source: java/ecj/games/league/League.java

package games.league;

import ec.simple.SimpleFitness;
import ec.vector.DoubleVectorIndividual;
import games.Player;
import games.scenarios.GameScenario;
import games.scenarios.SimpleTwoPlayersGameScenario;

import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.util.ArrayList;
import java.util.List;

import cecj.app.othello.OthelloBoard;
import cecj.app.othello.OthelloGame;
import cecj.app.othello.OthelloPlayer;


public class League {
        
        private List<String> names;
        private List<List<Player>> teams;
        
        private int[] score;
        private int[] wins;
        private int[] draws;
        private int[] losts;
        
        private Player bestPlayer;
        private int bestPlayerScore;
        private String bestPlayerTeam;
        
        public League() {
                teams = new ArrayList<List<Player>>();
                names = new ArrayList<String>();
        }
        
        public void play() {
                score = new int[teams.size()];
                wins = new int[teams.size()];
                draws = new int[teams.size()];
                losts = new int[teams.size()];
                GameScenario scenario;
                OthelloGame game = new OthelloGame(new OthelloBoard());
                
                bestPlayer = null;
                bestPlayerTeam = null;
                bestPlayerScore = 0;
                
                for (int team = 0; team < teams.size(); team++) {
                        for (Player player : teams.get(team)) {
                                int playerScore = 0;

                                for (int opponentTeam = 0; opponentTeam < teams.size(); opponentTeam++) {
                                        if (team == opponentTeam) continue;
                                
                                        for (Player opponent : teams.get(opponentTeam)) {
                                                scenario = new SimpleTwoPlayersGameScenario(new Player[] { player, opponent });                                         
                                                game.reset();
                                                int result = scenario.play(game);
                                                score[team] += points(result);
                                                playerScore += points(result);
                                                if (result > 0) wins[team]++;
                                                if (result == 0) draws[team]++;
                                                if (result < 0) losts[team]++;
                                                
                                                scenario = new SimpleTwoPlayersGameScenario(new Player[] { opponent, player });
                                                game.reset();
                                                result = -scenario.play(game);
                                                score[team] += points(result);
                                                playerScore += points(result);
                                                if (result > 0) wins[team]++;
                                                if (result == 0) draws[team]++;
                                                if (result < 0) losts[team]++;
                                        }
                                }
                                
                                if (playerScore > bestPlayerScore) {
                                        bestPlayerScore = playerScore;
                                        bestPlayer = player;
                                        bestPlayerTeam = names.get(team);
                                }
                        }
                }
        }

        private static int points(int result) {
                if (result > 0) {
                        return 3;
                } else if (result == 0){
                        return 1;
                } else {
                        return 0;
                }
        }

        public void printTable() {
                for (int team = 0; team < teams.size(); team++) {
                        System.out.println(names.get(team) + " : " + score[team] + "\t\t wins = " + wins[team] + " draws = " + draws[team] + " losts = " + losts[team]);
                }
        }
        
        private void addTeam(String name, String filename) {
                DoubleVectorIndividual ind = new DoubleVectorIndividual();
                ind.fitness = new SimpleFitness();
                ind.genome = new double[64];
                                
                try {
                        List<Player> team = new ArrayList<Player>();
                        LineNumberReader reader = new LineNumberReader(new FileReader(filename));
                        Integer.parseInt(reader.readLine());
                        for (int i = 0; i < 20; i++) {
                                ind.readIndividual(null, reader);
                                team.add(new OthelloPlayer(ind.genome));
                        }
                        teams.add(team);
                        names.add(name);
                } catch (IOException e) {
                        e.printStackTrace();
                }
        }

        private void printBestPlayer() {
                System.out.println("\n Best player comes from team " + bestPlayerTeam + " and its score = " + bestPlayerScore);
                
                double[] wpc = ((OthelloPlayer)bestPlayer).getWPC();
                for (int i = 0; i < 64; i++) {
                        if (i % 8 == 0) {
                                System.out.println(""); 
                        } else {
                                System.out.print(" "); 
                        }
                        System.out.print(Math.round(wpc[i] * 100) / 100.);
                }
        }
        
        public static void main(String[] args) {
                League league = new League();
                league.addTeam("CEL", "EXP_CEL_best_players");
                league.addTeam("CEL + HoF", "EXP5v0_best_players");
                league.addTeam("TDL", "EXP3_best_players");
                league.addTeam("CEL + TDL", "EXP4_best_players");
                league.addTeam("CEL + TDL + HoF", "EXP5_best_players");
                //league.addTeam("CEL + TDL(0) + HoF", "EXP5v0_best_players");
                //league.addTeam("CEL + TDL(1)(rand) + HoF", "EXP5v1rand_best_players");
                //league.addTeam("CEL + TDL(2) + HoF", "EXP5v2_best_players");
                //league.addTeam("CEL + TDL(5) + HoF", "EXP5v5_best_players");
                //league.addTeam("CEL + TDL(10) + HoF", "EXP5v10_best_players");
                //league.addTeam("CEL + TDL(50) + HoF", "EXP5v50_best_players");
                
                league.play();
                league.printTable();
                league.printBestPlayer();
        }

}