Nimzo-Indian Defense: Romanishin Variation, English Hybrid

The first move played by white in this opening is d4. The aim of this move is to establish control over the center of the board. By controlling these central squares, white is able to put pressure on black and restrict their options for both piece placement and pawn movement. Additionally, d4 introduces the possibility of developing the queen's bishop to the c4 square, which can then create potential threats against black's king. In sum, d4 is a critical move to kick off the game and set the tone for the rest of the match.

Black's first move of Nf6 is aimed at putting pressure on the d4 pawn, which is the cornerstone of White's central control. This move forces White to either defend this pawn or perhaps withdraw it altogether, which could allow for Black to gain control over the center themselves. Additionally, Nf6 is a flexible move that leaves open the possibility of Black playing into a wide range of openings, depending on how White responds. In sum, Nf6 allows Black to apply early pressure and gain momentum in the game.

Following Black's opening move of Nf6, White's c4 move aims to control the important d5 square in the center of the board. It creates a strong pawn duo with the d4 pawn, building a solid foundation for potential future pawn breaks. By controlling the central squares, White can restrict Black's tactical options and prepare for development of their pieces. Additionally, c4 liberates the White bishop on c1 and the knight on b1, making it a strong opening move. In sum, c4 establishes a strong pawn structure and sets White up for strong development.

In the Nimzo-Indian Defense: Romanishin Variation, English Hybrid, Black plays e6 after White's second move of c4. This move controls the d5 square, and prepares to develop the bishop on c8 to attack White's pawns by a fianchetto maneuver. It is also a flexible move that allows the Black Knight to develop on d7 or f6 depending on how the game unfolds. Additionally, by establishing a solid pawn structure, Black prepares for possible pawn breaks in the center, which can help to open up lines of attack on White's pieces. In sum, e6 is a strong and versatile move that allows for both defense and potential offense.

Following Black's move of e6, White's knight development move to Nc3 aims to support White's central control of the d4 square. This move prepares for the development of White's queen bishop and knight, which can both be useful in attacking Black's position. Additionally, Nc3 also frees up the Queen to move to other squares, as it no longer has to defend the c4 pawn. This move by White is a common theme in many opening variations, and is a solid foundation for future attacks. In sum, Nc3 strengthens White's position and prepares for coordinated development of the other pieces.

After the moves 1. d4 Nf6 2. c4 e6 3. Nc3, Black plays the move Bb4, which pins White's Knight to the Queen. This creates pressure on the c3 Knight, as White is now unable to move it without losing the Queen, or losing central control by taking with a pawn. Additionally, Bb4 prepares the way for future development of Black's Knight and Bishop, as well as setting up a possible exchange of the Bishop for the Knight, which can weaken White's pawn structure. In sum, Bb4 is a strong and versatile move that puts early pressure on White's position.

In the Nimzo-Indian Defense: Romanishin Variation, English Hybrid, White plays Nf3 following Black's move of Bb4. This move defends the pawn on d4, which is under attack from the Bishop. It also enables White to block the check against the king from the Bishop, as well as developing the Knight and preparing for possible pawn breaks in the center of the board. Additionally, Nf3 frees up the Queen to move to other squares, and sets the stage for coordinated piece development by White. In sum, Nf3 is a solid move that strengthens White's position and prepares for future opportunities to attack.

After 4. Nf3 in response to Bb4, Black aims to play c5 as a means of challenging White's center control. This move allows Black to counterattack and challenge both the d4 and e4 squares, potentially creating weaknesses in White's position. It also develops the Queen's Bishop, and can create opportunities for Black to bring their other pieces into play. Additionally, the move opens up lines for Black's Queen and creates space for the Knight on f6 to maneuver. In sum, c5 is a strong and aggressive move that challenges White's position and sets the stage for exciting and dynamic gameplay.

Following Black's move of c5, White plays g3 to develop the bishop on g2. This move allows White to control the vital diagonal from a8 to h1, letting the bishop exert pressure on the center of the board. Additionally, g3 sets up a potential fianchetto of the King's bishop, which can create threats against Black's position by attacking their pawn structure. The move also prepares for future pawn breaks on the queenside, particularly b4 and/or a4, which can open up lines for White's pieces and create possible weaknesses in Black's position. In sum, g3 is a flexible move that strengthens White's position and sets up multiple opportunities for future attacks.

In the Nimzo-Indian Defense: Romanishin Variation, English Hybrid, Black plays cxd4 after White's move of g3. This move exploits the potential weakness caused by White's pawn move and helps relieve pressure on Black's pawn structure, while creating a passed pawn in the center of the board. Additionally, cxd4 opens up lines for Black's Queen and Bishop, and can help Black to develop additional pieces in the future. The move also removes the pawn that was blocking the development of the Knight, allowing for further piece mobilization. In some cases, this move can also lead to the creation of pawn chains that can offer strategic advantages for Black. In sum, cxd4 is a strong move that can set Black up for a more coordinated and effective gameplay.

White plays Nxd4 in response to Black's cxd4 to capture the pawn and reestablish control over the central squares. This move also develops the Knight and strengthens White's position. Additionally, by exchanging pawns, the position opens up, allowing for more dynamic gameplay and potential exchanges that can lead to weaknesses in Black's position. Nxd4 also frees up the Queen's Bishop, making it easier to develop the piece and potentially put pressure on Black's position. In sum, Nxd4 is a solid move that puts White in a good position to take advantage of potential weaknesses in Black's position.

After White's move of Nxd4, Black chooses to castle kingside with O-O. This move brings Black's king to safety by developing it to the corner and connecting the rooks, which facilitates their centralization and potential doubling on open files. Additionally, by castling, Black removes their king from potential future threats and creates the possibility for pieces to be moved to more attacking positions. The move also connects Black's rooks, making it easier to coordinate defenses and threaten attacks against White's position. In sum, O-O is a wise strategic move that strengthens Black's position and prepares for future tactical opportunities.

In the Nimzo-Indian Defense: Romanishin Variation, English Hybrid, White plays Bg2 after Black's move of O-O. This move helps to activate the Bishop on the long diagonal and reinforces control over the vital central squares. Additionally, Bg2 prepares for the possibility of a future pawn push with f4, which can lead to an attack on Black's position. The move also potentially opens up an avenue for the Queen to enter the game via h5 and create pressure on Black's position. In sum, Bg2 is a solid move that strengthens White's position and sets up opportunities for future threats against Black.

Following White’s move of Bg2, Black plays d5 which challenges White’s control of the center of the board and creates the potential for exchanges that can weaken White’s position. The move also opens up the line for Black's forceful Queen, which can put pressure on White's position. By leveraging this move, Black can potentially gain control over the center of the board and generate opportunities to stage an attack on White's weakened position. Additionally, d5 prepares the way for completion of Black's pawn chain and creates potential pawn breaks that can threaten White’s position. In sum, d5 is a dynamic and versatile move that puts Black in a strong position to exploit potential weaknesses in White's position.

After Black's move of d5, White's potential response with cxd5 opens up the center of the board and creates more possibilities for tactical exchanges. Additionally, cxd5 recaptures the pawn Black took on d4, which was controlled by the White Knight. This move can also create opportunities for White to gain control over the center and potentially launch attacks against Black's position. Furthermore, by capturing the d4 pawn, cxd5 opens up the position for the White Queen's Bishop, which can potentially be used to create threats along the diagonal or support an attack by other pieces. In sum, cxd5 is a sound move that can help White to seize the initiative and put pressure on Black's position.

In the Nimzo-Indian Defense: Romanishin Variation, English Hybrid, after White's move of cxd5, Black responds with Nxd5. This move opens up the position, which favors Black's more active piece placement, and removes the pawn that was impeding the mobility of the Knight on f6. Furthermore, Nxd5 creates the potential for an interesting pawn-struture, by creating doubled pawns on White's side of the board, or disrupting White's pawn formation altogether. This move also strengthens Black's control over the d4 square and gives Black Knight a strong central position. In sum, Nxd5 is a dynamic move that potentially creates some minor weaknesses in Black’s pawn position while strengthening their active pieces.