Event: Three East

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Opponent Rating Result
Mark J Huba 1510 ½ - ½
Delroy Bennett 1308 1 - 0
David J Gilbert 1612 0 - 1
Roger Clarkson 1360 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1548 = (5790 + 400 * (2 - 1)) / 4)

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