Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. e3 d5 5. cxd5 cxd5 6. Ne2 h5 7. d4 e4 8. Nbc3
h4 9. a3 h3 10. Bf1 Nc6 11. b4 Bg4 12. Qb3 Bf3 13. Rg1 Ng4 14. Nf4 Nxh2 15.
Bxh3 g5 16. b5 gxf4 17. bxc6 Rxh3 18. cxb7 Rb8 19. Nxd5 Bg4 20. Nxf4 Qa5+ 21.
Bd2 Nf3+ 22. Ke2 Nxg1+ 23. Kf1 Rh1 24. Bxa5 Nh3+ 25. Kg2 *
Position (FEN): 1r2kb2/pP3p2/8/B7/3PpNb1/PQ2P1Pn/5PK1/R6r b - - 2 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1511
Best move: Bf3#