Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Be7 8.
Nge2 O-O 9. O-O Re8 10. Qc2 Nf8 11. f3 Ng6 12. e4 c5 13. Be3 dxe4 14. Nxe4 cxd4
15. Bxd4 Nxe4 16. Bxe4 Be6 17. Rad1 Rc8 18. Bc3 Qb6+ 19. Kh1 Bb4 20. a3 Bxc3
21. Nxc3 Bb3 22. Qc1 Bxd1 23. Rxd1 Nf4 24. Qxf4 Qxb2 25. Nd5 Rcd8 26. Rb1 Qxa3
27. Qh4 h6 28. Qg4 Qd6 29. Rxb7 Qe5 30. f4 Qa1+ 31. Rb1 Qxb1+ 32. Bxb1 *
Position (FEN): 3rr1k1/p4pp1/7p/3N4/5PQ1/8/6PP/1B5K b - - 0 32
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 610
Best move: Re1#