Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. g3 d6 7. Bg2 g6 8. Nf3
Bg7 9. O-O O-O 10. Nc3 Nbd7 11. Re1 Nb6 12. e4 Nfd7 13. Qc2 Nc4 14. b3 Qa5 15.
bxc4 Bxc3 16. Bd2 Bxd2 17. Nxd2 Rab8 18. Reb1 Rb4 19. Rxb4 cxb4 20. Nb3 Qc7 21.
Bf1 Ne5 22. Rc1 Rc8 23. Nd2 Qc5 24. Qa4 Ng4 25. Bg2 Nxf2 26. Nb3 Qe3 27. Qxa6
Nh3+ 28. Kh1 Qg1+ 29. Rxg1 *
Position (FEN): 2r3k1/4pp1p/Q2p2p1/3P4/1pP1P3/1N4Pn/P5BP/6RK b - - 0 29
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 1412
Best move: Nf2#