Event: Woodhouse Cup

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Opponent	Rating	Result
Steve F Wild	2006	0 - 1
John W Atkinson	1993	0 - 1
Dale H Cullum	1853	1 - 0

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

1817 = (5852 + 400 * (1 - 2)) / 3)