Computer-Generated Chess Problem 03745

Published online for the first time, consider this KRBN vs kb mate in three chess puzzle or problem (whichever you wish to call it) composed by a computer program, Chesthetica, using the 'digital synaptic neural substrate' (DSNS) computational creativity approach. It doesn't use endgame tablebases, deep learning or any kind of traditional artificial intelligence (AI).

8/2k1K3/8/4N3/8/1R4B1/8/7b w - - 0 1
White to Play and Mate in 3
Chesthetica v12.56 (Selangor, Malaysia)
Generated on 30 Jun 2022 at 9:42:28 PMSolvability Estimate = Difficult
Some of the earliest chess problems by humans are over 10 centuries old but original ones by computer are very recent. White is over a rook's worth in material but the precise win in this position still needs to be found. Did you find this one interesting or have something else to say? Leave a comment below! Feel free to copy the position into a chess engine and potentially discover even more variations.
A Similar Chess Problem by Chesthetica: 01828
Solution