Chess opening
Ruy Lopez: Berlin Defense, Improved Steinitz DefenseC66
The Ruy Lopez: Berlin Defense, Improved Steinitz Defense is a chess opening classified under ECO code C66. It is reached after the moves:
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6
Play it vs Stockfish Open in analysis board
Comes from
Main continuations
- Ruy Lopez: Closed Berlin Defense, Chigorin Variation (C66)
- Ruy Lopez: Berlin Defense, Closed Wolf Variation (C66)
- Ruy Lopez: Berlin Defense, Hedgehog Variation (C66)
Related lines in the Ruy Lopez
- Ruy Lopez (C60)
- Ruy Lopez: Alapin Defense (C60)
- Ruy Lopez: Alapin Defense, Alapin Gambit (C60)
- Ruy Lopez: Brentano Gambit (C60)
- Ruy Lopez: Bulgarian Variation (C60)
- Ruy Lopez: Cozio Defense (C60)
- Ruy Lopez: Cozio Defense, Paulsen Variation (C60)
- Ruy Lopez: Cozio Defense, Tartakower Gambit (C60)
Train this opening
LibreChess runs Stockfish in your browser — play the Ruy Lopez 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.