Event: Division 1

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Opponent Rating Result
Martin McCall 1915 ½ - ½
Edgar Wilson 1953 0 - 1
Peter Jaszkiwskyj 1990 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1686 = (5858 + 400 * (0 - 2)) / 3)

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