Event: Durham League Division A

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Opponent Rating Result
Dave Patterson 1734 1 - 0
Jonathan Sams 1814 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1974 = (3548 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Christopher Sayers 1605 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2005 = (1605 + 400 * (1 - 0)) / 1)