Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 Nbd7 7. Nf3 c5 8.
cxd5 Nxd5 9. dxc5 Nxc5 10. c4 Nc3 11. Qxd8+ Kxd8 12. Bb2 N3a4 13. Rd1+ Ke7 14.
Bxg7 Rg8 15. Ba1 f6 16. g3 Bd7 17. Bh3 b5 18. cxb5 Bxb5 19. Nd4 Bc4 20. Rc1
Nd3+ 21. Kd2 Nxc1 22. Rxc1 Bd5 23. Rc7+ Kd6 *
Position (FEN): r5r1/p1R4p/3kpp2/3b4/n2N4/P3P1PB/3K1P1P/B7 w - - 3 24
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1386
Best move: Nb5#