Chess puzzle (Checkmate)
Moves: 1. f3 d5 2. h4 e5 3. h5 h6 4. e3 c6 5. b3 f5 6. Bb2 Nf6 7. Nc3 Bd6 8. Qe2 e4 9.
O-O-O Be6 10. d3 Nbd7 11. dxe4 fxe4 12. fxe4 Nb6 13. exd5 Nbxd5 14. e4 Bf4+ 15.
Kb1 Nxc3+ 16. Bxc3 Qe7 17. e5 Nd5 18. Bb2 O-O-O 19. Nf3 Qb4 20. Rd4 Qb6 21. c4
Be3 22. cxd5 Bf5+ 23. Ka1 Bxd4 24. Bxd4 Qa5 25. d6 Rhe8 26. Qd2 Qd5 27. Bc4 Qe4
28. Rh4 *
Position (FEN): 2krr3/pp4p1/2pP3p/4Pb1P/2BBq2R/1P3N2/P2Q2P1/K7 b - - 6 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1004
Best move: Qb1#