The strategy to chess

Chess strategy is the long-term planning and coordination of pieces to achieve a favorable position, setting the foundation for tactical success and ultimate victory. Unlike tactics, which are short-term, forcing sequences, strategy focuses on positional advantages, piece activity, and structural integrity. To excel at chess, one must shift from merely responding to threats to formulating a comprehensive plan that guides every move. The cornerstone of good strategy begins in the opening, where the battle for central control determines the flow of the game.

The Foundation: Opening Strategy
The first ten to fifteen moves should be dedicated to three main goals: controlling the center, developing pieces, and ensuring king safety. The central squares—d4, e4, d5, and e5—are the most crucial, as pieces placed there have maximum influence over the board. Opening with a central pawn (e.g., 1.e4 or 1.d4) allows for rapid mobilization of minor pieces.
Developing pieces efficiently means moving knights before bishops to their most active squares, usually aiming toward the center rather than the flanks. A key strategic principle is not to move the same piece twice in the opening unless necessary, ensuring all pieces are brought into the game. Furthermore, developing with threats—forcing the opponent to react—gives you the initiative.
King safety is paramount, generally achieved by castling within the first ten moves, preferably kingside, to tuck the king behind a protective wall of pawns. Connecting the rooks, which occurs naturally after developing the back rank and castling, ensures they can work together in the middlegame. Overextending or moving too many pawns in the opening often leads to weaknesses that the opponent can exploit later.

The Middlegame: Positional Principles
Once the pieces are developed, the strategy shifts to optimizing piece activity and creating imbalances. An active piece is one that controls many squares and exerts pressure, while a passive piece is restricted. A core strategy is to constantly improve your worst-placed piece, ensuring that all 16 pieces contribute to the overall plan.
"Workers" are active pieces, while "lazy" pieces are not doing much—strategy dictates activating the latter. This "worker" framework can also be used to identify "traitors," which are your own pieces hindering your plans, which should be traded off. The exchange of pieces is a vital strategic tool, usually done to remove an opponent's active piece or to simplify the game when ahead in material.

Pawn Structure and Center Control
The pawns act as the skeleton of your position; their placement dictates where your pieces can stand and how your attack will flow. Strive to maintain a solid, connected pawn structure and avoid creating weaknesses such as isolated, doubled, or backward pawns. A pawn wedge in the center (e.g., pawn on d4/e5) can cramp the opponent's development and provide a spatial advantage.
Space advantage means your pieces have more room to maneuver than your opponent’s, which is often achieved through advanced pawn pushes. However, every pawn move creates a potential hole (weak square) in your position, so advance pawns with a clear purpose, not just to move them.

The Art of Evaluation
Before making a move, evaluate the position based on material (who has more pieces), king safety, and piece activity. If you have a material advantage, simplify the position by trading pieces to reach a winning endgame. If the opponent has a stronger position, look for complications to create a "novelty" or surprise that breaks their theoretical advantage.

Prophylaxis and Tactical Foresight
Prophylaxis, or thinking ahead, involves asking, "What is my opponent planning?" and preventing it before it happens. A strong player anticipates the opponent’s threats, making it difficult for them to execute their own strategic ideas. While focusing on strategy, it is essential to stay aware of tactical opportunities, such as pins, forks, and skewers, which are often the concrete execution of a strategic plan.

Endgame Strategy
In the endgame, when few pieces remain, the strategy changes drastically; the king becomes an active fighting piece and should be activated. The ultimate goal is to create a passed pawn—a pawn that has no opposing pawns preventing it from reaching the eighth rank. Knowing how to maneuver the king to support its own pawn while restricting the enemy king is crucial in king and pawn endgames.

Developing a Winning Mindset
Chess is a battle of wills; maintain concentration to spot the crucial details in a complex position. Strategy requires patience, as a game might unfold over many moves, requiring gradual improvements rather than immediate, explosive attacks. By consistently applying these principles—controlling the center, developing efficiently, ensuring safety, and improving piece activity—you can build a solid foundation for chess mastery.