Event: Belper Club Championship

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Opponent Rating Result
Lee Garratt 0 1 - 0
Alan F Downham 0 ½ - ½
David JF Woodhouse 0 ½ - ½
Vaughan WG Smith 0 1 - 0
John Potter 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

160 = (0 + 400 * (2 - 0)) / 5)

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