Event: Autumn OTB Division 4

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Opponent	Rating	Result
David J Fowler	1668	½ - ½
Dave Paylor	1591	1 - 0
Phil Bennett	1600	1 - 0

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

1886 = (4859 + 400 * (2 - 0)) / 3)