How to Win at Gomoku: 8 Proven Strategies to Beat Any Opponent

Knowing the rules is just the start. To win at Gomoku, you need to understand why certain moves are stronger than others — and how to systematically force your opponent into unwinnable positions. These eight strategies cover everything from your very first move to closing out a won game.

1. Win the Center First

The single most important opening principle in Gomoku is to control the center of the board. The center (around position H8 on a 15×15 board) is the most powerful starting point because stones placed there are part of the maximum number of possible five-in-a-row lines — horizontal, vertical, and both diagonals.

When you occupy the center and your opponent plays far from it, you immediately have more options and more space to build threats. Your opponent is forced to react to you rather than building their own plan.

2. Build Open Threes

An open three is three of your stones in a row with both ends unblocked. This is a critical intermediate structure because it threatens to become an open four — and an open four almost always wins the game if your opponent can't block both ends simultaneously.

When you have an open three, your opponent must respond. When you have two open threes at once, they are in serious trouble. Focus your early and mid-game on building open threes in multiple directions.

How to build open threes efficiently

• Place stones so they extend existing lines rather than starting isolated new ones
• Build in at least two directions simultaneously — this makes blocking much harder
• Avoid creating lines at the edge of the board, where one end is already blocked by the border

3. Create an Open Four

An open four is four of your stones in a row with at least one open end. This is a near-automatic win — your opponent must block the open end immediately, and if they can't (because they have their own urgent threat), you win on the next move.

A straight four (four in a row with both ends open) is even more powerful: your opponent cannot block both ends in one move, so you will complete five on the very next turn.

4. Force a Win with Double Threats (Forks)

This is the most important winning technique in Gomoku. A fork (also called a double threat) is when you create two simultaneous winning threats. Your opponent can only block one, so you win on the next move by completing the other.

The most common fork types are:

• 3-3 Fork: Creating two open threes at once. In Renju rules this is forbidden for Black, but in freestyle Gomoku it is legal and very powerful.
• 3-4 Fork: Creating an open three and an open four simultaneously. Your opponent must block the four — then you extend the three into a four and win.
• 4-4 Fork: Creating two open fours at once. This is an immediate win since your opponent cannot block both.

How to set up a fork

Forks happen when your stones are arranged in an X or L shape so that completing one threat also builds toward a second threat. Look for moves that serve two purposes at once — advancing one line while simultaneously threatening a second direction.

5. Never Ignore Your Opponent's Threats

One of the most common ways beginners lose is by focusing only on their own attack and ignoring a growing threat. In Gomoku, an unblocked open four wins the very next turn. You must respond to it.

The general priority order for responding to threats:

1. Block a straight four (you will lose instantly otherwise)
2. Block an open four (you will lose on the next move otherwise)
3. Complete your own winning move if you also have an open four
4. Block an open three before it becomes an open four
5. Build your own threats

6. Use All Four Directions

Many beginners focus heavily on horizontal and vertical lines and forget about diagonals. This is a huge mistake — diagonal threats are just as powerful and often much harder to spot and block.

The four directions in Gomoku are:

• Horizontal (→)
• Vertical (↓)
• Diagonal down-right (↘)
• Diagonal down-left (↙)

When you build threats in multiple directions simultaneously, your opponent has a much harder time tracking and blocking all of them. Great players often win by setting up a diagonal threat while their opponent is preoccupied with blocking horizontal play.

7. Think in Sequences, Not Single Moves

Strong Gomoku players don't just think about their next move — they plan three, four, or five moves ahead. This is called sequence thinking, and it's what separates average players from good ones.

When evaluating a move, ask yourself:

• What is the best response my opponent has to this move?
• After their response, what is my best follow-up?
• Does this sequence lead to a position where I have more threats than my opponent can handle?

This type of thinking — imagining the game several moves ahead — is called reading the position. Practice by reviewing your games and looking for moves you missed.

8. Convert Threats to Wins: The Endgame

Sometimes you'll reach a position where you have a clear material advantage — more open threes, better board position — but you can't find the immediate fork. This is where endgame technique comes in.

The key technique is called VCF (Victory by Continuous Fours): a sequence of consecutive open-four threats that your opponent must block every single time, until you set up an unstoppable final position. Advanced players study VCF sequences to find forced wins even from positions that look like draws.

Practical endgame tips

• When ahead, simplify and convert: don't let your opponent back into the game by getting fancy
• When behind, look for counter-threats that force your opponent to defend before they can complete their own attack
• If you can't find a fork, create an open four and force your opponent to respond — then look for the fork after their forced move

"Gomoku is decided in the moment you create a threat your opponent cannot answer with a single move. Everything before that is preparation."

Putting It All Together

Here's a simple framework to apply in every game:

1. Opening: Claim the center, build stones in 2–3 directions
2. Mid-game: Look for fork opportunities; block opponent's open threes before they become open fours
3. Endgame: Convert your advantage — either force a fork or use a VCF sequence to win

The best way to internalize these strategies is to play as many games as possible and review them afterward. Look for the moment you lost control and trace it back to a single move. Over time you'll start to see the patterns automatically.