Réti Opening: Anglo-Slav Variation, Capablanca Variation

A flexible and hypermodern chess opening that focuses on controlling the center with pieces rather than pawns, often leading to a rich middlegame.

The opening is named after the Czech Grandmaster Richard Réti and is a variation of the Anglo-Slav Defense, which was popularized by the Cuban World Champion José Capablanca. It is characterized by the fianchetto of the light-squared bishop and the knight's development to f3. The opening aims to control the center with pieces rather than occupying it with pawns, allowing for a more fluid pawn structure.

In this variation, Black responds with a solid pawn structure, playing d5 and c6, and develops the knight to f6. The light-squared bishop is developed to g4, pinning the knight on f3 and exerting pressure on the d4 square. White's plan typically involves undermining Black's pawn center with moves like c4 and b3, while Black aims to maintain a solid pawn structure and gradually expand in the center.

The opening can lead to a variety of pawn structures and middlegame plans, making it a rich and flexible choice for both players. It is well-suited for players who prefer a more strategic and less tactical battle, as it often leads to slower, maneuvering games.

The opening has been played by many top-level players, including former World Champions Anatoly Karpov and Garry Kasparov. It remains a popular choice at all levels of play, offering a solid foundation for both sides and the potential for a rich and complex middlegame.