disable prune_bad_children

src/logic/future_moves.rs

@@ -305,7 +305,7 @@ impl FutureMoves {
     fn set_root_idx_raw(&mut self, idx: usize) {
         self.update_root_idx_raw(idx);
 
-        self.prune_bad_children();
+        // self.prune_bad_children();
         self.refocus_tree();
         self.extend_layers();
         self.compute_values(0..self.arena.len());