Event: Durham League Division A

Opponent Rating Result
Robin J Nandi 1915 ½ - ½
Philip Brooks 1601 1 - 0
Oliver Montague 1555 0 - 1
Steve H Jefferies 1634 ½ - ½
Alexandros Kalyviotis 1618 1 - 0
Jack Gibson 0 0 - 1
Steve H Jefferies 1634 1 - 0
Richard J Harris 1790 0 - 1
Fedir Dyshliuk 0 1 - 0
Yusuf Alsari 0 0 - 1
Jonathan Sams 1817 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1197 = (13564 + 400 * (4 - 5)) / 11)

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