Chess puzzle (Checkmate)
Moves: 1. e3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d5 6. Ne2 Bg4 7. O-O Bxe2 8.
Qxe2 Nbd7 9. Nc3 c6 10. d3 a6 11. Rab1 Qc7 12. Na4 b5 13. Nc3 b4 14. Na4 h5 15.
c3 c5 16. cxb4 cxb4 17. Rbc1 Qd6 18. Rcd1 Ng4 19. e4 Nxh2 20. Kxh2 Be5 21. Bxe5
Qxe5 22. f4 Qg7 23. exd5 h4 24. d6 hxg3+ 25. Kxg3 exd6 26. Bxa8 Rxa8 27. Qe7
Nf6 28. Qe6 Nh5+ 29. Kh4 Qh7 30. Qg4 Nf6+ 31. Kg5 Nxg4 32. Kxg4 Qh5+ 33. Kg3 f5
34. Kf2 Qh4+ 35. Ke3 Qg3+ 36. Kd4 d5 37. Nb6 Rb8 38. Nxd5 Rd8 39. Kc4 Rxd5 40.
Kxd5 Qe3 41. Kc4 Qb6 42. d4 *
Position (FEN): 6k1/8/pq4p1/5p2/1pKP1P2/1P6/P7/3R1R2 b - - 0 42
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1024
Best move: Qb5#