Event: Club Championship A2 Division

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Opponent	Rating	Result
Stephen Rodgers	0	0 - 1
Thomas Marwood	1626	0 - 1
Matthew Jackman	2044	0 - 1

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

823 = (3670 + 400 * (0 - 3)) / 3)