Event: SCL Div 1

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Opponent	Rating	Result
Adam R Ursell	1938	1 - 0
David A Cordner	1966	0 - 1
Martin J Clancy	1846	0 - 1
Martin J Clancy	1820	½ - ½
James I Chilton	1862	0 - 1
Richard W Ursell	1822	0 - 1
Fraser N McLeod	1892	1 - 0

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

1764 = (13146 + 400 * (2 - 4)) / 7)