OSCR hosts two competitions each year, at the beginning of Winter term in January and at the end of the school year in June. The OSCR combat arena is 4ft x 4ft, with a steel floor and kick plates and is capable of safely containing full-metal Antweight combat robots. Located in of the the arena corners is a 1ft square pit that opens up in the last minute of each three minute robot bout.
To win a robot combat fight, a robot needs to either destroy or disable its opponent, push its opponent in the pit, or be decelared winner by judges' decision. OSCR adheres to SPARC guidelines for competition and judging.