Event: York Club Championship

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Opponent	Rating	Result
Norman G Andrews	1642	1 - 0
David Wm Smith	0	½ - ½
J Mantovani	0	½ - ½
Daniel Meredith	0	1 - 0
M Paul Townsend	0	0 - 1
Adam Ismail	0	0 - 1
Gabriele Fazio	0	1 - 0
Aaron Rich	1772	0 - 1
Matthew Drury	0	0 - 0

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

427 = (3414 + 400 * (3 - 3)) / 8)