Event: SCL Div 1

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Opponent	Rating	Result
Matthew Coldwell	1739	1 - 0
Gareth Aneurin Jones	1919	0 - 1
Malcolm Day	1670	½ - ½
Colin B Knight	1726	½ - ½
Adam R Ursell	1955	1 - 0
Ralph Morley	1636	1 - 0
Josiah Webb	1738	1 - 0
Malcolm Day	1655	1 - 0

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

1955 = (14038 + 400 * (5 - 1)) / 8)