Event: Division 1 - Davy Trophy

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Opponent	Rating	Result
Aram Ter-Gevorkian	178	0 - 1
Richard J Webster	173	0 - 1
Michael D Johnson	170	½ - ½
David M Adams	194	½ - ½
Ewan Cormack	192	½ - ½
Chris CW Shephard	199	0 - 1
Peter Micklethwaite	176	0 - 1

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

-45 = (1282 + 400 * (0 - 4)) / 7)