Chess puzzle (Checkmate)
Moves: 1. Nf3 g6 2. e3 Bg7 3. d4 d6 4. Be2 Nf6 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. Nbd2
cxd4 9. Nxd4 Nd5 10. c4 Nf6 11. a3 Qb6 12. b4 Nxd4 13. Bxd4 Qc7 14. Rc1 b6 15.
Bf3 Rb8 16. Qe2 Bf5 17. Rfd1 Qd7 18. e4 Bg4 19. e5 Bxf3 20. Nxf3 dxe5 21. Bxe5
Qe6 22. Qb2 Rbc8 23. Re1 Rxc4 24. Bxf6 Rxc1 25. Qxc1 Qxf6 26. Qc7 e6 27. Qxa7
Qc3 28. Qxb6 Qxa3 29. b5 Bc3 30. Rf1 Ba5 31. Qc6 Qb4 32. Ne5 Rb8 33. Qd7 Qf8
34. Nc6 Ra8 35. Ra1 Bb6 36. Rf1 Qc5 37. Qb7 Qxf2+ 38. Rxf2 *
Position (FEN): r5k1/1Q3p1p/1bN1p1p1/1P6/8/8/5RPP/6K1 b - - 0 38
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 904
Best move: Ra1#