Event: Club Championship

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Opponent	Rating	Result
Petru Floresc	1975	0 - 0
Chris P Hankey	1780	0 - 1
Stuart E Hull	1375	0 - 1
Vladislav Drezov	1000	0 - 0
Mycle Scheuer	1300	0 - 1
Gennady Tabala	1000	0 - 1
Glyn D Valentine	1660	0 - 1
Dylan Whitney	1345	0 - 1
Ernest Wilkinson	1443	0 - 1
Christopher Brian	1165	0 - 1
Christopher Brooks-Green	800	0 - 0
Stephen J Emmerton	1644	0 - 1

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

1012 = (12712 + 400 * (0 - 9)) / 9)