Event: Durham League Division A

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Opponent Rating Result
Robin J Nandi 1915 0 - 1
Christopher Sayers 1597 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1356 = (3512 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
John M Findlay 1802 ½ - ½
Tim Wilton-Davies 1375 ½ - ½
Fedir Dyshliuk 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

926 = (3177 + 400 * (0 - 1)) / 3)