Event: John Woolley Rapid

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Opponent Rating Result
Gabriele Martellotta 1270 0 - 1
Gabriele Martellotta 1270 0 - 1
Manik Garg 0 1 - 0
Manik Garg 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

635 = (2540 + 400 * (2 - 2)) / 4)

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