Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. c3 Nc6 5. d4 Qf6 6. d5 Na5 7. Bb5+ c6 8. dxc6
bxc6 9. Ba4 Bd7 10. b4 Nc4 11. O-O Ne7 12. Nbd2 d5 13. exd5 Nxd5 14. Nxc4 Be7
15. Bd2 O-O 16. Re1 Bg4 17. Bxc6 Qxc6 18. Ncxe5 Qe6 19. Nxg4 Qxg4 20. c4 Bxb4
21. cxd5 Bd6 22. h3 Qf5 23. Nh4 Qxd5 24. Be3 Qe5 25. Nf3 Qf6 26. Bd4 Qf5 27.
Be5 Bb4 28. Re2 Rfe8 29. Rb1 a5 30. Qd5 *
Position (FEN): r3r1k1/5pp1/7p/p2QBq2/1b6/5N1P/P3RPP1/1R4K1 b - - 1 30
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 793
Best move: Qxb1+