diff --git a/src/backend/Board.java b/src/backend/Board.java
index 4623d10..554f97c 100644
--- a/src/backend/Board.java
+++ b/src/backend/Board.java
@@ -3,19 +3,20 @@ package backend;
 import java.util.ArrayList;
 
 public class Board {
-
+	private int colNum;
+	private int lineNum;
+		
 	public Board(int colNum, int lineNum) {
-		//TODO
+		this.colNum=colNum;
+		this.lineNum=lineNum;		
 	}
 
 	public int getWidth() {
-		//TODO
-		return 0;
+		return colNum;
 	}
 
 	public int getHeight() {
-		//TODO
-		return 0;
+		return lineNum;
 	}
 
 	public int getTurnNumber() {
diff --git a/src/backend/Piece.java b/src/backend/Piece.java
index ffa88bb..4597166 100644
--- a/src/backend/Piece.java
+++ b/src/backend/Piece.java
@@ -1,13 +1,21 @@
 package backend;
 
 public class Piece {
+	private int x;
+	private int y;
+
+	
+	public Piece(int x, int y) {
+		this.x=x;
+		this.y=y;
+	}
 
 	public int getX() {
-		return 0;
+		return x;
 	}
 
 	public int getY() {
-		return 0;
+		return y;
 	}
 	
 	public PieceType getType() {