Event: Division 1

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Opponent	Rating	Result
Maxim W Dunn	2124	½ - ½
Colin Mackenzie	2010	0 - 1
Alan H Perkins	2168	½ - ½

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

1967 = (6302 + 400 * (0 - 1)) / 3)