The foundational skill for improving at chess tactics is the ability to observe tactical targets, as every combination begins with awareness of potential targets or weaknesses.
The lessons in this section are also available in a Lichess Study: https://lichess.org/study/GOqvBm18
The Importance of Understanding Tactical Targets
Tactical Targets: Undefended Pieces
Tactical Targets: Higher‑value Pieces
Tactical Targets: Nearly Trapped Pieces
Tactical Targets: Important Defenders
Tactical Targets: Overloaded Defenders
Tactical Targets: Pinned Pieces
Tactical Targets: Weak Back Rank
Tactical Targets: Important Squares
Your knowledge of common tactical targets in chess is a key part of your tactical skill. Make it a habit to constantly scan the board for potential tactical targets!