Event: GP3 - November

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Opponent Rating Result
Stephen D Blewitt 1795 0 - 1
Zacharius Carthew 787 1 - 0
William H Luxton 1610 0 - 1
Lawrence Rhodes 1347 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1185 = (5539 + 400 * (1 - 3)) / 4)

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