Alekhine Defense: Modern Variation, Keres Variation

In the Alekhine Defense, White aims to control the center of the board with their pawn move e4. This creates more space for their pieces and provides better mobility. By advancing their pawn to e5, White also limits Black's knight from moving to its optimal squares at d7 or f7. This move sets the stage for a complex battle for control of the board.

Black's knight move to Nf6 challenges White's control over the center of the board, in particular the e5-square. By placing the knight on f6, Black prepares to attack White's pawn at e4 and creates a threat of advancing the knight to g4 in order to further pressure White's position. This move also prepares to castle kingside, a common response in many openings. In sum, Nf6 is an aggressive opening move that allows Black to gain counterplay early in the game.

White's move to e5 aims to solidify their control over the center of the board and further limit Black's knight on f6. With this move, White also gains space and creates a potential threat of advancing their pawn to d4 or f4, which could open lines for their pieces and further disrupt Black's defenses. While Black has successfully disrupted White's control over the center with their knight move, White's e5 move seeks to regain the initiative and force Black to respond to their strategic plan.

In the Alekhine Defense: Modern Variation, Keres Variation, Black's move Nd5 aims to challenge White's pawn structure and gain control over the central squares. By putting pressure on the pawn at e5, Black aims to force White to either exchange knights or retreat their pawn. This move also maintains Black's hold over the f6 square and helps to control the center of the board. By placing their knight on d5, Black develops a piece and prepares to castle kingside while keeping the pressure on White's position.

White's move to d4 in this position aims to take advantage of the undefended knight on d5. By attacking Black's knight, White can force an exchange of pieces and open up lines for their own pieces. Additionally, advancing the pawn to d4 puts pressure on Black's pawn at e5, which may force Black to make a decision between exchanging pawns or retreating their knight to c6. This move also helps to control the center of the board and expands White's potential for further development. In sum, the move d4 is a powerful pawn push that aims to disrupt Black's position and give White more control over the board.

Black's move d6 aims to solidify their pawn structure and limit the potential for White's pawn to advance further in the center. By placing their pawn on d6, Black prepares to develop their dark-squared bishop and prepare for castling kingside. Additionally, the pawn move provides support for Black's knight on d5, which puts pressure on White's position and limits their potential for further development. The move d6 is a solid response to White's d4 move, which seeks to control the center of the board and gain space.

In the Alekhine Defense: Modern Variation, Keres Variation, White's move Nf3 aims to develop a piece and prepare for castling kingside. The knight on f3 also helps to control the center of the board and provides protection for White's pawn on e5. Additionally, the knight may later be used to support White's pawn push to f4, which can advance their attack on Black's position. The move Nf3 also puts pressure on Black's knight on d5, which may force Black to make a choice between exchanging knights or retreating to c6. In sum, the Nf3 move sets up White's position for further development and control of the board.

Black's move g6 aims to fianchetto their bishop on g7 and establish a strong diagonal towards White's castled position. This move also helps to solidify Black's kingside and prepare for a potential pawn storm from White. Additionally, the move g6 can help to limit White's control over the f5 square and restrict the movement of White's knight on f3. By fianchettoing the bishop on g7, Black can also strengthen their overall position and create tactical opportunities on both sides of the board. In sum, the move g6 is a strategic choice that supports Black's development and prepares for potential threats from White.

White's move to Bc4 aims to put pressure on Black's kingside position and potentially disrupt their fianchetto formation. By placing the bishop on c4, White also eyes the pawn on f7 and potentially prepares for further pawn advances on the kingside. Additionally, the bishop on c4 adds support to White's pawn on e5 and prepares to castle kingside. This move may also put pressure on Black's queen on d8, which may limit its ability to move to beneficial squares. In sum, the Bc4 move is a strategic choice that aims to take advantage of the weaknesses in Black's position and sets up White's pieces for further development.

In the Alekhine Defense: Modern Variation, Keres Variation, Black's move Nb6 aims to challenge the bishop on c4 and potentially gain control of the center of the board. By placing the knight on b6, Black also prepares to support their pawn on d6 and potentially pressure White's position. Additionally, the knight on b6 controls the c4 square and prevents White's pieces from occupying it. This move also sets up potential tactical opportunities for Black, such as a possible fork on c4 with the knight and a pawn. In sum, the Nb6 move is a solid response to White's Bc4 move, which aims to disrupt Black's formation and put pressure on their position.

White's move to Bb3 aims to protect the bishop on c4 and potentially prepare for a possible pawn push to c5. By placing the bishop on b3, White also eyes the a2-g8 diagonal and potentially limits Black's options for their dark-squared bishop. Additionally, the bishop on b3 supports the pawn on e5 and potentially prepares to castle queenside or kingside depending on the game's position. This move also sets up potential tactical opportunities for White, such as potentially exchanging their bishop on c4 for Black's knight on b6. In sum, the Bb3 move continues White's development and aims to put further pressure on Black's position.

In this position, Black's move Bg7 aims to develop their last minor piece and complete their king's defense. By placing the bishop on g7, Black also eyes the long diagonal towards White's king and potentially prepares for a kingside attack. Additionally, the bishop on g7 helps to control the center of the board and potentially prevents White's pawn push to f4. This move also potentially prepares for a future pawn push to f5, which could gain space and expand Black's position. In sum, the Bg7 move is a solid response that supports Black's development and prepares for potential tactical opportunities on both sides of the board.

In the Alekhine Defense: Modern Variation, Keres Variation, White's move a4 aims to create a potential attack on Black's queenside and potentially limit Black's options for their knight on b6. By advancing the pawn to a4, White also prepares to place their rook on a1 and potentially open up lines on that side of the board. Additionally, the pawn push to a4 potentially weakens Black's pawn structure and creates tactical opportunities for White on the queenside. This move may also prepare for future pawn pushes to b5, which could further restrict Black's position and gain space for White's pieces. In sum, the a4 move is a strategic choice that prepares White's position for further development and tactical opportunities on both sides of the board.