Event: Division 3

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Opponent	Rating	Result
Mark SR Radford	1767	0 - 1
David Erentz	0	0 - 1
Robert Garnett	1600	0 - 1

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

722 = (3367 + 400 * (0 - 3)) / 3)