Control the center
The center column touches more possible four-in-a-row lines than an edge column. Early center pieces keep horizontal, vertical, and diagonal options open.
Connect 4 strategy
How to win more Connect 4 games
Check for your own immediate win first, then block an opponent’s immediate win. If neither exists, build center control and look for two playable winning threats. The solver is useful because it turns those ideas into a concrete column choice for the board in front of you.
Block immediate wins
Before chasing your own plan, check whether the opponent has three connected pieces with an open fourth space. Forced blocks matter more than quiet setup moves.
Create double threats
A double threat gives you two distinct, immediately playable winning squares on the next turn. A square floating above an empty space is not yet playable. If the opponent can block only one, the second line wins.
Avoid helping the opponent
Some moves look safe but place a disc underneath the opponent's winning square. Use the solver to catch these support mistakes before committing.
Practice with a real board
Try columns 4, 1, 4, 1, 4, 2 in order. Red can now win by playing column 4. Recreate the position and compare the highlighted move. Look for center access, a forced block, or a threat that cannot be stopped cleanly.
Read the solver guide