diff --git a/Main.ipynb b/Main.ipynb
index 349c799..6813c0e 100644
--- a/Main.ipynb
+++ b/Main.ipynb
@@ -15,7 +15,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 2,
    "id": "78fdf40a",
    "metadata": {},
    "outputs": [],
@@ -42,7 +42,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 16,
    "id": "338f123d",
    "metadata": {},
    "outputs": [
@@ -150,28 +150,66 @@
       "Récupération des positions de la tablebase KRPvKP\n",
       "Récupération des positions de la tablebase KRvK\n",
       "Récupération des positions de la tablebase KRvKB\n",
-      "Total positions récupérées: 0\n",
+      "Total positions récupérées: 2250\n",
       "Ajoute de toutes les positions des tablebases dans Redis terminé!\n"
      ]
     }
    ],
    "source": [
-    "def get_250_random_position(tablebases,max_moves = 20):\n",
-    "    '''récupère 250 positions aléatoires de chaque table base'''\n",
+    "def get_250_random_position(tablebases, config):\n",
     "    positions = []\n",
-    "    attempts = 0\n",
-    "    max_attempts = 1000 #Pour éviter les boucles infinies\n",
-    "    while len(positions) < 250 and attempts < max_attempts:\n",
-    "        board = chess.Board() #LIGNE A CHANGER\n",
+    "    tries = 0\n",
+    "\n",
+    "    while len(positions) < 250 and tries < 5000:\n",
+    "        board = generate_board_from_config(config)\n",
+    "\n",
     "        try:\n",
     "            if tablebases.probe_wdl(board) is not None:\n",
-    "                positions.append(board) #Ajout de la position à la liste si elle est dans la tablebase\n",
+    "                positions.append(board)\n",
     "        except KeyError:\n",
     "            pass\n",
-    "        attempts += 1  \n",
-    "        \n",
-    "        \n",
-    "    return positions  \n",
+    "\n",
+    "        tries += 1\n",
+    "    \n",
+    "    return positions\n",
+    "\n",
+    "def generate_board_from_config(config):\n",
+    "    \"\"\"\n",
+    "    Génère un board contenant exactement le matériel d'une config Syzygy. Exemples de config :\n",
+    "    - 'KQvK', 'KPvKP'\n",
+    "    Cette fonction est important car il faut générer les positions qui dont les informations sont dans la tablebases.\n",
+    "    \"\"\"\n",
+    "\n",
+    "    piece_map = {\"K\": chess.KING,\"Q\": chess.QUEEN,\"R\": chess.ROOK,\"B\": chess.BISHOP,\"N\": chess.KNIGHT,\"P\": chess.PAWN,}\n",
+    "\n",
+    "    white_str, black_str = config.split(\"v\")\n",
+    "\n",
+    "    board = chess.Board(None)  # plateau vide\n",
+    "\n",
+    "    # Placer les pièces blanches\n",
+    "    for p in white_str:\n",
+    "        piece = piece_map[p]\n",
+    "        sq = random.choice([s for s in chess.SQUARES if board.piece_at(s) is None])\n",
+    "        board.set_piece_at(sq, chess.Piece(piece, chess.WHITE))\n",
+    "\n",
+    "    # Placer les pièces noires\n",
+    "    for p in black_str:\n",
+    "        piece = piece_map[p]\n",
+    "        sq = random.choice([s for s in chess.SQUARES if board.piece_at(s) is None])\n",
+    "        board.set_piece_at(sq, chess.Piece(piece, chess.BLACK))\n",
+    "\n",
+    "    # désactive les règles des échecs.\n",
+    "    board.castling_rights = 0\n",
+    "    board.ep_square = None\n",
+    "\n",
+    "    # Couleur aléatoire\n",
+    "    board.turn = random.choice([chess.WHITE, chess.BLACK])\n",
+    "\n",
+    "    # Vérifier que la position est légale\n",
+    "    if not board.is_valid():\n",
+    "        return generate_board_from_config(config)  # retry\n",
+    "\n",
+    "    return board\n",
     "\n",
     "def add_tabblebase_to_redis():\n",
     "    #Connect to Redis server\n",
@@ -188,21 +226,36 @@
     "    all_positions = []\n",
     "    for config in configs:\n",
     "        print(f\"Récupération des positions de la tablebase {config}\")\n",
-    "        position = get_250_random_position(tablebases,max_moves=20)\n",
+    "        position = get_250_random_position(tablebases,config)\n",
     "        all_positions.extend(position) #Ajout des positions générées à la liste globale\n",
     "        \n",
     "    print(f\"Total positions récupérées: {len(all_positions)}\")\n",
     "    for position in all_positions:\n",
-    "        fen = position.fen()\n",
-    "        wdl = tablebases.probe_wdl(position)\n",
-    "        dtz = tablebases.probe_dtz(position)\n",
-    "        redis_server.hset(fen, mapping={\"wdl\": wdl, \"dtz\": dtz})    \n",
+    "        try:\n",
+    "            fen = position.fen()\n",
+    "            wdl = tablebases.probe_wdl(position)\n",
+    "            dtz = tablebases.probe_dtz(position)\n",
+    "            redis_server.hset(fen, mapping={\"wdl\": wdl, \"dtz\": dtz})  \n",
+    "        except (KeyError,chess.syzygy.MissingTableError):\n",
+    "            continue  \n",
     "        \n",
     "    print(\"Ajoute de toutes les positions des tablebases dans Redis terminé!\")\n",
     "\n",
     "if __name__ == \"__main__\":\n",
     "        add_tabblebase_to_redis()    "
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1b443c8c",
+   "metadata": {},
+   "source": [
+    "## Accès à Redis\n",
+    "\n",
+    "Nous avons rajouter 250 positions apparentant à chacune des tablesbases présent dans le dossier. Il y a des configurations ayant 3,4 ainsi que 5 pièces pour voir si cela a une incidence sur le temps d'accès à Redis.\n",
+    "\n",
+    "Pour la suite, nous allons donc pouvoir passer sur Redis pour vérifier cette hypothèse et faire d'autres tests sur notre base."
+   ]
   }
  ],
  "metadata": {