Event: 53rd Cotswold Open

Opponent Rating Result
Dominic Mackle 2239 0 - 1
David Lacey 1717 1 - 0
Mark R A Murrell 1841 1 - 0
Michael J Ashworth 2142 0 - 1
Ian J Clarke 1965 0 - 1
Raimund Klein 1945 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1908 = (11849 + 400 * (2 - 3)) / 6)

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