Event: John Robinson Trophy

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Opponent Rating Result
Wojciech Augustyniak 1380 1 - 0
Ron Cooper 1525 1 - 0
Jonathan Redding 1668 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1791 = (4573 + 400 * (2 - 0)) / 3)

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