context: 1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. c1e3  6... e7e5  7. d4f3  7... b8c6 A relatively rare move, as Black usually prefers to keep the flexibility of the knight, which can also go to d7. 8...Be7 is the most-played move. The move in the game, however, has already been tried by strong GMs specializing in the Najdorf, such as Firouzja and Nepomniachtchi. 8. f1c4  8... c8e6  9. c4b3  9... c6a5 Hunting the white bishop. 10. e3g5  10... a5b3  11. a2b3  11... f8e7  12. e1g1  12... a8c8 Now it's not so simple to exchange on f6 and put the knight on d5, since the pawn on c2 requires protection. 13. f1e1  13... e8g8 