Event: Maidstone Players Trophy

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Opponent	Rating	Result
David R Heath	1848	0 - 1
Alan E Riddoch	1705	0 - 1
David A Munford	1953	0 - 1

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

1435 = (5506 + 400 * (0 - 3)) / 3)