Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 e5 3. d5 f5 4. Nc3 Nf6 5. Bg5 h6 6. Bd2 g6 7. h3 Bg7 8. Qc2 Na6
9. a3 Nc5 10. g4 a5 11. f3 e4 12. Be3 Qe7 13. Bxc5 dxc5 14. O-O-O e3 15. Nb5
O-O 16. d6 cxd6 17. Nxd6 Rd8 18. Nxc8 Rxd1+ 19. Qxd1 Rxc8 20. Qc2 Rd8 21. gxf5
Rd2 22. Qb3 Nh5 23. h4 Ng3 24. Rh2 Nxf1 25. Rg2 g5 26. hxg5 hxg5 27. f4 Qe4 28.
Rxg5 Qd4 29. Nf3 Rd1+ 30. Qxd1 *
Position (FEN): 6k1/1p4b1/8/p1p2PR1/2Pq1P2/P3pN2/1P2P3/2KQ1n2 b - - 0 30
Black to move.
Themes: Queenside Attack Endgame Mate in 1 
Puzzle rating: 1509
Best move: Qxb2#