Event: Ringwood Rapidplay Open

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Opponent	Rating	Result
Richard V Puchades	1896	½ - ½
Mark Littleton	2012	1 - 0
Johnathan D Bourne	1869	½ - ½
Michael FG Duggan	2172	½ - ½
James Connor C Forster	2076	½ - ½
Nicholas S Lee	2050	0 - 1

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

2013 = (12075 + 400 * (1 - 1)) / 6)