Event: Durham League Division B

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Opponent Rating Result
AD Tony Shires 1586 ½ - ½
Maxim Selemir 1819 1 - 0
Elliott Maitland-Davies 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1135 = (3405 + 400 * (1 - 1)) / 3)

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