Event: Derbyshire Individual

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Opponent Rating Result
Tomasz D Adamski 121 0 - 1
Mohinderpal Samra 87 0 - 1
Saurav Sunny 136 0 - 1
Jon Jenson 106 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-288 = (450 + 400 * (0 - 4)) / 4)

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