Event: NSDCA Division 1

Opponent Rating Result
Geoff Laurence 1841 ½ - ½
Carl Gartside 1845 0 - 1
Patrick Bennett 1958 ½ - ½
John R Booth 1823 1 - 0
Simon R Edwards 2043 0 - 1
David I Hulme 1764 0 - 1
Gerald Acey 2041 ½ - ½
John M Turner 1943 0 - 1
John R Booth 1828 0 - 1
Simon R Edwards 2050 1 - 0
Simon Layhe 1882 ½ - ½
Petru Floresc 1948 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1847 = (22966 + 400 * (3 - 5)) / 12)

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