"Queen disguised as a pawn": "Queen disguised as a pawn",
"Reuse pieces": "Reuse pieces",
"Reverse captures": "Reverse captures",
+ "Rotating board": "Rotating board",
"Run forward": "Run forward",
"Score a goal": "Score a goal",
"Seirawan-Harper Chess": "Seirawan-Harper Chess",
"Two kings": "Two kings",
"Two royal pieces": "Two royal pieces",
"Unidentified pieces": "Unidentified pieces",
+ "Walk on a graph": "Walk on a graph",
"White move twice": "White move twice"
};