Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nf6 3. f3 e5 4. d4 cxd4 5. cxd4 Nc6 6. dxe5 Qa5+ 7. Bd2 Qxe5 8.
Bc3 Qe7 9. Be2 d5 10. Bxf6 gxf6 11. exd5 Ne5 12. Nc3 Bd7 13. Qd2 h5 14. O-O-O
Bh6 15. f4 Ng6 16. g3 h4 17. Nf3 hxg3 18. hxg3 O-O-O 19. Kb1 Kb8 20. d6 Bf5+
21. Ka1 Qf8 22. Qd4 Bg7 23. Nb5 b6 24. Rxh8 Qxh8 25. Qa4 Rd7 26. Nfd4 Be4 27.
Bg4 f5 28. Nxf5 *
Position (FEN): 1k5q/p2r1pb1/1p1P2n1/1N3N2/Q3bPB1/6P1/PP6/K2R4 b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1241
Best move: Bxb2#