Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 c5 5. Nxd5 cxd4 6. Bc4 Nxe5 7. Qxd4 Nbc6
8. Bb5 Qa5+ 9. Nc3 Bd7 10. Bxc6 Nxc6 11. Qd3 O-O-O 12. Qg3 Nd4 13. Rb1 Nxc2+
14. Kf1 Bb5+ 15. Nge2 Rd1+ 16. Nxd1 *
Position (FEN): 2k2b1r/pp2pppp/8/qb6/8/6Q1/PPn1NPPP/1RBN1K1R b - - 0 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1067
Best move: Qe1#