Event: OTB Club Championship

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Opponent	Rating	Result
Terry C Skippen	1501	1 - 0
Jay Sharman	1654	1 - 0
Vittorio Nigrelli	1753	1 - 0
Steven JL Rix	2033	½ - ½
John H Hodgson	2152	½ - ½
Paul Bancroft	1990	0 - 1
Philip Staniland	1855	½ - ½

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

1963 = (12938 + 400 * (3 - 1)) / 7)