Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Nc6 7. Bf4 g6 8. h3
Bg7 9. Nf3 O-O 10. Be2 d5 11. c5 Nc4 12. b3 N4a5 13. O-O Bf5 14. Rc1 b6 15.
cxb6 axb6 16. Bxc7 Qxc7 17. Nxd5 Qb7 18. b4 Rad8 19. Ne3 Nxd4 20. Nxd4 Bxd4 21.
Qa4 Bxe3 22. fxe3 Rd2 23. Bf3 Qe7 24. bxa5 Qxe3+ 25. Kh1 bxa5 26. Qxa5 Rf2 27.
Rfe1 Qf4 28. Qe5 Rxf3 29. gxf3 Qxf3+ 30. Kg1 Bxh3 31. Rc3 *
Position (FEN): 5rk1/5p1p/6p1/4Q3/8/2R2q1b/P7/4R1K1 b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 864
Best move: Qg2#