Event: Division Three

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Opponent	Rating	Result
Alexander D (Sandy) Wilson	128	½ - ½
Glenn F Windows	133	½ - ½
Chris W Pitt	141	½ - ½
Mike J Johnson	114	½ - ½
Peter Willett	130	0 - 1
David Jeffs	139	½ - ½
Kenneth E Allen	133	½ - ½
Brian D Hopkins	122	½ - ½

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

80 = (1040 + 400 * (0 - 1)) / 8)