Event: IM Brown Shield

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Opponent Rating Result
Peter Catt 1778 ½ - ½
Adam Bedi 1927 ½ - ½
Leo A Keely 1946 0 - 1
John M Morgan 1918 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1792 = (7569 + 400 * (0 - 1)) / 4)

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