Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Nf3 Nd7 5. e3 e6 6. Be2 Ngf6 7. O-O Bd6 8. Nh4
Bg6 9. Nxg6 hxg6 10. g3 Qe7 11. Bf3 O-O-O 12. a3 Rh7 13. b4 b6 14. c5 Bc7 15.
cxb6 Nxb6 16. b5 Rdh8 17. bxc6 Rxh2 18. Nb5 Bb8 19. a4 Ne4 20. Qb3 Qf6 21. Bg2
Nxg3 22. fxg3 Rh1+ 23. Bxh1 Rxh1+ 24. Kxh1 Qxf1+ 25. Kh2 Qf2+ 26. Kh1 Bxg3 27.
Ra2 *
Position (FEN): 2k5/p4pp1/1nP1p1p1/1N1p4/P2P4/1Q2P1b1/R4q2/2B4K b - - 1 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1506
Best move: Qf1#