Event: 2021 Summer Rapid Play

Opponent Rating Result
James Hurley 1402 0 - 1
Luca Tinnirello 1250 ½ - ½
Duncan Marshall 1652 0 - 1
Steve Zsibrita 1513 0 - 1
Brian Kirby 1195 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1242 = (7012 + 400 * (1 - 3)) / 5)

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