Event: NSDCA Division 2

Opponent Rating Result
John P Ewens 1933 0 - 1
Tim Twentyman 1731 1 - 0
Alan M Paling 1872 0 - 1
Steve R Hill 1821 0 - 1
Andrew L Raeburn 1860 ½ - ½
Jon EW Blackburn 1649 1 - 0
James Richard Hanlon 1695 0 - 1
Alberto Gissi 1653 0 - 1
Glyn D Valentine 1648 ½ - ½
Martin F Frisher 1787 1 - 0
Stanislaw Wojtas 1809 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1660 = (19458 + 400 * (3 - 6)) / 11)

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