Event: IM Brown Shield

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Opponent Rating Result
Paul Wheatley 1873 ½ - ½
Michael I Connor 1778 1 - 0
Michael Johnson 1755 1 - 0
Charlie Wainwright 1768 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1994 = (7174 + 400 * (2 - 0)) / 4)

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