Event: Division 1

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Opponent	Rating	Result
Roger G Williamson	2256	0 - 1
E Dave Williams	2016	½ - ½
Owen Crawford	2030	0 - 1
Paul R Evans	1972	½ - ½
Steve Kee	2137	0 - 1
John P Redmond	2281	0 - 1
Marek Korsinskij	2166	0 - 1
Roger G Williamson	2256	0 - 1

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

1839 = (17114 + 400 * (0 - 6)) / 8)