Event: 5th Somerset New Year Intermediate

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Opponent Rating Result
Huw Jones 1638 0 - 1
Struan Robertson 0 ½ - ½
Alan Papier 0 1 - 0
Dale Sibborn 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

310 = (1638 + 400 * (1 - 2)) / 4)

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