Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. a4 Nf6 7. Bg5 h6 8. Bxf6
exf6 9. Nxc6 bxc6 10. Be2 Be7 11. O-O O-O 12. Bf3 Qb6 13. b3 Bb7 14. Re1 Rfd8
15. Qd2 Rd7 16. Bg4 Rdd8 17. Qe3 Qc7 18. Rad1 Re8 19. Qg3 Rad8 20. Re3 Qa5 21.
Ne2 d5 22. exd5 cxd5 23. Nd4 Bd6 24. Qh4 Bf4 25. Rxe8+ Rxe8 26. Bd7 Re1+ 27.
Rxe1 *
Position (FEN): 6k1/1b1B1pp1/p4p1p/q2p4/P2N1b1Q/1P6/2P2PPP/4R1K1 b - - 0 27
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 738
Best move: Qxe1#