"Instead of the standard Bb4, the player opts for a6. It succeeds by maintaining a solid objective evaluation while changing the character of the game. This move challenges the opponent."
The move a6 signals the Ruy Lopez: Morphy Defense, steering the game into independent territory.
Trajectory: In the resulting middlegame, players must focus on how to control the key diagonals to exert long-term pressure. Plans should focus on how to control the long diagonal to exert lasting pressure and develop rapidly.
Structure: The board features a Fianchetto. With a draw rate of 31%, the position is solid. Engines evaluate it at -0.25.
Also known as: Spanish: 3...a6, Ruy Lopez, 2. Nf3 Nc6 3. Bb5 a6, Morphy Defense, Ruy Lopez; C68
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