French Defense: Exchange Variation, Svenonius Variation

In the French Defense: Exchange Variation, Svenonius Variation, white plays e4 in order to control the center of the board and gain more space for development. This move also helps to open up lines for white's pieces and put pressure on black's position. By securing a strong central pawn structure, white sets the stage for a strong attack on black's position. Additionally, playing e4 allows white to bring their queen and bishop into the game in the future.

Black plays e6 after 1. e4 as a way to control the d5 square. This move also prepares the development of the knight to f6, which could defend the d5 pawn and prepare ...dxc4 capture. Playing e6 also helps to create a barrier for the white pawn to advance to e5, which could lead to a strong control of the center for the white pieces. Additionally, the e6 pawn can support a future central pawn break with ...d5, restoring balance in the position.

White plays d4 after 1. e4 e6 to immediately challenge the black pawn on e6 and gain control over the central squares. This move also threatens to advance the pawn to d5, forcing the black pieces to retreat and potentially weakening their position. By controlling the center and opening lines for the queen and bishop, white hopes to gain a positional advantage and put pressure on the black position. Additionally, the move d4 also helps with the development of the white pieces as they can now aim to dominate the center of the board.

In the French Defense: Exchange Variation, Svenonius Variation, Black plays d5 in order to contest the center and challenge white's pawn on d4. This move also helps Black to gain more space in the center and create counterplay against the white position. By placing a pawn on d5, Black prepares to open lines for their pieces and put pressure on white's pawn structure. Additionally, playing d5 allows Black to activate their queen and bishop along the central files, making it easier to coordinate their pieces and launch an attack against the white position.

After 1. e4 e6 2. d4 d5, White plays Nc3 to develop a piece and prepare to control the d5 square. This move protects the d4 pawn and also opens the possibility for white's light-squared bishop to be developed. Additionally, by controlling the d5 square, white limits Black's counterplay and makes it more difficult for them to challenge white's position. The knight on c3 also has the potential to be advanced to d5, allowing for the fork of Black's queen and knight if they are not careful. In sum, by playing Nc3, White continues to develop their pieces and improve their pawn structure, while maintaining control over the center of the board.

After 1. e4 e6 2. d4 d5 3. Nc3, Black plays Nf6 to develop a piece, control important central squares, and create potential threats against white's position. By developing the knight to f6, Black also prepares to castle and further connect their rooks. Additionally, the knight on f6 can sometimes be used to pressure the pawn on d4, particularly if White is unable to support it effectively. Furthermore, playing Nf6 may allow Black to temporarily establish a stronghold in the center with a future pawn advance to d4. In sum, playing Nf6 is a natural and flexible move that puts Black's pieces in a strong position while also posing some potential difficulties for White.

In the French Defense: Exchange Variation, Svenonius Variation, White plays exd5 in order to create a central pawn majority and simplify the position. By removing the pawn on d5, White eliminates Black's control of the center and gains more space for their pieces. This move also opens up the diagonal for the white light-squared bishop and gives it potential to become a powerful attacking piece. Additionally, the pawn structure resulting from exd5 can create targets for White to attack in the future, such as the isolated pawn on d5 or the weak pawn on c7. By playing exd5, White hopes to gain an advantage in the central control and create potential weaknesses in Black's position.

After 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5, Black plays exd5 to equalize the pawn structure and regain control of the center of the board. This move also opens up a line of attack for Black's light-squared bishop which could become a strong attacker. Additionally, playing exd5 may tempt White to recapture with their queen, which could disrupt their development and allow Black to maintain a strong pawn center. By playing exd5, Black also prepares to bring their rooks into play along the central files, further improving their position. In sum, exd5 is a natural and flexible move that helps to simplify the position and give Black a solid foundation from which to build.

After 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5, White plays Bg5 to provoke a weakness in Black's pawn structure and potentially force a favorable exchange of pieces. This move attacks the Black pawn on f6, forcing it to move and potentially weaken the pawn structure around the Black king. Additionally, playing Bg5 threatens to trade the bishop for Black's knight on f6, which would leave the e5 pawn isolated and potentially vulnerable to attack. By playing Bg5, White aims to put pressure on Black's position while also developing a piece and supporting future pawn advances. In sum, this move is a key part of White's plan to gain a positional advantage and build an attack on the Black position.