Event: TCC South London

Opponent Rating Result
Benedict Pagliari 1152 1 - 0
James Merriman 2000 ½ - ½
Ron Usharovsky 1854 1 - 0
Joel Averbukh 1620 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1957 = (6626 + 400 * (3 - 0)) / 4)

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