Two big hints on this one. First, it’s all knight moves except one. The one exception is on move 4. It’s worth a try in your head to try and control these knights. It’s more like a border collie rounding up a stray sheep.
From Horwitz and Kling. 1.Ng7+ Kf8 2.Ne6+ Ke8 3.Nc7+ Kf8 4.Rg7 Kxg7 5.Ne6+ Kh6 6.Nf7+ Kh5 7.Nf4 mate or 7.Ng7 mate.