Event: Division 2

Opponent Rating Result
John M Guilfoyle 1940 ½ - ½
Richard Garrett 2004 0 - 1
Rob Hearne 1933 ½ - ½
Robert Thompson 2192 ½ - ½
Richard J Johnson 1893 ½ - ½
Matthew DJ Wilson 1925 ½ - ½
Alastair JD Marston 1706 ½ - ½
Freddie Pick 1892 ½ - ½
Aleksei Zverev 1898 0 - 1
Richard J Johnson 1910 ½ - ½
Andrew M Gregory 1871 ½ - ½
Roger W Pearce 2089 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1871 = (23253 + 400 * (0 - 2)) / 12)

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