Event: 2021 Summer Rapid Play

Opponent Rating Result
Brian Kirby 1210 1 - 0
David R Rudd 1712 0 - 1
A Mark Buswell 1772 0 - 1
Mark Lynch 1472 0 - 1
Luca Tinnirello 1250 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1243 = (7416 + 400 * (1 - 4)) / 5)

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