Event: Rapidplay - Under 7000

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Opponent Rating Result
Mike Bender 1650 1 - 0
Mike Bender 1650 0 - 1
Trevor Hurt 1395 0 - 1
Trevor Hurt 1395 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1423 = (6090 + 400 * (1 - 2)) / 4)

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