Event: MCA Division 1

Opponent Rating Result
Bashar Rovezi 1848 0 - 1
Derek Rooney 1698 ½ - ½
Brian R Ewart 1825 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1657 = (5371 + 400 * (0 - 1)) / 3)

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