Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c5 6. cxd5 cxd4 7. Bb5+ Bd7 8.
Qxd4 Bxb5 9. Nxb5 Nxd5 10. Bxe7 Qa5+ 11. Nc3 Nxe7 12. Qxg7 Rg8 13. Qxh7 Rxg2
14. Qh8+ Rg8 15. Qd4 Nbc6 16. Qe4 O-O-O 17. Ne2 Nb4 18. a3 Nd3+ 19. Kf1 Nxb2
20. Rb1 Qxa3 21. Nb5 Qa2 22. Qc2+ Kb8 23. Rxb2 Qxb2 24. Qxb2 *
Position (FEN): 1k1r2r1/pp2np2/4p3/1N6/8/4P3/1Q2NP1P/5K1R b - - 0 24
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1471
Best move: Rd1#