Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 Nc6 5. a3 Bxc3+ 6. bxc3 b6 7. Bg5 h6 8.
Bh4 g5 9. Bg3 Na5 10. e3 Ne4 11. Qc2 Bb7 12. Bd3 f5 13. Be5 Rg8 14. O-O d6 15.
Bg3 h5 16. h3 Nxg3 17. fxg3 g4 18. hxg4 Rxg4 19. Qf2 Qe7 20. Nh2 Rg5 21. Qf4
O-O-O 22. d5 Rdg8 23. g4 fxg4 24. dxe6 g3 25. Nf3 Bxf3 26. Qxf3 Rg4 *
Position (FEN): 2k3r1/p1p1q3/1p1pP3/n6p/2P3r1/P1PBPQp1/6P1/R4RK1 w - - 1 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1194
Best move: Qa8#