WE Games Tournament Roll Up Chess Board - Vinyl with Green Squares This chess mat meets the World Chess Federation's (FIDE) and the US Chess Federations (USCF) proportions standards for tournament play Green roll-up chessboard - Made of sturdy, tear-resistant vinyl. Easy to wipe clean. Includes algebraic notations along the sides to make this the perfect tool for teaching chess Regulation board measures 19.75 inches with 2.25 inch Squares