Event: 53rd Cotswold Open

Opponent Rating Result
David L Roberts 2030 0 - 1
Robert M Ashworth 1897 0 - 1
Edward P Small 1840 0 - 1
David Lacey 1717 1 - 0
Mark R A Murrell 1841 ½ - ½
Mohamed Elmaghrbi 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1488 = (9325 + 400 * (2 - 3)) / 6)

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