Chess puzzle (Checkmate)
Opening: Kadas_Opening, Kadas_Opening_Other_variations
Moves: 1. h4 e5 2. e4 Nf6 3. Nc3 Bc5 4. d3 h6 5. Be3 Bxe3 6. fxe3 d6 7. Be2 c5 8. Qd2
Nc6 9. O-O-O Be6 10. Nf3 Qa5 11. a3 b5 12. Nb1 b4 13. Rhf1 Rb8 14. g3 bxa3 15.
Nxa3 Nb4 16. g4 Qxa3 17. bxa3 *
Position (FEN): 1r2k2r/p4pp1/3pbn1p/2p1p3/1n2P1PP/P2PPN2/2PQB3/2KR1R2 b k - 0 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 868
Best move: Na2#