Event: Woodhouse Cup

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Opponent	Rating	Result
Dave Young	1375	1 - 0
William Boothman	1763	0 - 1
Simon Skinner	1611	1 - 0

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

1716 = (4749 + 400 * (2 - 1)) / 3)