Event: Worcester & District League

Opponent Rating Result
Richard F Collett 1406 0 - 1
Simon Berry 1452 0 - 1
Mark Crane 869 1 - 0
David Cleak 1510 1 - 0
Robert (Bob) Carter 1490 0 - 1
Richard F Collett 1406 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1356 = (8133 + 400 * (3 - 3)) / 6)

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