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derekfredrickson
Derek Fredrickson
Paris, France
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Achievements
(48)
1
Speed Solver 10+
"Beginner" Complete
4
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"New" Complete
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Precise Calculation
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(9)
7
Happy Anniversary!
Enjoy a Taco
Let's Be Friends
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(17)
Réti
KIA
Trompowsky
London
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Books (17)
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