Chess puzzle (Checkmate)
Moves: 1. c4 e6 2. d4 Nf6 3. Bg5 c5 4. e4 cxd4 5. e5 Qa5+ 6. Bd2 Qxe5+ 7. Qe2 Qxe2+ 8.
Bxe2 Nc6 9. Nf3 Bb4 10. Bxb4 Nxb4 11. Na3 Nc6 12. Rd1 e5 13. Nb5 O-O 14. Nd6 a6
15. O-O g6 16. Ng5 Ne8 17. c5 Nxd6 18. cxd6 b5 19. f4 f6 20. Ne4 f5 21. Nc5 e4
22. Rc1 d3 23. Bd1 Nd4 24. g4 Ra7 25. gxf5 gxf5 26. Kf2 Rf6 27. Rg1+ Rg6 28.
Bh5 Rxg1 29. Rxg1+ Kf8 30. Rg5 Bb7 *
Position (FEN): 5k2/rb1p3p/p2P4/1pN2pRB/3npP2/3p4/PP3K1P/8 w - - 3 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 921
Best move: Nxd7#