Event: John Robinson Trophy

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Opponent Rating Result
Wojciech Augustyniak 1348 1 - 0
Matthew Edwards 1419 1 - 0
Christopher Keech 1810 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1792 = (4577 + 400 * (2 - 0)) / 3)

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