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US Chess Federation's Official Rules of Chess: Just, Tim, Just, Tim: 9781797716909: Amazon.com: Books
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US Chess Federation's Official Rules of Chess, 7th Edition, Published in Multiple Formats | US Chess.org
FIDE - International Chess Federation - The 2023 FIDE Laws of Chess have been published. What has been changed: 🔳 The main novelty (12.2.7) is that the penalty in rapid games is
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United States Chess Federation's Official Rules of Chess, Sixth Edition: U.S. Chess Federation: 9780375724008: Amazon.com: Books
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