Play Gomoku Step-by-Step: From Empty Board to Five in a Row

Every legendary battle on the 15x15 grid begins with an empty board—a pristine space of 225 intersections waiting for strategic design. For developing players, observing how a single match unfolds step-by-step is the most effective way to build tactical logic and spatial awareness. Understanding the transition from opening setup to the final winning line is essential. If you are starting your journey to master how to play Gomoku, seeing how a professional match progresses will elevate your game. Here is an expert, step-by-step walk-through of a standard competitive match from the very first opening placement to the final five-stone victory in our global Gomoku online arena.

Phase 1: The Opening Move on Tengen (H8)

The game begins with an entirely blank board. According to standard competitive Gomoku rules, the player holding the Black stones makes the opening move. Black places the first stone precisely on the center star point, known as the Tengen (H8). This opening placement is mandatory in tournament play, serving as the central anchor from which all tactical branching lines radiate. White then responds by placing a white stone on one of the adjacent intersections (such as H9 or I8) to immediately establish defensive contact and try to restrict Black's spatial expansion.

Phase 2: Developing Dormant Lines and Open-Twos

In the early game (opening phase), both players focus on developing their respective shapes. Black, holding the natural first-player advantage, attempts to place stones that form flexible, open configurations. The first goal is to construct an Open-Two (two stones of the same color side-by-side with open intersections on both ends). White's priority is to monitor these developments, placing stones that passively intercept Black's lines before they can grow, while simultaneously placing white stones to establish their own dormant defensive lines.

Phase 3: The Middlegame — Launching the Open-Three

As the mid-game (middlegame) begins, the battle for tempo (initiative) intensifies. Black places a stone that expands an existing line into an Open-Three (three stones in a row with vacant spaces on both sides). Because an Open-Three can easily be upgraded into a Straight-Four on the next turn, it is an immediate threat. Under the game rules, White is forced to respond by placing a blocking stone on one of the ends of Black's three-stone line. This simple threat-and-defense exchange is the primary mechanic players use to control the board's pace.

Phase 4: Active Defense and Seizing Sente

A passive defender simply blocks and eventually loses. To seize control, White executes an Active Defense. Instead of blindly placing a blocking stone, White finds an intersection that blocks Black's line while *simultaneously* extending one of White's own dormant lines into an active threat. This successful counter-attack hijacks the tempo (Sente), forcing Black to stop attacking and play defensively. The match shifts, and the struggle for board control continues along a different geometric axis.

Phase 5: The Endgame — Executing the Four-Three Fork

The climax of the match arrives when the attacking player positions a fatal Fork (double threat). By placing a stone on a key intersection, the attacker simultaneously forms a Closed-Four and an Open-Three (the classic Four-Three Fork). Because the defender can only place one stone per turn, they are forced to block the Open-Three. This leaves the Closed-Four completely free. On the next turn, the attacker places the final stone on the remaining vacant intersection, completing a line of exactly five contiguous stones and securing the match victory.