Event: Morpeth Rated Rapidplay

Opponent Rating Result
Martin Seeber 1879 0 - 1
Dennis Patterson 1453 1 - 0
John G Horton 1903 1 - 0
Alan Welsh 1724 1 - 0
Robert PC Mitcheson 1659 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1964 = (8618 + 400 * (4 - 1)) / 5)

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