Event: Division 2 - Weston Trophy

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Opponent	Rating	Result
James RG Marley	170	½ - ½
John R Mercy	157	½ - ½
Gerald D Fletcher	0	½ - ½
Jim Davis	150	½ - ½
Ionel Dragan	141	0 - 1
Martin J Sheard	167	0 - 1
Craig Chatterton	0	0 - 1
Norman A Wragg	144	½ - ½

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

-34 = (929 + 400 * (0 - 3)) / 8)