Event: Division 1 - Davy Trophy

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Opponent	Rating	Result
Peter Ackley	191	½ - ½
David M Adams	193	½ - ½
Chris CW Shephard	199	½ - ½
Carl Walker	171	½ - ½
Jonathan P Nelson	203	0 - 1
Oliver Graham	161	0 - 1
Ken Hunter	144	1 - 0
Phil Griffiths	173	½ - ½

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

129 = (1435 + 400 * (1 - 2)) / 8)