Inventors Starting with J

• Edward Jackman [info] 007 Chess. A variant where you also move your opponents pieces. (8x8, Cells: 64) 007 Schaak. Een beurt bestaat uit een zet voor jezelf, een zet voor de tegenstander, en een zet voor jezelf (Dutch Language) Anywhere Chess and Variations. Pieces (except kings) can make teleport moves to any empty square on the board. With several variants. (8x8, Cells: 64) , more...
• Harry Jackson [info] Chess Empire. Large four player chess variant. (20x20, Cells: 322)
• Rolf W. Jacobson [info] Superchess IV. Four-handed chess game playable by two or four players. (Cells: 148) SuperChess I. Big proprietary game for four. Pawns meet their opponents as in orthochess.
• David Jagger [info] Asteryx Chess. Hexagonal chess played on an asterisk-shaped board. (Cells: 43) Cascudo. On 44-square hexagonal board with turns consisting of cascade of moves. (Cells: 44) Chariots. Standard pieces start as pairs with shared capabilities, but can separate and recombine. (10x10, Cells: 100) , more...
• Claudio Martins Jaguaribe [info] A Tale for a Chess Variant.. Missing description Anemic Chess. A more anemic version of Chess that replaces riders with weaker short-range pieces. Antimatter Chess. Missing description (8x8, Cells: 64) , more...
• Claudio Martins Jaguaribe [info] Logical Followup to Duke of Rutland Chess and Some Others. Derivative of The Duke of Rutland's Chess with other compound pieces.
• Nathan James [info] Attrition Chess. Played on an 11x10 board, each player starts with 33 pieces. (11x10, Cells: 110)
• Martin Janecke [info] Perleberger Bridge Chess. Missing description (8x9, Cells: 66) Revenge of the King. http://xn--perlebr-bxa.de/2010/02/Vergeltung-des-K%C3%B6nigs. (8x8, Cells: 64)
• Jos Jansen of Lorkeers [info] Broederschap Schaak (Brotherhood Chess). Stukken mogen geen stukken van dezelfde soort slaan. (Dutch Language)
• Bill Jemas [info] Express Chess. Information on commercial chess variant with cards instead of board and pieces. ()
• Gerhard W. Jensch [info] Stereo Chess. 8 by 8 board with four 4 by 4 boards stacked on top of it. (4x(), Cells: 128)
• Simon Edward Jepps [info] Chec Toe. Chec Toe is a 4x4 Chess variant played with a six sided die, incorporating uniquely designed features, such as Checkering, Cross.
• Simon Edward Jepps [info] Ganeshan Chess. Introducing a new Elephant piece known as (the) Ganapati. (10x10, Cells: 100)
• Simon Edward Jepps [info] Phantom. Classical Chess featuring an invisible Phantom piece. Sorchess. A somewhat unorthodox Wizard enters the 64sq arena, yet with good charm.
• Simon Edward Jepps [info] Chess Variant Score Notation Book. Chess score notation book for 100 square chess variants.
• Allen Jett [info] Chaos Chess. Pieces are placed randomly everywhere on the board before the game starts. (8x8, Cells: 64) Chaos Schaak (Chaos Chess). Voor het begin van de partij worden alle stukken op willekeurige velden overal op het bord gezet (Dutch Language) Chaos Chess. Random starting positions.
• Jianying Ji [info] Nacht Schach. Missing description (8x7, Cells: 56) Spacious Torus Chess. Chess on a toroidal board, using Ralph Betza's spacious pieces. (8x8, Cells: 64) Spacious Torus Chess. Toroidal 8 x 8 using "spacious" FIDE pieces which require the next square beyond to be empty to either move or capture., more...
• Shi Ji [info] Diagonal Oblong Chess. The board is an oblong in diagonal direction. By Shi Ji. (8x8, Cells: 64) Diagonal Oblong Chess . The board is an oblong on diagonal direction. By Shi Ji.
• Tanigasaki Jisuke [info] Kokusai Sannin Shogi. Three-handed Shogi variant. (Cells: 127)
• Amy Johnson [info] Red Fool Chess. Standard Chess, but with two extra rows and one semi autonomous piece, the Red Fool.
• B. Gregory Johnson [info] Cheops. Large 3d chess variant inspired by Dune novels. Little Cheops. Large variant with extra rules governing game play. (9x9, Cells: 81)
• Jeff Johnson [info] Testing. Missing description Duluth chess. 5 minor changes to Western Chess that can affect all stages of the game.
• Lester Jones [info] The Last Mourning. On board with 38 squares and Jesters. (Cells: 38)
• Morien Wyn Jones [info] Chess Legions. Decimal variant with extra, exotic pieces.
• Terry H. Jones [info] Ascending the Throne. When the king is lost, another piece becomes royal. (8x8, Cells: 64) Attending Pawns. Pieces have their personal pawn assistent. Berserker Pawns. Pawns may go berserk to protect their King and once per game in addition. (8x8, Cells: 64) , more...
• Gerhard Josten [info] Chess 2000. Chess on 8 by 8 board with knight/rook and knight/bishop pieces. (8x8, Cells: 64) Chess 2000 program. A program that plays Chess 2000. Chess 2000 . Chess on 8 by 8 board with knight/rook and knight/bishop pieces.
• Joe Joyce [info] 3D Great Shatranj. A simple approach to 3D chess. (6x(6x6), Cells: 216) Atlantean Barroom Shatranj. Atlantean Barroom Shatranj Rules. (10x10, Cells: 100) Chesimal Fusion I. Missing description (16x12) , more...
• Kuyan Judith [info] Classic Average. Missing description (9x9, Cells: 81) Complex Allegiance Chess. Missing description (10x10, Cells: 96) Complex Allegiance Chess (6 player). Missing description, more...
• ? Judkin [info] Judkin's Shogi. Small shogi variant on 6 by 6 board. (6x6, Cells: 36) Judkin's Shogi. Modern small shogi variant preset.
• Andrew Juell [info] Reality check. Remember the opposite site of flippable pieces. (Cells: 39)
• Feng Jun [info] AIGO Chess. International chess with Cannon pieces added. (8x8, Cells: 64) AIGO Chess. Adds cannons to fianchetto positions of FIDE Chess.