Event: MCA Division 3

Opponent Rating Result
Kenneth Payne 1568 ½ - ½
Joel Bartlett 1815 0 - 1
Trevor Shaw 1476 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1486 = (4859 + 400 * (0 - 1)) / 3)

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