Chess puzzle (Checkmate)
Moves: 1. g3 d5 2. Bg2 e5 3. Nh3 Nf6 4. O-O Be6 5. f4 Qd7 6. Nf2 e4 7. e3 g6 8. h3 Bg7
9. Nc3 c6 10. d3 Nh5 11. g4 Ng3 12. Re1 h5 13. g5 Na6 14. Kh2 h4 15. dxe4 Rd8
16. e5 c5 17. Ne2 Nf5 18. c3 d4 19. cxd4 cxd4 20. exd4 O-O 21. Ne4 Bd5 22. Nf6+
Bxf6 23. gxf6 Bxg2 24. Kxg2 Qc6+ 25. Kh2 Nb4 26. Rf1 Nc2 27. Rb1 Nce3 28. Bxe3
Nxe3 29. Qd3 *
Position (FEN): 3r1rk1/pp3p2/2q2Pp1/4P3/3P1P1p/3Qn2P/PP2N2K/1R3R2 b - - 1 29
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 809
Best move: Qg2#