Event: Hammersmith Rockhammer Cup

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Opponent Rating Result
Bijan Lotfi 1408 0 - 1
Bijan Lotfi 1408 0 - 1
Roy Chu 1407 0 - 1
Roy Chu 1407 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1008 = (5630 + 400 * (0 - 4)) / 4)

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