1. c2c4  1... c7c5  2. g1f3  2... b8c6  3. b1c3  3... g8f6  4. g2g3  4... d7d5  5. c4d5  5... f6d5  6. f1g2  6... d5c7  7. e1g1  7... g7g6  8. c3a4  8... c7e6  9. d2d3  9... c6d4  10. c1e3 "I am winning a pawn and this cannot be bad, right?"  (Duda) 10... f8g7  11. a1c1  11... e8g8 A novelty and the best move under the  circumstances. Xiong spotted non-obvious counterplay.