Event: Bedfordshire Individual Championship

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Opponent Rating Result
Mahmoud Dairi 1326 1 - 0
Thomas P O'Brien 1964 0 - 1
Michael Page 1467 1 - 0
Stephen C Ledger 2116 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1818 = (6873 + 400 * (2 - 1)) / 4)

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