chessboard, multiple dimensions, 5D, strategy game, chess pieces, complex moves, time travel, alternate realities, layered gameplay, strategic depth, mind-bending, knight, bishop, rook, queen, king, pawn, checkmate, futuristic concept, abstract strategy, advanced tactics, thinking ahead, multiverse theory, cause and effect, chess variant, intellectual challenge, cognitive exercise, spatial reasoning, temporal manipulation, high-concept game design, innovative mechanics, chess enthusiast, mental workout, chess evolution.