Event: Five Counties Div 2

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Opponent	Rating	Result
U Muhammad Butt	0	0 - 1
Samuel Knight	1276	0 - 1
Abu Hasan	0	½ - ½
Matthew Morrison	0	1 - 0
Peter Smyth	40	1 - 0
Dennis M Bonner	1511	0 - 1
James Cowan	1358	1 - 0
Leo Demyan	1145	1 - 0

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

716 = (5330 + 400 * (4 - 3)) / 8)