Event: WMA Autumn League Division 1

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Opponent	Rating	Result
Andrew P McCumiskey	1600	0 - 1
Peter R Kitson	1600	0 - 1
Nigel S Towers	1820	½ - ½
Julian H Summerfield	1785	1 - 0
David CR Hancock	1600	1 - 0
David CR Hancock	1600	1 - 0
Anthony Rimmington	1347	1 - 0
Ray A Collett	1743	0 - 1
David CR Hancock	999	1 - 0
Andrew P McCumiskey	1600	0 - 1
Peter R Kitson	1600	0 - 1
Nigel S Towers	1820	0 - 1
Julian H Summerfield	1785	½ - ½
David CR Hancock	1600	1 - 0
David CR Hancock	1600	½ - ½
Anthony Rimmington	1347	0 - 1
Ray A Collett	1743	½ - ½
David CR Hancock	999	1 - 0

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

1566 = (28188 + 400 * (7 - 7)) / 18)