Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d6 4. e3 g6 5. Bd3 Nf6 6. Bg5 Bg7 7. Nf3 Nbd7 8.
Nbd2 O-O 9. c3 h6 10. Bh4 g5 11. Bg3 Nh5 12. Nb3 Nxg3 13. hxg3 e5 14. dxe5 dxe5
15. Qc2 Qe7 16. Be4 Nf6 17. O-O-O Nxe4 18. Qxe4 c6 19. Nbd4 Qf6 20. Nc2 Bf5 21.
Qb4 b5 22. Rd6 Be6 23. Rxc6 Rfd8 24. Qxb5 Qe7 25. Qa6 Rab8 26. e4 Bf8 27. Nxe5
Bc8 28. Qa5 Bb7 29. Rc7 Qd6 30. Nxf7 Qd2+ 31. Kb1 Qd1+ 32. Rxd1 *
Position (FEN): 1r1r1bk1/pbR2N2/7p/Q5p1/4P3/2P3P1/PPN2PP1/1K1R4 b - - 0 32
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 1109
Best move: Rxd1#