Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. h3 Bg7 8. Nf3
O-O 9. Bd3 b5 10. Bxb5 Nxe4 11. Nxe4 Qa5+ 12. Nc3 Bxc3+ 13. bxc3 Qxb5 14. Be3
Ba6 15. Nd2 Qa5 16. Qc2 Nd7 17. c4 f5 18. O-O f4 19. Nb3 Qa4 20. Bd2 Qxc4 21.
Bc3 f3 22. Rfe1 Rae8 23. Nd2 Qd3 24. Qxd3 Bxd3 25. Nxf3 Be4 26. Rad1 Bxf3 27.
gxf3 Nb6 28. Re6 Rxe6 29. dxe6 d5 30. Kg2 Re8 31. Re1 d4 32. Ba5 Nd5 33. Kg3 h5
34. h4 Kg7 35. Re5 Ne7 36. Rxc5 Nf5+ 37. Kf4 Rxe6 38. Rc7+ Kf6 39. Rxa7 Rd6 40.
Bb4 Rd5 41. a3 d3 42. Bd2 *
Position (FEN): 8/R7/5kp1/3r1n1p/5K1P/P2p1P2/3B1P2/8 b - - 1 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 544
Best move: Rd4#