A new version of the chess set seen at the climax of harry potter and the sorcerer39s stone includes 32 highly detailed moulded plastic chess pieces measuring between 5 and 115 cms in height and a playing board approximately 31 cms square one of the most memorably exciting moments during harry potter and the philosopherrsquos stone sorcererrsquos stone for our american fans was of course the epic battle against professors mcgonagallrsquos gigantic transfigured chess set ron brave