Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 Nf6 3. Nc3 d5 4. e5 Nfd7 5. f4 c5 6. Nf3 cxd4 7. Qxd4 Nc6 8. Qd1
Bc5 9. Bb5 Qb6 10. Bxc6 bxc6 11. Na4 Qa5+ 12. Nc3 Ba6 13. Bd2 Qc7 14. Na4 Bb5
15. Nxc5 Nxc5 16. Bb4 Ne4 17. Nd2 Nxd2 18. Qxd2 c5 19. Ba5 Qc6 20. O-O-O O-O
21. g4 Rab8 22. b3 c4 23. Qc3 cxb3 24. Qxc6 Bxc6 25. axb3 Rb5 26. Bc7 a5 27.
Bd6 Ra8 28. f5 a4 29. b4 a3 30. Kb1 a2+ 31. Ka1 g6 32. fxe6 fxe6 33. Rhf1 Rb7
34. Rf2 Bb5 35. Rf6 Ba4 36. Rd2 Rc8 37. Bc5 Rc6 38. Rf8+ Kg7 39. Ra8 Bb5 40. g5
Bc4 41. Rf2 Rxc5 42. bxc5 *
Position (FEN): R7/1r4kp/4p1p1/2PpP1P1/2b5/8/p1P2R1P/K7 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 704
Best move: Rb1#