diff --git a/afutc/game.py b/afutc/game.py
index b1d6ad4..40cdf33 100644
--- a/afutc/game.py
+++ b/afutc/game.py
@@ -34,6 +34,13 @@ class Afutc:
         self.board_center = WIDTH // 2
         self.current_piece = None
         self.char = "▣"
+        self.debug = ""
+
+    def is_valid(self, board):
+        for field in (board + self.board).flat:
+            if field == 2:
+                return True
+        return False
 
     def get_size(self):
         return self.stdscr.getmaxyx()
@@ -48,11 +55,11 @@ class Afutc:
             print(f"╔{row}╗")
             for n, row in enumerate(self.board + self.current_move):
                 # row = "".join("" if field else " " for field in row)
-                row = "".join("▢" if field else " " for field in row)
+                row = "".join(self.char if field else " " for field in row)
                 print(f"║{row}║")
             row = "═" * (self.board.shape[1])
             # print(f"╚{row}╝")
-            print(str(self.pivot))
+            print(str(self.pivot) + "\t" + self.debug)
         except CursesException:
             self.pause()
 
@@ -80,7 +87,7 @@ class Afutc:
             temp_board = temp_board[:-1, :]
             new_row = np.zeros(shape=(1, WIDTH))
             temp_board = np.concatenate((new_row, temp_board))
-            if any(filter(lambda x: x == 2, (temp_board + self.board).flat)):
+            if self.is_valid(temp_board):
                 self.board = self.board + self.current_move
                 self.new_random_piece()
             else:
@@ -91,7 +98,7 @@ class Afutc:
             temp_board = temp_board[:, 1:]
             new_column = np.zeros(shape=(HEIGHT, 1))
             temp_board = np.concatenate((temp_board, new_column), axis=1)
-            if any(filter(lambda x: x == 2, (temp_board + self.board).flat)):
+            if self.is_valid(temp_board):
                 return
             self.current_move = temp_board
             self.pivot[1] -= 1
@@ -101,11 +108,36 @@ class Afutc:
             temp_board = temp_board[:, :-1]
             new_column = np.zeros(shape=(HEIGHT, 1))
             temp_board = np.concatenate((new_column, temp_board), axis=1)
-            if any(filter(lambda x: x == 2, (temp_board + self.board).flat)):
+            if self.is_valid(temp_board):
                 return
             self.current_move = temp_board
             self.pivot[1] += 1
 
+    def rotate(self):
+        if not self.debug:
+            self.debug = "-1"
+        self.debug = str(int(self.debug) + 1)
+        temp_board = self.current_move.copy()
+        temp_board.fill(0.)
+        temp_piece = self.current_piece.copy()
+        pivot = self.pivot[:]
+        # Magic to rotate a matrix !!!!!!
+        temp_piece = np.array(list(zip(*reversed(temp_piece))))
+
+        try:
+            for i, row in enumerate(temp_piece):
+                for j, value in enumerate(row):
+                    temp_board[i + pivot[0], j + pivot[1]] = value
+        except IndexError:
+            if pivot[1] > 0:
+                self.pivot[1] -= 1
+                self.rotate()
+            return
+
+        if not self.is_valid(temp_board):
+            self.current_move = temp_board.copy()
+            self.current_piece = temp_piece.copy()
+
     def start(self):
         scr = self.stdscr
         input = self.input
@@ -123,15 +155,13 @@ class Afutc:
             elif char == "q":
                 self.running = False
             elif char == "C":  # Right
-                self.char = char
                 self.move("right")
             elif char == "D":  # Left
-                self.char = char
                 self.move("left")
             elif char == "B":  # Down
                 self.move("down")
             elif char == "A":  # Rotate
-                pass
+                self.rotate()
             elif char == " ":  # Rotate
                 self.pause()