Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4 d6 5. Bf4 c6 6. Qe2 O-O 7. O-O-O Qa5 8.
Kb1 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. g4 e5 12. Be3 b5 13. h4 b4 14. Ne2 exd4
15. Nxd4 Ne5 16. Qg2 Nfxg4 17. Bc1 h5 18. f3 Nf6 19. Rg1 c5 20. Nf5 Rfd8 21.
Nxg7 Kxg7 22. Bg5 Rd7 23. f4 Neg4 24. e5 dxe5 25. Rxd7 Nxd7 26. f5 e4 27. Qxe4
Nb6 28. Rxg4 hxg4 29. f6+ Kg8 30. Bc4 Kh8 31. Bh6 Rd8 32. Bxf7 Rd1+ 33. Bc1
Rxc1+ 34. Kxc1 Qb5 35. Qxg6 Qf1+ 36. Kd2 Qf2+ 37. Kc1 *
Position (FEN): 7k/p4B2/1n3PQ1/2p5/1p4pP/8/PPP2q2/2K5 b - - 4 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1130
Best move: Qe1#