Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bf4 Nc6 5. Nb5 Nd5 6. Bg3 a6 7. Qa4 Bd7 8.
Nc3 Nxc3 9. bxc3 Nxd4 10. Qd1 Nb5 11. Be5 f6 12. Bd4 e5 13. Be3 Nxc3 14. Qc2
Bb4 15. Bd2 Ba4 16. Qb2 Qxd2+ 17. Qxd2 Nd5 18. Qxb4 Nxb4 19. Rb1 c5 20. e4 c3
21. a3 Nc2+ 22. Ke2 Bb5+ 23. Kf3 Nd4+ 24. Ke3 Bxf1 25. Rxf1 O-O-O 26. Nf3 Nc2+
27. Ke2 Nd4+ 28. Ke3 Nxf3 29. gxf3 Rd2 30. Rc1 Rhd8 31. Rxc3 b6 32. Rhc1 Ra2
33. Rb1 Rdd2 34. Rxb6 Rxf2 35. Rxc5+ Kd7 36. Rd5+ Kc7 37. Rxa6 Rfe2+ 38. Kd3
Rad2+ 39. Kc4 Rxd5 40. Kxd5 Kb7 41. Re6 Rg2 42. Re7+ Ka6 43. Re6+ Kb5 44. h4 *
Position (FEN): 8/6pp/4Rp2/1k1Kp3/4P2P/P4P2/6r1/8 b - - 0 44
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 497
Best move: Rd2#