Event: Reading-Chess-Other-Rated

Opponent Rating Result
Daniel Dilworth 1569 0 - 1
Shruthisriya Ganesh 1455 1 - 0
Matthew Cuthbert 0 1 - 0
Rory Wilson Rhodes 1529 0 - 1
Steve Bartle 1865 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1204 = (6418 + 400 * (2 - 3)) / 5)

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