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CrazyPlayer


Algorithms and Data Structures Project, UniBO 21/22.

Introduction

The primary goal of this project is to develop a software player capable of playing optimally in all possible instances of the M,N,K-game.

The problem is equivalent to solving a complex Game tree, and as the game grid increases, the resource load for genarating the game tree grows exponentially.

To tackle this, various optimization techniques have been employed along with some heuristic functions. See Techniques Used.

Source Code

The entire development activity is contained within the CrazyPlayer package (other classes were provided by the instructor): CrazyPlayer folder

Resources:

  • Consult the project report: click here
  • Ranking among the players made by students (my player is CrazyPlayerPazzissimo): click here
  • M,N,K-game wiki: click here

Techniques Used

  • Alpha-Beta Pruning
  • Reducing playable moves
  • Sorting moves using TreeSet
  • Transposition Table
  • BitBoard
  • Searching through symmetric boards
  • Iterative Deepening

Build

  • Command-line compile: 
     javac src/mnkgame/**/*.java -d bin/mnkgame

Run

MNKGame application:

  • Human vs Computer:

     java -cp bin/mnkgame mnkgame.MNKGame 3 3 3 mnkgame.CrazyPlayer.CrazyPlayer

  • Computer vs Computer:

     java -cp bin/mnkgame mnkgame.MNKGame 5 5 4 mnkgame.CrazyPlayer.CrazyPlayer mnkgame.QuasiRandomPlayer

MNKPlayerTester application:

  • Output score only:

     java -cp bin/mnkgame mnkgame.MNKPlayerTester 5 5 4 mnkgame.CrazyPlayer.CrazyPlayer mnkgame.QuasiRandomPlayer

  • Verbose output:

     java -cp bin/mnkgame mnkgame.MNKPlayerTester 5 5 4 mnkgame.CrazyPlayer.CrazyPlayer mnkgame.QuasiRandomPlayer -v

  • Verbose output with customized timeout (1 sec) and number of game repetitions (10 rounds):

     java -cp bin/mnkgame mnkgame.MNKPlayerTester 5 5 4 mnkgame.CrazyPlayer.CrazyPlayer mnkgame.QuasiRandomPlayer -v -t 1 -r 10