Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bxf6 exf6 6. f4 Bg7 7. Nf3 O-O 8. h3
f5 9. e5 Be6 10. Qd2 c6 11. O-O-O b5 12. a3 a5 13. exd6 Qxd6 14. Ne5 b4 15.
axb4 axb4 16. Nb1 Ra1 17. b3 Nd7 18. Kb2 Rfa8 19. Nxd7 R8a2+ 20. Kc1 Bxb3 21.
Bd3 Qxd7 22. Qxb4 Bd5 23. Bc4 Qe6 24. Bxa2 Bxa2 25. Kb2 Bxb1 26. Kxa1 *
Position (FEN): 6k1/5pb1/2p1q1pp/5p2/1Q1P1P2/7P/2P3P1/Kb1R3R b - - 0 26
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1041
Best move: Qa2#