Event: Portishead Rapid U13

Opponent Rating Result
King Lun Lam 0 1 - 0
Medhansh Tyagi 0 1 - 0
Nayra Charlesworth 0 1 - 0
Rayyan Mussa 0 0 - 1
Elliott Spinney 0 1 - 0
Alexandra Hughes 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

133 = (0 + 400 * (4 - 2)) / 6)

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