Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. Nbd2 O-O 6. b3 b6 7. Bb2 Bb7 8. O-O
c5 9. c4 Nbd7 10. Qe2 cxd4 11. exd4 Re8 12. Rfe1 Rc8 13. Rad1 a5 14. a4 e6 15.
Nf1 Nf8 16. Ng3 Qc7 17. h4 h5 18. Ng5 Ng4 19. f3 Nf6 20. N3e4 Nxe4 21. fxe4 e5
22. d5 Qc5+ 23. Kh1 Nd7 24. Rf1 Rf8 25. Bc2 Rce8 26. Rb1 Qc7 27. Ba3 Nc5 28.
Qe3 Bc8 29. b4 axb4 30. Bxb4 Bh6 31. Bxc5 bxc5 32. Qc3 Bd7 33. Nf3 Ra8 34. Ra1
Bg4 35. Nh2 Bc8 36. a5 Qe7 37. g3 Ba6 38. Ba4 Rab8 39. Rab1 g5 40. hxg5 Qxg5
41. Bb5 Bc8 42. Bc6 Bh3 43. Rg1 Rxb1 44. Rxb1 h4 45. gxh4 *
Position (FEN): 5rk1/5p2/2Bp3b/P1pPp1q1/2P1P2P/2Q4b/7N/1R5K b - - 0 45
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 898
Best move: Qg2#