Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 d5 5. Nc3 O-O 6. Be2 c5 7. cxd5 Nxd5 8. O-O
Nxc3 9. bxc3 Nc6 10. Rb1 Qa5 11. Qb3 Be6 12. d5 Bf5 13. dxc6 Bxb1 14. Qxb1 bxc6
15. c4 Rab8 16. Qe4 Qxa2 17. Re1 Bb2 18. Qc2 Rfd8 19. Ne5 Rd6 20. Nd3 Rxd3 21.
Bxd3 Qa3 22. Qb1 Qc3 23. Rd1 a5 24. Bd2 Qa3 25. Qc2 a4 26. Rb1 Rb3 27. Be4 Bf6
28. Bc1 Qb4 29. Rxb3 *
Position (FEN): 6k1/4pp1p/2p2bp1/2p5/pqP1B3/1R2P3/2Q2PPP/2B3K1 b - - 0 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 930
Best move: Qe1#