Ruy Lopez: Classical Variation, Central Variation

In the Ruy Lopez: Classical Variation, Central Variation, the first move e4 by white is a central pawn move that aims to control the center of the board. The pawn move also opens a line for the queen and bishop while developing the knight on f3. This move puts immediate pressure on the black pawn on e5, forcing black to either defend it or exchange it. White's aim is to gain control of the center with a strong pawn presence, while increasing the overall mobility of their minor pieces.

The move e5 by Black in response to e4 by White is a mirror image of White's aim to control the center. The move also opens lines for Black's bishop and queen while developing their knight on c6. The pawn move also aims to challenge White's control of the center and create counterplay. By placing a pawn on e5, Black creates a strong pawn duo in the center, which can be used to control important squares and restrict White's pieces' mobility. The move is popular in many openings, and it is a common strategy to control central squares and gain space on the board.

The move Nf3 by White follows the principle of developing minor pieces towards the center of the board. The knight move not only develops the piece but also eyes the pawn on e5. By placing the knight on f3, White also sets up potential attacks on Black's e5 pawn or d5 pawn in the future. The move also creates a threat of pawn to g5 in some variations. The knight on f3 controls important central squares, and it can also be used to support other pieces, such as the queen or bishop. In sum, the move Nf3 is played to gain more control over the center and develop pieces harmoniously.

In the Ruy Lopez: Classical Variation, Central Variation, Black's move Nc6 seeks to challenge White's control of the center. The knight move also prepares the d5 pawn break, another way to contest White's space advantage. Developing the knight on c6 also attacks the pawn on e5, forcing White to defend it or capture the Black knight. The move also sets up potential tactics with the Queen and bishop in the future. Finally, the knight on c6 can also allow Black to develop their light-squared bishop to a more active square if White trades the knights with the move Ng5. In sum, the move Nc6 is a flexible developing move that challenges White's central control but also prepares Black's counterplay.

The move Bb5 by White is a part of many different openings and has several aims. The first is to pin the knight on c6, which restricts Black's options to defend or move the knight. Secondly, the bishop move eyes the weakened f7 square, which can be a potential target for White's pieces later in the game. The move also develops the bishop to an active square, preparing to castle kingside. Additionally, the bishop on b5 opens up the possibility of exchanging the black knight on c6 for the white bishop, damaging Black's pawn structure. Lastly, the bishop on b5 places pressure on the e5 pawn, forcing Black to defend it or exchange it, which can have consequences for Black's pawn structure. In sum, the move Bb5 is a multi-purpose move that aims to put pressure on Black's position and develop White's pieces actively.

The move Bc5 by Black sets up a counterpin on the knight on f3 and challenges White's control of the center. The bishop also targets the knight on f3, making it difficult for White to develop their pieces naturally. The move also puts pressure on the pawn on e4, forcing White to either defend it or exchange it for the bishop on c5. Additionally, the bishop on c5 opens up the potential to castle queenside in some variations. Finally, the bishop on c5 can be rerouted to a more active diagonal if White exchanges the bishops with the move d4. In sum, the move Bc5 is a flexible move that allows Black to challenge White's central control and create counterplay.

In the Ruy Lopez: Classical Variation, Central Variation, the move c3 by White supports the pawn on d4 and restricts the Knight on b4, preparing to gain control over the d4 square. The move also prepares to develop the Queen to d2, setting up potential attacks against the Black pawn on h6 or f6. The pawn on c3 also creates a potential hideout for the White bishop if it retreats to b3. Additionally, the pawn on c3 can be used in certain variations to deter the push of Black's pawn to d4 by making the exchange less desirable for Black. Lastly, the pawn on c3 can also support the pawn push to d4 in some situations. In sum, the move c3 has many purposes, including improving White's central control, preparing attacks, and creating more flexible options for White's pieces.