Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e4 d6 8. e5
Be7 9. Nc3 O-O 10. Bd3 c5 11. exd6 Bxd6 12. dxc5 Bxc5 13. Qc2 Nc6 14. a3 f5 15.
O-O e5 16. Rad1 Qf6 17. Nd5 Qf7 18. b4 Bd6 19. c5 Bb8 20. Bc4 Be6 21. Rfe1 e4
22. b5 Ne5 23. Nxe5 Bxe5 24. Ne3 Rae8 25. Bxe6 Rxe6 26. Qc4 Rfe8 27. Rd5 f4 28.
Ng4 Bb8 29. h3 f3 30. g3 e3 31. Nxe3 Bxg3 32. c6 bxc6 33. bxc6 Rg6 34. Kf1 Bc7
35. Rd7 Qxc4+ 36. Nxc4 Rg1+ 37. Kxg1 *
Position (FEN): 4r1k1/p1bR2p1/2P4p/8/2N5/P4p1P/5P2/4R1K1 b - - 0 37
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 921
Best move: Rxe1#