Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4
dxc4 9. Bxc4 Nbd7 10. b3 Ne5 11. Be2 Qa5 12. Bb2 Rd8 13. Qc2 Bg4 14. Bxg4 Nexg4
15. Rfd1 Rac8 16. Rac1 Bh6 17. Qe2 e5 18. Nf3 Bf8 19. h3 Rxd1+ 20. Nxd1 Rxc1
21. Bxc1 e4 22. hxg4 Nxg4 23. Nd4 Qh5 24. Nf3 exf3 25. Qxf3 Qh2+ 26. Kf1 Qh5
27. Qg3 Qb5+ 28. Kg1 Qe2 29. Nc3 *
Position (FEN): 5bk1/pp3p1p/6p1/8/6n1/1PN1P1Q1/P3qPP1/2B3K1 b - - 8 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1022
Best move: Qe1#