Event: Week 2

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Opponent	Rating	Result
Chris Simpson	1671	0 - 1
David A Hallen	1481	0 - 1
Dean Corbishley	1402	0 - 1

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

1118 = (4554 + 400 * (0 - 3)) / 3)