Event: C Division

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Opponent	Rating	Result
William O'Rourke	1880	½ - ½
Anthony M Lee	1888	½ - ½
Anthony R Entwistle	1878	½ - ½
Terry Cowling	1642	1 - 0
Paul F Cawley	1920	0 - 1
Michael Tebelev	1921	1 - 0
Andrew Beswick	1614	½ - ½
Allan Gardner	1828	1 - 0
Fiona Green	1960	½ - ½

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

1926 = (16531 + 400 * (3 - 1)) / 9)