Event: Winchester

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Opponent Rating Result
Vardhan Mehrotra 0 0 - 1
Tuong Phan 1118 0 - 1
Henry Chivers-Wells 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-27 = (1118 + 400 * (0 - 3)) / 3)

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