Event: Open Club Standard

Opponent Rating Result
Peter E Jowett 2190 0 - 1
Andrew R De Santos 1485 1 - 0
Carl A Tillotson 1696 0 - 1
Colin Sinclair 1723 0 - 1
Sebastien Szydlowski 1632 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1665 = (8726 + 400 * (2 - 3)) / 5)

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