The present invention allows enhancement of a microprocessor’s performance. The invention also relates to the compositions containing such a compound for the dyeing of keratinous fibres and the method for using said compositions. A mounting hole defined at an end of the mounting portion. The method includes the steps of launching playing pieces towards a goal region; re-launching each playing piece that is not in the goal region if all goals contain at least one playing piece; scoring a point for each playing piece not in the goal region; and adding a penalty to the point score if there is any goal which does not contain a playing piece.