Event: MCA Division 3

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Opponent Rating Result
Stephen M Lloyd 1756 0 - 1
Russell Cowell 1707 ½ - ½
David CA Colbourne 1825 0 - 1
Barbara Novak 1686 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1544 = (6974 + 400 * (0 - 2)) / 4)

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