Event: OTB Club Championship

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Opponent	Rating	Result
John H Hodgson	2152	0 - 1
Terry Lucy	1372	1 - 0
Peter A Nickals	1728	1 - 0
Vittorio Nigrelli	1753	1 - 0
Philip Staniland	1855	½ - ½
Steven JL Rix	2033	0 - 1
Ben Harte	1726	0 - 1

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

1803 = (12619 + 400 * (3 - 3)) / 7)