Event: 5th Somerset New Year Major

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Opponent Rating Result
Paul Spiller 0 0 - 1
Chris Carpenter 0 1 - 0
Joseph D Turner 0 ½ - ½
Nigel P Young 0 0 - 1
Daniel Shek 1951 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

310 = (1951 + 400 * (1 - 2)) / 5)

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