Event: 5th Somerset New Year Intermediate

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Opponent Rating Result
Pengxiao Zhu 1335 0 - 1
Paul Rodger 0 1 - 0
Lynne J Fursman 0 1 - 0
Sam Wood 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

334 = (1335 + 400 * (2 - 2)) / 4)

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