Event: Richard Furness League

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Opponent Rating Result
Mohamad Tello 1404 1 - 0
Marco Montemurro 1650 0 - 1
Stephen Deakin 1435 0 - 1
Frank Skidmore 1368 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1364 = (5857 + 400 * (1 - 2)) / 4)

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