Event: 7400 max Rapid-play

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Opponent Rating Result
William Fitzpatrick 1600 0 - 1
Roy A Lawrence 1663 0 - 1
William Fitzpatrick 1600 ½ - ½
Roy A Lawrence 1663 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1532 = (6526 + 400 * (1 - 2)) / 4)

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