Event: 480 Max

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Opponent	Rating	Result
Mike J Johnson	115	½ - ½
Chris East	110	0 - 1
Peter W Leary	124	1 - 0
Matthew Little	110	0 - 1
Mike J Johnson	115	0 - 1
Simon A Killarney	114	0 - 1
Chris East	110	0 - 1
Peter W Leary	124	0 - 1

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

-135 = (922 + 400 * (1 - 6)) / 8)