Event: Deric Cox Trophy

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Opponent	Rating	Result
Matthew Helsby	1312	0 - 1
Mason Thorpe	1356	0 - 1
H Martin Dale	1213	0 - 1

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

894 = (3881 + 400 * (0 - 3)) / 3)