Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. e3 g6 3. c4 Bg7 4. Nc3 O-O 5. b3 d6 6. Bb2 e5 7. Ne2 Nc6 8. Ng3
a5 9. a3 a4 10. b4 Ne7 11. Qc2 b6 12. h4 h6 13. h5 g5 14. Be2 Be6 15. d4 exd4
16. Nxd4 Bd7 17. Bd3 c5 18. Ndf5 Nxf5 19. Bxf5 d5 20. cxd5 Nxd5 21. O-O-O Bc6
22. e4 Bxb2+ 23. Qxb2 cxb4 24. exd5 Bb5 25. Be4 bxa3 26. Qd4 Rc8+ 27. Kb1 Rc4
28. Qe3 Qf6 29. Rd2 Rb4+ 30. Kc2 Qb2+ 31. Kd1 Qa1+ 32. Kc2 Rb2+ 33. Kc3 Rb3+
34. Kc2 Qa2+ 35. Kd1 Rb1+ 36. Bxb1 *
Position (FEN): 5rk1/5p2/1p5p/1b1P2pP/p7/p3Q1N1/q2R1PP1/1B1K3R b - - 0 36
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 628
Best move: Qxb1#