Event: B&DCL Div 1

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Opponent	Rating	Result
Martin J Simons	2046	½ - ½
Allan J Pleasants	2119	0 - 1
Ciprian Stanciu	2009	1 - 0
C Bruce Jenks	2090	0 - 1
Mike P Waddington	2112	½ - ½
Steven AM Foister	2000	½ - ½
David E Onley	2144	1 - 0
Martin Machacek	2033	0 - 1
C Bruce Jenks	2090	½ - ½

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

2027 = (18643 + 400 * (2 - 3)) / 9)