Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Samisch_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2
Rb8 9. Bh6 Bxh6 10. Qxh6 e5 11. d5 Nd4 12. Nxd4 exd4 13. Ne2 Nd7 14. Nxd4 Qf6
15. O-O-O c5 16. dxc6 bxc6 17. Nxc6 *
Position (FEN): 1rb2rk1/3n1p1p/p1Np1qpQ/8/2P1P3/5P2/PP4PP/2KR1B1R b - - 0 17
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 805
Best move: Qxb2#