Event: WMA Spring League Division 1

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Opponent	Rating	Result
Robert C Stern	1915	1 - 0
Malcolm S Harding	0	1 - 0
Nigel S Towers	1884	0 - 1
Matthew A Holmes	1787	½ - ½
Julian H Summerfield	1820	1 - 0
Marcus Walsh	0	1 - 0
Robert C Stern	1915	0 - 1
Malcolm S Harding	0	1 - 0
Nigel S Towers	1884	1 - 0
Matthew A Holmes	1787	1 - 0
Julian H Summerfield	1820	½ - ½
Marcus Walsh	0	0 - 1

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

1368 = (14812 + 400 * (7 - 3)) / 12)