Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 cxd4 7. cxd4 Nc6 8. a3
Qb6 9. Bc2 Be7 10. O-O f6 11. f4 O-O 12. Kh1 fxe5 13. fxe5 Rxf1+ 14. Qxf1 Nxd4
15. Nxd4 Qxd4 16. Nc3 Qxe5 17. Bf4 Qf6 18. Qd3 Qxf4 19. Qxh7+ Kf8 20. Bg6 Bf6
21. Qh8+ Ke7 22. Qe8+ Kd6 23. Nb5+ Kc6 24. Nxa7+ Rxa7 25. Qxc8+ Kd6 26. Be8 b6
27. Rc1 Qxc1+ 28. Qxc1 Rc7 29. Qe1 Bxb2 *
Position (FEN): 4B3/2rn2p1/1p1kp3/3p4/8/P7/1b4PP/4Q2K w - - 0 30
White to move.
Themes:  Endgame  
Puzzle rating: 1132
Best move: Qb4+