Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 e6 8.
O-O-O Be7 9. f4 Qc7 10. g4 b5 11. Bg2 Bb7 12. e5 dxe5 13. fxe5 Nd5 14. Bxe7
Nxc3 15. bxc3 Kxe7 16. Bxb7 Qxb7 17. Rhf1 Rhf8 18. Qe3 h6 19. g5 Rac8 20. gxh6
gxh6 21. Qxh6 Rxc3 22. Nxe6 Qg2 23. Qh4+ Kxe6 24. Rd6+ Kxe5 *
Position (FEN): 5r2/3n1p2/p2R4/1p2k3/7Q/2r5/P1P3qP/2K2R2 w - - 0 25
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1021
Best move: Qf4#