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Event: Inter

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Opponent Rating Result
Tobias Baumann 172 ½ - ½
Robert Starley 193 1 - 0
Peter R Wood 173 1 - 0
Lewis Martin 210 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

487 = (748 + 400 * (3 - 0)) / 4)

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