Event: League Swiss

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Opponent Rating Result
Gabriele Martellotta 1332 0 - 1
Ashok Shah 1069 0 - 1
Barry Scales 1133 0 - 1
Sundararaju Kanakaraju 695 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

657 = (4229 + 400 * (0 - 4)) / 4)

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