Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 Qe4+ 7. Be2 Bg4 8.
O-O e6 9. Bb5+ Nbd7 10. Re1 Bxf3 11. gxf3 Qg6+ 12. Kh1 Bd6 13. Nc4 Bc7 14. Ne5
Bxe5 15. dxe5 Nd5 16. c4 Nb6 17. Rg1 Qh5 18. Bg5 a6 19. Qd6 Qxf3+ 20. Rg2 axb5
*
Position (FEN): r3k2r/1p1n1ppp/1n1Qp3/1pp1P1B1/2P5/5q2/PP3PRP/R6K w kq - 0 21
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 733
Best move: Qe7#