Event: Durham League Division A

Opponent Rating Result
Ken P Neat 2208 ½ - ½
Stephen W Dauber 2065 0 - 1
Kevin J Wilson 1955 1 - 0
Fedir Dyshliuk 0 1 - 0
David J Walker 2290 0(def) - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1657 = (6228 + 400 * (2 - 1)) / 4)

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