Event: Individual 1450 max

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Opponent Rating Result
Gary Haycock 1317 ½ - ½
Gary Haycock 1317 1 - 0
Iain Kings 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

878 = (2634 + 400 * (1 - 1)) / 3)

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