Event: MCA Division 2

Opponent Rating Result
Brian Butterworth 1478 ½ - ½
David McKee 1526 ½ - ½
Bob Amos 1578 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1527 = (4582 + 400 * (0 - 0)) / 3)

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