Event: NSDCA Division 1

Opponent Rating Result
Geoff Laurence 1778 1 - 0
Lee Farrington 1950 ½ - ½
Alex Richardson 2040 1 - 0
Michael L Hancock 2020 1 - 0
Geoff Laurence 1841 1 - 0
Jon EW Blackburn 1698 1 - 0
Martin J Burns 1900 1 - 0
David Lambton 1768 0 - 1
Gerald Acey 2041 0 - 1
John M Turner 1943 0 - 1
John R Booth 1828 1 - 0
Martin J Burns 1907 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1993 = (22714 + 400 * (7 - 4)) / 12)

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