Event: 6600-max Rapid-play

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Opponent Rating Result
Ray Hall 1682 1 - 0
Hamish W Scott 1451 1 - 0
Hamish W Scott 1451 ½ - ½
Ray Hall 1682 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1867 = (6266 + 400 * (3 - 0)) / 4)

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