Event: 6600 max

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Opponent Rating Result
Joyce H Evans 1350 1 - 0
Peter J Hughes 1393 1 - 0
Joyce H Evans 1350 0 - 1
Peter J Hughes 1393 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1472 = (5486 + 400 * (2 - 1)) / 4)

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