: The "reverse pin"—attacking a valuable piece (like the King or Queen) to force it to move, exposing a lesser piece behind it.
: An attack on a piece that cannot move without exposing a more valuable piece behind it.
: Moving one piece to reveal an attack from a piece behind it. Secrets of chess tactics
According to Dvoretsky, tactical mastery is built on two pillars:
: These are the most forcing moves because the opponent must respond immediately. : The "reverse pin"—attacking a valuable piece (like
Most winning combinations are built from these fundamental "secrets":
: These force the opponent to decide whether to recapture or lose material. According to Dvoretsky, tactical mastery is built on
The " Secrets of Chess Tactics " refers most famously to the legendary training manual by , widely considered one of the most rigorous and effective guides for advanced players.