Event: Division 1

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Opponent Rating Result
David A Morgan 1746 0 - 1
Howard J Waterman 1918 ½ - ½
Peter Jaszkiwskyj 1982 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1882 = (5646 + 400 * (1 - 1)) / 3)

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