Event: 6th Somerset New Year Intermediate

Opponent Rating Result
John Morrish 1649 1 - 0
Alan Papier 1687 0 - 1
Kevin Winter 1700 ½ - ½
Dave J Williams 1646 1 - 0
Dale Sibborn 1718 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1840 = (8400 + 400 * (3 - 1)) / 5)

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