Event: 6600-max Rapid-play

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Opponent Rating Result
William Giddings 1350 0 - 1
Muhammed Mehmood 1472 0 - 1
William Giddings 1350 1 - 0
Muhammed Mehmood 1472 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1211 = (5644 + 400 * (1 - 3)) / 4)

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