Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Bf4
a5 9. a4 Na6 10. Be2 Nb4 11. O-O Be6 12. Qc5 Nd7 13. Qg5 Nb6 14. Qh4 h5 15.
Rfd1 Bc4 16. Bxc4 Nxc4 17. b3 Nd6 18. Rac1 Rc8 19. e5 Nf5 20. Qh3 Nd5 21. Bg5
Nxc3 22. Rxc3 Qd5 23. g4 hxg4 24. Qxg4 Rcd8 25. Rdd3 c5 26. Rxc5 Qxc5 27. dxc5
Rxd3 28. Kg2 Rxb3 29. e6 Rb4 30. Qh3 fxe6 31. Bxe7 Rf7 32. Bd6 Rb2 33. Ng5 Bd4
34. Nxf7 Kxf7 35. Qh7+ Ng7 36. Bg3 Bxc5 37. Qh8 Bd4 38. Qc8 e5 39. Qc7+ Kf6 40.
Qd6+ Ne6 41. Bh4+ Kf5 42. Bg3 Nf4+ 43. Kf3 *
Position (FEN): 8/1p6/3Q2p1/p3pk2/P2b1n2/5KB1/1r3P1P/8 b - - 9 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1047
Best move: e4#