Event: Woodhouse Cup

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Opponent	Rating	Result
John Thackray	1908	½ - ½
David A Patrick	1779	½ - ½
Gareth Gardener	1845	½ - ½

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

1844 = (5532 + 400 * (0 - 0)) / 3)