Openings
What does main line mean in chess?
- Opening
- Plans
- Move Order
A mainline is the most established or heavily analyzed continuation in an opening. Learn it as a guide to the position's main plans, not as a script to follow blindly.
Main line FAQ
What does main line mean in chess?
A mainline is the most established or heavily analyzed continuation in an opening. Learn it as a guide to the position's main plans, not as a script to follow blindly.
Train this pattern on your own games
Reading a definition is not the same as spotting the pattern with a clock running. Chessiro's free PGN analysis runs Stockfish 19 over every move you play, names the concept behind each mistake, and turns the positions where it cost you into training puzzles. You can also see the idea in action in the classic games collection, where the greatest players in history demonstrate it.
Related terms
Free game review
See where this pattern decides your games
Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.
