Ruy Lopez: Berlin Defense, Improved Steinitz Defense

1.
1. e4
2. e5
2.
3. Nf3
4. Nc6
3.
5. Bb5
6. Nf6
4.
7. O-O
8. d6

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The Ruy Lopez: Berlin Defense, Improved Steinitz Defense is a chess opening classified under ECO code C66 (Open games). It is a variation of the Ruy Lopez family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.