1. b1c3  1... g8f6  2. d2d4  2... d7d5  3. c1f4 Firouzja's bread-and-butter line. 3... c7c5  4. e2e3  4... c5d4  5. e3d4  5... a7a6  6. g1f3  6... b8c6  7. f3e5  7... e7e6  8. g2g3  8... c8d7  9. f1g2  9... c6e5 This line has picked up of late. 10. d4e5  10... f6g8 Black loses a couple of tempi, but it might be worth it as long as the knight manages to comfortably attack the key e5-pawn. 11. h2h4 Aggressive prophylaxis. 11... a8c8  12. e1g1  12... g8e7  13. h4h5  13... h7h6  14. c3e2 Where's this knight going $2 The d4-outpost seems like a perfect candidate. But not the only one... 14... e7c6 Giri plays solidly.