Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. dxc5 b6 3. cxb6 Qxb6 4. Nf3 g6 5. c3 Bg7 6. g3 Bb7 7. Bg2 Nf6 8.
O-O O-O 9. Nbd2 Nc6 10. Nb3 Na5 11. Be3 Qc7 12. Nfd4 Bxg2 13. Kxg2 Nc4 14. Qc1
Nxe3+ 15. Qxe3 Rfe8 16. Kg1 d6 17. Rac1 Qd7 18. Rfd1 Qh3 19. Qf3 Ng4 20. Qg2
Qh5 21. Nf3 Qb5 22. h3 Nf6 23. Nfd4 Qa6 24. Ra1 Rab8 25. Qf3 Qc8 26. Kh2 Nd7
27. Qc6 Ne5 28. Qxc8 Rexc8 29. Rab1 Nc6 30. Kg2 Nxd4 31. Nxd4 Bxd4 32. Rxd4 Rc7
33. e4 Rcb7 34. b3 Rc8 35. c4 a5 36. Kf3 Rcb8 37. Rd3 Rc8 38. Rc3 Rc5 39. Ke3
f5 40. exf5 Rxf5 41. f4 e5 42. fxe5 Rxe5+ 43. Kd4 Re2 44. a4 Rbe7 45. Rd1 R7e5
46. Rdd3 *
Position (FEN): 6k1/7p/3p2p1/p3r3/P1PK4/1PRR2PP/4r3/8 b - - 4 46
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 935
Best move: R2e4#