Event: 6th Peter & Peggy Clarke Memorial

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Opponent	Rating	Result
Petra Nunn	1945	1 - 0
John DM Nunn	2541	0 - 1
Harvey Cooper	1432	0 - 1
Nigel J Kirkman	1720	0 - 1
Alan Hunt	0	1 - 0

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

1448 = (7638 + 400 * (2 - 3)) / 5)