Event: Bedfordshire Individual Championship

Opponent Rating Result
Graham E Borrowdale 2006 0 - 1
R David Cox 1270 1 - 0
Andrew Bowler 1747 0 - 1
Dominic Watson 1707 0 - 1
Mahmoud Dairi 1326 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1531 = (8056 + 400 * (2 - 3)) / 5)

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