Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Be3 Nxe4 7. Bd3 Nf6 8.
Nc3 Bg7 9. h4 h5 10. Qe2 Ng4 11. Nxc6 bxc6 12. Bg5 Rb8 13. O-O-O Nf6 14. Rhe1
d6 15. b3 Rb7 16. Ne4 Nxe4 17. Bxe4 O-O 18. Bxc6 Qa5 19. Bxb7 Qa3+ 20. Kb1 Bf5+
21. Rd3 Bxd3+ 22. Qxd3 *
Position (FEN): 5rk1/pB2ppb1/3p2p1/6Bp/2P4P/qP1Q4/P4PP1/1K2R3 b - - 0 22
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 768
Best move: Qb2#