Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 Bg4 8. f3
Bh5 9. Bd3 Bg6 10. Rd1 Nbd7 11. e4 Qa5 12. e5 Bxd3 13. Rxd3 Ng8 14. Bxe7 Nxe7
15. f4 g6 16. Nf3 Nf8 17. O-O Ne6 18. Ng5 Qa6 19. g4 h6 20. Nxf7 Kxf7 21. f5
gxf5 22. gxf5 Rhg8+ 23. Kh1 Nc7 24. f6 Ng6 25. Na4 Ne6 26. Nc5 Nxc5 27. Qxc5
Qxd3 28. Rg1 Qf3+ 29. Rg2 Nf4 *
Position (FEN): r5r1/pp3k2/2p2P1p/2QpP3/3P1n2/5q2/PP4RP/7K w - - 4 30
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 817
Best move: Qe7#