Event: Clough (Handicap)

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Opponent	Rating	Result
Dave Colledge	1774	0 - 1
Karim Khan	151	1 - 0
Paul Budahazi	1430	½ - ½

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

1118 = (3355 + 400 * (1 - 1)) / 3)