Two Flags Agent

• Full report and executable

We present AI agent playing "two flags", as well as an interface for playing the game.

Developers: Daniel Yakovlev and Daniel Greenhut

The Game

• The two flags game includes 8 black pawns and 8 white pawns.

• At the beginning, each pawn is placed in a same way as in chess.

• Moving is completely identical to chess.

• The white player wins when either:

  1. one pawn reaches the first row
  2. black player has no pawns left
  3. back player cannot make a move

• A winning of the black player is symmetric.

Running

Before running make sure to pip install -r requirements.txt on a python3.9 environment.

To play, run python Game.py.

Arguments

Default arguments will execute a game against a server, according to the protocol below.

--agent random/minimax/alphabeta/best To change the agent type. Default is best.

--color B/W To set the color of the agent.

--server 1/0 To decide if playing against server. if not please set:

--human 1/0 To decide if playing against a human player or another agent:

--agent2 random/minimax/alphabeta/best To change the second agent type.

--ip and --port to define hostname and port if playing against server. The default is localhost 9999.

--fen to change the initial state according the common chess FEN convention.

--pt 1/0 if true, times of each ply will be printed.

When playing against human or second agent, it is necessary to push the Make move button to perform a full move (2 plys) and if human is playing, put the desired move in the console.

Server Protocol

• After connection, server should send Welcome message.
• Then it is possible to set the game time by Time X message (in minutes), where the default is 15.
• Wait for OK message.
• Then it is possible to set the initial board state by Setup message (in minutes), where the default is as described above.
• Wait for OK message.
• Then, it is possible to start by making a white move, or letting the agent making a white move by Begin message. In this way the colores will be set for the agent and the server.

Example:

Linux executable with default arguments.