Event: Bedfordshire Individual Championship

Opponent Rating Result
Robert S Walker 1752 0 - 1
David Webber 1466 1 - 0
Nigel Collins 1509 0 - 1
Lucian Cox 1670 ½ - ½
Sumit Bhalla 1407 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1481 = (7804 + 400 * (1 - 2)) / 5)

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