Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Nf6/3. f3/3...d5/4. exd5/4...Qxd5

4...Qxd5??
This move blunders the queen for no reason and is mostly played in fun games to look funny. After 5. Bxd5, Stockfish likes: 5...Nxd5 6. Nc3 Be6 7. Nh3 Nc6 8. O-O h5 9. Ng5 O-O-O 10. Nxe6 fxe6 11. d3 h4 12. Nxd5 Rxd5 13. Be3 h3 14. gxh3 Rxh3 15. c3 Bd6 16. Rf2 Kb8 17. Qe2 Ne7 18. b4 e4 19. dxe4 Rdh5 20. f4 Rh6 21. e5 Bxb4 22. cxb4 Nf5 23. Rd1 Rh8 24. Bc5 Re8 25. Qc4 Rhh8 26. Rfd2 Nh4 27. Rd7 Rc8 28. Qe4 Rhg8 29. b5 g5 30. fxg5 Rh8 31. Bf2 Ng6 32. Qxg6 with a forced mate in 9 for white!

'''1. e4 e5 2. Bc4 Nf6 3. f3!? d5! 4. exd5 Qxd5??'''