Event: York Club Championship

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Opponent	Rating	Result
Jack Howorth	0	1 - 0
Adam Ismail	1908	0 - 1
Paul Masiak	1401	1 - 0
Paul A Johnson	1909	½ - ½
A Jon Griffith	1784	0 - 1
Ian Craig	1424	½ - ½
Paul M Barber	1950	½ - ½
Ewen Miller	1794	1 - 0(def)

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

1482 = (10376 + 400 * (2 - 2)) / 7)