ISIS is encircling and cutting off Palmyra with Russian troops ("their forward base") inside the cauldron:
On the critical situation around Palmyra and the possible entrapment of the Russian force there.
"Did the Kremlin order to build such a new but strategically non-sensical base in midst of daesh controlled area to achieve the status of a victim again? An attempt to regain part of the credibility lost latest by imposing that heinous 'cessation of hostilities' on Syria?"
From the previous statements by Lavrov and Kerry, it was apparent that some "division" was made as part of the US "peace plan" supported by the US, which also involved Palmyra as a piece allowing the Kremlin to claim a victory. In that respect, there was a notable involvement of the Russians on the ground, which went beyond directing artillery fire, and the "mine clearing operation" was in part meant as a cover for the existing presence of a Russian ground force. In bringing the Russians into what was essentially a "narrow noodle" or thread of territory and with Putin trying to go for a PR effect with the least cost or any more serious and broader strategy, the Russian force has been effectively lured out into an exposed, trap-like position. This is not the first time Putin trying to please the West is setting up either himself or the Russians.
When the US kept telling Putin that he would be treated differently than Noriega or Saddam and others used by Empire, Putin seemed to have believed it, especially if he had not much of a choice ...