Event: MCA U7200

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Opponent Rating Result
David F Pearcey 1801 0 - 1
Steven Philp 1604 ½ - ½
Brian Butterworth 1600 0 - 1
Bob Amos 1601 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (6606 + 400 * (1 - 2)) / 4)

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