelian Florea.
- Apothecary Chess-Modern. Large board variant obtained through tinkering with known games. By Aurelian Florea.
- Apothecary Chess-Modern. Large Board variant obtained trough tinkering with known games. By Aurelian Florea.
- Aquachess. One level underwater, one on the surface, and one in the sky, with many strange pieces. (3x(8x8), Cells: 192) By Bob Greenwade.
- ArchMage Chess. 10x10 30v30 Fantasy Chess. (10x10, Cells: 100) By Cyrus Arturas.
- Arena Cheturshogqi. 2-4 Players on large board with mutating pieces and piece drops. (13x13, Cells: 169) By Paul E. Newton.
- Armor Chess. Personal shields protect pieces from one of the 8 directions. Author: Ben M Reiniger and Vladimir . Inventor: Vladimir .
- Ascension. 6x6 board with two Kings that promote to royal Queens. By Albert Lee.
- Assault&Siege. Missing description (8x8, Cells: 64) By Ismael Santos.
- Assymetrical diagonal chess. Diaonal chess (well balanced) variant with 8 pawns per player. By Zbigniew Kokosiński.
- Atlantean Barroom Shatranj . Missing description By Christine Bagley-Jones.
- Atlantic Graphics. Chess font that supports fairy pieces. By Max Koval.
- Avatar Chess. Game with avatars that can assume any piece of chess, depending on the fields of the board. (8x8, Cells: 64) By Gerd P. Degens.
- Backlash. Play on two boards, but capturing on one board leads to a backlash on the other! (2x(8x8), Cells: 132) By Greg Strong.
- Backlash. Play on two boards, but capturing on one board leads to a backlash on the other! By Greg Strong.
- Ballista Chess. game in which Ballistae give Pieces the ability to move across the Board. (9x8, Cells: 72) By NeodymiumPhyte.
- Bandit Chess. Missing description (9x7, Cells: 63) By Patrik Hedman.
- Banner Xiangqi. Xiangqi with Banners (from the Game of Three Kingdoms) and simplified endgame rules. By A. M. DeWitt.
- Banner Xiangqi. Xiangqi with Banners (from the Game of Three Kingdoms) and simplified endgame rules. By A. M. DeWitt.
- Banzai Chess. Friendly pieces can be pushed and pushed pieces can bounce. (8x8, Cells: 64) By Vincenzo Rapisardi.
- Battle of Kings. You start with eight pawns. The rest chess pieces appear on the board during the game. By Вадря Покштя.
- Battlefront Chess. Game with standard pieces, 12 pawns, 2 Generals, the Archbishop, and the Chancellor. (12x8, Cells: 96) By Davor Vujacic.
- Beast Chess. Replace conventional pieces with those that look like animals. (8x8, Cells: 64) By Bob Greenwade.
- Beautiful Beasts. A new team for Chess with Different Armies based on the Roc. By Jörg Knappen.
- Bede Chess. Missing description (9x11, Cells: 99) By Patrik Hedman.
- Beginners Chess. Missing description (8x8, Cells: 64) By Stephane Burkhart.
- Bigorra. A 16x16 board chess with all pieces from my variants. (16x16, Cells: 256) By Jean-Louis Cazaux.
- Black Swan. Pieces are replaced by Black Swans with unpredictable outcomes. (8x8, Cells: 64) By Florin Lupusoru.
- Blender Chess. Bishops, Knights and Rooks can merge and separate. (8x8, Cells: 64) By Bob Greenwade.
- Board 8x8 Game Mix. Game with fairy Chess, Draughts & Lines of Action elements. (8x8, Cells: 64) By Lev Grigoriev.
- Bob Greenwade's SVG Library. A collection of SVG piece images. By Bob Greenwade.
- Bollwerk 178. Occupying the opponent’s end field with a piece or a bomb. By Stefan Bogdanski.
- Borderline. Without pawns, with only one king, capturing opponent's pieces is omitted. (7x7, Cells: 49) By Gerd P. Degens.
- Brawl Chess. Chess on a 12x12 board loaded with powerful pieces. (12x12, Cells: 144) By Kevin Pacey.
- Bull's eye. Upgrading of the possibilities to move within the Bull's eye to make the game more dynamic. (8x8, Cells: 64) By Gerd P. Degens.
- Burden of royality. Missing description By Freederick .
- Burden of the royality. Inspired by Evolution Chess. (8x8, Cells: 64) By Daniil Frolov.
- Bureau-Spiel. Chess on a 24x8 board with an assortment of pieces, many powerful. (24x8, Cells: 192) By Kevin Pacey.
- Butterfly Chess. Large board chess with butterflies (not Ns), advancers (not Qs) & flying dragons added. (10x10, Cells: 100) By Kevin Pacey.
- Butterfly Chess. Game with Butterflies (not Ns), Advancers (not Qs) & Flying Dragons added. By Kevin Pacey.
- Camel Decimal Chess. Game Courier preset for Camel Decimal Chess, a 10x10 chess with Camels. (10x10, Cells: 100) By Jean-Louis Cazaux.
- Camel Decimal Chess. Decimal Chess with Camel. (10x10, Cells: 100) By Jean-Louis Cazaux.
- Cannon Shosu Shogi. Variant of Shosu Shogi with Dogs and Cannons. By A. M. DeWitt.
- Cannon Shosu Shogi. Variant of Shosu Shogi with Dogs and Cannons. By A. M. DeWitt.
- Capatomic Random Chess. Variant that combines Capablanca Random and Stratomic Chess. By Gaelyn Autumnsong.
- Capped Pawns (Bemützte Bauern). Pawns have a double step once in their career. By Jörg Knappen.
- Captain's Chess. Missing description (9x8, Cells: 72) By Patrik Hedman.
- Carbery. game for fantasy thing. By Aidan Murphy.
- Carrera Drop Chess. Game with extra cannons. By Namik Zade.
- Carrousel Chess. Game with 32 pieces. (16x4, Cells: 64) By Kevin Pacey.
- Cashew Shogi. Many pieces must promote on capture, and some can multi-capture. (13x13, Cells: 169) By H. G. Muller.
- Castling Rules in Chess Variants. An investigation of castling rules in chess and chess variants. Author: Greg Strong.
- Cat's Chess. Missing description (10x10, Cells: 100) By (zzo38) A. Black.
- Cavalry Queen Chess. Queen rides a horse and therefore it passively moves as Knight (but captures as usual). (8x8, Cells: 64) By Lev Grigoriev.
- CC chess. Missing description (10x10, Cells: 100) By Namik Zade.
- CC chess . Missing description By Namik Zade.
- Cellular Chess. One step towards Joe Joyce's ideal of playing chess on an 100x100 board. (30x30, Cells: 900) By Carlos Cetina.
- Cellular Chess. Play Cellular Chess at Game Courier. By Carlos Cetina.
- Centaur Princess Chess. Chess on a 10x8 board with Centaurs and Princesses (archbishops) added. (10x8, Cells: 80) By Kevin Pacey.
- Central Point Chess. Small 7x7 game with different pieces. By QIDb602.
- Chak. A modern vision of what a Mayan chess would look like. By Daniel Lee.
- Champagne Chess. Chess on a 12x8 board with ferfils and dragons added. By Kevin Pacey.
- Champagne Chess. Chess on a 12x8 board with ferfils and dragons added. (12x8, Cells: 96) By Kevin Pacey.
- Chaotic Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Charismatic Chess. x5 speed up your chess game! (8x8, Cells: 64) By Вадря Покштя.
- Chec Toe. Chec Toe is a 4x4 Chess variant played with a six sided die, incorporating uniquely designed features, such as Checkering, Cross. By Simon Edward Jepps.
- CHECK 11. 11 different original factions, chosen secretly, each with extra powers when few pieces remain. By Paul Thierry TESSA.
- Checkers with Bosses. Checkers variant with different types of pieces. Game's main feature are Bosses. (8x8, Cells: 64) By Daniil Frolov.
- Checkmating Applet. Practice your checkmating skill with fairy pieces. By H. G. Muller.
- Checkmating Applet (3 vs 1). Practice your checkmating skill with fairy pieces. By H. G. Muller.
- Chess 1010. Game played with 40 pieces. (10x10, Cells: 100) By Kevin Pacey.
- Chess 66. Board based on the 8x8 arrangement - with the difference that 66 fields are now available. (8x8, Cells: 66) By Gerd P. Degens.
- Chess 911. 9x9 board plus corner squares, compounds, and special diagonals. (9x9, Cells: 85) By Persian Chess.
- Chess 99. Game with 9 pawns and a paladin. The objective is to capture the opponent's king. Many rules altered. By Claude Lapointe.
- Chess and a Half. Game with extra leapers. By sirius628.
- Chess New. Missing description (10x10, Cells: 64) By Hector Quintana.
- Chess of Amazons. Chess played on a 10x10 board with all FIDE pieces, but extra pawns, and the Amazon piece from the Game of Amazons. By paculino.
- Chess on a Tesseract. Chess played over the 24 two-dimensional sides of a tesseract. (24x(5x5), Cells: 504) By Bob Greenwade.
- Chess on an Infinite Plane. Chess game with no boundaries (infinite board), and Guard, Chancellor, and Hawk. () By V. Reinhart.
- Chess on the Rope. 1d chess experimental variant with standard rules and variations. (1x21, Cells: 21) By Lev Grigoriev.
- Chess Poker. Like poker, but players are dealt a hand of pieces instead of cards. By Gvndly.
- Chess problem - joke. chess problem-joke. By Namik Zade.
- Chess Remix. Create your chess variant. () By Alexandr Oleshko.
- Chess Variants, 50 variants on the game of chess. Information on a book. Author: Adrey Caljé.
- Chess vs Strong Makruk. Chess against an enhanced Makruk army in an 8x8 board. By Albert Lee.
- Chess with magical connections. Missing description (8x8, Cells: 64) By Aleksandr Kostin.
- ChessArena.io. Real-time, many-player, "io-style" game. Author: Ben M Reiniger. Inventor: ChessArena.
- ChessBreakTimes Chess. Chess with elements of chess-based RPG I slowly elaborate at this time. (8x8, Cells: 64) By Lev Grigoriev.
- Chessembly. Open Board Setup, Free Placement Chess. (8x8, Cells: 64) By JT K.
- ChessXp. 10x10 Chess, strictly derived from the 8x8 architecture. By Uli Schwekendiek.
- chexx. Another variant of hexagonal chess. (Cells: 63) By Dmitriy Golub.
- Chinese Checkers Chess . Some pieces may make multiple jumps as in Chinese Checkers. By Ken Franklin.
- Christmas Tree Chess. Missing description (6x(11x11), Cells: 126) By Daniil Frolov.
- Chu Seireigi. Variant of Chu Shogi playable with drops. (12x12, Cells: 144) By A. M. DeWitt.
- Chu Seireigi. Variant of Chu Shogi playable with drops. (12x12, Cells: 144) By A. M. DeWitt.
- Circular Capa Chess. Play circular chess with added archbishops and chancellors on a 5x16 round board. (5x16, Cells: 80) By Kevin Pacey.
- Circular Capa Chess. Play circular chess with added archbishops and chancellors on a 5x16 round board. By Kevin Pacey.
- Citadelir chess. Grand chess + Tamerlane chess + Omega Chess. By Daphne Snowmoon.
- Claustrophobia Chess. game is lost if King has no space to move. By Thomas .
- Clear of knights chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Co-Regal Chess. Take the enemy King/Queen and checkmate the remaining monarch to win. By Tank .
- Cold War Chess. A long and very challanging game against all odds. By Kutasi Márton.
- College Mess. Smess variant played using a Smess board & set. (7x8, Cells: 56) By Kevin Pacey.
- Colorbound Chess. Pieces never change their squares’ color, so army is divided into two halves – attacking and defending. (8x8, Cells: 64) By Lev Grigoriev.
- Colorful Osmosis Chess. All basic pieces are colorbound or colorwithching. (10x10, Cells: 100) By Michael Nelson.
- Colorful Osmosis Chess . All basic pieces are colorbound or colorwithching and can create compounds. (10x10, Cells: 100) By Michael Nelson.
- Colour Chess and Lure. Chess Variant where the board is different every time you play, and you can control what pieces your opponent can move next. By Chad W Smith.
- Command and Maneuver: A Tale of Two Countries. This is a diceless wargame,. (24x12, Cells: 288) By Joe Joyce.
- Companion chess. The Queen may have a companion. (8x8, Cells: 64) By Piotr Smagacz.
- Complete Chess . on big board with riding and leaping piece families. (12x12, Cells: 144) By Thomas .
- Complete Chess. with a riding and a leaping piece family. By Thomas .
- Compound Chess. Chess on a 10x8 board with Sergeant pawns & armies of compound pieces. (10x8, Cells: 80) By Kevin Pacey.
- Compound Chess. Chess on a 10x8 board with Sergeant pawns & armies of compound pieces. (10x8, Cells: 80) By Kevin Pacey.
- Compound Courier Custom Chess. Game uses the Courier 12x8 board and adds knight compound pieces. (12x8, Cells: 96) By Graeme C Neatham.
- Conquer II. The goal of the game is to conquer the opponent's army and to add it to your own army. (8x8, Cells: 64) By Gerd P. Degens.
- Conquer the opponent's army. Captured pieces change sides immediately, occupying the square the capturer moved from. (8x8, Cells: 64) By Gerd P. Degens.
- Conservative Capablanca Chess. Alternative, more traditional Capablanca chess setup. Author: Davor Vujacic. Inventor: Davor Vujacic and David Paulowich.
- Constable-Spiel. Chess on a 16x8 board with an assortment of pieces. (16x8, Cells: 128) By Kevin Pacey.
- Constabulary Chess. Chess on an 8x10 board with compound piece types added. (8x10, Cells: 80) By Kevin Pacey.
- The Consuls. Chess with two Kings and Pawns that can capture as Bishop, Knight, and Rook on the enemy side. By Albert Lee.
- Contact Chess. Connecting pieces enhances movement, attack and defense. Powerful pawns and kings. By John Gallez.
- Continental Chess. Continental Chess is Chess Variations with many types of pieces such as stepper, leaper, hopper and rider. (8x8, Cells: 64) By Siwakorn Songrag.
- Courier Chess VIII. A re-imagining of Courier Chess, on a smaller board. (8x8, Cells: 64) By David Paulowich.
- Critters: Chesimals III. Chesimals redesigned. By Joe Joyce.
- Custodian Chess. A combination of Chess and ancient Tafl games. (7x7, Cells: 49) By Daniil Frolov.
- The Custom Crushers. A 'build it yourself' Chess with Different Armies army inspired by the Corps from 12 Augmenters Chess. (8x8, Cells: 64) By Andrew L Smith.
- d4 d6 chess. Dice determine the number of steps you can move with your piece. (8x8, Cells: 64) By Maurice Dekker.
- Dai Seireigi. Variant of Dai Shogi playable with drops. (15x15, Cells: 225) By A. M. DeWitt.
- Dai Seireigi. Variant of Dai Shogi playable with drops. (15x15, Cells: 225) By A. M. DeWitt.
- Dealer's Chess. Armies are chosen by dealing special cards. (8x8, Cells: 64) By Bob Greenwade.
- Deception Chess. Each piece has two identities, Cloak and concealed Base. By Greg Shanker.
- Decimaka. Game where pieces promote on making a capture. By H. G. Muller.
- Decimaka (revised). Game where pieces promote on making a capture. (10x10) By H. G. Muller.
- Decisive Chess. Chess, but replacing draw rules with win/loss rules. By Iwer Sonsch.
- Delta-Nabla Chess. Chess translated to a triangular grid as naturally as possible. By Jeff Cornell.
- Denver Chess Club Chigorin Chess Tournament. I'm sponsoring my first local chess variants tournament. Author: Jeremy Gabriel Good.
- Desert Dust. Large variant with Arabian-themed pieces. (12x12, Cells: 144) By Bob Greenwade.
- Diagonal chess (well balanced). Diagonal chess with 7 fortified pawns. By Zbigniew Kokosiński.
- Diagonal pawn chess. Pawns always move diagonally, whether capturing or not. By Joel .
- Diagram Designer. Lets you display diagrams without uploading any graphics. By Fergus Duniho.
- Dice-Money Chess. Earn money if you do what is written on the dice. (8x8, Cells: 64) By (zzo38) A. Black.
- Divergent Dreamers. Army for Chess with Different Armies where pieces can only move when it has a neighbour. (8x8, Cells: 64) By HaruN Y.
- Double Move Double Chess. Play this double move variant that uses two Chess sets with Game Courier. (8x16, Cells: 128) Author: Fergus Duniho. Inventor: Вадря Покштя.
- Double Move Double Chess. The game is played on a 8x16 chessboard with each player in control of two complete armies. By Вадря Покштя.
- Douglas Modern chess. A chess variant with a more interesting start position, leading to more action. By Ian Douglas.
- Dovecote Chess. One small non-rules tweak generally changes the character and pace of gameplay. (8x8, Cells: 64) By Lev Grigoriev.
- Dragon Chess. Regular chess army against a single, 3x3, unwieldy but powerful piece. By kittytac.
- Duck Chess. A Duck that must be moved by both players can block your moves. (8x8, Cells: 64) Author: H. G. Muller. Inventor: Tim Paulden.
- E-Chess. The chess pieces appear on the board during the game. By Вадря Покштя.
- echess. (Micro) Evolutionary CHESS game. By bp .
- Elephant_Shogi. A Traditional Shogi game with Elephants added. (11x9, Cells: 64) By wdtr2.
- Elven Chess. 10x10 variant with 4 new pieces, of which one can double-capture. (10x10, Cells: 100) By H. G. Muller.
- Elven Chess. Chu Shogi Lion, Dragon Horse, Dragon King, Guard on Grand Chess type setup. Author: Jeremy Gabriel Good. Inventor: H. G. Muller.
- Elven Chess. Play this 10x10 variant with a double-capturing piece on Jocly. Author: H. G. Muller and Michel Gutierrez. Inventor: H. G. Muller.
- Empire Chess. Asymmetric variant where one army has pieces that move like queens but capture differently. By Daniel Lee.
- Enep. An experimental variant with enhanced knights and an extra pawn. (8x8, Cells: 64) By Aurelian Florea.
- Enhanced Courier Chess. Courier Chess with the weaker pieces enhanced. By Daniel Zacharias.
- Enhanced Courier Chess. Courier Chess with the weaker pieces enhanced. By Daniel Zacharias.
- Enhanced Pawn Chess (EPC). Pawn upgrading by extended capturing possibilities. (8x8, Cells: 64) By Gerd P. Degens.
- Entangled chess. Game inspired by the physical phenomenon of quantum entanglement. (8x8, Cells: 64) By Theodoros Papadopoulos.
- Epic Chess. Massive attack chess on a board 10x10. By Вадря Покштя.
- Equalized Shatranj. Basic weak moves of ancient pieces are compensated by their numbers. (8x8, Cells: 64) By Lev Grigoriev.
- Exile Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Expanded Chess. An attempt at a logical expansion of Chess to a 10x10 board. By Daniel Zacharias.
- Expansion chess. Get points per each your piece on other half of board to win. (8x8, Cells: 64) By Lev Grigoriev.
- Faceoff Chess. Chess with big moving restrictions for kings. (8x8, Cells: 64) By Lev Grigoriev.
- Fairy Eater Chess. Game on a 9x9 board with fairy chess pieces. By Вадря Покштя.
- Fairyranga. Game based on Chaturanga & Makruk with Southeastern, Mongolian and even Russian elements. (8x8, Cells: 64) By Lev Grigoriev.
- Famicom PPU Chess. Game inspired by limitation of Famicom PPU. (10x10, Cells: 80) By (zzo38) A. Black.
- Fantastic XIII. This is the G.C. preset for Fantastic XIII, a bizarre CV,13 types of pieces on 13x13 board. By Jean-Louis Cazaux.
- Fantastic XIII. A bizarre large odd chess variant with the weirdest men from Cazaux's family. By Jean-Louis Cazaux.
- File Sharing Chess. File Sharing, pawn swapping, always passed pawns. (8x8, Cells: 64) By JT K.
- Fischer-Benko Chess. Three pieces are placed randomly, the other five by the players. By Davor Vujacic.
- Flank Chess. Flank Chess with Achilles. (10x9, Cells: 90) By wdtr2.
- Flipping Xiangqi. Hybrid of Xiangqi & Kyoto Shogi – flip the pieces after each turn. (7x7, Cells: 49) By Lev Grigoriev.
- Fluidity chess. No displacement capture, all non-royal pieces take by cutting through or bypassing. (8x8, Cells: 64) By Lev Grigoriev.
- Fluky Chess. Fast-paced mini-chess variant with dice. (5x5, Cells: 25) By Ilya Yudovski.
- Foolish King Chess. Players have different armies and victory conditions. White has a fool for a king. (10x8, Cells: 80) By Patrik Hedman.
- Freakshow Chess. Missing description (9x8, Cells: 72) By Patrik Hedman.
- A Friendly Game of Chess. Each side has Friends, and several odd pieces. Insanity ensues. (12x12, Cells: 144) By Bob Greenwade.
- Frog Chess. Play chess with added frogs (ferz-threeleaper compound) on 10x8 board. By Kevin Pacey.
- Frog Chess. Play chess with added frogs (ferz-threeleaper compound) on 10x8 board. By Kevin Pacey.
- Frog Chess with Gryphon and Falcon. Expansion for frog chess. (10x9, Cells: 90) By Aurelian Florea.
- Frog Chess with Manticore and Falcon. Expansion for frog chess. (10x9, Cells: 90) By Aurelian Florea.
- Froghouse. Like Bughouse except each team has a Black, White, and Green. Green goes "in between", namely after white but before black. (8x8, Cells: 64) By Jordan Lampe.
- Fuel Chess. The total distance a piece can travel is limited. (8x8, Cells: 64) By Thomas .
- Full house hexagonal chess. Game with 50 pieces. (11x11, Cells: 91) By Kevin Pacey.
- Futashikana Shogi. Expanded version of Shosu Shogi played on an 11x11 board. By A. M. DeWitt.
- Futashikana Shogi. Expanded version of Shosu Shogi played on an 11x11 board. By A. M. DeWitt.
- Gala Xiang-Qi. Crossover game. (16x16, Cells: 256) By Daniil Frolov.
- GAME code generation. A tutorial on using the Play-Test Applet for automating Game Courier presets. By H. G. Muller.
- Gamma2 Chess. Chess on a 10x8 board with Berolina Pawns & special Ship & Archer pieces. (10x8, Cells: 80) By Kevin Pacey.
- Gamma2 Chess. Chess on a 10x8 board with Berolina Pawns & special Ship & Archer pieces. (10x8, Cells: 80) By Kevin Pacey.
- Generals' Chess. Missing description (9x9, Cells: 81) By Patrik Hedman.
- Ghost King Chess. The king can roam the board as an almost unkillable ghost. (8x8, Cells: 64) By H. G. Muller.
- Gi-Qi-Game. Another one crossover of European, Chinese and Japanese chess. (9x9, Cells: 81) By Daniil Frolov.
- Gigachess II. Evolution of Gigachess. 24 different types of pieces on a 14 x 14 board. By Jean-Louis Cazaux.
- Gigachess II. Evolution of Gigachess (2001). By Jean-Louis Cazaux.
- Gleeman Chess. Missing description (9x9, Cells: 81) By Patrik Hedman.
- GoshawkChess. Variant of Capablanca Chess with two Goshawks per side replacing the Archbishop and Chancellor. By James Zuercher.
- Grand Alamos Chess. FIDE, but with an initial setup reminiscent of Grand Chess. By Jeff Cornell.
- Grand Apothecary Chess-Alert. Very large Board variant obtained trough tinkering with known games. By Aurelian Florea.
- Grand Apothecary Chess-Classic. Very large Board variant obtained trough tinkering with known games. By Aurelian Florea.
- Grand Apothecary Chess-Modern. Very large Board variant obtained trough tinkering with known games. By Aurelian Florea.
- Grand Betza. Play Grand Betza on Game Courier. Author: Greg Strong. Inventor: John Davis.
- Grand Betza. A tribute to Ralph Betza on a 10x10 board with pawns on the third rank as in Grand Chess. Author: Greg Strong. Inventor: John Davis.
- Grand Dice Chess. Grand Dice Chess Battle on a 12x12 board with four dice. By Вадря Покштя.
- Grand Shatranj . Missing description By Christine Bagley-Jones.
- Grand Shatranj N W. Shatranj with 10 individual pieces + pawns per army. (10x10, Cells: 100) By Mark Simpson.
- Grand Tamerlane. John Davis invented this variation of Mideast Chess. (10x10, Cells: 100) Author: Tony Quintanilla. Inventor: John Davis.
- Grand Tamerlane Chess. Variation of Mideast Chess by John Davis. Author: Tony Quintanilla. Inventor: John Davis.
- Grand Triple Chess. Chess on an 16 x 24 board (i.e. six boards) with 3 sets of pieces. (24x16, Cells: 384) By Вадря Покштя.
- Granlem Shatranj. This is a mash-up of Grand Shatranj & Lemurian Shatranj with a 3 moves/player turn option. By Joe Joyce.
- Great Shatranj . Shatranj style game on 10x8 board. By Christine Bagley-Jones.
- Gyokugi. Extends chevron ranks to analogues of Shogi generals, named after individual jewels. (11x11, Cells: 91) By Charles Gilman.
- Hajiku Shogi. Inspired by Shogi and Chu Shogi. Pieces can both promote and demote in promotion zone. By Edward Webb.
- Half-Random Chess. Three pieces are placed randomly, the other five by the players. By Davor Vujacic.
- Hannibal Chess. Chess with added Modern Elephants (ferz-alfil compound) on 10x8 board. By Kevin Pacey.
- Hannibal Chess. Chess with added Modern Elephants (ferz-alfil compound) on 10x8 board. By Kevin Pacey.
- Hannibal Chess with Gryphon and Falcon. Expansion for hannibal chess. (10x9, Cells: 90) By Aurelian Florea.
- Hannibal Chess with Manticore and Falcon. Expansion for hannibal chess. (10x9, Cells: 90) By Aurelian Florea.
- Heavenly Queen Chess. Queen’s motion is changed slightly but enough to make it unique. (8x8, Cells: 64) By Lev Grigoriev.
- Heavy Chess. A high-density chess-variant-variant. By Jean-Louis Cazaux.
- Heavy Chess. Play Heavy Chess on Game Courier. Author: Greg Strong. Inventor: Jean-Louis Cazaux.
- Heavy Shako. 10x10 variant inspired by Yangsi, made by Eric Silverman. (10x10, Cells: 100) By A. M. DeWitt.
- Heavy Shako. 10x10 variant inspired by Yangsi, made by Eric Silverman and Jean-Louis Cazaux. Author: A. M. DeWitt. Inventor: Eric Silverman and Jean-Louis Cazaux.
- Hectochess. 10x10 variant that can be played with 2 mismatched Chess sets. By A. M. DeWitt.
- Hectochess. 10x10 variant that can be played with 2 mismatched Chess sets. By A. M. DeWitt.
- Heroes Hex Chess version 2. Hexagonal Chess with new movement rules on a "standard" 91 hex board. By Tony Quintanilla.
- Heroes Hexagonal Chess version 2. Updated version of Heroes Hexagonal Chess in 91 hexes. (Cells: 91) By Tony Quintanilla.
- Hexagonal Arimaa. Hexagonal Arimaa - Based on McCooey's Hexagonal Chess. By Tim O'Lena.
- Hexagonal Raumschach. 3D analogue of Glinski's Hexagonal Chess based on Raumschach. By Kevin Pacey.
- Hexagonal Raumschach. Three dimensional analogue of Glinski's Hexagonal Chess, based on Raumschach. (5x(7x7), Cells: 185) By Kevin Pacey.
- Hexcetran Chess. Hexagonal variant starting from random setups. (Cells: 91) By Carlos Cetina.
- Hexcetran Chess. Play Hexcetran Chess at Game Courier. By Carlos Cetina.
- Hexiang Qi. Hexagonal Variant of Xiang Qi. (11x11, Cells: 91) By Robert Hancock.
- High Chess. Drawn games are instead won by the player whose King is closest to the centre. By Grant Sinclair.
- Historia Ŝako. Historia Ŝako is a Chess variant incorporated between western and eastern variants, by track movement of Elephant and Queen. (8x8, Cells: 64) By Siwakorn Songrag.
- Hook Shogi. 16x16 variant with the hook movers from the largest Shogi variants. (16x16, Cells: 256) By A. M. DeWitt.
- Horizons. Game with 5 new pieces on 12x12 board. (12x12, Cells: 144) By Lev Grigoriev.
- Horseman's Chess. Game where pieces mount and dismount. By Frank MacCrory.
- 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.
- https://www.omnichess.club/variant/bc6b6876-dbdc-419c-bba4-3e462. Missing description
- Hundred Acre Chess. Chess based on Winnie-the-Pooh. (10x10, Cells: 100) By Bob Greenwade.
- Hybrid Chess. Chess on a 10x8 board with some unusual compound pieces. (10x8, Cells: 80) By Kevin Pacey.
- Hybrid Decimal Chess. Chess on a 10x10 board with unusual compound pieces included. (10x10, Cells: 100) By Kevin Pacey.
- I-Chess. Large board variant that adds two more piece types: the wolf and the eagle. Author: Aurelian Florea. Inventor: Paul Zamă.
- I-Chess. Play this 12x12 large board game with two new peices. Author: Greg Strong.
- iChess. Missing description (8x8, Cells: 64) By Pangus Ho.
- iChess . Missing description By Pangus Ho.
- Icon Clearinghouse 6. Part 6 focuses on my own original pieces and icons. By Bob Greenwade.
- If regular octogonal chess would be possible?. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Infima. Missing description By Johnny Luken.
- Insurrection. Capturing causes promotion, demotion, or a coup in the opponent's ranks. (8x8, Cells: 64) By Fogus.
- Interactive diagrams. Diagrams that interactively show piece moves. By H. G. Muller.
- Irrational Chess. Chess game on an exotic board. (9x10, Cells: 66) By Max Koval.
- It's not a job for King. Two relatively modest games, playing with power and royality. (8x8, Cells: 64) By Daniil Frolov.
- Joust Chess. Rotating pieces, long range movement, adjacent capture, both in one turn using different directions. By Jeff Cornell.
- King's speech. 360 random positions with the King always exposed and vulnerable. By Davor Vujacic.
- Kings castle. Crack the castle - Lancer to the front. (9x9, Cells: 81) By Gerd P. Degens.
- Kingsmen. 9x9 board with two extra Bishops. Pieces gain the King's moveset upon reaching the last three ranks. By Albert Lee.
- KingSwap!. A solitaire swap puzzle to escort your lazy King. (5x5, Cells: 25) By Vincent Bugica.
- Kinzoku. Small variant for little ones, is based on Dobutsu but is very different from it. (3x5, Cells: 15) By Lev Grigoriev.
- KMF's 12x12 Dozenal Chess. Adds rifle-capturing archers and royalty-inheriting princes. By dead dead.
- Knockoff Chess. Chess with pieces that push each other around and off the board. By Daniel Zacharias.
- Koval's Hexagonal Chess. A new way to play chess on hexagonal cells. By Max Koval.
- Koval's Hexagonal Chess. Game Courier Preset to play Koval's Hexagonal Chess. By Max Koval.
- Kuuzen Dai Shogi. Dai Shogi with different promotions, invented by Eric Silverman. (15x15, Cells: 225) Author: A. M. DeWitt. Inventor: Eric Silverman.
- Kyou Shogi. Modified Chu Shogi with pieces from and inspired by Tenjiku Shogi, featuring jumping pieces and Fire Demons. (12x12, Cells: 144) By Edward Webb.
- Latrumcolorum Chess. Piece caught between two opponent pieces is moved by him. (8x8, Cells: 64) By (zzo38) A. Black.
- Latrunculi XXI. A 21st century variant on an ancient Chess-like game of the Roman empire. (10x8, Cells: 80) By Jose Carrillo.
- Latte Chess. Alternative starting position, with each player having 4 rooks/bishops/knights, 1 king and queen, and 8 pawns. (8x8, Cells: 64) By Michael .
- LeaperChess. Variant of Capablanca Chess with two extra Knights per side replacing the Archbishop and Chancellor. By James Zuercher.
- Lecce's Chess. semi-chess with a big army. (4x8, Cells: 32) By Andrea Perrone.
- Left-Right Chess. A large variant with some pieces that move as a Rook only left or right. By J Paleja.
- Lemurian Shatranj . Missing description By Christine Bagley-Jones.
- LOCKING CHESS. Play chess in a new way with pieces superimposing and moving over each other, special moves, strategies, tactics and checkmates! (8x8, Cells: 64) By LUCIANO IMOTO.
- M!C Chess. All pieces but the king move and capture differently in a 10x10 board. By danielxdg.
- Maasai Chess. Large CV with 48 pieces per side, of 20 types including both regular and rapid Pawns. By Jean-Louis Cazaux.
- Maasai Chess. Play Maasai Chess with Game Courier. By Jean-Louis Cazaux.
- Macadamia Shogi. Pieces promote on capture to multi-capturing monsters. (13x13, Cells: 169) By H. G. Muller.
- Majority Chess. You can move a piece only if it is on a file where you have a majority of pieces. (8x8, Cells: 64) By Emiliano "Wentu" Venturini.
- Makromachy. Huge variant with 2x56 pieces, some jumping over many others. (14x14, Cells: 196) By H. G. Muller.
- Mansindam. A variant that combines 'drop' rule and strong pieces, and there is no draw. (9x9, Cells: 81) By Daphne Snowmoon.
- The Marvellous Megafauna. A diverse Chess with Different Armies faction with riders and leapers. (8x8, Cells: 64) By Andrew L Smith.
- Mathematichess. A chess variant specially designed for mathematicians. (8x8, Cells: 64) By Florin Lupusoru.
- Maxim chess. Variant, invented by my little brother. (8x8, Cells: 64) By Daniil Frolov.
- Mega House Hexagonal Chess (MHH Chess). An enlarged version of Full house hexagonal chess by Kevin Pacey. Game with 72 pieces. (13x13, Cells: 127) By W ishere.
- Megalomachy. A huge game with 2x80 pieces, some able to jump over many others. (16x16, Cells: 256) By H. G. Muller.
- Meirav. Pieces are buried before they are captured, buried pieces may capture other buried pieces. (2x(8x8), Cells: 128) By כהן דותן.
- Metamachy. Play this large game with a variety of regular fairy pieces. Author: Fergus Duniho. Inventor: Jean-Louis Cazaux.
- Mighty Lion Chess. Orthodox Western Chess but with one knight replaced by Chu Shogi Lion. Author: Jeremy Gabriel Good. Inventor: H. G. Muller.
- Mighty-Lion Chess. Normal Chess augmented with a hard-to-trade Lion super-piece that can make double-captures. (8x8, Cells: 64) By H. G. Muller.
- MightyChess. Capablanca Chess, but stronger pieces. By James Zuercher.
- Millinn3um (M3) Chess. varied opening positions for each player, two sets standard pieces per player, symmetrical piece drops, two kings each. By Michael Williams.
- Mimic Chess. Chess on a larger board with 3 new pieces with constantly changing movement capabilities. By Nick Wolff.
- Mimic Chess. Chess on a larger board with 3 new pieces with constantly changing movement capabilities. By Nick Wolff.
- Mimic Chess . Chess on a larger board with 3 new pieces with constantly changing movement capabilities. By Nick Wolff.
- Mitsugumi Shogi. Smaller variant of Suzumu Shogi on a 13x13 board. (13x13, Cells: 169) By A. M. DeWitt.
- Mitsugumi Shogi. Smaller variant of Suzumu Shogi on a 13x13 board. (13x13, Cells: 169) By A. M. DeWitt.
- Modern Chess960. chess960 with piece placement by players and orthodox castling. (8x8, Cells: 64) By Piotr Smagacz.
- Monster Mash. Armies consist of classic monsters and scary creatures. (13x13, Cells: 169) By Bob Greenwade.
- Mosaic Chess. Large variant combining pieces from various other games. By Daniel Zacharias.
- Move as square says. Game with identical piece, movement depends on location. (8x8, Cells: 64) By Daniil Frolov.
- Musketeer Chess. A game that adds extra pieces to Chess, playable online with Game Courier. Author: Fergus Duniho. Inventor: Zied Haddad.
- Musketeer Chess. Adding 2 newly designed extra pieces. (8x8, Cells: 64) By Zied Haddad.
- Muster Chess. Each player can muster different armies. (8x8, Cells: 64) By Grant Sinclair.
- Mutatis Mutandis. Astonishing variant featuring 22 different changelings at random setups. (8x8, Cells: 64) By Carlos Cetina.
- Mystery Chess. An imperfect information variant you can play online with Game Courier. Author: Fergus Duniho. Inventor: Ross Gillies.
- Neoclassical Chess. The opening moves are selected through a random ballot. By Gabriel F. Bobadilla.
- Neoteric Different Pawns Random Chess. Really different pawns are shuffled in asynchronous way on pawn rows. (8x8, Cells: 64) By Lev Grigoriev.
- Never-Ending Infinite Sandbox Chess Game. Online forum-based chess game with 12 players, infinite board, and many pieces. By dead dead.
- Nine elders. Sittuyin + Shogi. By Daphne Snowmoon.
- Noble Wing Chess. Missing description (8x8, Cells: 64) By Mark Simpson.
- Noble WingS Chess. Missing description (8x8, Cells: 64) By Mark Simpson.
- Noli Me Tangere Chess. Missing description (10x10, Cells: 100) By Patrik Hedman.
- Noname Chess. Missing description By orian.
- Nostromo. As Ripley, save astronauts from the Alien. (8x8, Cells: 64) By Ilya Yudovski.
- Not-so colorbound cylindrical chess. Game only with pieces, that would be colorbound on normal board. (7x8, Cells: 56) By Daniil Frolov.
- Numeral Chess. Numeral Chess requires sharp eyes and promotes deep strategical calculation similar to Go (WeiQi). (17x17, Cells: 289) By Eric Truong.
- Nutty Shogi. Pieces jump over many others, and a Fire Demon burns neighbors. (13x13, Cells: 169) By H. G. Muller.
- Nutty Shogi. Smaller version of Tenjiku Shogi on a 13x13 board. Author: A. M. DeWitt. Inventor: H. G. Muller.
- Obento Chess. 12x12 Chess variant with Shogi-style promotions and bent sliding pieces. (12x12, Cells: 144) Author: Jean-Louis Cazaux. Inventor: Eric Silverman and Jean-Louis Cazaux.
- ObstructionChess. A new chess variant designed to challenge old strategies and improve your chess play with logical and organic obstructions. (8x8, Cells: 64) By martin rinab.
- OctaChess Tournament. Chess with eight different armies with four classic and four modern chess variants. By Albert Lee.
- Octal XiangQi. Missing description (8x8, Cells: 64) By HaruN Y.
- Officer Chess. Chess on an 8x10 board with many powerful compound piece types added. (8x10, Cells: 80) By Kevin Pacey.
- Officer-Spiel. Chess on a 16x8 board loaded with powerful pieces. (16x8, Cells: 128) By Kevin Pacey.
- Ohm's Chess. A fun combination of Chess and Dota. (8x8, Cells: 64) By Rushil Baweja.
- Okapi Chess. Regular chess, except that Knights are replaced by Okapis. (8x8, Cells: 64) By Bob Greenwade.
- One King Shogi. Checkmate the neutral king. (9x9, Cells: 81) By Daniil Frolov.
- Onitama. Cards decide how pieces move, perfect information with no chance beyond setup. Author: Mikk . Inventor: Shimpei Sato.
- Onslaught. Several pieces can capture only on the enemy half, favoring attack. (12x12, Cells: 144) By H. G. Muller.
- Open King 4*4DChess. Four dimensional game with 48 pieces. (4x(4x(4x4)), Cells: 256) By Kevin Pacey.
- Open King 5*4DChess. Four dimensional game with 74 pieces. (5x(5x(5x5)), Cells: 625) By Kevin Pacey.
- Option Chess. Missing description (8x8, Cells: 64) Author: (zzo38) A. Black. Inventor: Paul Bonham.
- Orthodia. Break your orthogonal and diagonal patterns! (Two versions). (8x8, Cells: 64) By Lev Grigoriev.
- Paco Shako. Pieces coexist peacefully on target square after capture. Author: H. G. Muller. Inventor: Felix Albers.
- Palace. 7x7 board with a 3x3 Palace at the centre, where King promotes to Queen. By Albert Lee.
- Palace Shogi. A complicated hybrid of Shogi, Xiang Qi, and Chess. By Silvia Hollinshead.
- Pandemonium. Capablanca chess + Crazyhouse. By Daphne Snowmoon.
- Panoply. A large hexagonal game with unusual pieces. By Daniel Zacharias.
- PantherChess. Variant of Capablanca Chess with two Panthers per side replacing the Archbishop and Chancellor. By James Zuercher.
- Paradigm Chess30. Chess with Dragon Bishop and 30 positions. By Craig Willenberg and Lourenzo Van Niekerk.
- Paragi. Shogi without drop rule + Strong pieces. (9x9, Cells: 81) By Daphne Snowmoon.
- Parallel Chess War. Play 4 chess games at once, first game won wins the whole war. (4x(8x8), Cells: 256) By Kevin Pacey.
- Parallel Chess War. Play 4 chess games at once, first game won wins the whole war. (4x(8x8), Cells: 256) By Kevin Pacey.
- Parity Chess. Chess on a 12x8 board with Champions and FADs added. By Kevin Pacey.
- Parity Chess. Chess on a 12x8 board with Champions and FADs added. (12x8, Cells: 96) By Kevin Pacey.
- Pattern Chess. Use and overcome the pattern. (8x8, Cells: 64) By Gerd P. Degens.
- Pawn Blackhole Chess. Each side is split into two and grouped into corners. Pawns play towards the center. Author: Nemo Thorx. Inventor: Nemo Thorx and Adam Corbally.
- Pawnier Chess. Missing description (11x9, Cells: 99) By Patrik Hedman.
- Pawns-to-Kings Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Pemba. Game Courier Preset to play Pemba, 60 pieces on the decimal board. By Jean-Louis Cazaux.
- Pemba. Extension of Shako, with 60 pieces. By Jean-Louis Cazaux.
- PentaPlay. Chess on a board of regular Pentagons. By Graeme C Neatham.
- Penthouse. Game like Chess and Makruk but on the half of chessboard with drops and full chess set used. (4x8, Cells: 32) By Lev Grigoriev.
- Petteia XXI. A 21st century variant on an ancient Draughts-like game of the Roman empire. (8x8, Cells: 64) By Jose Carrillo.
- Phantom. Classical Chess featuring an invisible Phantom piece. By Simon Edward Jepps.
- Piece Graphics Library by Jean-Louis Cazaux. Collection of piece graphics, specially made for use in Zillions-of-Games, by J.-L.Cazaux. (8x8, Cells: 64) By Jean-Louis Cazaux.
- Pink Chess. White has two Kings, black two Queens as royal pieces. By H. G. Muller.
- Platonic Chess. Platonic solids in a complete 10x10 chessboard. By Albert Lee.
- Play-test applet for chess variants. Applet you can play your own variant against. By H. G. Muller.
- PlayStrategy. Free site with open source code which lets you play several famous abstract board games. (8x8, Cells: 64) By Lev Grigoriev.
- Pocket Shogi Copper. A Variant of Shogi with Copper General and Pocket. By wdtr2.
- Pocket Shogi Plus. Shogi Like game with a pocket to store and move pieces. By wdtr2.
- Poison Pawn Chess. Capture the wrong pawn and you lose. Author: calebmcc111. Inventor: Samay Raina.
- PokerChess. PokerChess is a 2 player board game employing the mechanics of chess and poker. By Susannah Thorarinsson.
- Promote King Chess. King can promote into Cthulhu, and white pawns can promote into black pawns. (8x8, Cells: 64) By (zzo38) A. Black.
- Quapent. Missing description By Joe Watson.
- Quarter Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Quarterboard. Small variant with no pawns and piece drops, inspired by Chess and Shogi. By Milan Zeiske.
- Queenmania. A game with 11 queens and enhanced pawns. (12x12, Cells: 144) By Gerd P. Degens.
- Queens. A game with 7 queens and no pawns. (8x8, Cells: 64) By Gerd P. Degens.
- Queens II. Game with 11 queens and no pawns. (12x10, Cells: 120) By Gerd P. Degens.
- Radioactive Queen Chess. White has a little diff in setup, but great diff in the game. (8x8, Cells: 64) By Lev Grigoriev.
- Re-Ghost Chess. The last captured piece turns into leaping transparent ghost and isn’t able to capture but still can check. (8x8, Cells: 64) By Lev Grigoriev.
- 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.
- Reservists' doublechess. Each side has 16 non-pawn pieces, split among 10 types. By Andrew L Smith.
- Retro Chess. A chess game progresses backwards from an empty board. (8x8, Cells: 64) By Mike Smolowitz.
- Rhomboidal Chess. Chess variant on rhombic cells. (8x16, Cells: 84) By Max Koval.
- Riftwalker Chess. A 4 dimensional game on a 3x3x3x3 board. (3x(3x(3x3)), Cells: 81) By Nick Fletcher.
- 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.
- Rolling Chess. A game played with dice, where movement causes rolling and rolling changes piece identity. (8x8, Cells: 64) By Herb Gilliland.
- Rotary Chess. Featuring rotary counterparts of existing (and generally familiar) pieces. (12x12, Cells: 144) By Bob Greenwade.
- A Royal and His Pet. Missing description By Zhedric Meneses.
- Royal Bishop Chess. Simple variant with royal bishop. (8x8, Cells: 64) By QIDb602.
- Royal Lion Chess. Chess with a Royal Lion and many strong pieces. (10x10, Cells: 100) By Michael Nelson.
- Ryugi. 10x10 variant with Kirins, Marshalls, and Dragons, the latter which can move as a Bishop or as a Nightrider. By A. M. DeWitt.
- Ryugi. 10x10 variant with Kirins, Marshalls, and Dragons, the latter which can move as a Bishop or as a Nightrider. By A. M. DeWitt.
- Sac Chess. Game with 60 pieces. (10x10, Cells: 100) By Kevin Pacey.
- Sac Chess. Play classical chess along with classical compound pieces: amazons, chancellors, archbishops... Author: Carlos Cetina. Inventor: Kevin Pacey.
- Safe Passage. Move pieces to opposite side without putting pieces in danger of capture. By Karen Robinson.
- Sai squad. A very experimental army for Chess with different armies, featuring the Sai (Bishop-Quintessence compound). (8x8, Cells: 64) By Jörg Knappen.
- Saisho shogi. Game with one dice-shaped shared piece. By Francesco Fonseca.
- SASR chess symbols. Minimalistic graphics for chess and variants. By Ola Sassersson.
- Secret King. A chess variant with 10 Knights, and a Secret King. (10x10, Cells: 100) By Florin Lupusoru.
- Seikaku Ni Wanai Shogi. Shogi with no strong pieces, but very strong promotions. (9x9, Cells: 81) By Lev Grigoriev.
- Seireigi. Variant of standard Shogi with promotable Gold Generals, as well as more varied and animalistic promotions. (9x9, Cells: 81) By A. M. DeWitt.
- Seireigi. Variant of standard Shogi with promotable Gold Generals, as well as more varied and animalistic promotions. (9x9, Cells: 81) By A. M. DeWitt.
- Sesqui-dimensional Chess. 1d circular variant where pieces move clockwise, counterclockwise, and *across the center* of the circle. By Jeff Cornell.
- Sha'rah. Missing description (13x13, Cells: 169) By Patrik Hedman.
- Shako_Balbo. Game with Diamond Shape Board. By wdtr2.
- Sharp Chess. Drawless Chess with minor victory conditions. (8x8, Cells: 64) By Daniel Zacharias.
- Shatar, Old 1 Hia. Old Shatar with one Hia. (8x8, Cells: 64) By Gary K. Gifford.
- Shatranj N W. catsmas. By Mark Simpson.
- Shatranj With Different Armies. Like Chess with Different Armies, but for Shatranj. By Andrew L Smith.
- Shogi WDA: Alquerque army. Experimental army, supposed to be played against standart Shogi army. (9x9, Cells: 81) By Daniil Frolov.
- Shogi with Impassable Kings. A modest fix to Shogi that makes impasses impossible. By Fergus Duniho.
- Shogun Chess. Pieces promote and can be dropped, similar to Shogi. By Daniel Lee.
- Shoko Shogi. Smaller variant of Hook Shogi on a 13x13 board. (13x13, Cells: 169) By A. M. DeWitt.
- Short Leaper Chess. Missing description (8x8, Cells: 64) By Petar Djurickovic.
- Short Sliders. Pieces are initially limited to 4 spaces (if that), and promote to longer moves. (12x16, Cells: 192) By Bob Greenwade.
- Shosu Shogi. 10x10 Shogi variant with Queens and more powerful promoted pieces. By A. M. DeWitt.
- Shosu Shogi. 10x10 Shogi variant with Queens and more powerful promoted pieces. By A. M. DeWitt.
- Side view chess. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Simplified chess. Simple subset of the chess rules. (8x8, Cells: 64) By Michiel Tas.
- Simplified Makpong. Makruk variant. By Henk Drost.
- Sinyeonsanggi (新演象棋). I dramatized Sin-yeon-sang-hui (新演象戱), one of the variations of the Joseon Dynasty, in Xiangqi style. By Daphne Snowmoon.
- Sissa Squad. Army for Chess with Different Armies that features Knight from Coherent Chess. (8x8, Cells: 64) By HaruN Y.
- Skica. 10x10 with Ski Pieces and Camels. (10x10, Cells: 100) By Daniel Zacharias.
- Skica. 10x10 with Ski pieces and Camels. (10x10, Cells: 100) By Daniel Zacharias.
- SliderChess. Variant of Capablanca Chess with two extra Bishops per side replacing the Archbishop and Chancellor. By James Zuercher.
- Sloppy Slippers. An army consisting of slip-pieces. (8x8, Cells: 64) By HaruN Y.
- Snake vs. Mongoose. White is supplemented by Mongooses, while Black has Snakes. (10x10, Cells: 100) By Bob Greenwade.
- SOHO Chess. Chess on a 10x10 board with Champions, FADs, Wizards & Cannons. By Kevin Pacey.
- SOHO Chess. Chess on a 10x10 board with Champions, FADs, Wizards & Cannons. (10x10, Cells: 100) By Kevin Pacey.
- Solar Chess. 2 to 6 players on a hexagonal board with quadrilateral tiles and Shogi-inspired drop rules. By Jeff Cornell.
- Solitaire dice chess. Solitaire dice chess (concept works with variants & board games of skill too). (8x8, Cells: 64) By Kevin Pacey.
- Sorchess. A somewhat unorthodox Wizard enters the 64sq arena, yet with good charm. By Simon Edward Jepps.
- Spell Chess. A limited supply of freeze and jump spells allow you to hinder the opponent or get extra moves. (8x8, Cells: 64) Author: H. G. Muller.
- Spherical Corner Chess. Game on a truly topologically spherical board with corner‐camp arrays. By Bn Em.
- Spiral Chess. The royal pieces slide along a spiral trajectory. By H. G. Muller.
- Square Attrition Chess. Squares can be visited a limited number of times. By Thomas .
- SquireKnight. Squire Knight combines Knight and Forward/Backward Pawn like moves. (8x8, Cells: 64) By Stephane Burkhart.
- Stairchess. Chess on a ladder-alike tilted board. (8x8, Cells: 64) By Max Koval.
- The Starbound Sliders. A Chess With Different Armies team featuring rook-inspired sliders. By Andrew L Smith.
- Stone Garden Chess. The animal statues in the stone garden came to life and attacked the two rival kings! With the help of a policeman each, they…. (8x8, Cells: 64) By Lev Grigoriev.
- Stone's Chess. Chess variant with the addition of two Archbishops. (10x8, Cells: 80) By rhett applestone.
- StrataChess v1.0. separate Strategic and Tactical gameplay. 2-6 players. Element of Chance. Terrain. Build your own armies. By Prussia General.
- Stylish victory or stylish fail. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Suicide Chess. http://www.windowsphone.com/en-us/store/app/suicide-chess-free/b89dc1a3-2d23-410d-b580-aaaff54d81f5. By Freederick .
- Super4*Chess (four dimensional chess). Four dimensional chess variant played with 96 pieces. (4x(4x(4x4)), Cells: 256) By Kevin Pacey.
- Suzumu Shogi. 16x16 variant based on Tenjiku Shogi. (16x16, Cells: 256) By A. M. DeWitt.
- Suzumu Shogi. 16x16 variant based on Tenjiku Shogi. (16x16, Cells: 256) By A. M. DeWitt.
- Synochess. Asymmetric west vs east variant where the western chess army plays against a Chinese and Korean-inspired army. By Daniel Lee.
- A Tale of Two Countries. This is a small diceless wargame. By Joe Joyce.
- Tank Chess. Upgrade your tank to defeat others. By Alexander Mach.
- Tao's Chess. Chess variant where as you move across a line, the pieces reverse roles. By Travis Geyer.
- Team-Mate Chess. Variant with 8 different pieces, none of which is able to checkmate a bare king on its own. (8x8, Cells: 64) By H. G. Muller.
- Team-Mate Chess. Play this variant in which it takes a team to checkmate the King on Jocly. Author: H. G. Muller and Michel Gutierrez. Inventor: H. G. Muller.
- Temple Island Chess. Solo game with shadow pieces. By Karen Robinson.
- Terachess II. A summit with 26 different pieces on a 16 x 16 board. There are 64 pieces per side of 26 different types. By Jean-Louis Cazaux.
- Terachess II. An unrealistic summit on a very large board of 16x16 squares and 128 pieces. By Jean-Louis Cazaux.
- Teramachy. Teramachy is the child of Metamachy with 12 rows and Terachess with 16 columns. By Jean-Louis Cazaux.
- Teramachy. A chess variant between Metamachy and Terachess. By Jean-Louis Cazaux.
- Three Realms Chess. A three layer variant with familiar and fantastical pieces. (3x(8x8), Cells: 192) By Andrew L Smith.
- Threehex. Hexagonal variant for three players. By Max Koval.
- Throne Chess. Same game as chess, except playing King to K8 wins too, by Thronemate. By Kevin Pacey.
- Throne Chess. Same game as chess, except playing K to K8 wins by Thronemate, too. By Kevin Pacey.
- Through the Looking-Glass. Alice chess, but you see only a board. (2x(8x8), Cells: 64) By Paolo .
- Thunderstruck Server Chess. {This game seems broken…}. (10x8, Cells: 80) By Lev Grigoriev.
- Thuria Jetan. Jetan variant played on standard chessboard. (8x8, Cells: 64) By Fredrik Ekman.
- Tiger Chess. A large game with fast-moving pieces. By Daniel Zacharias.
- Tigrey. Combination of Expanded Chess and Tiger Chess. (12x12, Cells: 144) By Daniel Zacharias.
- Tigrey. Combination of Expanded Chess and Tiger Chess. (12x12, Cells: 144) By Daniel Zacharias.
- Timurid. This is a Game Courier preset for Timurid (std), one of the variants from the Timurid family. (12x12, Cells: 144) By Jean-Louis Cazaux.
- Timurid. Evolution of timur chess. (12x12, Cells: 144) By François Houdebert.
- Timurid Babur. This is a Game Courier preset for Timurid Babur, one of the variants from the Timurid family. (12x12, Cells: 144) By Jean-Louis Cazaux.
- Timurid Mirza. This is a Game Courier preset for Timurid Mirza, one of the variants from the Timurid family. (12x12, Cells: 144) By Jean-Louis Cazaux.
- Timurid Samarkand. This is a Game Courier preset for Timurid Samarkand, one of the variants from the Timurid family. (12x12, Cells: 144) By Jean-Louis Cazaux.
- Tiraspol chess. Variant in which pieces capture as the piece whose starting file they're in. By Max K..
- Tjatoer!. A chess variant written in Python, designed to stress test engines. By Halfen Ludith.