Event: Woodhouse Cup

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Opponent	Rating	Result
Richard M Cowan	1954	1 - 0
Simon T Ansell	2447	0 - 1
Jonathan Round	1920	1 - 0

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

2240 = (6321 + 400 * (2 - 1)) / 3)