Event: Morpeth Rated Rapidplay

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Opponent Rating Result
James Charlton 0 ½ - ½
Alan Welsh 1724 0 - 1
John G Horton 1903 0 - 1
Vic Southern 1633 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1015 = (5260 + 400 * (0 - 3)) / 4)

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