I was getting smacked by the new Duolingo bot, but then found this funny looking mate in 4. Bless puzzles and mating patterns.

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https://i.redd.it/70rut5tg8uxb1.gif

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 Bb4 7. Bd2 dxc4 8. Bxc4 b5 9. Bb3 a5 10. O-O O-O 11. Bc2 Bd6 12. Re1 b4 13. Ne2 e5 14. Ng3 Bb7 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. f4 Bd6 18. e4 Bc5+ 19. Kh1 Bf2 20. Rf1 Bd4 21. Rb1 Ba6 22. Re1 Bf2 23. e5 Bxe1 24. exf6 Bxg3 25. hxg3 g6 26. Qg4 Qxd2 27. Qh4 Qxc2 28. Qh6 Qxb1+ 29. Kh2 Qh1+ 30. Kxh1 Kh8 31. Qg7#