Event: Division Five

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Opponent	Rating	Result
Samuel J Green	82	1 - 0
Derek Green	100	½ - ½
R Arthur Hall	110	1 - 0
Marek Biernacki	122	1 - 0
David J Reeves	104	½ - ½
Dennis M Horsley	98	½ - ½
Ian A Clack	114	½ - ½
Martin J Draper	108	1 - 0(def)
Leslie Andrews	91	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

253 = (821 + 400 * (3 - 0)) / 8)