+ "Upgrade pieces": "Upgrade pieces",
+ "Walk on a graph": "Walk on a graph",
+ "White move twice": "White move twice",
+ "Win by castling long": "Win by castling long",
+ "Xiangqi 7 x 7": "Xiangqi 7 x 7",
+
+ // Variants by categories:
+ "What is a chess variant?": "What is a chess variant?",
+ "Why play chess variants?": "Why play chess variants?",
+ "chess_v": ": to play under standard rules, with a random (or not) symmetric (or not) initial position.",
+ "vt0": "Simplified games to learn chess",
+ "vg0": "Variants with very few different pieces, and a simplified goal.",
+ "vt1": "Forced captures",
+ "vg1": "In a given position, there are generally less possible moves than in the orthodox games since you must capture.",
+ "vt2": "Transformations",
+ "vg2": "Pieces generally transform when capturing.",
+ "vt3": "Modified boundaries",
+ "vg3": "Boards which communicating sides.",
+ "vt4": "Different pawn movements",
+ "vg4": "Everything is as in the orthodox game, but pawns move unusually.",
+ "vt5": "Different armies",
+ "vg5": "Standard pieces versus a team of different pieces.",
+ "vt6": "Inspired by ball games",
+ "vg6": "Variants involving a ball, abstract or not, which must cross the board.",
+ "vt7": "New pieces",
+ "vg7": "A large variety of fairy pieces can be defined. Some very powerful like the Amazon, others rather weak like the Grasshopper.",
+ "vt8": "Augmenting pieces",
+ "vg8": "In the following variants, fairy (or not) pieces may appear later in the game.",
+ "vt9": "Several royal pieces",
+ "vg9": "In these games you must take care of two or more \"kings\".",
+ "vt10": "Unorthodox captures by replacement",
+ "vg10": "Non-standard captures, but using known mechanisms.",
+ "vt11": "Unorthodox captures - others",
+ "vg11": "Captures are generally achieved without replacement. That is to say, you don't replace the enemy piece on its square to capture it.",
+ "vt12": "Pieces changing side, shared pieces",
+ "vg12": "Pieces' owners (color) may change during the game",
+ "vt13": "Incomplete information",
+ "vg13": "Some speculation is required in these variants, where some game informations are hidden.",
+ "vt14": "Random factors",
+ "vg14": "These games include random effects, which can be funny, frustrating or both :)",
+ "vt15": "Inpired by knight movement",
+ "vg15": "Variants based on the knight move, which augment or transform pieces' abilities.",
+ "vt16": "Unusual initial setup",
+ "vg16": "Initial setup causes a lot of captures early in the game.",
+ "vt17": "\"Easy\" variants: simple rules",
+ "vg17": "Only minor changes are made to the orthodox rules, resulting in a very similar game.",
+ "vt18": "Simple rules, but not so easy",
+ "vg18": "Minor changes to the orthodox rules leading to a very different strategy.",
+ "vt19": "Initially empty board",
+ "vg19": "All pieces are progressively added from an empty board.",
+ "vt20": "Repositioning",
+ "vg20": "Pieces can be dropped on the board, either immediately or later in the game.",
+ "vt21": "Immobilization, hypnotism",
+ "vg21": "Pieces can be paralyzed or controlled under certain circumstances.",
+ "vt22": "Regional and historical variants",
+ "vg22": "(Partial) Game evolution in time and space.",
+ "vt23": "Kings race",
+ "vg23": "The goal is to cross the board with your king.",
+ "vt24": "Several moves in one turn",
+ "vg24": "In these variants, you can play two or more moves per turn.",
+ "vt25": "Single powerful piece versus army",
+ "vg25": "Very few but powerful pieces against a full army.",
+ "vt26": "Exchanging pieces positions",
+ "vg26": "Some or all pieces can be swapped.",
+ "vt27": "Different objective",
+ "vg27": "Orthodox rules, but the goal is not checkmate (or not only).",
+ "vt28": "Non-chess",
+ "vg28": "Some games not chess related.",
+ "vt29": "Change opponent's move",
+ "vg29": "You can change some enemy moves after they are played.",
+ "vt30": "Augmented pieces",
+ "vg30": "Pieces can temporarily borrow powers from others.",
+ "vt31": "Miscelleanous",
+ "vg31": "These variants are not classified yet, generally because they are the only one of their kind on this website.",