Event: Clough (Handicap)

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Opponent Rating Result
Stephen Haggas 1541 ½ - ½
Dave Colledge 1742 0 - 1
Kieran L Link 1388 0 - 1
Richard Zaidman 1668 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1285 = (6339 + 400 * (0 - 3)) / 4)

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