Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 Bb4+ 7. Nc3 Qf6
8. Qb3 Nge7 9. O-O Bxc3 10. Bxc3 Qg6 11. Nh4 Qh5 12. Nf5 Nxf5 13. exf5 O-O 14.
f6 gxf6 15. Bxf6 Na5 16. Qg3+ Qg6 17. Bd3 Qxg3 18. fxg3 d6 19. Bf5 Bxf5 20.
Rxf5 Rfe8 21. Rg5+ Kf8 22. Rxa5 Re6 23. Rf1 a6 24. Rg5 Rae8 25. Rh5 Kg8 26.
Rg5+ Kf8 27. Rg4 Re4 28. Bg7+ Kg8 29. Rg5 R8e6 30. Bf6+ Kf8 31. Rgf5 Ke8 32.
Bg5 Re2 33. Rxf7 Rxa2 34. Rxc7 Ree2 35. Rc8+ Kd7 36. Rd8+ Kc6 37. Rc1+ Kd5 38.
Rd1+ Kc4 39. Rc8+ Kb3 40. Rb1+ Ka3 41. Bc1+ Ka4 42. Rc4+ Ka5 43. Rcb4 *
Position (FEN): 8/1p5p/p2p4/k7/1R6/6P1/r3r1PP/1RB3K1 b - - 18 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 2133
Best move: Re1#