Chess puzzle (Advantage)
Moves: 1. e4 c5 2. c3 e6 3. Nf3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. e5 Nd5 7. Bd3 Qc7 8. Bd2
Ncb4 9. Be2 Nc2+ 10. Kf1 Nxa1 11. Bc3 Nxc3 12. Nxc3 a6 13. Qxa1 b5 14. g3 Bb7
15. Kg2 Be7 16. Rc1 Qb6 17. Kg1 h5 18. Qb1 h4 19. a3 hxg3 20. fxg3 g5 21. Rd1
g4 22. Ne1 Bh4 23. Ng2 Bxg3 24. hxg3 Ke7 25. Bxg4 Rh6 26. Rf1 Rah8 27. Qd1 Rh1+
28. Kf2 R1h2 29. Bf3 Bxf3 30. Qxf3 *
Position (FEN): 7r/3pkp2/pq2p3/1p2P3/3P4/P1N2QP1/1P3KNr/5R2 b - - 0 30
Black to move.
Themes:  Middlegame  
Puzzle rating: 1017
Best move: Qxd4+