Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5
9. Qe2 dxc4 10. bxc4 Nbd7 11. d3 Qc7 12. Nbd2 a6 13. Ne1 Bxg2 14. Nxg2 b5 15.
f4 Nb6 16. Rac1 Rfd8 17. g4 Qd7 18. g5 Ne8 19. Ne1 Na4 20. Ba1 Bf8 21. Rf3 Rab8
22. Rh3 g6 23. Qg4 b4 24. Rxh7 Nc3 25. Qh3 Bg7 26. Rxc3 bxc3 27. Rxg7+ Nxg7 28.
Bxc3 e5 29. Qxd7 Rxd7 30. Bxe5 Rbd8 31. Ne4 Rxd3 32. Nxd3 Rxd3 33. Nf6+ Kf8 34.
Kf2 Ne6 35. h4 Ra3 36. f5 Rxa2+ 37. Kf3 gxf5 38. h5 Nxg5+ 39. Kf4 Ne6+ 40. Kxf5
Rf2+ 41. Ke4 a5 42. h6 Ng5+ 43. Kd5 a4 *
Position (FEN): 5k2/5p2/5N1P/2pKB1n1/p1P5/4P3/5r2/8 w - - 0 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1850
Best move: Bd6#