Event: SCCA Division 3

Opponent Rating Result
John Barty 0 ½ - ½
Robert Lepley 1390 0 - 1
Roger N Smith 1383 0 - 1
Jake Williamson 1300 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

718 = (4073 + 400 * (0 - 3)) / 4)

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