Event: WMA Autumn League Division 2

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Opponent	Rating	Result
Mark Riley	1600	0 - 1
Sam J Hall	1656	0 - 1
Marek J Soszynski	1785	1 - 0
N Pither	1600	0(def) - 1
Matthew Little	1552	1 - 0
Mark Riley	1600	0 - 1
Sam J Hall	1656	1 - 0
Marek J Soszynski	1785	1 - 0
N Pither	1600	0 - 1
Matthew Little	1552	1 - 0

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

1687 = (14786 + 400 * (5 - 4)) / 9)