Event: Lewisham Club Championship 2023

Opponent Rating Result
Martin G Gruau 0 0 - 1
Peter McGranaghan 1627 0 - 1
Manas Mukhopadhyay 1523 1 - 0
Arnaud Malet 1833 0 - 1
Conrad Hall 1503 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1057 = (6486 + 400 * (1 - 4)) / 5)

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