Event: Bedfordshire Individual Championship

Opponent Rating Result
Brian J Valentine 1922 0 - 1
Robert S Walker 1752 0 - 1
George Griffiths 1499 0 - 1
Desmond S Welton 1308 1 - 0
Dexter Caplin Lazard 1019 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1420 = (7500 + 400 * (2 - 3)) / 5)

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