Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. Bxf6 Bxf6 10. Nxc6 bxc6 11. Qxd6 Qb6 12. Qd2 Rd8 13. Qe3 Rxd1+ 14.
Nxd1 Bd4 15. Qd2 Rb8 16. c3 Bf6 17. f4 h6 18. e5 Be7 19. Bd3 a5 20. Bb1 a4 21.
Qc2 g6 22. a3 Ba6 23. h4 Bc4 24. h5 Bxa3 25. hxg6 Bb3 26. gxf7+ Kf8 27. Qg6
Bxb2+ 28. Nxb2 *
Position (FEN): 1r3k2/5P2/1qp1p1Qp/4P3/p4P2/1bP5/1N4P1/1BK4R b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 684
Best move: Qe3#