Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 h6 7. O-O-O Bb7 8. f3
Nd7 9. Nh3 Nb6 10. Bd3 Nf6 11. Kb1 Nfd7 12. f4 c5 13. e5 c4 14. Be4 d5 15. e6
dxe4 16. exd7+ Qxd7 17. Nf2 Rc8 18. d5 b4 19. Ncxe4 c3 20. Qd3 cxb2 21. Bxb6
O-O 22. g4 e6 23. dxe6 Qxe6 24. f5 gxf5 25. gxf5 Qxf5 26. Bd4 Rfd8 27. Rhg1 f6
28. Qg3 Rd7 29. Bxf6 Bxe4 30. Nxe4 Qxe4 31. Rxd7 *
Position (FEN): 2r3k1/3R2b1/p4B1p/8/1p2q2P/6Q1/PpP5/1K4R1 b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 824
Best move: Qxc2#