+
+ bool invert = (pos.side_to_move() == BLACK);
+
+ HashProbeMove *root_move = response->add_move();
+ root_move->set_move(MOVE_NONE);
+ ProbeMove(pos.key(), invert, root_move);
+
+ MoveList<LEGAL> moves(pos);
+ for (const ExtMove* em = moves.begin(); em != moves.end(); ++em) {
+ HashProbeMove *move = response->add_move();
+ move->set_move(em->move);
+ ProbeMove(pos.key_after(em->move), !invert, move);
+ }
+
+ return Status::OK;
+ }
+
+ void ProbeMove(const int64_t key, bool invert, HashProbeMove* response) {