Event: Clough (Handicap)

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Opponent	Rating	Result
Robert Pells	1694	1 - 0
Dave Sykes	1559	0 - 1
Colin S Procter	1806	1 - 0

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

1820 = (5059 + 400 * (2 - 1)) / 3)