Event: Division 1 - Davy Trophy

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Opponent	Rating	Result
Peter Ackley	190	½ - ½
Samuel A Milson	199	0 - 1
Carl Walker	175	½ - ½
Phil Griffiths	166	0 - 1
Hubert Mossong	180	½ - ½
Paul Fletcher	166	½ - ½
Oliver Graham	166	1 - 0

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

120 = (1242 + 400 * (1 - 2)) / 7)