Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. d4 a6 7. Bc4 Nf6 8.
Bg5 Bf5 9. Bxf6 exf6 10. Nf3 Be7 11. O-O O-O 12. Re1 Bd6 13. h3 Qd7 14. Qd2
Bxh3 15. gxh3 Qxh3 16. Bf1 Qxf3 17. Bg2 Qg4 18. Re4 Qd7 19. Rh4 Nc6 20. Qd3 g6
21. a3 Rad8 22. Bd5 Ne7 23. Bb3 Nf5 24. Rh3 Nxd4 25. Ba2 Nf5 26. Kg2 Qc6+ 27.
Bd5 Qb6 28. Rah1 h6 29. Qxf5 gxf5 30. Rxh6 Qxb2 *
Position (FEN): 3r1rk1/1p3p2/p2b1p1R/3B1p2/8/P1N5/1q3PK1/7R w - - 0 31
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1994
Best move: Rg6#