Event: NSDCA Division 1

Opponent Rating Result
Samuel A Parry 1988 1 - 0
John P Ewens 1901 0 - 1
Bartosz Fajfer 1965 0 - 1
Geoff Laurence 1841 ½ - ½
John R Booth 1823 ½ - ½
Martin J Burns 1900 1 - 0
Gerald Acey 2041 0 - 1
John M Turner 1943 0 - 1
John R Booth 1828 0 - 1
Glyn D Valentine 1641 0 - 1
Malcolm A Roberts 1647 1 - 0
Wesley J Vickers 1653 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1781 = (22171 + 400 * (4 - 6)) / 12)

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