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Gomoku

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Gomoku Game Guide

📖 About

Gomoku (Five in a Row) is an ancient strategy board game that's simple to learn yet deeply strategic! Played on a 15×15 grid, two players compete to be the first to place five stones in a row—horizontally, vertically, or diagonally. While the rules are straightforward, the strategy is profound: block your opponent while building your own winning formations. This classic abstract strategy game has been played for centuries and continues to challenge minds around the world.

🎯 Objectives

Be the first player to place five stones in an unbroken row (horizontal, vertical, or diagonal). Balance offense and defense—create your own winning threats while blocking your opponent's attempts to connect five.

🎮 How to Play

Click on any intersection to place your stone. The first player to get five in a row (horizontal, vertical, or diagonal) wins. You play black against the AI.

⌨️ Controls

Click on any empty intersection on the 15×15 board to place your stone. Players alternate turns, with black (you) moving first.

⚙️ Game Mechanics

  • Black plays first, then players alternate turns
  • Place one stone per turn on any empty intersection
  • Win by connecting 5 stones in a row (any direction)
  • Lines can be horizontal, vertical, or diagonal
  • Game ends when someone achieves 5-in-a-row or board is full

Features

  • 15×15 Board - Standard Gomoku playing field
  • AI Opponent - Multiple difficulty levels
  • Visual Highlighting - Clear winning line display
  • Quick Games - Perfect for short breaks

💡 Tips

  • Control the center for more winning opportunities in all directions
  • Create 'open fours' - four in a row with both ends open (unblockable)
  • Block opponent threats immediately, especially open threes
  • Build multiple threats simultaneously to overwhelm defense

Frequently Asked Questions

What is an 'open four'?
An open four is four stones in a row with both ends empty. This is unblockable and guarantees victory on your next move.
Why is the center important?
The center gives you the most flexibility—you can build lines in all four directions. It also limits your opponent's options.
What should I watch for defensively?
Watch for opponent's 'open threes' (three in a row with both ends open). These will become open fours if not blocked immediately.
Can Gomoku end in a draw?
Yes, if the entire board fills up without either player achieving 5-in-a-row, the game is a draw. This is rare with skilled play.

Strategy Guide

Want to master Gomoku? Read our comprehensive strategy guide with expert tips and techniques.

Read Full Guide

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