Event: 1st Bude Open Online Swiss

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Opponent	Rating	Result
Christine F Constable	1426	0 - 1
Hugh Brown	1275	1 - 0
Lloyd Russell	1302	0 - 1
Maria Evdokimova	1404	1 - 0
David R Jenkins	1424	0 - 1
Richard Nancarrow	1553	½ - ½

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

1331 = (8384 + 400 * (2 - 3)) / 6)