Event: Minor Counties

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Opponent	Rating	Result
R Alan Barton	1959	1 - 0
Francis J Bowers	1912	1 - 0
Philip S Fallon	1960	0 - 1

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

2077 = (5831 + 400 * (2 - 1)) / 3)