Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Bb4 6. Bd2 Ne7 7. cxd5 Nxd5 8. Nxd5
Bxd2+ 9. Qxd2 Qxd5 10. Nf3 Nd7 11. Bd3 Bxd3 12. Qxd3 Nb6 13. O-O O-O-O 14. b3
Kb8 15. Rac1 Rd7 16. Qc3 h6 17. h3 Rhd8 18. a4 Qe4 19. a5 Nd5 20. Qc4 Nf4 21.
Kh2 Rxd4 22. Nxd4 *
Position (FEN): 1k1r4/pp3pp1/2p1p2p/P3P3/2QNqn2/1P5P/5PPK/2R2R2 b - - 0 22
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1508
Best move: Qxg2#