diff --git a/Chess/main.java b/Chess/main.java
new file mode 100644
index 0000000..7cd72ec
--- /dev/null
+++ b/Chess/main.java
@@ -0,0 +1,26 @@
+public class Main {
+	public static void main(String[] args) {
+		// Exmple de polymorphisme par hértiage
+		// On instancie sur la super classe
+		Animal dog = new Dog();
+		Animal cat = new Cat();
+
+		feed(dog);
+		feed(cat);
+	}
+
+	// On donne comme paramètre Animal pour généraliser la méthode
+	private static void feed(Animal animal) {
+		// Do something
+		System.out.println("test");
+	}
+}
+
+
+public abstract class Piece {
+	protected Position position;
+	protected into color;
+
+	public abstract boolean isValidMove(Position position, Cell[][] board);
+	public abstract String toString();
+}