Event: IM Brown Shield

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Opponent Rating Result
Samuel J Playford 1719 ½ - ½
Jim E Vickery 1848 1 - 0
Maksym Kryshtafor 1797 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1788 = (5364 + 400 * (1 - 1)) / 3)

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