Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Bf5 6. Qe2 Qe7 7. Nd5 Qd8 8.
d3 c6 9. dxe4 Bg4 10. Nc3 Be7 11. Bf4 O-O 12. O-O-O Na6 13. Kb1 Nc5 14. h3 Be6
15. Nd4 d5 16. Nxe6 fxe6 17. Qg4 d4 18. Bh6 Rf7 19. f4 b5 20. b4 Na4 21. Nxa4
bxa4 22. Bc4 Bxb4 23. Bxe6 Kh8 24. Bxf7 gxh6 25. Qe6 Be7 26. Ka1 Bf6 27. e5 Be7
28. g4 c5 29. f5 c4 30. Qxh6 d3 31. c3 Bg5 32. Qe6 Rc8 33. f6 d2 34. h4 Bf4 35.
g5 Rc5 36. g6 hxg6 37. Bxg6 Bxe5 38. f7 Bxc3+ 39. Kb1 Qb8+ 40. Kc2 *
Position (FEN): 1q5k/p4P2/4Q1B1/2r5/p1p4P/2b5/P1Kp4/3R3R b - - 3 40
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 645
Best move: Qb2#