Event: Durham League Division 2

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Opponent Rating Result
Michael Murray 0 0 - 1
Bryan J Bainbridge 0 0 - 1
Alex Potter 0 1 - 0
Guy Smith 0 1 - 0
Geoffrey Howsden 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

80 = (0 + 400 * (3 - 2)) / 5)

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Opponent Rating Result
Paul Jenkins 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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