C72
Ruy Lopez: Modern Steinitz Defense
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6
The Ruy Lopez: Modern Steinitz Defense is a chess opening classified under ECO code C72. It is reached after the moves 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6.
It belongs to the Ruy Lopez family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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