Chess puzzle (Checkmate)
Moves: 1. d3 e5 2. e3 f5 3. h3 Nf6 4. Ne2 g5 5. g3 h5 6. Bg2 c6 7. a3 d5 8. b3 Be6 9.
Bb2 Bg7 10. h4 gxh4 11. Rxh4 Nbd7 12. Nd2 Ng4 13. b4 Bf6 14. Rh1 h4 15. gxh4
Bxh4 16. Ng3 Qf6 17. Qe2 O-O-O 18. O-O-O Bxg3 19. fxg3 Rhg8 20. Bf3 Qg5 21. Kb1
Nxe3 22. Nb3 d4 23. Nc5 Nxc5 24. bxc5 Qe7 25. g4 f4 26. Qd2 Qxc5 27. Rh6 Nxd1
28. Qxd1 Bf7 29. Rf6 Qe7 30. Rf5 Rg6 31. Be4 Bg8 32. Rh5 Qf7 33. Rf5 Qa2+ 34.
Kc1 Re6 35. g5 c5 36. Qd2 c4 37. Qb4 c3 *
Position (FEN): 2kr2b1/pp6/4r3/4pRP1/1Q1pBp2/P1pP4/qBP5/2K5 w - - 0 38
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1402
Best move: Qxb7#