Chess puzzle (Checkmate)
Moves: 1. c4 c5 2. Nc3 e5 3. g3 d6 4. Bg2 Nc6 5. Qc2 Be6 6. b3 Qd7 7. Bb2 Be7 8. Nf3
Bh3 9. Bxh3 Qxh3 10. O-O-O a5 11. Nd5 Bd8 12. a4 Nge7 13. Qe4 Nxd5 14. Qxd5 Be7
15. g4 Qh6 16. g5 Qg6 17. Bc3 e4 18. Ne1 Nb4 19. Bxb4 cxb4 20. Qxb7 O-O 21. Nc2
Bxg5 22. Rdg1 Qf6 23. h4 Bh6 24. Qxe4 Rae8 25. Qg4 Qc3 26. Rg3 Qxd2+ 27. Kb1
Rxe2 28. Qf5 Rxf2 29. Qe4 Re2 30. Qf5 Rfe8 31. Rf1 Re1+ 32. Rxe1 Rxe1+ 33. Nxe1
Qxe1+ 34. Kb2 Qxg3 *
Position (FEN): 6k1/5ppp/3p3b/p4Q2/PpP4P/1P4q1/1K6/8 w - - 0 35
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1028
Best move: Qc8#