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SELECT * FROM `Item` LEFT JOIN `IndexEntry` USING (ItemID) WHERE `IsHidden` = 0 AND `Item`.`IsDeleted` = 0 AND `Language` = 'English' AND `BoardRows` = '8' AND `BoardCols` = '8' ORDER BY `LinkText`, `Item`.`Summary` ASC LIMIT 500 OFFSET 1500
The search is limited to 500 items at a time. There are links at the bottom of the page to either continue or narrow down your search.
- Meta-chess Digital Edition. Digital Copy of 'Meta-chess' by John W Brown. Author: Sean Bass and John William Brown.
- Metamorph Chess. Play this variant in which pieces frequently promote or demote. By Fergus Duniho.
- Metamorph Chess. Variant in which pieces transform by fixed rules into other pieces. (8x8, Cells: 64) By Fergus Duniho.
- Metapontum . Cooperative chessvariant on hexagonal board. Author: Hans L. Bodlaender. Inventor: Hans Theo Frenkel.
- Metapontum Peace Chess. Metapontum Peace Chess cooperative chess game. By Francois Tremblay.
- Meteoric Chess. A sober but lively drop chess variant with standard pieces (zrf available). By M Winther.
- mettamorphachess. Missing description (8x8, Cells: 64) By Eric S. Clayton.
- Mexican King Chess. Win the usual way or by making it safely to Mexico. Author: Ed Friedlander.
- Michael's Chess. An elaboration of Lord Dunsany's Chess with varying Pawn sides. By Roger Cooper.
- Michell's Proposal. Pawns may underpromote on next-to-last rank. Author: Ed Friedlander. Inventor: R. P. Michell.
- Michelson's Chess. Each side moves first a red unit, then a white unit. Author: Ed Friedlander.
- Mid-Evil Chess. A mid point between chess and shatranj. (8x8, Cells: 64) By Andy Maxson.
- Midgard Chess. Midgard Chess has two unusual shortrange pieces, the War Elephant and the War Machine. (8x8, Cells: 64) By David Paulowich.
- Midgard Chess. Midgard Chess has two unusual shortrange pieces, the War Elephant and the War Machine. By David Paulowich.
- 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.
- Mike's Camel Chess . Lùotuoqà (Camel Chess) variant with more balanced pieces. By Michael Nelson.
- Military Chess. 19th century commercial chess variant. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: E. Joseph Cossman.
- Millennium 3D Chess (tm) . (Link.). Inventor: William L. D’Agostino.
- Miller's Spherical Chess. Play this early adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Don Miller.
- Millinn3um (M3) Chess. varied opening positions for each player, two sets standard pieces per player, symmetrical piece drops, two kings each. By Michael Williams.
- Mime Attack Chess . Pieces capture like the pieces they're capturing usually capture. By Adrian Alvarez de la Campa.
- Minefield Chess. Two of your squares have hidden mines that can destroy an enemy unit. Author: Ed Friedlander.
- Minesweeper chess. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Mini Citadel Chess . Mate the king or occupy a citadel of your opponent. By A.J. Winkelspecht.
- Mini Citadel Chess. Mate the king or occupy a citadel of your opponent. (8x8, Cells: 68) By A.J. Winkelspecht.
- Mini four player chess. Missing description (8x8, Cells: 48) By Daniil Frolov.
- mini-Chieftain. One Small Multi-Move Game in Two Configurations. (8x8, Cells: 64) By Joe Joyce.
- Minotaur Chess. Variant with board turned 45 degrees. (8x8, Cells: 64) By Frank M. Truelove.
- Mir Chess. Play this variant that is mid-powered between Chess and Shatranj. Author: Fergus Duniho and David Paulowich. Inventor: David Paulowich.
- Mir Chess. Missing description (8x8, Cells: 64) By David Paulowich.
- mir chess II. a variant of mir chess with same piece strength. (8x8, Cells: 64) By Andy Maxson.
- Miscellaneous Chess FAQ. Some answers to some frequently asked questions about chess and trivia. Author: Hans L. Bodlaender.
- Missile Chess. Each unit can rifle-capture once. Author: Ed Friedlander. Inventor: R. Wayne Schmittberger.
- Missile Chess. Each non-king pieces or pawn may capture without moving once per game. (8x8, Cells: 64) Inventor: R. Wayne Schmittberger.
- Missile Chess. Missing description Author: Douglas Silfen. Inventor: R. Wayne Schmittberger.
- Missing the Mark. Making intentional errors. (8x8, Cells: 64) By Ralph Betza.
- Mitred Framing 3: 6x6 to 8x8. Adding a rim of forward-only pieces around a 6x6 board. (8x8, Cells: 64) By Charles Gilman.
- Mobile Pawn Chess. Pawns have increased movement. By Tony Quintanilla.
- Mock Chess. No royal piece, mandatory captures. Author: Ed Friedlander.
- Mockery Chess. Missing description (8x8, Cells: 64) By Stephane Burkhart.
- Moderate Progressive Chess. A player may make one more move than his opponent just made. (8x8, Cells: 64) By Adrian Alvarez de la Campa.
- Moderate Progressive Chess. A player may move one more piece than his opponent just moved. By Adrian Alvarez de la Campa.
- Modern Chess960. chess960 with piece placement by players and orthodox castling. (8x8, Cells: 64) By Piotr Smagacz.
- Modern Shatranj. A bridge between modern chess and the historic game of Shatranj. Author: Christine Bagley-Jones and David Howe. Inventor: Joe Joyce.
- Modern Shatranj. A bridge between modern chess and the historic game of Shatranj. By Joe Joyce.
- Modern Shatranj. A bridge between modern chess and the historic game of Shatranj. (8x8, Cells: 64) By Joe Joyce.
- Modern Shatranj D & R. Missing description By Joe Joyce.
- Modest Proposals. An Introduction to Modest variants. By Tony Paletta.
- Modest Proposals - Various Authors. Missing description (8x8, Cells: 64) Author: Tony Paletta.
- Modest Variant.. Black may castle out of check. (8x8, Cells: 64) By Steven A Brown.
- Momentum Chess. Pieces keep moving in the same direction. (8x8, Cells: 64) By Ralph Betza.
- Mongolian Chess. Shatar, the major form of chess played in Mongolia for centuries. Author: Ed Friedlander.
- Mongredian Chess. Both bishops on queenside, both knights on kingside. Author: Ed Friedlander.
- Monkey Do Chess. If possible, make a second move with any unit. By Ed Friedlander.
- Monochromatic Chess. Pieces remain on squares of the same color. (8x8, Cells: 64) By Harry Pijls.
- Monochrome Chess . All pieces are the same color. Players move pieces on their side of the board. Author: David Howe. Inventor: Andrew Looney.
- Monochrome Chess. All units are of the same color. Win by accumulating captures. Author: Ed Friedlander. Inventor: Andrew Looney.
- Monster Chess Variants. A Discussion of the value of Double-Move pieces. (8x8, Cells: 64) Author: Ralph Betza.
- Monte Carlo Chess. Random movement variant. (8x8, Cells: 64) By Jeremy Gardiner.
- More Shifted Square Chess. Shifted Square Chess needs more than one page to explore its possibilities. (8x8, Cells: 64) By Ralph Betza.
- Moroccan Chess. If you have one or more captures, you must make a capture. Author: Ed Friedlander.
- Mortal Chessgi. Play this Chessgi variant in which each capture decreases material. By Fergus Duniho.
- Mortal Chessgi. A Chessgi game in which captures reduce material. (8x8, Cells: 64) By Fergus Duniho.
- Mortal Chessgi . A Chessgi game in which captures reduce material. By Fergus Duniho.
- Moscow King Chess. Board starts empty. Author: Ed Friedlander.
- Move as square says. Game with identical piece, movement depends on location. (8x8, Cells: 64) By Daniil Frolov.
- MRC64. Modern Random Chess 64. By Jose Carrillo.
- MRC64. Missing description (8x8, Cells: 64) By Jose Carrillo.
- Mrs. Graycheck's Chess. Pawns promote only to a unit already captured. Author: Ed Friedlander.
- Ms. Alice Chess. Alice Chess played on one board. Author: Ed Friedlander. Inventor: Vernon Rylands Parton.
- Multi-Dimensional Multi-Player (MDMP) Chess. 2-8 player Chess, traditional and alternate armies, optional laser. By Donald Cimics.
- Multi-King Chess. Missing description (8x8, Cells: 64) By Roberto Lavieri.
- Multimove Chess. Players spend points to make multiple moves. (8x8, Cells: 64) By David Howe.
- Multimove FIDE Chess. Each turn utilizes a number of points that get applied to movement. Author: Jeremy Gabriel Good. Inventor: David Howe.
- Multiple Formations. A proposal to add a set of formations to Chess. (8x8, Cells: 64) By Rich Hutnik.
- Multiple Occupancy Miscellany. Various chess variants with multiple pieces per square. (8x8, Cells: 64) By Ralph Betza.
- Multiple of 10 Checkmate. Variant where you can only checkmate or be checkmated on move 10, 20, 30, ect.. By Calvin Jack Pomerantz.
- Multiple of 10 Checkmate. Missing description (8x8, Cells: 64) By Calvin Jack Pomerantz.
- Musketeer Chess. Adding 2 newly designed extra pieces. (8x8, Cells: 64) By Zied Haddad.
- Musketeer Chess. A game that adds extra pieces to Chess, playable online with Game Courier. Author: Fergus Duniho. Inventor: Zied Haddad.
- Must Capture Chess. Capturing is mandatory. Author: Roger Cooper.
- Mustang Chess problem. Missing description By Namik Zade.
- Muster Chess. Each player can muster different armies. (8x8, Cells: 64) By Grant Sinclair.
- Mutation Chess. Units other than kings transform into whatever they capture. Queens do not move to give check. Author: Ed Friedlander. Inventor: John E. Bosley.
- Mutation Chess. Pieces that capture become the type of piece they captured. (8x8, Cells: 64) Author: Alessandro Castelli. Inventor: John E. Bosley.
- 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.
- N-Relay Chess. Uncapturable Knights give other pieces the ability to move as Knights. Author: Pierre Tourigny. Inventor: Mannis Charosh.
- N-Relay Chess. Uncapturable Knights give other pieces the ability to move as Knights. (8x8, Cells: 64) Author: Alessandro Castelli. Inventor: Mannis Charosh.
- Nachtmahr. Game with seven different kinds of Nightriders. (8x8, Cells: 64) By Jörg Knappen.
- Nachtmahr. "Study game" with several different types of nightriders. Author: Jeremy Gabriel Good. Inventor: Jörg Knappen.
- Nadvorney's Spherical Chess. Play Nadnorney's adaptation of Chess to a spherical board on Game Courier. Author: Fergus Duniho. Inventor: Leo Nadvorney.
- Narrowness. Board filled with pawns and two kings per player. (8x8, Cells: 64) By Sergey Sirotkin.
- Narrowness Chess. Many pawns. Author: Ed Friedlander. Inventor: Sergey Sirotkin.
- Near Chess. This is a variant of Skirmish Chess designed to be friendlier to newbies. (8x8, Cells: 64) By Rich Hutnik.
- Near Chess Preset. This is the preset for Near Chess. By Rich Hutnik.
- Near vs Normal Chess. This version pits pieces of Near Chess vs those of normal chess (FIDE). (8x8, Cells: 64) By Rich Hutnik.
- Nearly Anywhere Chess. Pieces teleport anywhere without capturing or checking. Author: Ed Friedlander. Inventor: Edward Jackman.
- Nearly Colorboundmost Chess . Game where all pieces except the Pawns are entirely colorbound, and interactions between colors are weak. Author: Peter Aronson. Inventor: Ralph Betza.
- Necromancer Chess. The Undead Walk. (8x8, Cells: 64) By Larry L. Smith.
- Nemesis Chess. Some pawns are replaced by the Nemesis, which moves only toward the enemy king and cannot be captured by pawns or kings. Author: Ben M Reiniger. Inventor: Philip M. Cohen.
- Nemesis Chess. Missing description Author: Ed Friedlander. Inventor: Philip M. Cohen.
- Nemoroth, The Game of. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) By Ralph Betza.
- Nemoroth. A Visit to. Ralph visits Nemoroth in a dream, and reports a game by its greatest champion. By Ralph Betza.
- Neoclassical Chess. The opening moves are selected through a random ballot. By Gabriel F. Bobadilla.
- NeoSchaak. Load your own units, onto the first two ranks, as you like during the game. Author: Ed Friedlander.
- Neoteric Chess. Pieces are swapped before play begins. An external piece is introduced (with zrf). By M Winther.
- Neoteric Different Pawns Random Chess. Really different pawns are shuffled in asynchronous way on pawn rows. (8x8, Cells: 64) By Lev Grigoriev.
- Net Chess. Variant of InterGrid Chess. Move between intersections. (8x8, Cells: 64) By Tony Quintanilla.
- Net Chess. Variant of InterGrid Chess. Move between intersections. By Tony Quintanilla.
- Net Chess . This game allows pieces to move to the grid intersections and between intersections. By Tony Quintanilla.
- Neutral King Chess. V.R. Parton's game where two armies share a King both must try to mate. (8x8, Cells: 64) Author: Peter Aronson. Inventor: Vernon Rylands Parton.
- Neutral King Chess . V.R. Parton's game where two armies share a King both must try to mate. Author: Peter Aronson. Inventor: Vernon Rylands Parton.
- Neutral King Chess. V.R. Parton's game where two armies share a King both must try to mate. Author: Antoine Fourrière. Inventor: Vernon Rylands Parton.
- Neutral King Chess. Missing description Author: Ed Friedlander. Inventor: Vernon Rylands Parton.
- Neutral Subject Chess. Most pieces start neutral, and players compete to recruit them. (8x8, Cells: 64) By Charles Gilman.
- New Age Chess. CDA variant substitutes Pushme-Pullyu as queen, and army with crabrooks, charging knights and waffles. Author: Jeremy Gabriel Good. Inventor: Andy Maxson.
- new age chess. a game played with the same board and set but with different rules. (8x8, Cells: 64) By Andy Maxson.
- New Chess. Drop-chess with pawn relocation. Standard pieces and rules. Ideal for avoiding opening theory. By M Winther.
- New Concepts. Missing description
- New Types of Progressive Chess. Several new progressive chess variants. (8x8, Cells: 64) By Ralph Betza.
- Nietzsche Chess. That which does not capture a piece, makes it stronger. (8x8, Cells: 64) By Charles Gilman.
- Nilakantha's Intellectual Game. 17th or 18th century Indian chess variation. Author: Tony Quintanilla and John Ayer. Inventor: _unknown.
- Nilakantha's Intellectual Game. 17th or 18th century Indian chess variation. (8x8, Cells: 64) Author: John Ayer. Inventor: _unknown.
- Nimrod Chess. All the same moves as FIDE Chess, but not NECESSARILY on the same pieces. (8x8, Cells: 64) By Charles Gilman.
- Nine Riders Chess. Each piece is a rider. Author: Ed Friedlander. Inventor: Philip M. Cohen.
- Nine-Queen Chess. Queens are placed instead of Pawns. Author: Tony Quintanilla. Inventor: Eric Beck.
- Nine-Queen Chess. Queens are placed instead of Pawns. (8x8, Cells: 64) Inventor: Eric Beck.
- Ninth Century Indian Chess. Differs from Shatranj in the setup and the Elephant's move. Author: Tony Quintanilla and John Ayer.
- Ninth Century Indian Chess. Differs from Shatranj in the setup and the Elephant's move. (8x8, Cells: 64) Author: John Ayer.
- No Entry Chess. Bar the opponent's access to one square after each of your moves. Author: Ed Friedlander. Inventor: David B. Pritchard.
- No Limit Bet Chess. A gambling multi-move chess variant played with dice that allows players to place bets on each move. (8x8, Cells: 64) By Charles Daniel.
- No Stress Chess. Chess with additional cards that tell which piece to move and how it moves. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Todd Kurtzer and John Zaruba.
- No-Chess. Forbid one move to your opponent each turn. (8x8, Cells: 64) Author: Zoltan Blazsik and Hans L. Bodlaender. Inventor: Zoltan Blazsik.
- No-Retreating Chess. A varient where you can't retreat until you get to the last rank. (8x8, Cells: 64) By Calvin Jack Pomerantz.
- No-Yes! Chess. French commercial variant with an element of chance. By Luc Queyrel.
- Noble Wing Chess. Missing description (8x8, Cells: 64) By Mark Simpson.
- Noble WingS Chess. Missing description (8x8, Cells: 64) By Mark Simpson.
- Non-Prise Chess. Only kings and pawns can capture queens, rooks, bishops, or knights. Author: Ed Friedlander. Inventor: Bruce Zimov.
- Non-prise Chess. Queens, rooks, knights, and bishops cannot take each other. (8x8, Cells: 64) By Bruce Zimov.
- Nonary Chess. King or queen are optionally swapped with a bishop before play begins (with zrf). By M Winther.
- Norwegian Chess. Q/N and B/R transform after each move. Author: Ed Friedlander.
- Nostromo. As Ripley, save astronauts from the Alien. (8x8, Cells: 64) By Ilya Yudovski.
- Nuclear Chess. Play Nuclear Chess on the Play-By-Mail System! Author: Jason Shields and Tony Quintanilla. Inventor: Jason Shields.
- Nuclear Chess . Program that plays Nuclear Chess on Linux or Mac OS X. Author: Harald Bartel. Inventor: Jason Shields.
- Nuclear Chess. When pieces take, the square becomes impassable and all surrounding pieces disappear. (8x8, Cells: 64) By Jason Shields.
- Nuclear Chess Play-By-Mail game. Examine this game! Author: Jason Shields and Tony Quintanilla. Inventor: Jason Shields.
- Null chess. Capture squares are destroyed when vacated. Author: Ben M Reiniger. Inventor: Philip M. Cohen.
- Null Chess. Squares on which captures have taken place can no longer be visited. Author: Ed Friedlander. Inventor: Philip M. Cohen.
- Numericron Chess. Score points by attacking enemy units. Author: Ed Friedlander. Inventor: Bruce Trove.
- Nuthouse . Missing description By Yu Ren Dong.
- Nuthouse. Missing description (2x(8x8), Cells: 128) By Yu Ren Dong.
- Objective Bastardo. Cut-throat four-player variant where each player has a secret objective. Author: Ed Friedlander.
- 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.
- Octa-Ashtapada. 8x8x8 variant with powerful armies and the potential for multiple royal pieces per side. By Larry L. Smith.
- 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.
- Odds Chess . Ways of giving a weaker opponent better odds. Author: Roger Cooper.
- Odds Chess. Ways of giving a weaker opponent better odds. (8x8, Cells: 64) Author: Roger Cooper.
- Off Board Chess Pieces. Each side has off board pieces which can be used only once in a game. By Ronald Drinning.
- Official Football Chess. Variant from the 1960's with pieces replaced by football players. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Ogi. Missing description By Cyril Veltin.
- Ohm's Chess. A fun combination of Chess and Dota. (8x8, Cells: 64) By Rushil Baweja.
- OK Chess . After the first move, Pawns can advance any distance. Author: Gary Baydo. Inventor: Clifford Merry.
- Okapi Chess. Regular chess, except that Knights are replaced by Okapis. (8x8, Cells: 64) By Bob Greenwade.
- One or Two. Make a normal move, or denote two pieces for which your opponent chooses how they must be moved. (8x8, Cells: 64) By Ralph Betza.
- One Way Chess . Missing description By Adrian Alvarez de la Campa.
- One-Eye Chess (Blind). Kriegspiel variant where one side can see, but lacks both Knights, a Bishop and the Queen. Author: Ed Friedlander.
- One-Eye Chess (Sighted). Kriegspiel variant where one side can see, but lacks both Knights, a Bishop and the Queen. Author: Ed Friedlander.
- OOmost Chess. All movement in this variant is a form of castling. (8x8, Cells: 64) By Ralph Betza.
- Option Chess. Missing description (8x8, Cells: 64) Author: (zzo38) A. Black. Inventor: Paul Bonham.
- Option-Suicide Chess. You can optionally destroy your own pieces. (8x8, Cells: 64) By (zzo38) A. Black.
- Orda Chess. Asymmetric variant where one army has pieces that move like knights but capture differently. By Daniel Lee.
- Orda Mirror. Symmetric battle using the Horde armies from Orda Chess. By Daniel Lee.
- Original Kriegspiel. With help of a referee, two players move without knowing the moves of the opponent (captured piece types revealed). Author: Ed Friedlander. Inventor: Henry Michael Temple.
- Orphic Chess. Before the King is dropped the pieces can only capture. A very tactical and fast variant. By M Winther.
- Orphic Chess (with Elks). Before the King is dropped the pieces can only capture. A very tactical and fast variant, with Elks. By M Winther.
- Orthodia. Break your orthogonal and diagonal patterns! (Two versions). (8x8, Cells: 64) By Lev Grigoriev.
- Óskar's 3dchess. Missing description (5x(8x8), Cells: 320) By Hafsteinn Kjartansson.
- Óskar's 3dchess version 2. Missing description (5x(8x8), Cells: 320) By Hafsteinn Kjartansson.
- Outpost Chess. Win by occupying a designated square in enemy territory for one move. Author: Ed Friedlander.
- Overkill Chess. Paired pieces are compounds of 2 FIDE elements, King's partner of all three. (8x8, Cells: 64) By Charles Gilman.
- OverKnight Chess. Pawns are replaced by Knights, which promote. (8x8, Cells: 64)
- OverKnight Chess. Pawns are replaced by Knights, which promote. Author: Ed Friedlander.
- OverKnight Chess. Pawns are replaced by Knights, which promote. Author: Tony Quintanilla
- Overprotection Chess. If an attacked piece is more often defended than it is attacked, it gains extra powers. (8x8, Cells: 64) By Ralph Betza.
- P.O.C.: Progressive 007 Chess. Which pieces one moves are determined by throwing dice. (8x8, Cells: 64) Author: Bill Taylor.
- Paco Shako. Pieces coexist peacefully on target square after capture. Author: H. G. Muller. Inventor: Felix Albers.
- Palace Ninja Guards. A pair of short-range diagonal leapers and four extra squares are added to the standard chessboard and pieces. (8x8, Cells: 68) By Charles Daniel.
- Palace Ninja Guards . A pair of short-range diagonal leapers and four extra squares are added to the standard chessboard and pieces. By Charles Daniel.
- Palace Ninja Guards. A pair of short-range diagonal leapers and four extra squares are added to the standard chessboard and pieces. By Charles Daniel.
- Paletta's Modest ARRAY variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest CAPTURE RULE variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest GOAL variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest MOVEMENT RULE variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest PAWN variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest PIECE variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Paletta's Modest TURN variants. Missing description (8x8, Cells: 64) By Tony Paletta.
- Palindromic Chess. Play until the position on the board is the reversed of the starting postion. (8x8, Cells: 64) By David Howe.
- Paloma Chess. Game with Royal Queen, promotable Kings, and an unusual array. Author: Tony Quintanilla. Inventor: Becca Rabong.
- Paloma Chess. Game with Royal Queen, promotable Kings, and an unusual array. (8x8, Cells: 64) and Becca Rabong. Inventor: Becca Rabong.
- Parachute Anywhere Chess. Pieces teleport anywhere without capturing or threatening pieces. Author: Ed Friedlander. Inventor: Edward Jackman.
- Paradigm Chess30. Chess with Dragon Bishop and 30 positions. By Craig Willenberg and Lourenzo Van Niekerk.
- 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.
- Paramount Parafigures. An army where some pieces are triply-divergent. (8x8, Cells: 64) By HaruN Y.
- Parsi Chess. 19th century southern Indian chess variation. (8x8, Cells: 64) Author: John Ayer. Inventor: _unknown.
- Partnership Chaturanga. Missing description (8x8, Cells: 64) By Jose Carrillo.
- Partnership Mitregi. Unthemed 4-player variant with most pieces always moving toward or across the River. (8x8, Cells: 64) By Charles Gilman.
- Passive ultima. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Patrol Chess. A unit may not capture or give check unless it is supported. Author: Ed Friedlander. Inventor: Federik Hendrik von Meyenfeldt.
- Patrol chess. In order to capture or give check, a piece [including kings] must be `observed' by another piece of the same player. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Federik Hendrik von Meyenfeldt.
- Patrol chess. More problems from CCM. Author: Juraj Lörinc.
- Patt-schach (Stalemate chess). Players start with an illegal move from a stalemated position. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Pattern Chess. Use and overcome the pattern. (8x8, Cells: 64) By Gerd P. Degens.
- Paul Schoolong's chess . Missing description By Yu Ren Dong.
- Paulowich's Chancellor Chess . A proposal to play chancellor chess with chancellors and queens in the corner on 8 by 8 board. Author: Marek14 . Inventor: David Paulowich.
- Paulowich's Chancellor Chess. A proposal to play chancellor chess with chancellors and queens in the corner on 8 by 8 board. (8x8, Cells: 64) By David Paulowich.
- 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.
- Pawn Chess. Pawns promote to first piece captured by opponent. (8x8, Cells: 64) Author: (zzo38) A. Black.
- Pawn Eaters. Win by capturing 8 pawns. Uses Shamanic Rooks, Pawn Eaters, Old Y Mover Elephants, and traditional Knights. By Gary K. Gifford.
- Pawn Eaters. Win by capturing all your opponent's pawns. Game includes ancient Y-movers, Shaman Rooks, and Pawn-Eaters. (8x8, Cells: 64) By Gary K. Gifford.
- Pawn Less Chess. New pieces, no pawns, and 20 squares removed from the 8 by 8 board. (8x8, Cells: 44) By Uri Bruck.
- Pawn Less Chess . Different pieces, no pawns, and 20 squares removed from the 8 by 8 board. By Uri Bruck.
- Pawn Massacre Chess. Non-pawn pieces swap initial ranks. By Jeff `Cavebear` Stroud.
- Pawn Massacre Chess. Black pieces start behind white pawns and vice versa. Author: Ed Friedlander. Inventor: Jeff `Cavebear` Stroud.
- Pawn Odds Chess. White starts without the king's bishop's pawn. Author: Ed Friedlander.
- Pawn Progression Chess. Pawns on advanced ranks move differently. Author: Ed Friedlander.
- Pawn Pusher Chess . Pawns can not move by themselves on a player's side of the board, they must be pushed by other pieces. Author: Marek14 . Inventor: Tony Paletta.
- Pawn Shooter Chess. Defeat your opponent by shooting pawns at them! (8x8, Cells: 64) By (zzo38) A. Black.
- Pawn Vault Chess. johnnyluken. (8x8, Cells: 64) By Johnny Luken.
- Pawn-Only Chess . Training chess variant. Only pawns, first promotion wins. Author: Marek14 .
- Pawn-Only Chess. Training chess variant. Only pawns, first promotion wins. (8x8, Cells: 64) Author: Pavel Tikhomirov.
- Pawn-Only Chess . Training chess variant. Only pawns, first promotion wins. Author: Uwe Wiedemann.
- Pawnless vs. Pawnful FIDE. Which side do you think will win? The one with the queen or the one with the pawns? By Jeremy Gabriel Good.
- Pawns Chess. Each pawn has a unique ability. (8x8, Cells: 64) By David Howe.
- Pawns-to-Kings Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Pawntrooper chess. Missing description (8x8, Cells: 64) By Karl Prosser.
- Peasant Revolt. Modest variant with unequal setup. Author: Tony Quintanilla. Inventor: George Whelan.
- Peasant Revolt. Modest variant with unequal setup. (8x8, Cells: 64) Author: George Whelan. Inventor: R. L. Frey.
- Peasant Revolt Chess. Eight pawns vs. three knights and pawn. Author: Ed Friedlander. Inventor: R. L. Frey.
- Peg Chess. A terrain-based chess variant. (8x8, Cells: 64) By John Smith.
- Pent-Ashtapada. A hybrid of Maack's Raumschach and Kogbetliantz' 8x8x8 game. By Larry L. Smith.
- Pentagonal chess. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Perfect Chess. Like Tutti Frutti Chess but with a different array. Author: Jeremy Gabriel Good. Inventor: Köksal Karakus.
- Perier Chess. Introducing the Perier Cannon in a Western piece context (with zrf). By M Winther.
- Perimeter Chess . Pieces other than Pawns and Kings move differently when moving to or from edge squares. Author: Marek14 . Inventor: Tony Paletta.
- Peter Ganine's Superba Set. Photos of the Superba (a.k.a. Gothic) pieces designed by Peter Ganine. Author: Fergus Duniho.
- Peterson's 3-d Space Chess. Improved rules for Space chess. (3x(8x8), Cells: 192) By Derick Peterson.
- Petteia XXI. A 21st century variant on an ancient Draughts-like game of the Roman empire. (8x8, Cells: 64) By Jose Carrillo.
- Phalanx Chess. Introducing the Phalanx pawn that can swap place with piece in front (with zrf). By M Winther.
- Phantom. Classical Chess featuring an invisible Phantom piece. By Simon Edward Jepps.
- Phantom Chess. Undefended pieces become "phantoms". (8x8, Cells: 64) By Adrian Alvarez de la Campa.
- Pickle Pot Chess (Blind). Kriegspiel variant where one side can see, but lacks both Knights, a Bishop and both Rooks. Author: Ed Friedlander.
- Pickle Pot Chess (Sighted). Kriegspiel variant where one side can see, but lacks both Knights, a Bishop and both Rooks. Author: Ed Friedlander.
- 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.
- PieceEater Chess . Yet another game with an indestructible randomly-wandering neutral piece. By Peter Aronson.
- PieceEater Chess. Yet another game with an indestructible randomly-wandering neutral piece. (8x8, Cells: 64) By Peter Aronson.
- Pied Color Chess. Oh no! All the colors on the board have been scrambled -- however will the pieces move? (8x8, Cells: 64) By Ralph Betza.
- Pierre Menard's Chess Variant. As described by Jorge Luis Borges. By Jeff Rients.
- Pilgrim Chess. A new method of introducing an extra piece to the standard board (with zrf). By M Winther.
- Pillar Chess. Variant with elements from Pillar Checkers. Captured pieces are stacked beneath the capturing piece, stacks can be split. (8x8, Cells: 64) Author: Sergey Sirotkin.
- Pillow Chess . Chess on a Pillow-shaped board. Author: Abdul-Rahman Sibahi. Inventor: Grant Cairns.
- Pink Chess. White has two Kings, black two Queens as royal pieces. By H. G. Muller.
- Pioneer Chess. A new method of introducing an external piece on the orthodox board (with zrf). By M Winther.
- Pioneers Chess. An elegant solution to draws in chess. (8x8, Cells: 64) By Luis Bolaños Mures.
- Pitcher Chess. Introducing the Pitcher pawn that can catapult posterior piece. By M Winther.
- Placement. Only kings start on board; other pieces are dropped to home square and then moved. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Walter Weiss.
- Placement Chess. King and queen are swapped before play begins, generating FRC subset (with zrf). By M Winther.
- Placement Chess. King and queen are swapped with another piece, except rook, and creating a new mirrored position (with zrf). By M Winther.
- Placement Random Chess (Chess 20). The piece setup is randomized following Placement Chess rules, generating 20 modest Fischer Random positions. By M Winther.
- Plaid Chess. Progressive Grid chess. Author: Ed Friedlander. Inventor: W. H. Rawlings.
- Platform Chess. Pieces move normally or ride on 2x2 platforms that move themselves. (8x8, Cells: 64) By Robert Price.
- Platform Chess . Pieces move normally or ride on 2x2 platforms that move themselves. By Robert Price.
- Play-test applet for chess variants. Applet you can play your own variant against. By H. G. Muller.
- Play.Chessvariants.com. The subdomain for playing Chess variants. Author: Fergus Duniho.
- PlayStrategy. Free site with open source code which lets you play several famous abstract board games. (8x8, Cells: 64) By Lev Grigoriev.
- PlunderChess . Commercial chess variant where pieces gain right to move like a piece they captured. Inventor: Jeff Knight.
- Plunderchess: Pictures and a review. Commercial variants where capturing gains the right to move once as the captured piece. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Jeff Knight.
- Plutonian Test Chess. Fictitious Variant for Testing Purposes. By Steven Streetman.
- Pocket Mutation Chess. Take one of your pieces off the board, maybe change it, keep it in reserve, and drop it on the board later. Author: Tony Quintanilla and Fergus Duniho. Inventor: Michael Nelson.
- Pocket Mutation Chess . Take one of your pieces off the board, maybe change it, keep it in reserve, and drop it on the board later. By Michael Nelson.
- Pocket Mutation Chess. Take one of your pieces off the board, maybe change it, keep it in reserve, and drop it on the board later. (8x8, Cells: 64) (Recognized!) By Michael Nelson.
- Pocket pieces thematic tourney. Chess problem composition tournament. Closing date April 30, 2002. Author: Juraj Lörinc.
- Poison Pawn Chess. Capture the wrong pawn and you lose. Author: calebmcc111. Inventor: Samay Raina.
- Poker Chess. Squares contain cards, and players win by forming poker hands with the cards on the squares occupied by their pieces. (8x8, Cells: 64) By Ralph Betza.
- Pole Chess. Missing description (8x8, Cells: 64) Author: Mark Thompson. Inventor: Piers Anthony.
- Pole Chess . F.I.D.E. chess with Pole piece added: from the SF/fantasy novel "Robot Adept". Author: Malcolm Webb. Inventor: Piers Anthony and Malcolm Webb.
- Polymorph Chess . Knights and Bishops can morph into each other or into combined pieces. By Greg Strong.
- Polymorph Chess. Knights and Bishops can morph into each other or into combined pieces. Author: Tony Quintanilla. Inventor: Greg Strong.
- Polymorph Chess. Knights and Bishops can morph into each other or into combined pieces. (8x8, Cells: 64) By Greg Strong.
- Polypiece Chess. Each time a piece moves, all pieces of that type on both sides change their move. (8x8, Cells: 64) By Ralph Betza.
- Portal Chess. Two boards and pieces can teleport from one board to another. Also playable with two half-boards. (8x8, Cells: 64) By David Howe.
- Portugese Progressive Chess. Progressive chess variant where you move each piece at most once. (8x8, Cells: 64) By João Pedro Neto.
- Positional 3-D Chess. 3D games using position to determine how to move from board to board. Author: Tony Quintanilla and Antoine Fourrière. Inventor: George William Duke.
- Pot-Hole Chess. Game where pot-holes open up on the board at random times. (8x8, Cells: 64) Author: Peter Spicer and Michael Chamberlain. Inventor: Peter Spicer.
- Potential/Demotion Chess . Pieces may move like lower-ranked piece, but when doing so, become that lower ranked piece. By Peter Aronson.
- Potential/Demotion Chess. Pieces may move like lower-ranked piece, but when doing so, become that lower ranked piece. (8x8, Cells: 64) By Peter Aronson.
- Power Mover. A variant of Hostage Chess with self-capture, promotion and demotion. (8x8, Cells: 64) By Kazuto Asai.
- PowerChess . Chess with two extra squares on the middle rows. Inventor: Gerd P. Degens.
- Powerchess . Players have 24 pieces to start, with four new piece types.
- Preference Poll for 1st GC Tournament. Rank your preferences for which games you would like to play in the first Game Courier tournament. Author: Fergus Duniho.
- Preferred format of HTML code. Our guidelines on writing HTML code for submissions to our site. Author: Hans L. Bodlaender and Fergus Duniho.
- Presto chess. First player who checks with untakable piece wins. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Lawrence Crane.
- Pretentious Chess. Pieces can move as and demote to a Knight. By Adrian Alvarez de la Campa.
- Pretentious Chess. All Pieces can move as and demote to a Knight. (8x8, Cells: 64) By Adrian Alvarez de la Campa.
- Prime.Ministers Contemporary Random Chess. Missing description (8x8, Cells: 64) By Jose Carrillo.
- Primitive Chess . Short-range major pieces and no pawns, but a piece like an apprentice for each major piece. Author: Marek14 . Inventor: Köksal Karakus.
- Primitive Chess. Short-range major pieces and no pawns, but a piece like an apprentice for each major piece. (8x8, Cells: 64) By Köksal Karakus.
- Prince . 3-D Chess variant using an 8x8x8 board and many new pieces. Author: Larry L. Smith. Inventor: Gavin Smith.
- Prince. 8x8x8 3-D variant with new pieces. (8x(8x8), Cells: 512) Author: Gavin Smith and Larry L. Smith. Inventor: Gavin Smith.
- The Princess and The Warrior . Pieces' moves are limited by their current rank except for the two new pieces. By Adrian Alvarez de la Campa.
- Prisoners. Captured pieces move to second chess board. By Ronald Drinning.
- Privacy Policy. What information we keep about you and how we protect your privacy. Author: Fergus Duniho.
- ProCycle Chess. Individual pieces promote one by level after each played move. By Ken Franklin.
- Programming Piece Movement in Game Courier. A tutorial on two different ways to program piece movement in Game Courier. Author: Fergus Duniho.
- Progression. Instead of promoting, pawns gain powers when they advance. (8x8, Cells: 64) Author: John Love-Jensen.
- Progressive 007 Chess. Players play increasing numbers of moves each turn, but which color you move simply alternates. Author: Ed Friedlander.
- Progressive Absorption Chess. Very popular in Italy. Author: Ed Friedlander.
- Progressive Chess. Several variants where white moves one time, black twice, white three times, etc. (8x8, Cells: 64) (Recognized!) Author: Alessandro Castelli.
- Progressive Chess . A collection of variants with increasing numbers of moves each turn. Author: Young-Hyun Joo.
- Progressive Chess . An online guide to Progressive Chess. Author: Doug Hyatt.
- Progressive Forwards Chess. Progressive chess where pieces may only move forwards. (8x8, Cells: 64) By Hans L. Bodlaender.
- Progressive Give-Away Chess. Giveaway chess played in progressive fashion. (8x8, Cells: 64) Author: Andrea Mori and Alessandro Castelli.
- Progressive Mutation Chess. Missing description Author: Ed Friedlander.
- Progressive Writing Chess. You have to write more and more each turn. (8x8, Cells: 64) By (zzo38) A. Black.
- Promethean Chess. Units visiting the home squares of others leave behind duplicates. Author: Ed Friedlander.
- Promote King Chess. King can promote into Cthulhu, and white pawns can promote into black pawns. (8x8, Cells: 64) By (zzo38) A. Black.
- Promotion progressive chess. Progressive chess variant where a piece `promotes' when it takes. (8x8, Cells: 64) By Fabio Forzoni.
- Proselyte Chess. Missing description (8x8, Cells: 64) By Larry L. Smith.
- Protomorphic-Chess. Start with only kings (and pawns), pieces change to different type after move. (8x8, Cells: 64) By (zzo38) A. Black.
- Proximity Chess. Players must move pieces nearest to the arrival square of the last piece moved. (8x8, Cells: 64) Author: Greg Strong. Inventor: W. H. Rawlings.
- Push Chess. Pieces don't capture, but instead push each other off of the board. Author: Ed Friedlander. Inventor: Fred Galvin.
- Push Chess . Pieces don't capture, but instead push each other off of the board. Author: Marek14 . Inventor: Fred Galvin.
- Putback Chess. A slight variation of Replacement Chess. Captured pieces must be put on an empty square on the board. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Puzzle Shatranj. Shatranj on a 15 puzzle. (8x8, Cells: 60) By John Smith.
- PyChess. A free, open-source chess server designed to play several chess variants. (8x8, Cells: 64) Author: Fergus Duniho.
- Pyrrhus Chess. Introducing the terrible Pyrrhus that can paralyse enemy pieces with its gaze (with zrf). By M Winther.
- Pyrrhus Chess. The Pyrrhus moves like a king but paralyzes enemy pieces at queen's distance (with zrf). By M Winther.
- Quang Trung Chess (4th edition). Variant with standard equipment, with different moving pieces, and elements of Xiangqi and FIDE-chess. (8x8, Cells: 64) By Vu Q Vo.
- Quantum Chess. Chess meets Quantum Physics. Author: Fergus Duniho.
- Quantum Chess. Pieces may teleport, provided their start and end squares are unobserved. Author: Ed Friedlander. Inventor: Stephen Tavener.
- Quantum Chess. Chess with a quantum mechanical twist. By Stephen Tavener.
- Quapent. Missing description By Joe Watson.
- Quarter Chess. Missing description (8x8, Cells: 64) By Patrik Hedman.
- Queen of the Night Chess. An over powered game on the Standard Board. By Abdul-Rahman Sibahi.
- Queens. A game with 7 queens and no pawns. (8x8, Cells: 64) By Gerd P. Degens.
- Queens (conquer style). A game with 7 queens and no pawns. (8x8, Cells: 64) By Gerd P. Degens.
- Queens and Pawns . Try to arrange nine Queens and a Pawn on a standard Chess board so that none of them attack each other. Author: Doug Chatham.
- Queens Left Chess. Black king and queen reverse position in setup. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Quest-Chess. Players make 10 moves per turn but opponents get chance to react on checks and taking of pieces in between. (8x8, Cells: 64)
- R-Chess . Captured pieces are held in reserve and then dropped. By Marcello Netto.
- Race Chess. On a circular board where white and black pawns move in the same direction. (8x8, Cells: 64) By Ralph Betza.
- Racing Kings. Missing description By Abdul-Rahman Sibahi.
- Racing Kings. From a special setup, be the first to have your king reach the last row. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Vernon Rylands Parton.
- Radical Chess . Commercial chess variant with 16 different pieces. Inventor: Daryl Fazekas.
- Radioactive Queen Chess. White has a little diff in setup, but great diff in the game. (8x8, Cells: 64) By Lev Grigoriev.
- Raft Chess. Part of the board is a lake, where rafts can transport pieces. (8x8, Cells: 64) Author: Jörg Knappen.
- Random Move Number Chess. A die now controls the number of moves a player makes each turn. Luck and skill required to win! (8x8, Cells: 64) By Charles Daniel.
- Random Pawns. Randomly select your Pawns' movement and capture abilities. (8x8, Cells: 64) By Gavin King.
- Random Pieces. A 20 game match is played, with each player receiving a number of pieces equal in value to the game number. (8x8, Cells: 64) By Roger Cooper.
- Random Transposal Chess. Use dice to swap pieces. (8x8, Cells: 64) By John Smith.
- Random Wormhole Chess. Introduces "wormholes" and "toroidal" movement in a fun and manageable way. (8x8, Cells: 64) By Adrian Alvarez de la Campa.
- Random-Drop Chess . Missing description By Namik Zade.
- Randomscorpions Chess. The Scorpions are randomly distributed on the 2nd and 3rd rank. Otherwise regular setup. By M Winther.
- Rank and File Chess. Move from Most Crowded Row. (8x8, Cells: 64) By George William Duke.
- Raumschach - picture from the book. Pictures from book on Raumschach from beginning 20th century. Author: Hans L. Bodlaender. Inventor: Dr. Ferdinand Maack.
- Raven Chess. Kings move like queens and leap over friendly pieces, but cannot move through check. (8x8, Cells: 64) Author: John Love-Jensen. Inventor: John Love-Jensen and Richard .
- Ravioli Chess. Chess on two boards squeezed together at the edges. (2x(8x8), Cells: 100) By Antoine Fourrière.
- Ravioli Chess . Chess on two boards squeezed together at the edges. By Antoine Fourrière.
- Ravioli Chess. Chess on two boards squeezed together at the edges. By Antoine Fourrière.
- RChess. A news site on Chess. (8x8, Cells: 64) Author: Fergus Duniho.
- 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.
- Ready Chess. A move must be used to restore a unit's ability to capture, except for the king. Author: Ed Friedlander. Inventor: Tony Quintanilla.
- Ready Chess . Pieces cannot capture right after capturing, they have to be restored first. By Tony Quintanilla.
- Ready Chess. Play this game, where pieces cannot capture right after capturing, they have to be restored first! By Tony Quintanilla.
- Ready Chess. Pieces cannot capture right after capturing, they have to be restored first. (8x8, Cells: 64) By Tony Quintanilla.
- Real chess. Players start with placing their major pieces. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: E. I. Csaszar.
- Realm chess. Board is divided into realms and multiple pieces can move into and out of a realm in one turn. (8x8, Cells: 64) By Edward Jackman.
- Rebel Chess. King's Pawn is replaced by Recruiter piece that moves like an Alfil and can change a piece's side. (8x8, Cells: 64)
- Rebel Chess . King's Pawn is replaced by Recruiter piece that moves like an Alfil and can change a piece's side. Author: Peter Aronson.
- Rebellion chess. Besides normal moves, you can move a piece of the opponent. (8x8, Cells: 64) By Ralph Betza.
- Recapitulative Chess. Variant where the Queen, Rook and Bishop have their older moves until promoted. (8x8, Cells: 64) By Charles Gilman.
- Recapturable Chess. Captured pieces belong to other player and then removed permanently. (8x8, Cells: 64) By (zzo38) A. Black.
- Recaptureless Chess. A unit which has just captured is itself invulnerable to capture for the move. Author: Ed Friedlander. Inventor: Tony Paletta.
- Recognized Chess Variant: Magnetic Chess. Missing description Author: Hans L. Bodlaender. Inventor: João Pedro Neto and Claude Chaunier.
- Recruiter Chess. Capturer recruits on adjacent squares. Author: Ed Friedlander. Inventor: Terry H. Jones.
- Rectahex Chesss. A chess variant that looks like hexagonal chess but can be played on a normal chess board. (8x8, Cells: 64) By Ralph Betza.
- Recycle Chess. Players can capture and drop their own pieces. (8x8, Cells: 64) By Robert Huber.
- Recycle Chess. You may capture your own units and replace them on the board. Author: Ed Friedlander. Inventor: Robert Huber.
- Red Castle Chess. Red king and QR cannot move except to castle, which wins for Red. Author: Ed Friedlander.
- Reduced Endgame Chess. Two kings and six pawns are used for practicing endgames. (8x8, Cells: 64) Author: David Howe.
- Reduced Endgame Chess . Two kings and six pawns are used for practicing endgames. Author: Uwe Wiedemann.
- Reflection teammate. Missing description (8x8, Cells: 64) By Daniil Frolov.
- Reflex Chess. Force your opponent to mate you. (8x8, Cells: 64) Author: David Howe. Inventor: William Geary.
- Reflex Chess. Force your opponent to checkmate. Author: Ed Friedlander. Inventor: William Geary.
- Reformed Chess. Introducing a new pawn swapping capability intended to solve the problem of drawishness in chess (with zrf). By M Winther.
- Reformed Chess. Pawn can swap with an enemy piece located on the last rank, except king. Thusly, many more won endgames (zrf available). By M Winther.
- Refusal Chess. Refuse your opponent to make certain moves. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Fred Galvin.
- Refuse Once Chess. You may refuse one enemy move per game. By Ed Friedlander.
- Regement Random Chess. Pieces are relocated to create a modest setup that most chessplayers will feel at home in (+ zrf). By M Winther.
- Regiment Chess. Black determines king position, white can swap the queen before play begins (with zrf). By M Winther.
- Relative Lumberjack. Pieces move the same as other pieces in its file. (8x8, Cells: 64) By John Smith.
- Relativistic Chess. Squares attacked by the opponent are considered not to exist. Author: Robert Price. Inventor: Kevin Whyte.
- Relativistic Chess. Squares attacked by the opponent are considered not to exist. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Kevin Whyte.
- Relativistic Chess. http://www.chessvariants.org/boardrules.dir/relativistic.html. By Carlos Cetina.
- Relay Chess. Pieces inherit the ability of friendly pieces they are in the attack range of. (8x8, Cells: 64) By Johnny Luken.
- Relocation Chess. Swap a pair of your own pieces before you begin. With Fischer Random castling rules. By M Winther.
- Relocation Chess. A remarkably easy method of rearranging the standard array of pieces (with zrf). By M Winther.
- Remote Sensing 8 x 8. An 8 x 8 version of Remote Sensing. By Gary K. Gifford.
- Rental Chess. You must pay rent for the squares where your pieces are: centre squares are more expensive. (8x8, Cells: 64) By Ralph Betza.
- Repatriation Chess. Pairs of captured units are returned to the board. Author: Ed Friedlander. Inventor: Tony Paletta.
- Repeating Chess. Usually called Replacement Chess. Captured pieces must be put on an empty square on the board. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Replacement Chess. Replace your opponent's men on the board after you capture them. Author: Kevin Pacey.
- Replacement Chess. Captured pieces must be put on an empty square on the board. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Reproduction chess. The Queen is pregnant. (8x8, Cells: 64) By Piotr Smagacz.
- Reserve Chess. Units may be removed from the board and dropped back in later. Author: Ed Friedlander. Inventor: Edward Jackman.
- Retreating Chess. Pieces must fall back one square after each move. (8x8, Cells: 64) By Adrian Alvarez de la Campa.
- Retro Chess. A chess game progresses backwards from an empty board. (8x8, Cells: 64) By Mike Smolowitz.
- Retrochess. Play chess from the end of the game backwards. (8x8, Cells: 64) By João Pedro Neto and Ralph Betza.
- Rettah. Different setup and powerfull king. Taking obligatory when in check. (8x8, Cells: 64) Author: Vu Q Vo. Inventor: Vernon Rylands Parton.
- Rettah Chess. King can move as any piece but must capture its attacker. Author: Ed Friedlander. Inventor: Vernon Rylands Parton.
- Revenge of the King. http://xn--perlebr-bxa.de/2010/02/Vergeltung-des-K%C3%B6nigs. (8x8, Cells: 64) By Martin Janecke.
- Reversi Chess. Pieces closed in on a line can be converted to the other side. (8x8, Cells: 64) By Terry H. Jones.
- Review New Submissions. A listing of all submissions still awaiting editorial approval.
- Review: 303 Tactical Chess Puzzles. Book of Fred Wilson and Bruce Alberston to train chess combination skills. Author: Hans L. Bodlaender.
- Revised Chess. A revision of Fide-chess: a pawn on the seventh rank can also capture forwards. Makes chess much less drawish (with zrf). By M Winther.
- Revised Chess. The pawn can also capture forwards if positioned on 7th rank. Thus, many more won endgames (zrf included). By M Winther.
- Rifle Chess. Take a move to capture an enemy piece without moving the capturing piece. Author: Kevin Pacey. Inventor: W. B. Seabrook.
- Rifle Chess. Units capture without moving. Author: Ed Friedlander. Inventor: W. B. Seabrook.
- Rifle Chess. Pieces are taken by shooting: capturing without moving. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: W. B. Seabrook.
- Rifle Chess . Pieces are taken by shooting: capturing without moving. Author: Robert Price. Inventor: W. B. Seabrook.
- Right or Left Chess . Pieces are either right-moving or left-moving and may flip from one to the other. By Adrian Alvarez de la Campa.
- River Chess . Get one of your pieces to the other side of the board. By Karl Scherer.
- River Chess. Win by getting a piece to the opposite side. Author: Ed Friedlander. Inventor: Karl Scherer.
- Robber Chess . Sliding pieces can make multiple captures, and the goal is to capture all opposing pieces. Author: Uwe Wiedemann.
- Rogue Pawn Chess . Pawns may double-move on any rank except for their starting rank. Author: Marek14 . Inventor: Tony Paletta.
- ' Roid Rage Chess. Missing description (8x8, Cells: 64) By Claudio Martins Jaguaribe.
- Rolling Chess. A game played with dice, where movement causes rolling and rolling changes piece identity. (8x8, Cells: 64) By Herb Gilliland.
- Rolling Kings . Kings must move along a predetermined path. By Peter Aronson.
- Rolling Kings. Kings must move along a predetermined path. (8x8, Cells: 64) By Peter Aronson.
- Rolling Kings. Play Rolling Kings online with Game Courier. Author: Antoine Fourrière. Inventor: Peter Aronson.
- Romanchenko's Chess. FIDE Chess trainer Romanchenko shifted the FIDE board in the middle to help his students think for themselves. Author: Jeremy Gabriel Good and Fergus Duniho. Inventor: V. Romanchenko.
- Romulan Chess. Kriegspiel variant: played with a referee where pieces cloak and uncloak. (8x8, Cells: 64) Author: Steve Kramer and Hans L. Bodlaender.
- Rook Square Chess. Enemy rook squares are royal. Author: Ed Friedlander. Inventor: Jens Baek Nielsen.
- Rookheavy Chess and Bishopheavy Chess. combining elements of Lilliputian Chess, Isis, Mongolian Chess, and crooked linepieces. (8x8, Cells: 64) By Charles Gilman.
- Rooksquare Chess . Win by moving piece to corner at opponent's side. Author: Uwe Wiedemann. Inventor: Jens Baek Nielsen.
- Rooksquare Chess. Win by moving piece to corner at opponent's side. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Jens Baek Nielsen.
- Rotating Cylinder Chess. Positions of pieces rotate one square to the right after each move. (8x8, Cells: 64) By John Smith.
- Rotation Chess. Every ten turns, you switch and play the other player's units. Author: Ed Friedlander.
- Rotation Chess. Every 10th move, the board is turned around. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Rotation Chess. Every ten moves, switch sides with your opponent. How might you prepare for the demise of the pieces you are playing? Author: Jeremy Gabriel Good and Adrian Alvarez de la Campa.
- Royal Amazon Chess . Queens are replaced by Royal Amazons. By Peter Aronson.
- Royal Amazon Chess. Queens are replaced by Royal Amazons. (8x8, Cells: 64) By Peter Aronson.
- Royal Bishop Chess. Simple variant with royal bishop. (8x8, Cells: 64) By QIDb602.
- Royal CannonChess. Pieces next to the king can capture forwards by a cannon leap. By M Winther.
- Royal Magician Chess. Missing description Author: Ed Friedlander. Inventor: Gary K. Gifford.
- Royal Magician's Chess. King and special magician piece earn the right to drop pieces when they venture out to the fourth, fifth and sixth ranks! Author: Jeremy Gabriel Good. Inventor: Gary K. Gifford.
- Royal Magician's Chess. Missing description (8x8, Cells: 64) By Gary K. Gifford.
- Royal Pawn. Missing description Author: Ed Friedlander. Inventor: Jeremy Gabriel Good.
- Royal Pawn Chess. Same as FIDE Chess, except the pawns in front of the kings are royal, meaning the object is to checkmate them and not the king. By Jeremy Gabriel Good.
- Royal Queens Chess . Game with full board and all pieces are sliders or immobile and victory is by capture of all 8 opposing Queens. Inventor: Derek Nalls.
- Royal Rumble. A 6 board all-out melee with random pieces, royals and starting positions. By Nick Wolff.
- Royal Rumble. A 6 board all-out melee with random pieces, royals and starting positions. By Nick Wolff.
- Rubble Chess . Pieces must clear out unoccupied squares before they can move through them. Author: Peter Aronson. Inventor: Adam Norberg.
- Rubble Chess. Pieces must clear out unoccupied squares before they can move through them. Author: Ed Friedlander. Inventor: Adam Norberg.
- Rubble Chess. Pieces must clear out unoccupied squares before they can move through them. (8x8, Cells: 64) By Adam Norberg.
- Ruddigore Chess. Play this Chessgi variant where you can capture your own pieces, and every other turn you must capture or sacrifice a piece! Author: Tony Quintanilla and Peter Aronson. Inventor: Peter Aronson.
- Ruddigore Chess. Chessgi variant where you can capture your own pieces, and every other turn you must capture or sacrifice a piece. (8x8, Cells: 64) By Peter Aronson.
- Ruddigore Chess . Chessgi variant where you can capture your own pieces, and every other turn you must capture or sacrifice a piece. By Peter Aronson.
- Rules of Chess: Castling FAQ. Frequent asked questions about castling. Author: Hans L. Bodlaender.
- Rules of Chess: Check, Mate, and Stalemate. Answers to frequently asked questions. Author: Hans L. Bodlaender and Fergus Duniho.
- Rules of Chess: En passant capture FAQ. Answers to some questions about the en passant capture rule. Author: Hans L. Bodlaender and Fergus Duniho.
- Rules of Chess: Kings and check. Answers to frequently asked questions on the rules of chess regarding kings and check. Author: Hans L. Bodlaender.
- Rules of Chess: Knights. FAQ on therules of chess regarding knights. Author: Hans L. Bodlaender.
- Rules of Chess: Pawns FAQ. Rules of promotion and movement of pawns explained. Author: Hans L. Bodlaender and Fergus Duniho.
- Rules of Chess: Queen FAQ. Soms answers on questions on the rules of chess, regarding queens. Author: Hans L. Bodlaender.
- Rules of Chess: The 50 moves rule. Answer to a frequently asked question on the rules of chess. Author: Hans L. Bodlaender and Fergus Duniho.
- Russian Chess. Pieces are not removed when captured, but stacked. (8x8, Cells: 64) Author: Ivan Derzhanski.
- Russian progressive chess. Progressive chess variants where one occasionally moves a piece of the opponent. (8x8, Cells: 64) By Sergey Sirotkin.
- Sacred King Chess . It is not legal to check your opponent's King, so victory is by stalemate or bare King. By Peter Aronson.
- Sacrifice chess. Instead of a normal move, you may sacrifice a pawn. (8x8, Cells: 64) By Robert Shimmin.
- Sacrificial chess. Missing description (8x8, Cells: 64) By Rose Thorpe.
- 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.
- Sanctuary Chess. Archbishop and Swiss Guard replace Queen and King; no checkmate. Author: Tony Quintanilla
- Sanctuary Chess. Archbishop and Swiss Guard replace Queen and King; no checkmate. (8x8, Cells: 64)
- Sanctuary Chess. Archbishop and Swiss Guard replace Queen and King; no checkmate. Author: Ed Friedlander.
- SC-Chess. Variant of Hostage Chess which allows self-capture and other minor rule changes. (8x8, Cells: 64) By Kazuto Asai.
- Scacchi Eterodossi Club. Italian/English website for online playing of chessvariants. Author: Filiberto Pivirotto.
- Sceptre 1027. Photo's of a set of this commercial multiplayer chess variant of the 1980's. Author: Simon Westenra.
- Sceptre 1027 A.D.. Large, commercial, multiplayer chess variant. (9x(8x8), Cells: 576) Author: David Howe.
- Schach-B. One selected from among the Fischer Random boards, also known as Fischer Random position # 542. Author: Jeremy Gabriel Good. Inventor: M Winther.
- Schachdame. Variant between Checkers and Chess. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Heinrich Richter.
- Schachdame Chess. Pawns, a bishop, and a royal ferz. Author: Ed Friedlander. Inventor: Heinrich Richter.
- Schada - Het Wereld Spel. A crossover between Chess and Draughts from the 1930's. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Jan Boogert.
- Schatxx. A crossover between chess and the computer board game Ataxx . (8x8, Cells: 64) By Jörg Knappen.
- Scorpion Chess. Poisonous Scorpions instead of pawns. By M Winther.
- Scorpion King Chess. King can also move as grasshopper. Author: Ed Friedlander.
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