Event: Essex OL Open Championship

Opponent Rating Result
Robin Slade 1996 0 - 1
Ian D Hunnable 1919 0 - 1
George Horan 1890 0 - 1
John H Hodgson 2055 0(def) - 1
David Gatheral 1600 0 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1535 = (5805 + 400 * (0 - 3)) / 3)

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