Computer-Generated Chess Problem 02796

A 'KRBBN vs kr' mate in 3 chess construct composed autonomously by the prototype computer program, Chesthetica, using the Digital Synaptic Neural Substrate AI computational creativity method. Chesthetica can compose problems that might otherwise take centuries or longer for human composers to think of, so you may enjoy them right now. There is also no proven limit to the quantity or type of legal compositions that can be automatically generated.

4N1K1/4k2B/8/B7/1r6/8/6R1/8 w - - 0 1
White to Play and Mate in 3
Chesthetica v11.55 (Selangor, Malaysia)
Generated on 16 Nov 2019 at 5:33:07 PMSolvability Estimate = Difficult
If you notice an earlier version of Chesthetica listed with a newer problem, that simply means an earlier version may have been running on a different computer or OS user account. Okay, let me think for a minute if there's anything else to say here. Do share and try out some of the others too. Collectively, these puzzles are intended to cater to players of all levels.
Solution