Chess puzzle (Checkmate)
Moves: 1. Nf3 g6 2. b3 Bg7 3. d4 Nf6 4. Bb2 d6 5. c4 O-O 6. e3 Nbd7 7. Bd3 Re8 8. O-O
e5 9. dxe5 dxe5 10. Bc2 Qe7 11. Nbd2 b6 12. Qe2 Bb7 13. Rfd1 e4 14. Nd4 Nh5 15.
Rab1 Qh4 16. Nf1 Nc5 17. Nb5 Rec8 18. Bxg7 Nxg7 19. Ng3 a6 20. Nc3 Rd8 21. b4
Nd3 22. Bxd3 exd3 23. Rxd3 Nf5 24. Nxf5 gxf5 25. Rbd1 Rxd3 26. Qxd3 Qg4 27. Nd5
Kf8 28. Nf4 Be4 29. Qd4 Kg8 30. Kf1 c5 31. bxc5 bxc5 32. Qd6 Bc2 33. Rc1 Ba4
34. Qxc5 Rd8 35. Qa5 Rd1+ 36. Rxd1 Qxd1+ 37. Qe1 Qc2 38. Qa1 Qxc4+ 39. Kg1 Bc6
40. Nh5 Kf8 41. h3 Qd5 42. Qb1 *
Position (FEN): 5k2/5p1p/p1b5/3q1p1N/8/4P2P/P4PP1/1Q4K1 b - - 2 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 683
Best move: Qxg2#