King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation

The move d4 is played by White in the King's Indian Defense opening to control the center of the board and gain more space on the board. This move also frees the bishop on c1 and the queen, allowing for better development of White's pieces. By playing d4, White also challenges Black's pawn on d6 and forces Black to make a decision about how to defend it. In sum, this move is a key element in White's strategy to control the game from the beginning.

After the move 1. d4 by White, Black responds with Nf6. This move is played to develop the knight to a good square and control the center of the board. Nf6 also allows Black to prepare to fianchetto the bishop later, which can be a powerful tool in controlling the game. Additionally, by playing Nf6, Black is indirectly attacking White's pawn on d4, creating a potential weakness for White to defend. All in all, Nf6 is a strong move for Black that sets them up for a solid position.

The move c4 by White is played to control the center of the board and gain more space. c4 also opens a diagonal for White's queen and bishop to become more active. By playing c4, White aims to create a strong pawn structure, with pawns on d4 and c4, establishing a powerful central position. Additionally, c4 also prepares for the development of White's knight to c3. All in all, c4 is a strong move for White that sets them up for a strong position in the game.

In the King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation, after the moves 1. d4 Nf6 2. c4, Black wants to play g6. This move is called fianchetto and is played to develop the bishop to a good square, control the long diagonal, and prepare for a strong defense. By playing g6, Black also makes it difficult for White to place their bishop on the long diagonal and forces them to make a decision about the placement of their own pieces. In addition, g6 also allows Black to prepare for a potential attack on the kingside. All in all, g6 is a solid move for Black that sets them up for a strong position in the game.

After the moves 1. d4 Nf6 2. c4 g6, White wants to play Nc3. This move is played to develop the knight and control the center of the board. By placing the knight on c3, White also prepares to put pressure on Black's pawn on d5. Additionally, Nc3 also frees up the queen and bishop for further development. Moreover, Nc3 is an important move because it puts pressure on Black's position and keeps White in control of proceedings. All in all, Nc3 is a key move for White in the King's Indian Defense opening.

After the moves 1. d4 Nf6 2. c4 g6 3. Nc3, Black wants to play Bg7. This move is called fianchetto and is played to develop the bishop to a strong diagonal, control the long diagonal, and defend against any potential attacks on the kingside. By playing Bg7, Black also prepares for further development of the knight on f6, either to e4 or d7. The fianchetto also puts pressure on White's center and makes it challenging for White to develop their pieces effectively. Moreover, Bg7 is a strong move for Black that can set them up for a powerful position in the game.

In the King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation, after the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7, White wants to play e4. This move is played to take control of the center and gain more space on the board. By playing e4, White also frees up their bishop on c1 and allows for quicker development of their pieces. Moreover, e4 also puts pressure on Black's position, making it more challenging for them to castle their king. Additionally, e4 can lead to a tactical game, which can favor White's aggressive strategy. All in all, e4 is a move that is key to White's strategy in the King's Indian Defense opening.

After the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4, Black wants to play d6. This move is played to support the knight on f6 and control the center of the board. By playing d6, Black also prepares to castle their king and establish a strong defensive position. Moreover, d6 can also protect against any potential attacks by White. Additionally, d6 paves the way for further development of Black's pieces, including the bishop on f8 and knight on d7. All in all, d6 is a solid move for Black that sets them up for a strong position in the game.

After the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6, White wants to play f3. This move is played to prevent Black's knight on g4 from attacking White's pawn on e4. By playing f3, White also aims to control the center of the board and gain more space, building a strong pawn structure. Moreover, f3 can also prepare for a potential attack on the kingside by White's pieces. Additionally, f3 can make it more challenging for Black to put pressure on White's position, particularly the pawn on e4. All in all, f3 is a move that assists White's strategy in the King's Indian Defense opening.

In the King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation, after the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3, Black wants to play O-O. Castling the king allows for better defense and protection against potential attacks from White's pieces. By castling kingside, Black also frees up their rook on h8 and can prepare to bring this piece into the game. Moreover, castling allows Black to connect their rooks and establish a solid position. Additionally, castling can put a psychological pressure on White to maintain the initiative and momentum in the game, allowing Black to potentially seize control of the board. All in all, O-O is a strong move for Black that sets them up for a good position in the game.

After the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O, White wants to play Nge2. This move is played to develop the knight and prepare to castle kingside. Nge2 also puts pressure on Black's position, particularly the pawn on d5. Moreover, by playing Nge2, White can control the center of the board and potentially prepare for an attack on the kingside. Additionally, Nge2 frees up White's queen and bishop for further development. In sum, Nge2 is a key move for White that helps to solidify their position in the game.