context: 1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. f1b5 The Rossolimo line is a frequent guest at the top level. GM Sveshnikov once considered it the only way to fight against his beloved defense. 3... g7g6  4. e1g1  4... f8g7  5. f1e1  5... e7e5  6. b5c6  6... d7c6  7. d2d3  7... d8e7  8. a2a4  8... g8f6  9. a4a5  9... e8g8  10. c1e3  10... f8d8  11. d1c1  11... c5c4 Mamedov's idea from before, except that this time this is not even a sacrifice. It is a novelty, though. 12. a1a3  12... c4d3  13. c2d3 And the players enter a reversed Najdorf pawn structure. 13... f6h5 Quite a natural move. 14. e3g5 White is trying to provoke a concession.