Event: Winchester

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Opponent Rating Result
Yuvraj Sahota 0 1 - 0
Rex Yu 1359 1 - 0
Ratan DSouza 1292 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1017 = (2651 + 400 * (2 - 1)) / 3)

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