Event: WMA Autumn League Division 2

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Opponent	Rating	Result
Paul B Sharratt	1600	0 - 1
Robert Marks	1640	1 - 0
Ray A Collett	1737	½ - ½
Steve Shaw	1600	1 - 0
John P Wrench	1981	½ - ½
Paul Roper	1849	1 - 0
Jaspar Goodall	1674	1 - 0
Paul B Sharratt	1600	0 - 1
Robert Marks	1640	½ - ½
Ray A Collett	1737	1 - 0
Steve Shaw	1600	1 - 0
John P Wrench	1981	0 - 1
Paul Roper	1849	1 - 0
Jaspar Goodall	1674	0 - 1

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

1812 = (24162 + 400 * (7 - 4)) / 14)