Nimzo-Indian Defense: Normal Variation, Schlechter Defense

A solid and flexible chess opening for Black, focusing on controlling the center and creating imbalances in pawn structure.

The Schlechter Defense is a variation of the Nimzo-Indian Defense, a popular and well-respected opening that arises after specific moves. In this variation, Black aims to control the center and create imbalances in the pawn structure, while White tries to maintain a strong pawn center and develop their pieces harmoniously. The Schlechter Defense is characterized by Black's decision to castle kingside and play specific moves, preparing to fianchetto their light-squared bishop.

This opening is named after the Austrian chess player Carl Schlechter, who was one of the strongest players in the early 20th century. The Schlechter Defense is considered a solid and flexible choice for Black, as it allows for various pawn structures and piece placements depending on how the game unfolds.

In the Schlechter Defense, Black's main idea is to put pressure on White's center, especially a particular pawn, and provoke weaknesses in White's pawn structure. This can be achieved by exchanging the dark-squared bishops and using the knights and light-squared bishop to attack the center.

White, on the other hand, should aim to maintain a strong pawn center and develop their pieces harmoniously. The main challenge for White is to find the right moment to advance their central pawns and create threats against Black's position.

Overall, the Schlechter Defense is a solid and flexible opening choice for Black, suitable for players who enjoy playing with imbalances and fighting for the initiative from the very beginning of the game.