Event: Five Counties Div 2

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Opponent	Rating	Result
Matthew Bailey	0	0 - 1
Nicolas Holland	0	1 - 0
Barry Scales	0	1 - 0
Andrew C Wilson	1555	0 - 1
Nick D Holmes	1568	0 - 1
Aleksa Markov	0	1 - 0
Jeshan Jebananthan	1062	1 - 0
Richard Smith	1461	1 - 0

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

806 = (5646 + 400 * (5 - 3)) / 8)