Event: 5th Somerset New Year Major

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Opponent Rating Result
Peter Jones 0 ½ - ½
Matthew Timbrell 1632 ½ - ½
Philip J Walters 0 ½ - ½
Ben Radford 0 ½ - ½
Richard J Johnson 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

406 = (1632 + 400 * (1 - 0)) / 5)

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