Nimzo-Larsen Attack: Pachman Gambit

In the Nimzo-Larsen Attack: Pachman Gambit, White starts the game with the move 1. b3. The idea behind this move is to control the long diagonal a1-h8, which can be useful for the development of the bishop on b2. Additionally, the pawn on b3 can support the knight on c4 and prevent Black from playing an early ...c5. In sum, this opening is a good choice for players who prefer a more positional approach and want to avoid well-known mainline openings. After 1. b3, Black can respond with a variety of moves, but the most common one is 1... e5, which allows White to continue with 2. Bb2 and 3. f4. This move order is called the Pachman Gambit and aims to create tactical opportunities and disrupt Black's pawn structure.

Black's move 1... e5 after 1. b3 aims to control the center and gain space. By advancing the pawn to e5, Black creates a pawn chain from d6 to e5, which can provide good support for Black's pieces and limit the range of White's bishops. Additionally, the pawn on e5 can serve as a platform for Black's knight on c6 to potentially jump to d4. This pawn move also puts pressure on White's pawn on b3 and prevents the bishop on b2 from occupying the c3 square. In sum, playing e5 is a solid and flexible response by Black against the opening move b3.

In the opening position of 1. b3 e5, White's second move is usually Bb2. This move supports White's plan of developing their pieces in a flexible and versatile manner. Developing the bishop on b2 puts pressure on Black's pawn on e5 and controls the long diagonal a1-h8, which is an important diagonal in many variations of the Nimzo-Larsen Attack. Furthermore, the bishop on b2 can provide support for White's pawn on d4, while also keeping an eye on Black's queen bishop pawn on c5. This move also prepares for the future castling of the king to the queenside, which can be a safe and advantageous position in many games. In sum, playing Bb2 is a natural and effective way for White to continue their development and put pressure on Black.

In the Nimzo-Larsen Attack: Pachman Gambit, after 1. b3 e5 2. Bb2, Black can respond with the move Nc6. This move aims to develop the knight and puts pressure on White's bishop on b2. By placing the knight on c6, Black attacks the b2-pawn and prepares to advance the d-pawn, which can gain space and provide support for black's pieces in the center of the board. Additionally, the knight on c6 can also jump to d4, where it can potentially control important squares such as e2, f3, and b3. This move can also help Black prepare for potential exchanges on the c-file, which can disrupt White's control of the board. In sum, playing Nc6 is a flexible and useful move for Black in the Pachman Gambit, as it helps to develop the pieces and gain space.

In the opening position of 1. b3 e5 2. Bb2 Nc6, White's move f4 is a pawn sacrifice that opens up the center and aims to create pressure on Black's position. The f4 pawn move also supports the bishop on b2 and allows the f-pawn to potentially advance further towards Black's kingside. Additionally, this move creates tactical opportunities for White by giving them the possibility to play e4, which will further open up the center and increase their control of the board. By playing f4, White also creates a threat to capture Black's e5 pawn, which could force Black to make defensive moves and relinquish control of the center. In sum, this move is a dynamic and aggressive way for White to continue their attack and put pressure on Black in the Pachman Gambit.