1. c2c4  1... g8f6  2. b1c3  2... e7e5  3. g2g3  3... f8b4  4. f1g2  4... e8g8  5. e2e4 An interesting sideline of the English Opening. 5... b4c3  6. b2c3  6... c7c6 Black's plan is to play d5 quickly. 7. g1f3 [%c_effect f3;square;f3;type;Interesting;persistent;true] A fresh move that has been played by strong GMs. 7... d7d5 Nepomniachtchi is, as usual, very well-prepared. 8. c4d5  8... c6d5  9. e4d5  9... f6d5  10. e1g1  10... b8c6  11. f1e1  11... e5e4 [%c_effect e4;square;e4;type;GreatFind;persistent;true] A strong opening novelty. 12. f3d4  12... c6d4  13. c3d4  13... c8f5  14. d2d3 [%c_effect d3;square;d3;type;GreatFind;persistent;true] Much better than 14... e4d3  15. d1f3  15... d8a5 [%c_effect a5;square;a5;type;Inaccuracy;persistent;true] The best formation for Black is to have the bishop on e6 and the queen on d7, so he should have gone for it immediately. 16. c1g5 [%c_effect g5;square;g5;type;GreatFind;persistent;true] Protecting the rook and developing the bishop. 16... f5e6  17. f3d3  17... h7h6 [%c_effect h6;square;h6;type;Mistake;keyPressed;undefined;persistent;true][%cal dg5h6][%c_arrow g5h6;keyPressed;none;from;g5;opacity;0.8;to;h6;persistent;false] The losing mistake. 18. g5h6 [%c_effect h6;square;h6;type;GreatFind;keyPressed;undefined;persistent;true] The good old sacrifice on h6, probably one of the oldest tactical themes in chess. 18... g7h6  19. e1e6 [%c_effect e6;square;e6;type;GreatFind;persistent;true] 19... d5b4  20. e6g6  20... f7g6  21. d3g6  21... g8h8  22. g6h6 