Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 e6 3. d3 Nc6 4. Nc3 a6 5. a4 Nf6 6. Nf3 d5 7. exd5 exd5 8. Bb3
d4 9. Ne2 Bd6 10. O-O Bg4 11. Ng3 Bxg3 12. fxg3 O-O 13. Bg5 h6 14. Bh4 g5 15.
h3 Bxf3 16. Qxf3 Kg7 17. Bxg5 hxg5 18. g4 Nd7 19. Qf5 f6 20. c3 Nde5 21. cxd4
Qxd4+ 22. Kh1 Nxd3 23. Bc2 Ncb4 24. Bb1 c4 25. Ra3 Qxb2 26. Bxd3 Nxd3 27. Rxd3
cxd3 28. Qxd3 Rad8 29. Qe4 Rd4 30. Qe7+ Rf7 31. Qe6 Rd2 32. Qe4 Qe5 33. Qf3
Rfd7 34. Kg1 R7d3 35. Qxb7+ Kg6 36. Kh1 Rg3 37. Rg1 Qe2 38. Qb1+ Rc2 39. Kh2
Rxg2+ 40. Rxg2 *
Position (FEN): 8/8/p4pk1/6p1/P5P1/7P/2r1q1RK/1Q6 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 824
Best move: Qxg2#