Event: Club Championship Div 1

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Opponent Rating Result
Harry Gardiner 1910 ½ - ½
Karl Lockett 1754 1 - 0
Andrew L Raeburn 1799 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1821 = (5463 + 400 * (1 - 1)) / 3)

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