Event: IM Brown Shield

Opponent Rating Result
Carl Monk 1746 ½ - ½
Peter Micklethwaite 2002 ½ - ½
Robert A Newton 1959 0 - 1
John M Allan 1812 ½ - ½
Michael Johnson 1749 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1774 = (9268 + 400 * (0 - 1)) / 5)

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