Event: Worcestershire Championship League

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Opponent	Rating	Result
John P Wrench	1962	0 - 1
Brian Turner	1972	½ - ½
Stewart K Fishburne	2056	0 - 1
Daniel M Lambourne	2079	0 - 1
Stephen V Woodhouse	1888	½ - ½
Ian J Clarke	1978	0 - 1
David Smith	1797	½ - ½
Mike Hadley	1861	0 - 1
Brandon Wilkes	0	½ - ½

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

1510 = (15593 + 400 * (0 - 5)) / 9)