Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Bxf6 gxf6 5. Nc3 d5 6. e3 a6 7. Nf3 dxc4 8.
Bxc4 b5 9. Bb3 Bb7 10. Qe2 Rg8 11. g3 Nd7 12. O-O-O Qc8 13. Kb1 c5 14. Rhe1 c4
15. Bc2 b4 16. Na4 Qc6 17. e4 Nb6 18. d5 Qb5 19. Nxb6 Qxb6 20. Qxc4 Rc8 21. Qb3
a5 22. dxe6 fxe6 23. Qd3 Rd8 24. Ba4+ Kf7 25. Qb3 Qxf2 26. Nh4 Rxd1+ 27. Qxd1
Rd8 28. Qe2 Qxe2 29. Rxe2 Bd6 30. Bb3 Be5 31. Nf3 Rd3 32. Nxe5+ fxe5 33. Rf2+
Ke7 34. Re2 Rd4 35. Bc2 a4 36. Bxa4 Bxe4+ 37. Bc2 *
Position (FEN): 8/4k2p/4p3/4p3/1p1rb3/6P1/PPB1R2P/1K6 b - - 1 37
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 1386
Best move: Rd1#