What is White's compensation all about? Black indeed has an extra  pawn, but can he move anything?
1. c2c4  1... g8f6  2. b1c3  2... e7e6  3. e2e4  3... c7c5  4. e4e5  4... f6g8  5. g1f3  5... b8c6  6. d2d4  6... c5d4  7. f3d4 A  famous pawn sacrifice in the Flohr-Mikenas system. For the pawn White  collects the bishop pair and has the lead in the development. 7... c6e5  8. d4b5  8... a7a6  9. b5d6  9... f8d6  10. d1d6  10... f7f6  11. c1e3  11... g8e7  12. e3b6  12... e7f5  13. d6b4  13... e5c6  14. b4c5  14... d8e7  15. e1c1  15... d7d6 Radjabov decided to stick to the pawn. 16. c5a3  16... e8g8  17. g2g4  17... f5h6  18. h1g1  18... h6f7 A novelty.