Event: 5th Somerset New Year Intermediate

Opponent Rating Result
Struan Robertson 0 1 - 0
Huw Jones 1638 ½ - ½
Robert A Lanzer 0 ½ - ½
David R Rogers 0 1 - 0
Alastair JD Marston 1714 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

830 = (3352 + 400 * (2 - 0)) / 5)

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