1. d2d4 "I pretty much spent the whole night looking at 1.e4..." (Nakamura)  1... f7f5 What else in a must-win situation?! 2. g1f3  2... g8f6  3. c2c4  3... g7g6  4. g2g3  4... f8g7  5. f1g2  5... e8g8  6. e1g1  6... d7d6  7. b1c3  7... b8c6  8. d4d5  8... c6a5  9. b2b3  9... c7c5  10. c1b2  10... a7a6  11. f3g5  11... a8b8  12. d1d3  12... d8e8  13. c3d1  13... b7b5 A glance at the position reveals that Black can be happy with  his opening choice. Not because he has the advantage; in fact Nakamura  thought that White is better. What is important here is that not a single  pawn has been traded yet and the tension is all over the place. An  important thing is that Nakamura has a lot of experience in the arising  positions, whereas Xiong plays 1.d4 less frequently.