Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. c3 Nf6 3. Qa4+ Nc6 4. d3 e6 5. g3 Bd7 6. Qb3 Na5 7. Qc2 c5 8. Bg2
Bd6 9. O-O O-O 10. a3 Qe7 11. b4 cxb4 12. axb4 Nc6 13. Bg5 Bxb4 14. Bxf6 Qxf6
15. cxb4 Nxb4 16. Qc3 Qxc3 17. Nxc3 Bc6 18. Rab1 Na6 19. Ne5 f6 20. Nxc6 bxc6
21. Rb7 Nc5 22. Rc7 Rfc8 23. Rxc8+ Rxc8 24. Ra1 Ra8 25. d4 Nd7 26. Ra6 Nb6 27.
e3 Kf7 28. Ne2 g5 29. Bh3 f5 30. Nc1 g4 31. Bf1 Ke7 32. Nd3 Kd6 33. Ne5 h5 34.
Ra5 Nd7 35. Ra6 Nxe5 36. dxe5+ Kxe5 37. Rxc6 a5 38. Rc3 a4 39. Ra3 Ke4 40. Bd3+
Kf3 41. Bb5 Rb8 42. Bd7 *
Position (FEN): 1r6/3B4/4p3/3p1p1p/p5p1/R3PkP1/5P1P/6K1 b - - 7 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 702
Best move: Rb1#