Chess puzzle (Checkmate)
Moves: 1. b3 c5 2. Bb2 e6 3. Nc3 d5 4. e3 Nc6 5. Qe2 Nf6 6. O-O-O Be7 7. Kb1 a6 8. g4
h6 9. Bg2 b5 10. h4 Nd7 11. d3 Na5 12. Nf3 c4 13. dxc4 bxc4 14. h5 Rb8 15. g5
Qb6 16. gxh6 Rxh6 17. Nd4 Bf6 18. f4 Bxd4 19. Rxd4 cxb3 20. cxb3 Nc6 21. Ra4
Nc5 22. Ra3 a5 23. Na4 Qb4 24. Nxc5 Qxc5 25. Bxg7 Qxa3 26. Bxh6 a4 27. Qb2 Qb4
28. Rc1 axb3 29. axb3 Ba6 30. Rxc6 Bd3+ 31. Kc1 *
Position (FEN): 1r2k3/5p2/2R1p2B/3p3P/1q3P2/1P1bP3/1Q4B1/2K5 b - - 2 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 936
Best move: Qe1#