Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qg4 Ne7 5. Qxg7 Rg8 6. Qxh7 Bxc3+ 7. bxc3 c5 8.
exd5 Qxd5 9. Nf3 Bd7 10. Bg5 Nbc6 11. Bb5 O-O-O 12. Bxc6 Bxc6 13. Bxe7 Rde8 14.
Bxc5 Rxg2 15. Ne5 Reg8 16. Ke2 f5 17. Qh4 R8g4 18. Nxg4 Qe4+ 19. Kf1 Bb5+ 20.
c4 *
Position (FEN): 2k5/pp6/4p3/1bB2p2/2PPq1NQ/8/P1P2PrP/R4K1R b - - 0 20
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 875
Best move: Bxc4#