Event: 5th Somerset New Year Intermediate

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Opponent Rating Result
Christopher M Southall 1598 ½ - ½
Robert A Lanzer 0 ½ - ½
Struan Robertson 0 0 - 1
Arthur Hibbitt 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

300 = (1598 + 400 * (0 - 1)) / 4)

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