Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. O-O O-O 8. Bf4
Bd6 9. Be3 Ng4 10. Bg5 f6 11. Bc1 f5 12. a3 a5 13. Nc3 Nf6 14. Nb5 Be4 15. Nxd6
Qxd6 16. Bf4 Qc6 17. Ne5 Qb7 18. f3 Bc6 19. b4 axb4 20. axb4 Rxa1 21. Qxa1 b5
22. c5 Bd5 23. Re1 d6 24. Nd3 Qc6 25. Nf2 Nh5 26. Bg5 h6 27. Bd2 Nd7 28. e4 Bc4
29. Qd1 f4 30. g4 Nhf6 31. e5 Nd5 32. exd6 cxd6 33. Rxe6 N7f6 34. Rxd6 Qe8 35.
Ne4 Nxe4 36. fxe4 f3 37. exd5 fxg2 38. Re6 Qf7 39. Kxg2 Bd3 40. Re3 Bf1+ 41.
Kg1 Bc4 42. Be1 Bxd5 43. Qd2 *
Position (FEN): 5rk1/5qp1/7p/1pPb4/1P1P2P1/4R3/3Q3P/4B1K1 b - - 1 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1238
Best move: Qf1#