diff --git a/OOP_2B6_PROJECT/src/backend/Board.java b/OOP_2B6_PROJECT/src/backend/Board.java
index 31582ac..2046fb7 100644
--- a/OOP_2B6_PROJECT/src/backend/Board.java
+++ b/OOP_2B6_PROJECT/src/backend/Board.java
@@ -17,6 +17,9 @@ public class Board {
 
     private Stack<Move> moveHistory = new Stack<>();
 
+    // Indique si la partie est terminée (roi capturé)
+    private boolean gameOver = false;
+
     public Board(int colNum, int lineNum) {
         this.width = colNum;
         this.height = lineNum;
@@ -39,12 +42,20 @@ public class Board {
         return turnIsWhite;
     }
 
+    // Expose l'état de fin de partie
+    public boolean isGameOver() {
+        return gameOver;
+    }
+
     public void setPiece(boolean isWhite, PieceType type, int x, int y) {
         pieces.removeIf(p -> p.getX() == x && p.getY() == y);
         pieces.add(new Piece(isWhite, type, x, y));
     }
 
     public void populateBoard() {
+        // Réinitialiser l'état de fin de partie
+        gameOver = false;
+
         pieces.clear();
         setPiece(true, PieceType.Rook, 0, 7);
         setPiece(true, PieceType.Knight, 1, 7);
@@ -68,10 +79,17 @@ public class Board {
     }
 
     public void cleanBoard() {
+        // Réinitialiser l'état de fin de partie
+        gameOver = false;
+
         pieces.clear();
         selectedX = null;
         selectedY = null;
         highlightedPositions.clear();
+        boolean kingInCheck = isInCheck(turnIsWhite);
+        if (kingInCheck) {
+            System.out.println("Échec !");
+        }
         moveHistory.clear();
     }
 
@@ -80,6 +98,11 @@ public class Board {
     }
 
     public void userTouch(int x, int y) {
+        if (gameOver) {
+            // Ne pas autoriser de nouveaux coups si la partie est terminée
+            return;
+        }
+
         Piece clickedPiece = getPieceAt(x, y);
         if (selectedX == null || selectedY == null) {
             if (clickedPiece != null && clickedPiece.isWhite() == turnIsWhite) {
@@ -90,7 +113,11 @@ public class Board {
         } else {
             Piece selectedPiece = getPieceAt(selectedX, selectedY);
             if (selectedPiece != null && selectedPiece.isWhite() == turnIsWhite) {
+                // Détecter capture de roi
                 Piece captured = getPieceAt(x, y);
+                if (captured != null && captured.getType() == PieceType.King) {
+                    gameOver = true;
+                }
                 pieces.removeIf(p -> p.getX() == x && p.getY() == y);
                 pieces.removeIf(p -> p.getX() == selectedX && p.getY() == selectedY);
                 Piece moved = new Piece(
@@ -129,6 +156,8 @@ public class Board {
             selectedX = null;
             selectedY = null;
             highlightedPositions.clear();
+            // Réinitialiser gameOver si on ressuscite un roi
+            gameOver = false;
         }
     }
 
@@ -306,6 +335,7 @@ public class Board {
             }
         }
         turnIsWhite = array[8].equalsIgnoreCase("W");
+        gameOver = false;
     }
 
     public Board(Board board) {
@@ -315,10 +345,16 @@ public class Board {
         this.turnNumber = board.getTurnNumber();
         this.turnIsWhite = board.isTurnWhite();
         this.moveHistory = new Stack<>();
+        this.gameOver = board.isGameOver();
     }
 
     public void playMove(Move move) {
-        if (move == null) return;
+        if (move == null || gameOver) return;
+        // Détecter capture du roi avant d'appliquer le coup
+        Piece captured = move.getCapturedPiece();
+        if (captured != null && captured.getType() == PieceType.King) {
+            gameOver = true;
+        }
         pieces.removeIf(p -> p.getX() == move.getToX() && p.getY() == move.getToY());
         pieces.removeIf(p -> p.getX() == move.getFromX() && p.getY() == move.getFromY());
         pieces.add(new Piece(
@@ -334,6 +370,32 @@ public class Board {
         selectedY = null;
         highlightedPositions.clear();
     }
+
+    private boolean isInCheck(boolean whiteKing) {
+        Piece king = null;
+        for (Piece p : pieces) {
+            if (p.getType() == PieceType.King && p.isWhite() == whiteKing) {
+                king = p;
+                break;
+            }
+        }
+
+        if (king == null) return false; // Cas improbable
+
+        int kingX = king.getX();
+        int kingY = king.getY();
+
+        for (Piece p : pieces) {
+            if (p.isWhite() != whiteKing) {
+                ArrayList<int[]> moves = getLegalMovesFor(p);
+                for (int[] move : moves) {
+                    if (move[0] == kingX && move[1] == kingY) {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
 }
-
-