Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. d3 Nf6 7. Nc3 d5 8.
Na4 Qa5 9. b3 O-O 10. Re1 dxe4 11. dxe4 Rd8 12. Qe2 Bg4 13. c4 Bxf3 14. Qxf3 *
Position (FEN): r2r2k1/p3ppbp/2p2np1/q1p5/N1P1P3/1P3Q2/P4PPP/R1B1R1K1 b - - 0 14
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 694
Best move: Qxe1#