ThinkFun Solitaire Chess Single Player Brain FItness Mind-Capturing Logic Game This is the ThinkFun Solitaire Chess board game, a single-player logic puzzle. It includes a magnetic game board, 10 chess pieces, and 60 challenges ranging from beginner to expert levels. The objective is to capture pieces using standard chess moves until only one piece remains on the board. Used, all pieces present. I ship within two business days from a smoke-free home.