A method and system are disclosed for comparing the performance of a participant in an event that includes movement along a course to another performance. The base has a tube, a clipping flange and a valve. Based on the reference indicator, the vehicle may be able to know its exact position. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure.