GOMOKU BATTLE

An Example Game between Alpha-Beta-Search Agents

Overview

Gomoku, also called Gobang or Five in a Row, is an abstract strategy board game.

Players alternate turns placing a stone of their color on an empty intersection. The winner is the first player to form an unbroken chain of five stones horizontally, vertically, or diagonally.

More details see wikipedia.

Gomoku Battle is a cross-language cross-system battle platform with lots of AI agent.

• gomoku-battle-core: Basic Gomoku library.

• gomoku-battle-console: A referee between AI agents. It also sends and receives commands to set up communication with AI agents.

• gomoku-battle-dashboard: Dashboard is a viewer of a situation of the chessboard.

Launch Battle Platform

git clone https://github.com/zhixiangli/gomoku-battle.git
cd gomoku-battle
sh build.sh
sh battle.sh -c battle.properties

Configuration

AI Agent can be changed by modifying the player.properties

• player.xxxxx.alias: set an alias for the agent.
• player.xxxxx.cmd: a shell script to start an agent. No agent will start if the command is empty. Every agent should implement the following command.

A Configuration Example

player.black.cmd=java -jar bin/gomoku-battle-alphabetasearch-0.0.1-SNAPSHOT-jar-with-dependencies.jar
player.black.alias=alpha-beta-search
player.white.cmd=java -jar bin/gomoku-battle-alphabetasearch-0.0.1-SNAPSHOT-jar-with-dependencies.jar
player.white.alias=alpha-beta-search

AI Agent API

The console will create a subprocess for an AI agent.

The communication commands between console and AI agent is by stdin and stdout

Request

Field	Description
command	NEXT_BLACK (next color is black) or NEXT_WHITE (next color is white)
rows	the number of rows in a chessboard
columns	the number of columns in a chessboard
chessboard	SGF

Sample Request

{"command":"NEXT_BLACK","rows":15,"columns":15,"chessboard":"B[96];W[a5];B[a4];W[95]"}

Response

return the position to make a move

Sample Response

{"rowIndex":3,"columnIndex":10}

AI Agent Example

AI	Description	Language	Command Processor
alpha-beta-search	Alpha Beta Search Agent	Java	AlphaBetaSearchAgent.java

Evaluation

git clone https://github.com/zhixiangli/gomoku-battle.git
cd gomoku-battle
sh build.sh
sh battle.sh -c battle.properties -d