Event: Durham League Division B

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Opponent Rating Result
Joe McGinnis 1603 1 - 0
Paul Freeman 1501 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1952 = (3104 + 400 * (2 - 0)) / 2)

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Opponent Rating Result
Vaughan Davison 1585 1 - 0
Deborah Edmundson 1506 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1946 = (3091 + 400 * (2 - 0)) / 2)