Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 c6 5. e4 d6 6. O-O O-O 7. c3 e5 8. Re1 a5
9. d4 Nbd7 10. Nbd2 Re8 11. Nc4 Nb6 12. Nxb6 Qxb6 13. dxe5 Ng4 14. Qc2 Nxe5 15.
Be3 Qc7 16. Rad1 Nxf3+ 17. Bxf3 Be6 18. Rd2 Rad8 19. Red1 f5 20. Bf4 Be5 21.
Bg5 Rd7 22. Bg2 Kf7 23. c4 Bf6 24. Bxf6 Kxf6 25. c5 d5 26. exd5 Bxd5 27. Bxd5
cxd5 28. Qc3+ Qe5 29. Qxa5 d4 30. b4 f4 31. Qb6+ Re6 32. Qb5 f3 33. Qd3 Qe4 34.
h4 Qg4 35. Kh2 g5 36. hxg5+ Kxg5 37. a4 Rh6+ 38. Kg1 Rh1+ 39. Kxh1 Qh3+ 40. Kg1
*
Position (FEN): 8/1p1r3p/8/2P3k1/PP1p4/3Q1pPq/3R1P2/3R2K1 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 917
Best move: Qg2#