Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nbd7 9. O-O-O O-O 10. f5 Ne5 11. Qe2 b5 12. h4 exf5 13. Nxf5 Bxf5 14. exf5 Qa5
15. Kb1 Rfd8 16. Nd5 Nxd5 17. Rxd5 f6 18. Bd2 Qc7 19. g4 Rac8 20. Bf4 Nxg4 21.
Rg1 h5 22. Qd2 Qb6 23. Rg2 Rc5 24. Be2 Qc6 25. Bf3 Kf7 26. c3 Kf8 27. Rd3 Qd7
28. Bxg4 hxg4 29. Rxg4 Qxf5 30. Rg3 b4 31. Ka1 bxc3 32. Rxc3 Rd5 33. Rgd3 Rxd3
34. Rxd3 d5 35. a3 Ke8 36. Re3 d4 37. Re1 d3 38. Qb4 Rd7 39. Bd6 d2 40. Qb8+
Kf7 41. Qb3+ Ke8 *
Position (FEN): 4k3/3rb1p1/p2B1p2/5q2/7P/PQ6/1P1p4/K3R3 w - - 4 42
White to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 1493
Best move: Qg8#