Event: Division 3 West

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Opponent	Rating	Result
Jonathan Rossi	108	½ - ½
Malcolm Dinham	109	1 - 0
Martin I Willis	108	0 - 1
Michael E Cooper	104	½ - ½
Victor McAndrew	78	0 - 1
Patrick S Wojcik	113	½ - ½
Steve Miles	93	½ - ½

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

45 = (713 + 400 * (1 - 2)) / 7)