Event: Derby & District Division 2

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Opponent Rating Result
Stefan Lewins 1602 0 - 1
Isaac Buckley 2088 1 - 0
David JF Woodhouse 1615 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1768 = (5305 + 400 * (1 - 1)) / 3)

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