Chess opening
Queen's Gambit Declined: Three Knights VariationD37
The Queen's Gambit Declined: Three Knights Variation is a chess opening classified under ECO code D37. It is reached after the moves:
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3
Play it vs Stockfish Open in analysis board
Comes from
Main continuations
- Queen's Gambit Declined: Barmen Variation (D37)
- Queen's Gambit Declined: Ragozin Defense (D38)
- Queen's Gambit Declined: Semi-Tarrasch Defense (D40)
- Queen's Gambit Declined: Three Knights, Vienna Variation (D37)
- Queen's Gambit Declined: Harrwitz Attack (D37)
- Queen's Gambit Declined: Miles Variation (D37)
- Queen's Gambit Declined: Modern Variation, Normal Line (D55)
- Queen's Gambit Declined: Neo-Orthodox Variation, Main Line (D55)
- Semi-Slav Defense: Botvinnik Variation, Alatortsev System (D44)
- Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation (D55)
- Semi-Slav Defense: Botvinnik Variation, Szabo Variation (D44)
Related lines in the Queen's Gambit Declined
- Queen's Gambit Declined: Baltic Defense, Pseudo-Slav (D02)
- Queen's Gambit Declined: Austrian Attack, Salvio Countergambit (D06)
- Queen's Gambit Declined: Austrian Defense (D06)
- Queen's Gambit Declined: Austrian Defense, Gusev Countergambit (D06)
- Queen's Gambit Declined: Austrian Defense, Haberditz Variation (D06)
- Queen's Gambit Declined: Baltic Defense (D06)
- Queen's Gambit Declined: Baltic Defense, Argentinian Gambit (D06)
- Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin (D06)
Train this opening
LibreChess runs Stockfish in your browser — play the Queen's Gambit Declined against the engine at any strength, get hints, and review your game move by move afterwards. Free, no account needed. You can also add this line to your repertoire and drill it with spaced repetition.