Chess puzzle (Checkmate)
Opening: Rapport-Jobava_System, Rapport-Jobava_System_Other_variations
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nc3 c6 4. e3 Bg4 5. f3 Bd7 6. e4 e6 7. e5 Ng8 8. Bd3 Ne7
9. Nge2 Na6 10. a3 Ng6 11. Bg3 Be7 12. Qd2 O-O 13. O-O-O b5 14. Kb1 Rb8 15. h4
Qb6 16. h5 b4 17. hxg6 bxc3 18. Nxc3 *
Position (FEN): 1r3rk1/p2bbppp/nqp1p1P1/3pP3/3P4/P1NB1PB1/1PPQ2P1/1K1R3R b - - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 486
Best move: Qxb2#