Event: Derby & District Division 2

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Opponent	Rating	Result
George McCluskey	1655	1 - 0
Alan F Downham	1848	½ - ½
Andrew Wathen	1618	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1974 = (5121 + 400 * (2 - 0)) / 3)