Connect Four Opening Strategy — Best First Moves

The opening moves in Connect Four matter more than most players realize. Where you place your first few discs sets the foundation for the entire game. Let's look at what the math — and strong players — tell us about the best way to start.

The Center Column Is King

If you're the first player, always start in the center column (column 4). This isn't just a rule of thumb — it's mathematically proven to be the optimal opening.

Why? The center column intersects with more potential four-in-a-row lines than any other position:

  • It contributes to multiple horizontal lines across the middle rows
  • It anchors vertical connections straight up
  • It's part of diagonals going both directions

The optimal opening — start in the center and build from there
The optimal opening — start in the center and build from there

Starting anywhere else as the first player gives up a proven advantage. In fact, starting in the outermost columns (1 or 7) is so weak that the second player can force a win with perfect play.

A weak opening — playing on the edge gives your opponent the center
A weak opening — playing on the edge gives your opponent the center

What the Math Says

Connect Four was solved in 1988. The key finding for openings:

First Move (Column)Result with Perfect Play
Column 4 (center)First player wins
Columns 3 or 5Draw
Columns 1, 2, 6, or 7Second player wins

This means your very first move already determines the theoretical outcome of the game. Of course, no human plays perfectly — but starting in the center gives you the best practical chances too.

Responding to the Center Opening

If your opponent starts in the center, your best response is to play in column 3 or column 5 (the columns adjacent to center). This contests control of the central zone and gives you the best drawing chances.

Avoid responding on the edges — it gives the first player too much freedom to dominate the middle of the board.

The First Few Moves

After the opening drops, the early game follows a few key patterns:

Build central presence. Your first 3-4 moves should focus on columns 3, 4, and 5. This "power zone" gives you maximum flexibility to extend in any direction.

Don't stack too high too fast. Piling pieces in one column early limits your options. Spread your first few moves across 2-3 adjacent central columns.

Watch your opponent's structure. If they're building on one side, consider contesting that side rather than letting them develop freely. But don't chase them to the edges at the expense of center control.

Opening Traps to Know

Even in the early game, there are traps to watch for:

  • The vertical stack. If your opponent gets three in a column with room above, you must block immediately. Vertical threats have only one answer.
  • The low diagonal setup. Two pieces placed diagonally in the bottom rows can develop into powerful threats. Watch for diagonal patterns early — they're easier to miss than horizontal ones.
  • The mirror trap. Some players try to mirror their opponent's moves exactly. This can work for a while, but it fails when the mirroring player runs out of symmetrical options. Don't rely on mirroring as a strategy.

Opening Principles Summary

  1. First player: Start in column 4. Always.
  2. Second player: Respond in column 3 or 5.
  3. Both players: Focus on columns 3-4-5 in the first few moves.
  4. Spread out: Don't stack everything in one column.
  5. Stay alert: Watch for vertical and diagonal setups from your opponent.

Keep Learning

The opening is just the beginning. Once you've established a strong start, you need mid-game tactics to convert your position into a win. Check out our full strategy guide for the principles that matter most.

Ready to practice your openings? Play against the computer where you can experiment freely, or jump into a ranked match to test your skills.