Event: Ringwood Rapidplay Open

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Opponent	Rating	Result
David J Deacon	1915	1 - 0
James Connor C Forster	2076	1 - 0
Paul Northcott	1934	0 - 1
John P Weatherlake	2043	0 - 1
Keith DF Gregory	1983	0 - 1
Ian Deswarte	1807	1 - 0

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

1960 = (11758 + 400 * (3 - 3)) / 6)