Event: Division One

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Opponent Rating Result
Darrell A Watson 1768 0 - 1
William Castaneda 1712 ½ - ½
Mark Payne 1822 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1634 = (5302 + 400 * (0 - 1)) / 3)

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