fixes

TP2/src/mybt.cpp

@@ -228,14 +228,14 @@ void bt_t::mcts_expansion(bt_node_t *root) {
     // Add child to root
     root->children.push_back(tmp);
   }
+
+  // Avoid re-add same moves
+  nb_moves = 0;
 }
 
 bool bt_t::mcts_simulation(bt_node_t *node) {
   int me = (turn % 2 == 0) ? WHITE : BLACK;
 
-  // try to play my move
-  play(node->move);
-
   // then play randomly 'til the game is over
   while (endgame() != EMPTY) {
     play(get_rand_move());