Chess puzzle (Advantage)
Moves: 1. b3 e5 2. Bb2 e4 3. d3 Qe7 4. dxe4 Qxe4 5. Nf3 Bb4+ 6. Nbd2 d5 7. Bxg7 Bg4 8.
Bxh8 f6 9. h3 Bxf3 10. gxf3 Qe5 11. Rg1 Ne7 12. Rb1 Nbc6 13. Bg7 O-O-O 14. e3
Rg8 15. f4 Qd6 16. Qg4+ f5 17. Qe2 Bc3 18. Bxc3 Rxg1 19. Nf3 Rh1 20. Rd1 Qc5
21. Bd4 Qb4+ 22. c3 Qa3 23. c4 Qb4+ 24. Qd2 Qa3 25. cxd5 Nxd5 26. Be5 Nde7 27.
Qd7+ Kb8 28. Qd8+ *
Position (FEN): 1k1Q4/ppp1n2p/2n5/4Bp2/5P2/qP2PN1P/P4P2/3RKB1r b - - 5 28
Black to move.
Themes:  Middlegame  
Puzzle rating: 815
Best move: Nxd8