Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nbd7 7. Bd3 Re8 8. Qc2
e5 9. dxe5 dxe5 10. Bg5 h6 11. Bh4 g5 12. Bg3 c6 13. O-O-O Qa5 14. h4 g4 15.
Nh2 Nc5 16. Bf5 e4 17. Bxc8 Rexc8 18. Bd6 Nd3+ 19. Kb1 b5 20. c5 Nb4 21. Qb3
Nfd5 22. Nxe4 Re8 23. Ng3 Nxe3 24. a3 Nbd5 25. fxe3 Rxe3 26. Rd3 Rxd3 27. Qxd3
b4 28. Nf5 bxa3 29. Nxg7 axb2 30. Kxb2 Qb4+ 31. Qb3 Qd2+ 32. Ka1 Qd4+ 33. Ka2
Nc3+ 34. Kb2 Ne4+ 35. Ka3 Kxg7 36. Qb2 Nc3 37. Rc1 *
Position (FEN): r7/p4pk1/2pB3p/2P5/3q2pP/K1n5/1Q4PN/2R5 b - - 3 37
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1015
Best move: Qa4#