Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 exd3 5. Qxd3 Nf6 6. c4 Bc5 7. Be3 Qe7 8. Kd2
Bb4+ 9. Nc3 g6 10. Bd4 Bf5 11. Qe2 Ne4+ 12. Kc1 O-O 13. Nf3 Bxc3 14. bxc3 Qa3+
15. Qb2 Qa5 16. Bd3 c5 17. dxc6 Nxc6 18. Re1 Nxd4 19. cxd4 Rfe8 20. Qb3 Rad8
21. Kb2 Rd6 22. c5 Rde6 23. Bc4 Nxc5 24. dxc5 Qxc5 25. Bxe6 Bxe6 26. Rac1 Qa5
27. Qc3 *
Position (FEN): 4r1k1/pp3p1p/4b1p1/q7/5P2/2Q2N2/PK4PP/2R1R3 b - - 3 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1186
Best move: Qxa2#