Event: SCCA Division 3

Opponent Rating Result
John WF McAllister 1751 0 - 1
Craig Bradshaw 1353 0 - 1
Mark Webb 1400 ½ - ½
Robert Lepley 1402 0 - 1
Roger N Smith 1383 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1138 = (7289 + 400 * (0 - 4)) / 5)

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