Event: York Club Championship

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Opponent	Rating	Result
Steve R Hodge	1989	0 - 1
Gabriele Fazio	0	½ - ½
Christopher Dickson	0	1 - 0
Matthew Drury	0	½ - ½
Aaron Rich	1772	0 - 1
Paul Masiak	0	1 - 0(def)
Derek Toyne	0	1 - 0
David Wm Smith	0	½ - ½
Adam Ismail	0	½ - ½

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

470 = (3761 + 400 * (2 - 2)) / 8)