Event: SCL Div 3

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Opponent	Rating	Result
Rui Simpson	0	1 - 0
William A Jackson	0	1 - 0
Gavin Stonham	0	1 - 0
Sam J Murphy	0	1 - 0
Sam Spencer	0	0 - 1
Michael J White	0	1 - 0
Richard J Meredith	0	0 - 1
Michael J White	0	0 - 1

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

100 = (0 + 400 * (5 - 3)) / 8)