Chess puzzle (Checkmate)
Moves: 1. g3 c6 2. d4 d5 3. Nf3 Bf5 4. Bg2 e6 5. O-O Bd6 6. c4 dxc4 7. Nfd2 b5 8. a4
h5 9. axb5 h4 10. Nxc4 hxg3 11. fxg3 Bh3 12. b6 Bxg2 13. Kxg2 Rxh2+ 14. Kf3
Qf6+ 15. Ke3 Qg5+ 16. Kd3 Qg6+ 17. e4 Qxg3+ 18. Rf3 Qg2 19. Nxd6+ Kd8 20. b7
Rh1 21. bxa8=N Rxd1+ 22. Nd2 Rxd2+ 23. Bxd2 Qxf3+ 24. Kc2 Nf6 25. Rxa7 Nxe4 *
Position (FEN): Nn1k4/R4pp1/2pNp3/8/3Pn3/5q2/1PKB4/8 w - - 0 26
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1680
Best move: Ba5#