Event: Division 3 West

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Opponent	Rating	Result
John S O'Neill	132	0 - 1
Stephen Green	119	0 - 1
Anthony J Alsop	103	½ - ½
John I Wilkinson	115	0 - 1
Roger Fenton	96	1 - 0
Neil A Butler	77	½ - ½
Michael E Cooper	103	½ - ½

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

-8 = (745 + 400 * (1 - 3)) / 7)