Chess puzzle (Checkmate)
Moves: 1. d4 e5 2. dxe5 d6 3. exd6 Bxd6 4. Nf3 Nc6 5. g3 h5 6. h4 Bg4 7. Bg2 Qe7 8.
Be3 O-O-O 9. Nbd2 f5 10. Bg5 Nf6 11. O-O f4 12. gxf4 Bc5 13. e3 Bxe3 14. fxe3
Qxe3+ 15. Rf2 Ne4 16. Qe1 Qxe1+ 17. Rxe1 Nxd2 18. Bxd8 Nxf3+ 19. Bxf3 Rxd8 20.
Bxc6 bxc6 21. Re7 Rd1+ 22. Kg2 g6 23. Re3 Ra1 24. Ra3 Kb7 25. Rb3+ Kc8 26. Ra3
Kb7 27. Rd2 Re1 28. Rd8 Re4 29. Rb3+ Ka6 30. Rdb8 Ra4 31. a3 Bf5 32. Rc3 Be4+
33. Kg3 Bd5 34. b4 Bh1 35. Kf2 Be4 36. Ke3 Bd5 37. Kd4 Bg2 38. Rb3 Bd5 39. Kc3
Be4 40. Kb2 Bf3 41. Rc3 Bd5 42. Rc5 Bg2 43. c4 Bf3 44. Re5 Bg2 45. Kb3 Bf3 46.
Kxa4 *
Position (FEN): 1R6/p1p5/k1p3p1/4R2p/KPP2P1P/P4b2/8/8 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 693
Best move: Bd1#