A Complete Guide to Queen's Gambit by Raetsky, Alexander

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Why, in chess when cornered, may a king not capture a queen that is right in front of it where the king is normally able to move to? - Quora

Attention 'Queen's Gambit' Superfans: You Need These Prints From Fagerström – PRINT Magazine

List of Chess Gambits, PDF, Chess Openings

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what's your win rate with your favourite opening? - Chess Forums

Netflix's 'The Queen's Gambit' sparks chess frenzy, websites register millions of new players - The Economic Times

Why isn't the Queen's Gambit accepted at the GM level? Stockfish says it's okay for black. - Quora