Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2
Bg4 9. a3 Nc6 10. Be3 Qa5 11. O-O O-O 12. h3 Bxf3 13. Qxf3 Rac8 14. Qf2 Nd7 15.
Nd5 e6 16. Nc3 a6 17. Rab1 b5 18. Ne2 Qc7 19. c3 Na5 20. Rfd1 Nc4 21. Bd4 e5
22. Bxc4 Qxc4 23. Be3 exf4 24. Qxf4 Be5 25. Qf3 Nc5 26. Nd4 Ne6 27. Kh1 a5 28.
b3 Qxc3 29. Nxb5 Qc2 30. a4 Rcd8 31. Bh6 Rfe8 32. Rdc1 Qa2 33. Na7 Nd4 34. Qd3
Ne2 35. Nc6 Nxc1 36. Rxc1 Qf2 37. Rf1 Qg3 38. Qxg3 Bxg3 39. Rd1 Rc8 40. Nxa5
Rc3 41. Nc4 d5 42. exd5 Rd3 43. Rxd3 *
Position (FEN): 4r1k1/5p1p/6pB/3P4/P1N5/1P1R2bP/6P1/7K b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1008
Best move: Re1#