Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. c4 e6 6. Nc3 Bb4 7. Bg5 O-O 8. Bd3
dxc4 9. Bxc4 b6 10. O-O Bb7 11. Ne5 Nbd7 12. f4 Be7 13. Qe2 Rc8 14. Rad1 h6 15.
Bh4 Nd5 16. Bxe7 Qxe7 17. f5 Nxe5 18. dxe5 Qc5+ 19. Kh1 Qxc4 20. Qh5 Nxc3 21.
bxc3 Qe4 22. Rd2 Kh7 23. f6 g6 24. Qh3 Qxe5 25. Rd4 Qe2 26. Rg1 Rc5 27. Rh4 Rh5
28. Qg3 Rxh4 29. Qxh4 Rd8 30. Qb4 Qxg2+ 31. Rxg2 *
Position (FEN): 3r4/pb3p1k/1p2pPpp/8/1Q6/2P5/P5RP/7K b - - 0 31
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 648
Best move: Rd1#