Computer-Generated Chess Problem 02738

Contemplate this 'KQRN vs knn' mate in 3 chess puzzle created by Chesthetica using the 'Digital Synaptic Neural Substrate' computational creativity method. It does not use endgame tablebases, artificial neural networks, machine learning or any kind of typical AI. Depending on the type and complexity of the problem desired, a single instance of Chesthetica running on a desktop computer can probably generate anywhere between one and ten problems per hour.

1Q1N1n2/3k4/n7/8/8/1R6/8/5K2 w - - 0 1
White to Play and Mate in 3
Chesthetica v11.32 (Selangor, Malaysia)
Generated on 3 Sep 2019 at 7:33:28 AMSolvability Estimate = Difficult
White has a decisive material advantage in this position but the winning sequence may not be immediately clear. Try to solve this as quickly as you can. If you like it, please share with your friends. As a whole, these problems are intended to cater to players of all skill levels.
A Similar Chess Problem by Chesthetica: 00484
Solution