Event: Under 100

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Opponent Rating Result
Brian W Williamson 1396 0 - 1
Brian W Williamson 1396 0 - 1
Don Richards 1360 0 - 1
Don Richards 1360 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

978 = (5512 + 400 * (0 - 4)) / 4)

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