Chapter 12, Miscellanea
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Chapter 12 Miscellanea [A final chapter on the 8x8 board containing games which do not fit readily into any other class but are too few to merit chapters to themselves. Included are games where the actual rules of play on the board are wholly orthodox, but there is something in the presentation or context which takes the game out of the ordinary.] 12.1 Multiple square occupancy Bi-Place Chess (B. de Beler, 1958). A piece removed, thus forming a mixed square. Men can move to a square occupied by a friendly on a mixed square are immune to each other. piece (where they can be captured Either man on a mixed square may be simultaneously). The pieces do not combine captured by a man of the opposite colour, thus but remain independent of each other. Not forming a double square again. Either man on more than two pieces can occupy a square. a double or mixed square may vacate the The line pieces (Q, R, B) can at all times leap square at any time. A king can be an occupant friendly men (and hence check in this of a double or mixed square. All moves are as manner). An unmoved pawn can leap a orthochess. The inventor was inspired by the friendly man immediately in front of it. Ising problem in theoretical physics. (Personal (Nouveaux Jeux d’Echecs Intéressants) communication) Duperchess (Jon Spencer, 1972). Any number Stacking Chess (origins unclear, cited by Jed of men of either colour or both colours may Stone in 1982). Any number of men of the occupy a square. A player moving to a square same colour may occupy a square, hence occupied by two or more of the opponent’s squares between K and R do not have to be men may only capture one but can choose vacant in order to castle. A capture takes all which, or may elect to move to the square the men on a square. (Stone, also World Game without capturing. (Neue Chess 2) Review 10) Double Chess [Hill] (Terrell Hill, 1974). A Gregarious Chess (Bruce Trone, 1986). Any square may be occupied by two men number of men of either colour may occupy a simultaneously, either of the same colour square. A man entering a square occupied by (double square) or of opposite colour (mixed two or more enemy men may choose which to square). If a double square is entered by a man capture. A man may not move if in a square of the opposite colour, one of the two occupied by more enemy than friendly men. occupants, at the capturing player’s choice, is (World Game Review 10) 12.2 Merging of squares into regions Merger Chess (Philip Cohen, 1975). Squares or realm in which it occurs must be merged can be merged into orthogonally connected with an adjacent empty square or realm unless regions called realms. A realm may contain at every potential merger would cause self-check most five squares. Only one man may occupy or create a realm of more than five squares. a realm. If a man other than a pawn is moved The second area must be adjacent to at least to any square within a realm occupied by an one square of the first, but need not be enemy man, that man is captured (a pawn can adjacent to the capture square. Two realms capture only by moving to the square actually may not be merged if a realm-square merger is occupied). When a capture is made, the square possible. A piece may secede from a realm at 98 Games using an ordinary board and men any time, taking its square with it and perhaps secession counts as a move; exceptionally, a dividing the rest of the previous realm into king may secede and then move in the same two or more separate parts. Normally, turn. (Inventor’s rules pamphlet) 12.3 Men changing sides other than by capture Rotation Chess [Turnabout], also known as Traitor Chess (Roberto Salvadori, 1984). On Alternating, Turnabout, or Turnaround the 10th move of a game, or any time Chess (origins unknown but played by C. D. thereafter, each player has the right to Locock and T. R. Dawson in 1913). After exchange a piece or pawn (but not the king) of every 10th move of Black the board is turned his own colour with an opponent’s man of the round, and the previous ‘Black’ makes the same rank. The men change places. This is next move and continues with the White men known as the ‘unmasking’, and the man (Fairy Chess Review, August 1948). Another swapped is a ‘traitor’ who cannot version of the game has the board turned subsequently change sides again. The traitor is round after every 15 moves. Described as exposed after the opponent has played and ‘highly diverting’ and said to have had many before moving. Unmasking, which must not devotees in the north of England (Chess, July give check to one’s own king but may give 1943). A modern variant requires Black to roll check to the opponent’s, does not count as a a die after each of his moves. If a 6 turns up, move. Each player has the right to only one the board is turned round. unmasking in a game. (Eteroscacco 27) 12.4 Men automatically added or removed during play Twinkle Chess (Ralph Betza, 1977). A pawn (i.e., incest is not tolerated). The power of the is added to or taken from the board after each piece is unchanged, but when it moves away it move, at the discretion of the player. The gives birth to the man whose home square it pawn may be of either colour. Pawns can only is. Birth control is not practised and the be entered on vacant squares and then not on population is limited only by lebensraum. the 1st and 8th ranks. No more than eight Problem theme probably untested as a game. pawns of the same colour on the board at any (Extract from Fairy Chess Correspondence one time (i.e., only the normal set is used). Circle circular) Check must be met immediately. A violent game. In Blizzard Chess (Betza, 1977) only Too Many Bishops (quoted by C. Pickover, addition is allowed, and it is compulsory. In 1992). Before each move a player acquires an Buzzard Chess (Betza, 1977) only subtraction extra bishop which is placed by the opponent is allowed, and again it is compulsory; if there on any vacant square. The game ends with is only one pawn left and its removal will checkmate, when a player is unable to add a expose the turn player to check, that player bishop, or when a player cannot move loses. (Nost-algia 214/6/8) (because of a convocation of bishops). (Mazes for the Mind) Pregnant Chess, also known as Promethean Chess (Chris Tylor, 1980). A man moving to Trapdoor Chess [Betza] (Ralph Betza, 1996). the home square of another man (meaning a A man that stays on a square for five turns piece or pawn, not, understandably, a male) of falls through a trapdoor and is lost (if the K, either colour becomes pregnant. The the game is lost). Does not apply to unmoved exceptions are a king or a man of its own kind men. (Eteroscacco 75) Miscellanea 99 12.5 Passing or retracting a move Zugzwang-Free Chess (origins unknown). Princes and have the power of retracting their No obligation to move on turn unless in check. last move (or moves, if in unbroken sequence) (Gik, Schach und Mathematik) and requiring the opponent to do likewise. (Inventor’s rules pamphlet) Liars’ Chess [Betza] (Betza, 1978). At any time when you make a move, you may claim Parallel Timestream Chess (Chris Tylor, that a previous move was a ‘lie’ and that you 1981). An adaptation of the science fiction actually played so-and-so. However, you may concept of a parallel universe. Before every change only one move per turn, and all move, the player must switch the position to a subsequent moves must remain legal. Two parallel time-stream by changing an earlier further restrictions are offered as options: false move of the game. Any later move which then moves are restricted to a given percentage of becomes illegal or impossible is replaced by a the total, and you cannot claim a false move parallel move in which the man geometrically until a certain number of subsequent moves closest to the starting square of the original have been played. (Nost-algia 217, man is moved to the square geometrically Eteroscacco 49) [This was developed from a closest to its finishing square (castling being a sarcastic joke game called Watergate Chess, king move, promotion being to the type of which was inspired by events that are now piece last moved). If two or more men or over thirty years old and which David had squares are equidistant, the parallel move is decided to drop from the new edition. I think (a) from the rank furthest back to the rank he was right to do so.] furthest forward, and (b) from the file nearest the edge to the file nearest the centre. Best The Royal Game of Amber (Mark Bassett, played by correspondence. In one recorded 1981). The inventor claims that nobody wants game, White blundered on move 7 allowing to change the rules of chess - except one: that Black to mate on move 6! (The Games and you cannot take back a move. Knights are Puzzles Journal 3) 12.6 Simultaneous movement Synchronistic Chess (V.