1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. b1c3  3... c7c5  4. c4d5  4... e6d5 Duda was in a must-win  situation, whereas the young Indian talent Gukesh D. was mostly enjoying  the opportunity to play against the world's elite. 5. g1f3  5... g8f6  6. c1g5  6... c8e6  7. e2e3  7... c5c4 The main line remains 7...Nc6. 8. d1a4 Gukesh felt that  there is something wrong with this move, as indicated by more than three  minutes spent on the clock. 8... b8c6  9. f1c4 A beautiful novelty that might close the whole line for  Black. 9... d5c4  10. d4d5  10... e6d5 