Event: MCA Jnr Congress u9

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Opponent Rating Result
Neha Balaji 866 0 - 1
Gilbert Frieze 0 ½ - ½
William Lynch 0 1 - 0
Nico Matuszewski 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

117 = (866 + 400 * (1 - 2)) / 4)

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