Forks target two or more enemy pieces simultaneously. Pins immobilize pieces by forcing them to protect a more valuable piece behind them. Skewers force valuable pieces to move by attacking less valuable ones.

A discovered attack is when one piece moves to reveal an attack from another. Sacrifices involve giving up material for long-term positional or tactical advantages.

These are moves that combine multiple threats and force your opponent to respond in ways that create weaknesses. They require deep foresight and precise timing.

Open lines are essential for rooks and queens to exert influence. Coordination between your pieces ensures they support one another, maximizing their impact.