Event: OTB APAR 130922

Opponent Rating Result
Michael GA Wilson 1629 1 - 0
Vittorio Nigrelli 1626 1 - 0
David Smith 1525 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1993 = (4780 + 400 * (3 - 0)) / 3)

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