Event: League Division 1

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Opponent	Rating	Result
Anthony Ibbitson	1754	1 - 0
Peter M Gayson	2126	0 - 1
John Hall	1959	½ - ½
Mate Ther	2210	½ - ½
Richard Allis	2118	0 - 1
Christopher Tombolis	2098	½ - ½
James P Collier	1859	0 - 1

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

1903 = (14124 + 400 * (1 - 3)) / 7)