Event: Durham League Division B

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Opponent Rating Result
Fedir Dyshliuk 0 0 - 1
Eddie Glass 1322 1 - 0
Paul Freeman 1476 0 - 1
Wesley Park 1000 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

950 = (3798 + 400 * (2 - 2)) / 4)

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