Chess puzzle (Checkmate)
Moves: 1. g3 d5 2. Bg2 e5 3. b3 e4 4. Bb2 f6 5. e3 Nc6 6. c4 Be6 7. Ne2 Nb4 8. Nc1 Nh6
9. O-O Nd3 10. Nxd3 exd3 11. cxd5 Bxd5 12. Bxd5 Qxd5 13. f3 Qh5 14. Rf2 O-O-O
15. Bd4 c5 16. Bc3 Kb8 17. Na3 Be7 18. Nc4 b5 19. Na5 Rc8 20. f4 Qh3 21. Qf1
Qd7 22. Rg2 b4 23. Bb2 Nf5 24. Qf3 Nd6 25. a3 f5 26. axb4 Ne4 27. bxc5 Rxc5 28.
Nc4 Bf6 29. Bxf6 gxf6 30. Qd1 h5 31. Ra4 Qb5 32. Qa1 Rh7 33. Nd6 Nxd6 34. Qxf6
Rc1+ 35. Kf2 Qc6 36. Rb4+ Kc7 37. Qe5 Rc5 38. Qa1 Ne4+ 39. Kg1 Rc1+ 40. Qxc1 *
Position (FEN): 8/p1k4r/2q5/5p1p/1R2nP2/1P1pP1P1/3P2RP/2Q3K1 b - - 0 40
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 403
Best move: Qxc1#