Nimzo-Indian Defense: Normal Variation, Bishop Attack

In the Nimzo-Indian Defense, White wants to establish control of the center of the board with the move d4. By placing a pawn on d4, White creates the opportunity for their pieces to exert more influence over the board. It also helps to develop the queen's bishop and potentially open up lines for the queen and rooks to enter the game. This move also puts pressure on Black's knight on f6 and limits its mobility, making it more difficult for Black to coordinate their pieces. In sum, d4 is a strong move that sets the stage for a dynamic game.

By playing 1...Nf6, Black seeks to challenge White's central control and put pressure on the pawn on d4. This move also allows Black to develop a piece and potentially threaten White's center with moves like ...d5 or ...e5. Additionally, placing a knight on f6 can help control key squares and potentially participate in an attack on White's king. In sum, 1...Nf6 is a solid and flexible move that supports Black's overall strategy in the game.

By playing c4 after 1.d4 Nf6, White aims to gain direct control over the central squares and create an opportunity to advance the c-pawn to attack Black's pawn on d5. This also frees up the c1-square for White's knight, allowing for further development and possible attacks. Additionally, the move c4 can lead to a wide range of openings, giving White options to choose from depending on how Black responds. In sum, c4 is a flexible and powerful move that puts pressure on Black to respond carefully.

In the Nimzo-Indian Defense: Normal Variation, Bishop Attack, after 1.d4 Nf6 2.c4, Black's move 2...e6 supports the control of the central squares and prepares to reinforce the pawn on d5. It also allows the possibility of bringing out the bishop on the c8-h3 diagonal and potentially prepare counterplay against White's pieces. By placing the pawn on e6, Black also aims to limit White's pieces that can move to the d5 square, creating a more solid position. In sum, this move sets up a solid foundation for Black's position and allows for flexibility in responding to White's future moves.

After 1.d4 Nf6 2.c4 e6, White's move Nc3 takes control of the d5 square and supports the central position. It also helps develop the knight while allowing the queen's pawn to remain protected. By placing the knight on c3, White creates the opportunity to castle on the king's side and potentially prepare for an attack. Additionally, this moves sets up the possibility of playing the move e4, further expanding White's control of the center. In sum, Nc3 is a flexible and strong move that puts White in a good position early on in the game.

In response to 1.d4 Nf6 2.c4 e6 3.Nc3, Black's move 3...Bb4 puts pressure on White's knight and attacks the pawn on c4. This move also develops the bishop and increases Black's control over the center of the board. Additionally, the bishop on b4 pins the knight on c3, restricting its mobility and making it more difficult for White to castle on the king's side. This move also sets up a possible exchange of the bishop for White's knight, which can potentially weaken White's pawn structure. In sum, 3...Bb4 is a strong move that prepares for further development and puts pressure on White's position.

In the Nimzo-Indian Defense: Normal Variation, Bishop Attack, after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4, White's move e3 prepares to support the pawn on d4 while also freeing up the bishop on d3 for future development. It also prevents Black's knight from attacking White's central pawn with a move like ...d5. This move also prepares for castling on the king's side and creates further opportunities for White to control the center of the board. Additionally, placing the pawn on e3 can help prevent Black's pieces from infiltrating White's position, creating a more secure position overall. In sum, e3 is a solid and flexible move that prepares for further development and consolidation of White's position.

In response to 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3, Black's move 4...O-O helps to activate the king and place it in safety. This move also helps to reinforce Black's pawn structure and connect the rooks, which may be useful for potential attacks against White's position. In addition, by castling on opposite sides of the board, Black can potentially create a dynamic game with possible attacks against White's king. In sum, 4...O-O is a solid move that helps further develop Black's position and puts the king in a more secure position for future maneuvers.

After 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O, White's move Bd3 helps to continue developing the bishop while also preparing for castling on the king's side. It also supports the pawn on e3 and puts pressure on Black's pawn on f6, potentially creating a weakness in Black's position. This move is also flexible, as the bishop can be used to attack Black's position or defend White's own pieces depending on how the game progresses. In sum, Bd3 is a strong and flexible move that helps continue the development of White's position.