I'm not quite sure what happened. Sounds like even QW wasn't sure, as he was interviewed after the bout. He was in on a single and took him towards his back. The PSU announcer was talking with QW afterwards and both said they wanted to see the tape to see what happened. QW said he saw the opening and went for it, it was kind of like "winning the lottery" by QW's words. He is a really likeable, humble guy. Not a standard move I gather.