diff --git a/src/game/morpion.cpp b/src/game/morpion.cpp
index a2dd622888123bc350d720fe8d0c044f7144f44e..7a9316b7920e7d6b2fe0b1924d0a6d653eca2e6e 100644
--- a/src/game/morpion.cpp
+++ b/src/game/morpion.cpp
@@ -138,14 +138,18 @@ namespace game
 		//cout << "Possible moves: " << state.possible_moves << endl;
 	}
 	
-	//Play the move m. m is the position on the board of where you want to play
+	//Play the mth move in the possible moves list.
 	void morpion::play(uint16_t m)
 	{   
-		//cout << "You choose move " << m << endl;
+		uint64_t possible_moves = state.possible_moves;
+		possible_moves = possible_moves >> 4*m; //A move is coded with 4 bit
+		uint16_t move = possible_moves & 15; //15 = 1111
+		//cout << "You choose the possible move number " << m << endl;
+		//cout << "You choose move " << move << endl;
 		if (current_player() == CROSS)
-			state.cross_bitboard |= (((uint16_t) 1) << m);
+			state.cross_bitboard |= (((uint16_t) 1) << move);
 		else
-			state.circle_bitboard |= (((uint16_t) 1) << m);
+			state.circle_bitboard |= (((uint16_t) 1) << move);
 		
 		//State update
 		state.total_moves++;
@@ -207,8 +211,7 @@ namespace game
 		{
 			uniform_int_distribution<uint16_t> distribution(0, 8-state.total_moves);
 			uint16_t move = distribution(engine);
-			uint16_t position = (state.possible_moves >> 4*move) & 15; //15 is the mask to get only one move
-			play(position);
+			play(move);
 		}
 	}
 
diff --git a/src/game/test_morpion.cpp b/src/game/test_morpion.cpp
index 36796714aaefd887eb9d952e745feb5ba8edace4..78360007bf0bc683a05ecdf9b13b1fa9aa5b6350 100644
--- a/src/game/test_morpion.cpp
+++ b/src/game/test_morpion.cpp
@@ -31,7 +31,7 @@ namespace game
 			{
 				uint16_t move = possible_moves & ((uint64_t) 15); //15 = 1111 (a move is on 4 bits)
 				cout << "Possible move: " << mor.move_to_string(move) << endl;
-				movesMap[mor.move_to_string(move)] = move; //In the map: the move as seen by the player and its representation for the computer
+				movesMap[mor.move_to_string(move)] = i; //In the map: the move as seen by the player and its representation for the computer
 				possible_moves = possible_moves >> 4;
 			}
 			string move;
@@ -51,7 +51,7 @@ namespace game
 	void test_morpion::playout()
 	{
 		morpion mor;
-		auto mctsPlayer = mcts::make_mcts_two_players(mor, 5000, 0.3, 4);
+		auto mctsPlayer = mcts::make_mcts_two_players(mor, 5000, 0.3, 4); // creation du player a partir du morpion. 5000: ms de reflexion 0.3 fateur d'exploration 4: nb_visit_before_expansion on attend d'etre arrive 4 fois sur un noeud avant de le developper
 		cout << "Player vs Computer game!" << endl;
 		cout << "Who's first? (Player)" << endl;
 		while(!mor.end_of_game())
@@ -60,7 +60,8 @@ namespace game
 			if(mor.current_player() == 1) //It's circle turn (computer is circle)
 			{
 				uint16_t move = mctsPlayer.select_move();
-				cout << "Computer wants to play " << mor.move_to_string(move);
+				//cout << "Computer played " << mor.move_to_string(move) << endl;
+				mor.play(move);
 			}
 			else //Human turn to play
 			{
@@ -72,7 +73,7 @@ namespace game
 				{
 					uint16_t move = possible_moves & ((uint64_t) 15); //15 = 1111 (a move is on 4 bits)
 					cout << "Possible move: " << mor.move_to_string(move) << endl;
-					movesMap[mor.move_to_string(move)] = move; //In the map: the move as seen by the player and its representation for the computer
+					movesMap[mor.move_to_string(move)] = i; //In the map: the move as seen by the player and 
 					possible_moves = possible_moves >> 4;
 				}
 				string move;