Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 Nc6 3. g3 b6 4. Bg2 Ba6 5. Nd2 Nxd4 6. Bxa8 Qxa8 7. Ngf3 Nxf3+
8. Nxf3 Bxc4 9. a4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qe4 12. Rd1 d6 13. Qd4 *
Position (FEN): 4k1nr/p1p2ppp/1p1pp3/8/P1bQq3/5NP1/1P2PP1P/3RK2R b Kk - 1 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 837
Best move: Qxe2#