Event: McArthur Cup

Opponent Rating Result
Ian Dennis 1682 0 - 1
John N Sugden 2078 1 - 0
Mark Broom 2125 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1962 = (5885 + 400 * (1 - 1)) / 3)

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