Event: MET Stevenson Cup

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Opponent	Rating	Result
John H Lewin	164	½ - ½
James Merriman	167	½ - ½
Martin Stewart	157	½ - ½
Kerry RP Kingston	142	½ - ½
Jean-Baptiste Jugand	186	½ - ½
Greg Edwards	149	0 - 1
Phil M Humphries	133	0 - 1

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

43 = (1098 + 400 * (0 - 2)) / 7)