Event: B&DCL Div 5

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Opponent	Rating	Result
Alan Dufall	75	1 - 0
David W Lockwood	78	1 - 0
Michael Tew	85	½ - ½
Matthew (Matt) Austin	68	½ - ½
George WP Dodman	92	0 - 1
Alan Dufall	75	1 - 0
Samuel (Sam) Walker	41	1 - 0
Vic Cox	70	1 - 0

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

273 = (584 + 400 * (5 - 1)) / 8)