Event: Division 3

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Opponent Rating Result
Jack Pilley 1500 0 - 1
Drew Harbidge 1450 0 - 1
Mick Brown 1454 ½ - ½
Hal Jardine 1350 0 - 1
Rene Butler 1164 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1144 = (6918 + 400 * (0 - 3)) / 5)

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