diff --git a/src/othello/Main.java b/src/othello/Main.java
index b3d2a9d..b4f255c 100644
--- a/src/othello/Main.java
+++ b/src/othello/Main.java
@@ -2,30 +2,30 @@ package othello;
 
 import java.util.ArrayList;
 
-import othello.players.AbstractPlayer;
+import othello.players.Player;
 import othello.players.RandomPlayer;
 
 public class Main {
 
 	
 	public static void main(String[] args) {
-		AbstractPlayer p1 = new RandomPlayer();
-		AbstractPlayer p2 = new RandomPlayer();
-		AbstractPlayer[][] board = initialize(p1, p2);
+		Player p1 = new RandomPlayer();
+		Player p2 = new RandomPlayer();
+		Player[][] board = initialize(p1, p2);
 		State game = new State(board, p1, p2);
 		System.out.println("joueur 1: " + p1);
 		System.out.println("joueur 2: " + p2);
 		while(!game.isOver()) {
-			AbstractPlayer player = game.getCurrentPlayer();
+			Player player = game.getCurrentPlayer();
 			ArrayList<Pair<Point, Point>> moves = game.getMove(player);
 			System.out.println(game.toString());
-			game = game.play(player.play(moves));
+			game = game.play(player.play(moves, game, player));
 		}
 		System.out.println("C'est " + game.getWinner() + " qui a gagné");
 	}
 	
-	public static AbstractPlayer[][] initialize(AbstractPlayer p1, AbstractPlayer p2){
-		AbstractPlayer[][] board = new AbstractPlayer[7][7];
+	public static Player[][] initialize(Player p1, Player p2){
+		Player[][] board = new Player[7][7];
 		board[0][0] = p2;
 		board[0][6] = p1;
 		board[6][0] = p1;
diff --git a/src/othello/State.java b/src/othello/State.java
index 9cda82d..6cc05a5 100644
--- a/src/othello/State.java
+++ b/src/othello/State.java
@@ -2,18 +2,18 @@ package othello;
 
 import java.util.ArrayList;
 
-import othello.players.AbstractPlayer;
+import othello.players.Player;
 
 public class State {
 
-	private AbstractPlayer[][] board;
-	private AbstractPlayer player1;
-	private AbstractPlayer player2;
-	private AbstractPlayer currentPlayer;
+	private Player[][] board;
+	private Player player1;
+	private Player player2;
+	private Player currentPlayer;
 	private int n1;
 	private int n2;
 
-	public State(AbstractPlayer[][] board, AbstractPlayer p1, AbstractPlayer p2, int n1, int n2) {
+	public State(Player[][] board, Player p1, Player p2, int n1, int n2) {
 		this.board = board;
 		this.player1 = p1;
 		this.player2 = p2;
@@ -22,7 +22,7 @@ public class State {
 		this.n2 = n2;
 	}
 	
-	public State(AbstractPlayer[][] board, AbstractPlayer p1, AbstractPlayer p2) {
+	public State(Player[][] board, Player p1, Player p2) {
 		this(board, p1, p2, 2, 2);
 	}
 	
@@ -32,7 +32,7 @@ public class State {
 		return getMove(player1).isEmpty() && getMove(player2).isEmpty();
 	}
 	
-	public ArrayList<Pair<Point, Point>> getMove(AbstractPlayer player) {
+	public ArrayList<Pair<Point, Point>> getMove(Player player) {
 		// Pair<Depart, Arrivee>
 		ArrayList<Pair<Point, Point>> moves = new ArrayList<>();
 		// Parcours du plateau de jeu
@@ -64,11 +64,11 @@ public class State {
 		return moves;
 	}
 	
-	public int getScore(AbstractPlayer player) {
+	public int getScore(Player player) {
 		return player == player1 ? n1/(n1+n2) : n2/(n2+n1);
 	}
 
-	public AbstractPlayer getWinner() {
+	public Player getWinner() {
 		int scoreP1 = getScore(player1), scoreP2 = getScore(player2);
 		if(scoreP1 > scoreP2)
 			return player1;
@@ -99,11 +99,11 @@ public class State {
 		copy.switchPlayer();
 		return copy;
 	}
-	public AbstractPlayer getCurrentPlayer() {
+	public Player getCurrentPlayer() {
 		return currentPlayer;
 	}
 	
-	public void setCurrentPlayer(AbstractPlayer currentPlayer) {
+	public void setCurrentPlayer(Player currentPlayer) {
 		this.currentPlayer = currentPlayer;
 	}
 
diff --git a/src/othello/players/AbstractPlayer.java b/src/othello/players/AbstractPlayer.java
deleted file mode 100644
index 6dd5a53..0000000
--- a/src/othello/players/AbstractPlayer.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package othello.players;
-
-import java.util.ArrayList;
-
-import othello.Pair;
-import othello.Point;
-
-public abstract class AbstractPlayer {
-
-	public abstract Pair<Point, Point> play(ArrayList<Pair<Point, Point>> moves);
-	
-}
diff --git a/src/othello/players/NegamaxPlayer.java b/src/othello/players/NegamaxPlayer.java
new file mode 100644
index 0000000..f49d694
--- /dev/null
+++ b/src/othello/players/NegamaxPlayer.java
@@ -0,0 +1,20 @@
+package othello.players;
+
+import othello.Pair;
+import othello.Point;
+import othello.State;
+
+import java.util.ArrayList;
+
+public class NegamaxPlayer implements Player {
+
+    @Override
+    public Pair<Point, Point> play(ArrayList<Pair<Point, Point>> moves, State game, Player player) {
+        return null;
+    }
+
+    public void negamax(State game, int depth, Player player) {
+
+    }
+
+}
diff --git a/src/othello/players/Player.java b/src/othello/players/Player.java
new file mode 100644
index 0000000..e9880ee
--- /dev/null
+++ b/src/othello/players/Player.java
@@ -0,0 +1,13 @@
+package othello.players;
+
+import java.util.ArrayList;
+
+import othello.Pair;
+import othello.Point;
+import othello.State;
+
+public interface Player {
+
+	public Pair<Point, Point> play(ArrayList<Pair<Point, Point>> moves, State board, Player player);
+
+}
diff --git a/src/othello/players/RandomPlayer.java b/src/othello/players/RandomPlayer.java
index 3510b6c..88c8764 100644
--- a/src/othello/players/RandomPlayer.java
+++ b/src/othello/players/RandomPlayer.java
@@ -5,11 +5,12 @@ import java.util.Random;
 
 import othello.Pair;
 import othello.Point;
+import othello.State;
 
-public class RandomPlayer extends AbstractPlayer {
+public class RandomPlayer implements Player {
 
 	@Override
-	public Pair<Point, Point> play(ArrayList<Pair<Point, Point>> moves) {
+	public Pair<Point, Point> play(ArrayList<Pair<Point, Point>> moves, State game, Player player) {
 		return moves.get(new Random().nextInt(moves.size()));
 	}