Chess puzzle (Checkmate)
Opening: Indian_Defense, Indian_Defense_Budapest_Defense
Moves: 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Be3 Nc6 5. g3 Nxe5 6. Bg2 Bb4+ 7. Nd2 Nxd2 8.
Bxd2 Bxd2+ 9. Qxd2 Nxc4 10. Qc3 d5 11. Qxg7 Rf8 12. Nh3 Qd6 13. Rd1 Qb4+ 14.
Kf1 Qxb2 15. Qxb2 Nxb2 16. Rxd5 Be6 17. Rd2 Nc4 18. Rc2 O-O-O 19. Nf4 *
Position (FEN): 2kr1r2/ppp2p1p/4b3/8/2n2N2/6P1/P1R1PPBP/5K1R b - - 6 19
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 1047
Best move: Rd1#