Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Wayward_Queen_Attack
Moves: 1. e4 e5 2. Qh5 Nc6 3. Bc4 Qe7 4. Ne2 Nf6 5. Qf3 Nd4 6. Nxd4 exd4 7. d3 c6 8.
Bg5 Qe5 9. Bxf6 gxf6 10. O-O d5 11. exd5 cxd5 12. Re1 *
Position (FEN): r1b1kb1r/pp3p1p/5p2/3pq3/2Bp4/3P1Q2/PPP2PPP/RN2R1K1 b kq - 1 12
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 466
Best move: Qxe1#