Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Bg3 Nf6 5. Nbd2 O-O 6. e3 c5 7. c3 Nc6 8. Ne5
Ne7 9. dxc5 Bxc5 10. Be2 b6 11. O-O Bb7 12. b4 Bd6 13. Ndf3 Ne4 14. Qc2 Rc8 15.
c4 Bxb4 16. Qb3 Bd6 17. cxd5 Bxd5 18. Qd1 Ng6 19. Nxg6 hxg6 20. Bxd6 Qxd6 21.
Nd4 Nc3 22. Qd2 Nxe2+ 23. Qxe2 Bc4 24. Qf3 Bxf1 25. Rxf1 Rfd8 26. Rd1 Qd5 27.
e4 Qxd4 28. Rxd4 Rc1+ 29. Rd1 Rcxd1+ 30. Qxd1 *
Position (FEN): 3r2k1/p4pp1/1p2p1p1/8/4P3/8/P4PPP/3Q2K1 b - - 0 30
Black to move.
Themes: Hanging Piece Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 568
Best move: Rxd1#