Event: B&DCL Div 4

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Opponent	Rating	Result
Christine A Roberts	108	0 - 1
Michael Honey	120	0 - 1
Frank ME Hamilton-Taylor	108	0 - 1
Michael Tew	82	½ - ½
C James Fox	112	0 - 1
John H Jenkins	82	½ - ½
Mihail Puiu Nutu	112	0 - 1
Graham Morris	90	½ - ½

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

-148 = (814 + 400 * (0 - 5)) / 8)