Event: B&DCL Div 5

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Opponent	Rating	Result
David Dixon	122	0 - 1
Chris D Lane	104	½ - ½
David W Lockwood	78	½ - ½
Samuel (Sam) Walker	41	0 - 1
Samuel (Sam) Walker	41	1 - 0
Stephen Bailey	67	1 - 0
Chris D Lane	104	0 - 1
Brian A Beard	60	1 - 0

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

77 = (617 + 400 * (3 - 3)) / 8)