1. d2d4  1... g8f6  2. g1f3  2... d7d5  3. c1g5  3... f6e4  4. g5h4 The real battle in this game will unfold over the next four moves, so we need to pay special attention to what happens in this interval. Dubov is known for his original opening ideas and for analyzing them in great depth. 4... h7h5 [%c_effect h5;square;h5;type;Interesting;persistent;true] Nepomniachtchi chooses a rare line, but it's the computer's first choice, which certainly did not go unnoticed by the renowned theorist who leads the white pieces. The idea is to play 5...f6 followed by g7-g5. The bishop on h4 doesn't have an easy life. 5. h2h3 A good reaction, freeing the h2-square for the bishop. 5... h8g8 [%c_effect g8;square;g8;type;Inaccuracy;persistent;true] The first step in the wrong direction. 6. b1d2 [%c_effect d2;square;d2;type;GreatFind;persistent;true] 6... g7g5  7. d2e4  7... g5h4 [%c_effect h4;square;h4;type;Mistake;persistent;true] Black is left with a miserable position after this move.