Event: MID Tom Fuller Cup

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Opponent	Rating	Result
Alan E Riddoch	131	1 - 0
Barrington Beavis	153	1 - 0
Patrick O'Mara	141	1 - 0
Chris N Hann	147	0 - 1
David A Tidmarsh	130	1 - 0
Paul Foster	130	1 - 0
Robert E Lane	140	1 - 0

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

425 = (972 + 400 * (6 - 1)) / 7)