Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 Nc6 5. Nf3 Bb4+ 6. Nc3 Nge7 7. a3 Ba5 8.
b4 Bb6 9. Be3 O-O 10. O-O a5 11. b5 Na7 12. a4 c6 13. d5 exd5 14. Bxb6 Qxb6 15.
exd5 cxd5 16. Nxd5 Nxd5 17. Bxd5 Rd8 18. Qb3 Be6 19. Bxe6 Qxe6 20. Qxe6 fxe6
21. Rfe1 Nc8 22. Rxe6 Nd6 23. Rc1 Rac8 24. Rxc8 Rxc8 25. Rxd6 Rc1+ 26. Ne1 *
Position (FEN): 6k1/1p4pp/3R4/pP6/P7/8/5PPP/2r1N1K1 b - - 2 26
Black to move.
Themes: Hanging Piece Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 703
Best move: Rxe1#