Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. d4 d5 3. e3 a6 4. a4 Nf6 5. Nc3 c5 6. Nf3 cxd4 7. Nxd4 Bb4 8. Bd2
b6 9. Be2 Bb7 10. O-O h6 11. Bf3 Nbd7 12. cxd5 exd5 13. Qb3 Bxc3 14. Bxc3 Nc5
15. Qa3 O-O 16. Bb4 Rc8 17. Rac1 Nfd7 18. Rc2 a5 19. Bxc5 Nxc5 20. Nb5 Ne6 21.
Rxc8 Qxc8 22. Qd3 Qd7 23. Rd1 Re8 24. Bxd5 Rd8 25. Bc4 Qc6 26. Qxd8+ Nxd8 27.
Rxd8+ Kh7 28. Bd3+ g6 29. Bf1 Qf6 30. Rd7 Ba6 31. Nd6 Qe6 32. Rxf7+ Kg8 33.
Bxa6 Qxd6 34. Rf3 g5 35. Bc4+ Kg7 36. h3 h5 37. Rf7+ Kg6 38. b3 Qd1+ 39. Kh2 h4
40. Rf3 Qd6+ 41. Kg1 Kh5 42. Kf1 *
Position (FEN): 8/8/1p1q4/p5pk/P1B4p/1P2PR1P/5PP1/5K2 b - - 5 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 501
Best move: Qd1#