Event: Ringwood Rapidplay Open

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Opponent	Rating	Result
Keith DF Gregory	1983	0 - 1
David J Deacon	1915	½ - ½
James Connor C Forster	2076	0 - 1
Thomas R Anderson	1672	½ - ½
Ian Deswarte	1807	½ - ½
Matthew Deacon	1584	1 - 0

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

1773 = (11037 + 400 * (1 - 2)) / 6)