- Bughouse. 4 player variant where pieces taken from your opponent are given to your partner. (8x8x2, Cells: 128) (Recognized!)
- 12 Sharp Chess. 4-player versions of 10-or-more-file variants on cross-shaped boards. (12x12, Cells: 108)
- 125 Percent Shogi and 125 Percent Xiang Qi. 4-player versions of Oriental variants on cross-shaped boards. (15x15, Cells: 125)
- 16 Seasons Chess. 4-player variant combining FIDE and Leap Chess pieces. (10x10, Cells: 100)
- 3 Player Chess. On a large (217 hexagon) board.
- 3-Player Chess I. Missing description (10x10, Cells: 75)
- 4 Armies. Each player controls two armies. (10x10, Cells: 100)
- 4 Faces. 2d multiplayer variant based on a feature of Tunnelshogi. (9x9, Cells: 45)
- 4 Player Chess. Commercial four player chess variant.
- 4-Player Pothole Chess. Bulldozers and cars and other vehicles are pieces in 4-player chess variant. (7x7, Cells: 39)
- 4-way chess by Taurus games. Commercial fourhanded chess variant.
- Ackanomic Party Chess. Multiplayer chess inside a `Nomic' game.
- Ackanomic PartyChess. Multiplayer chess inside a `Nomic' game.
- Against the Odds. Missing description (16x16, Cells: 256)
- Aire. River variant on H-shaped board, some parts of camps further back than others. (8x12, Cells: 72)
- AltOrth Hex Chess. Hexagonal variant using pieces moving only one way along each orthogonal. (11x11, Cells: 91)
- AltOrth with Further Piece Types. Extending the AltOrth interpretation of hex cells to further variants. (11x11, Cells: 91)
- AltOrth with Hopping and Crooked pieces. Extending the AltOrth interpretation of hex cells to further variants. (11x11, Cells: 91)
- Antarctic Chess or Predators and Penguins. Penguins seek safety at the ice-pack's centre. Can the Predators stop them? (Cells: 295)
- Asymmetric Chess. Chess with alternative units but classical types and mechanics. (8x8, Cells: 64)
- Avon. Four-player game; two players sharing the White and two the Black pieces. (8x10, Cells: 80)
- BacCanCat. 4-player variant with Cannons and Arrows, Cathedralling, and alternative ways to win. (16x16, Cells: 256)
- Bastardo. 4-player game.
- Battle of the Six Armies. Multiplayer with a trigonal board. (29x18, Cells: 378)
- Battle of the Six Armies. Construction of board and pieces to play B6A.
- Battle of titans. Missing description (9x5x3, Cells: 135)
- Bilateral Group Simultaneous Chess. Simultaneous chess, but with two groups of rotating players.
- Bishops. Commercial four-player game.
- Bishops. Rules of Play. (12x12, Cells: 132)
- Bosworth. Commercial multiplayer chess variant for two to four players using cards as pieces.
- Bughouse. 4 player variant where pieces taken from your opponent are given to your partner. (8x8x2, Cells: 128) (Recognized!)
- Bughouse Links. Comprehensive list of Bughouse resources.
- Bughouse Spartan Chess. streetmansd. (8x8x2, Cells: 128)
- Bughouse.net. Extensive website with information on Bughouse.
- CARDCHESS. Utilizes the two key elements of card games: four suits and the ability to place cards face down to hide their values. (10x10, Cells: 100)
- Chamaeleon. Multiplayer variant with pieces moving differently depending on square color.
- Chameleon Chess Redux. Missing description (8x8, Cells: 64)
- Chaturanga 4-84. An Updating of Chaturanga for Four Players with modern pieces and an 84-square board. (10x10, Cells: 84)
- Chaturanga for four players.. Oldest multiplayer chess variant. (8x8, Cells: 64) (Recognized!)
- Chesh. 3 player, hexagonal chess.
- ChesK: Risk and Chess Combination. A combination of the classic chess and Risk.
- Chess Empire. Large four player chess variant. (20x20, Cells: 322)
- Chess for Three. Three-player Chess with standard pieces and moves.
- Chess Jester. 4-player variant with two new pieces.
- Chess Kingdom. 4-player variant, on a 20x20, plus-shaped board. Standard pieces. (20x20, Cells: 364)
- Chess Poker. Like poker, but players are dealt a hand of pieces instead of cards.
- CHESSapeak . Website of firm selling four player chess variant. (Cells: 160)
- Chessex . Hexagonal chess variant for two or three players. (Cells: 169)
- Chexs. Chess for two to six persons on hexagonal board.
- cHEXx . Multiplayer chess variant on hexagonal board. (Cells: 211)
- Chinese Chess variant for 7 players. Missing description (19x19, Cells: 361)
- Chivalrous Attrition . Two knights jump over and may not go to visited squares. (8x8, Cells: 64)
- Cincinnati 4-way Chess. Four player chess variant from Cincinnati. (Cells: 101)
- Color Chess. Four player chess variant on 11 by 11 board. (In Hungarian).
- 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.
- Command and Maneuver: A Tale of Two Countries. This is a diceless wargame,. (24x12, Cells: 288)
- Corner Chess. Two or four player chess variant on 8 by 8 board with pieces starting in the corners. (8x8, Cells: 64)
- Countdown. Ten player game with sf-theme. (x10, Cells: 100)
- Cyclohex. 3-player round hex variant. (24x5, Cells: 120)
- Djambi. Four player variant with different taking rules and special central square. (9x9, Cells: 1)
- Djambi. Four-player all-against-all game with unusual pieces; also known as Djambi.
- Double Cross Besiege. A spinoff from Besiege Chess using FIDE-size armies. (8x16, Cells: 96)
- Double Skak. Four player chess variant on 8 by 8 board. (8x8, Cells: 64)
- Doubles Chess. Four player chess variant on octagonal board. (Cells: 128)
- Doubles Chess Partnership Ltd . Website of company selling four player chess variant. (Cells: 128)
- Easterhouse. Captured pieces switch between Xiang Qi and Shogi boards. (9x19, Cells: 171)
- Echexs. Hexagonal variant for three or six players.
- Elevator Chess. Multiple boards with simultaneous games are linked through central elevator squares.
- Enochian Chess. Four-player team variant of the Golden Dawn. (8x8, Cells: 64)
- European Chess. A multiplayer, different armies form of chess. (8x8, Cells: 64)
- Fetch Chess. Double-move game where the Cat (who may be a 3rd player) may or may not fetch your pawns back. (8x8, Cells: 64)
- Fiancé Chess. A 3-player variant with Kings and Queens starting far apart, inspired by Bachelor Chess. (12x12, Cells: 96)
- Fimbriation Chess. Combines 4 players with 2-player Pawn treks and Castling. (14x14, Cells: 144)
- Fivequarters. Four-player game on a cross-shaped board where most pieces can promote. (12x12, Cells: 80)
- Forchess . Four player chess variant on 8 by 8 board.
- Foreign Policy Chess. Chess variant on 8 by 8 board with armies of unequal strength. (8x8, Cells: 64)
- Fortress chess. An old Russian variant for four players. (Cells: 192)
- Four Armies. Each player controls two armies. (10x10, Cells: 100)
- Four Handed Perspective Chess. Missing description
- Four Handed Roman Chess. 4 player chess variant with additional new piece.
- Four Player Shogi. Variant of Shogi for four players. (15x15, Cells: 189)
- Four Row Chess. Missing description (Cells: 208)
- Four seasons chess.. Medieval multiplayer chess variant on 8 by 8 board. (8x8, Cells: 64)
- Four-Handed Elephant Chess. A 4-Player (2 Team) game based on 3-Elephant Chess and 4-handed chess. (11x11, Cells: 97)
- 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)
- Gala Xiang-Qi. Crossover game. (16x16, Cells: 256)
- The Game of the Three Kingdoms. inese Chess for three players (Game of the Three Kingdoms). (Cells: 135)
- The Game of Three Friends. A variant on Chinese Chess for three players. (Cells: 135)
- Genetess. A play-by-email game with genetically encoded pieces.
- Glacial Shift. 4-player game played with Icehouse pieces with Shogi-style captures and where the same piece moves differently for each player. (10x10, Cells: 100)
- Grand House. Bughouse and CrazyHouse applied to Grand Chess. (10x10x2, Cells: 200)
- Guru Mahachaturanga. 2d India-specific offshoot of AOF series. (12x12, Cells: 144)
- Haiku Shogi. 4-player Shogi with 5+7+5 grouping of orthogonals in both dimensions. (17x17, Cells: 289)
- Hans37 Chess. Chess variant for four players on a board of 37 squares. (Cells: 37)
- Herichess. A variant on a board in the shape of the English Heritage logo. (14x14, Cells: 112)
- Hex Besiege. Two slightly modified McCooey sets placed b(l)ack to b(l)ack. (11x21, Cells: 187)
- Hex Frontofhouse. Captured hex pieces return with only their forward moves. (11x11, Cells: 91)
- Hex Horngi. To hex cells what Mitregi is to square ones and Tunnelshogi to cubic ones. (Cells: 91)
- HexChess-Kirby's. Missing description (Cells: 313)
- Hexgi. A Wellisch-style hex interpretation of Shogi, with "officers" using selected orthogonals. (Cells: 91)
- Hibryd III. An exotic three-player variant played on a board of 42 hexes with multiple victory conditions. (Cells: 42)
- Horn Rimmed Hex 1: 91 to 127. Start of hex analogue to the Mitred Framing series. (13x13, Cells: 127)
- ImmortalStarMasters. Multiplayer, hexagonal board for chess and checker games.
- Irwell. Gain an advantage by crowning your enemy. (8x10, Cells: 80)
- Joko Urtaroak. Modern large version of Game of Four Seasons; four player chess variant. (10x10, Cells: 84)
- Kaos: The Game . Multiplayer game on a 7x7 board.
- Keeps and Moats Chess . A four player chess variant.
- Leapers, Benders, Riders, and Crooks. Missing description
- Los Alamos Vierschach. Four player variant of small variant Los Alamos Chess. (10x10, Cells: 84)
- Machiavellian Chess. Four-player all-against-all game with unusual pieces; also known as Djambi.
- Marinelli's three-handed chess, or Triple Chess. Historic chess variant for three players. (Cells: 136)
- Martian Chess. Two or four player strategic game with chess elements played with Looney piramids. (4x8, Cells: 32)
- McGlinWell. Combining elements of three long-standing forms of hex Chess. (Cells: 91)
- Mini four player chess. Missing description (8x8, Cells: 48)
- mini-Chieftain. One Small Multi-Move Game in Two Configurations. (8x8, Cells: 64)
- Nearlydouble Hex Chess. Applying the Nearlydouble principle to Wellisch and McCooey Chess. (15x15, Cells: 169)
- Neighbors. Try to capture the most pieces on a 42-square board completely filled with neutral pieces. (7x6, Cells: 42)
- Never-Ending Infinite Sandbox Chess Game. Online forum-based chess game with 12 players, infinite board, and many pieces.
- Nine elders. Sittuyin + Shogi.
- Once More, with Deans. Subvariants of River-with-university-and-cathedral series with extra piece type.
- Orwell Chess. Three player variant themed on George Orwell's 1984. (7x12, Cells: 84)
- Partner Chess . Commercial two and four-player variant on smaller cross-shaped board.
- Partnership Mitregi. Unthemed 4-player variant with most pieces always moving toward or across the River. (8x8, Cells: 64)
- Pass variants. 4-player Xiang, Anglis, &c. Qi on a 10x10 board with intersecting Rivers. (10x10, Cells: 100)
- PI. Commercial multiplayer chess variant for 2 - 12 players.
- Pinwheel Chess . Four-player, all-against-all variant played on a pinwheel-shaped board.
- Ploy. Strategic Game of Maneuver and Capture, 3M Company - 1970. (9x9, Cells: 81)
- Quapent. Missing description
- Ringworld Chess. Themed hex variant differentiating opposite directions along orthogonals. (Cells: 198)
- Russian fortress chess. An old Russian variant for four players. (Cells: 192)
- San-kwo-k'i. inese Chess for three players (Game of the Three Kingdoms). (Cells: 135)
- Sceptre 1027 A.D.. Large, commercial, multiplayer chess variant. (8x8x9, Cells: 576)
- Self's three-handed chess. 19th century chess variant for three players. (Cells: 144)
- Sengoku Shogi. The first ever Massively Multiplayer Chess Variant.* *I think. (9x9, Cells: 64)
- Shadow Warriors. Missing description
- Shogessi (The Allday Wars) . An original large, multiplayer Chess/Shogi variant.
- Siamese Chess. 4 player variant where pieces taken from your opponent are given to your partner. (8x8x2, Cells: 128) (Recognized!)
- Siege chess. A hexagonal three-player chess variant. (Cells: 192)
- Singularity Chess. A fixed and fully notated form of singularity chess.
- Stelliform 6 player Chess. Stellisch from Wellisch, Stellicorn from Revergent, and Stellgi and Hexgi. (17x17, Cells: 121)
- Stevenson's Four-Player Chess. A game for two 2-player teams on a regular Chess board with the object of capturing all opposing pieces.
- StrataChess v1.0. separate Strategic and Tactical gameplay. 2-6 players. Element of Chance. Terrain. Build your own armies.
- StrategiChess . Large multi-player, multi-board chess variant. (14x14, Cells: 196)
- StrategiChess II . Large, multi-player, mult-board variant with new piece types. (14x14, Cells: 196)
- Superchess. Four-handed chess game playable by two or four players. (Cells: 148)
- Tandem Chess. 4 player variant where pieces taken from your opponent are given to your partner. (8x8x2, Cells: 128) (Recognized!)
- Tax Chess. King mobility affected by the placement of pawns of the same color.
- The Third Party. FIDE chess plus a third player with hidden assassins. (8x8, Cells: 64)
- Three Handed Chess. Three handed Chess with special rules to promote 3-way play. (Cells: 96)
- Three Player Chess. Three players must win both games simultaneously to win. (8x8, Cells: 64)
- Three Player Chess. On a large (217 hexagon) board.
- Three Player Hex Shogi 91. a hexagonal Shogi variant for three players. (Cells: 91)
- Treyshah. A commercial three-player hexagonal variant with 23 pieces a side. (Cells: 210)
- Triana. 3-player version of 6x6 games. (9x9, Cells: 54)
- Triangle chess. Four player chess variant on 11 by 11 board. (In Hungarian).
- Triangular Chess. Missing description
- TriChess . is a hexogonal, three player variant, created and distributed by PrimeChess Oy.
- Trigon Chess . Three-player chess and checkers on various shaped boards.
- Trihex. Three-player hexagonal variant with extra pieces. (Cells: 127)
- TriMac 3 Friends. Hexagonal Game of 3 Friends. (Cells: 207)
- Triple Crown. A three-halves variant making use of the cross-centre step. (15x15, Cells: 150)
- TRiPLiCiTY. Three player hexagonal chess variant. (11x11, Cells: 111)
- Triss. Hexagonal chess variant for three players. (Cells: 102)
- Trissa. A Rococo-inspired hexagonal variant for three players with an unusual flavor. (10x10, Cells: 55)
- Triune Chess. Three player variant played with a regular Chess Set with rotating play. (8x8, Cells: 64)
- Turnstyle. Four player chess variant using a normal chess set.
- Two Large Multi-Move Games. Two large multimove variants with multiplayer potential. (24x12, Cells: 288)
- Vierschach. 19th Century 4-player game where allies start off at right angles to each other. (14x14, Cells: 160)
- Vimes Chess. Variant inspired by a footnote in a Discworld novel. (8x8, Cells: 64)
- Waider's three-handed chess. Missing description (Cells: 126)
- Wild Kingdom Chess. Missing description (8x11, Cells: 88)
- Yonin Shogi. 4-handed Shogi variant. (9x9, Cells: 81)
- Yonin Toyang Mitregi. Four-player variant with returns from capture and promotion to Yang Qi pieces. (13x13, Cells: 169)
- Yo[n]o Shogi. 4-player Shogi variant with all 8 kinds of piece (fewer of some) on a standard Shogi board. (9x9, Cells: 81)
Total items listed: 173