Event: Haslemere Trophy

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Opponent Rating Result
James Pothecary 1735 0 - 1
Serhan Celebi 0 0 - 1
Serhan Celebi 0 0 - 1
James Pothecary 1735 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

468 = (3470 + 400 * (0 - 4)) / 4)

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