Event: Division Six

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Opponent	Rating	Result
Barrie Phillips	80	½ - ½
Paul Bignall	64	½ - ½
Brian Dawson	69	½ - ½
Goran Stepanovic	77	0 - 1
Robert Trevis	74	1 - 0
Chris Williamson	94	1 - 0
Antonia (Toni) Reed	104	0 - 1

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

80 = (562 + 400 * (2 - 2)) / 7)