Professor Truebridge waited for the Ravenclaw and Hufflepuff players to enter the Gobstones court. He handed them their gobstone bags, each containing the appropriately coloured gobstones and he levitated the grey jackstone into position in the centre of the court.

"I expect that before we begin you will have all made yourself familiar with the rules. There will be no tolerance for cheating and no warnings will be given for fouls. If one team commits a foul they will automatically forfeit that point to the other team."