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Amazon.fr - 100 Headachingly Hard Mate in Two Chess Puzzles Composed by Sam Loyd: Improve Your Ability to Calculate Variations and Finding Checkmate - Justesen, Martin B. - Livres
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Amazon.com: 100 Headachingly Hard Mate in Two Chess Puzzles Composed by Sam Loyd: Improve Your Ability to Calculate Variations and Finding Checkmate eBook : Justesen, Martin B.: Kindle Store
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