Nakamura has won the opening battle and pushed White's forces backward. Can Nepomniachtchi hold on $2
1. b2b4  1... b7b5  2. a2a4  2... b5a4  3. a1a4  3... e7e6  4. d1c3  4... h8g6  5. h1g3  5... f7f5  6. e2e3  6... f8e7  7. b4b5  7... e8g8  8. b1a1  8... f5f4  9. g3e2  9... f4e3  10. d2e3  10... c7c6  11. e2d4  11... c6c5  12. d4f3  12... e7f6  13. a1a3  13... d7d5  14. f1e2  14... b8b7  15. e1g1  15... a8b8  16. e3e4  16... d5d4  17. c3d1  17... c8d7  18. c2c4 