Event: York Club Championship

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Opponent	Rating	Result
Herbert Lockwood	0	1 - 0
A Jon Griffith	0	1 - 0
Paul M Barber	0	0 - 1
J Mantovani	0	1 - 0
Adam Ismail	0	½ - ½
M Paul Townsend	0	1 - 0
Aaron Rich	1772	½ - ½
Daniel Meredith	0	1 - 0
T Noel Stewart	0	½ - ½

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

375 = (1772 + 400 * (5 - 1)) / 9)