It's hard to imagine that Black can survive this position, but the computer actually evaluates it as equal.
1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. f2f4 This old move still has some venom, it seems. 6... e7e5  7. d4f3  7... b8d7  8. a2a4  8... d8c7 Preventing the development of the bishop on c4. 9. g2g4 [%c_effect g4;square;g4;type;Interesting;persistent;true] A fresh idea, played only once before, but by a renowned theoretician. 9... d6d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] A novelty that was played quickly by Vitiugov, who was prepared. I'd like to know how top GMs manage to remember so much. 10. g4g5  10... d5d4  11. g5f6  11... d4c3  12. f6g7  12... f8g7 All these moves are the first choice of the computer. 13. f4f5 Now Vitiugov started to think. 13... c3b2 Black has many candidate moves. 14. c1b2  14... c7b6 A risky decision, going after the e4-pawn. This is playable, but not very practical. 15. b2a3  15... b6e3  16. f1e2  16... e3e4 