Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. e4 Nf6 3. e5 Nh5 4. c4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. Be3
Ng7 9. Be2 Nf5 10. Bf2 Bxf3 11. Bxf3 Nfxd4 12. Bxd4 Nxd4 13. Bxb7 Rb8 14. Qa4+
Qd7 15. Qxa7 Nc2+ 16. Ke2 Rxb7 17. Qxb7 Nxa1 18. Nc3 Nc2 19. Rd1 Nd4+ 20. Kf2
Qf5+ 21. Kg1 Qxe5 *
Position (FEN): 4kb1r/1Qp1pp1p/6p1/4q3/2Pn4/2N5/PP4PP/3R2K1 w k - 0 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1220
Best move: Qc8#