Event: Division 1

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Opponent	Rating	Result
Henry G Duncanson	214	0 - 1
A Clive Walley	164	½ - ½
Duncan Dicks	179	0 - 1
Michael Ashworth	192	0 - 1
A Clive Walley	164	½ - ½
Gary R Andriessen	174	½ - ½
Michael Ashworth	192	0 - 1
A Clive Walley	157	0 - 1
Duncan Dicks	183	0 - 1
Michael J Taylor	203	½ - ½
Ian A Robson	186	½ - ½

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

-36 = (2008 + 400 * (0 - 6)) / 11)