Event: Division 4

Opponent Rating Result
Victor B Rumsey 1806 0 - 1
Alex Zhou 1883 0 - 1
Gareth Day 0 0 - 1
Mark Croasdale 0 0 - 1
Stephen W Berkley 1761 0 - 1
Alex Cooper 1633 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

781 = (7083 + 400 * (0 - 6)) / 6)

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