Heading to a5 and ideally to c6.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g2g3  3... d7d5  4. g1f3  4... f8e7  5. f1g2  5... e8g8  6. e1g1  6... d5c4  7. d1c2  7... a7a6  8. a2a4  8... c7c5  9. d4c5  9... e7c5  10. c2c4  10... b7b6  11. f3e5  11... a8a7  12. e5d3  12... c5e7  13. c1f4  13... c8b7  14. g2b7  14... a7b7  15. b1d2  15... b6b5  16. a4b5  16... a6b5  17. c4c2  17... f6d5  18. f1c1 A novelty. Apparently, the  Chinese squad was happy with a slight edge against the Americans, with  risk-free play. 18... b8d7 