Event: 7400-max Rapid-play

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Opponent Rating Result
Gavin Cartwright 1932 0 - 1
Tim A Lane 1845 ½ - ½
Gavin Cartwright 1932 1 - 0
Tim A Lane 1845 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1889 = (7554 + 400 * (1 - 1)) / 4)

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