Event: MID County / Lewis Cup

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Opponent	Rating	Result
John N Sugden	194	0 - 1
Robert Jacobs	178	1 - 0
David J Shire	170	½ - ½
Andrew C Waters	161	½ - ½
Kevin Smyth	165	0 - 1
Henry Cove	159	0 - 1
Jerry Anstead	171	0 - 1
Trefor H Owens	167	0 - 1

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

-29 = (1365 + 400 * (1 - 5)) / 8)