Event: Blitz 22-23

Opponent Rating Result
Anthony M Langley 1754 0 - 1
Kehao Guo 889 0 - 1
Matthew Parker 1200 1 - 0
Martin Zissell 1582 1 - 0
Yong Gui Wang 1588 0 - 1
Adam Holland 1350 0 - 1
Leo Wang 888 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1264 = (9251 + 400 * (3 - 4)) / 7)

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