Computer-Generated Chess Problem 03182

Now, this is a 'KRRBBP vs krbpp' mate in 4 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, neural networks or any kind of machine learning found in traditional AI. The largest endgame tablebase in existence today is for 7 pieces (Lomonosov) which contains over 500 trillion positions, most of which have not and never will be seen by human eyes. This problem with 11 pieces goes even beyond that and was therefore composed without any such help whatsoever.

3R4/4p3/k4B2/2KP3R/2p5/3br3/8/3B4 w - - 0 1
White to Play and Mate in 4
Chesthetica v12.19 (Selangor, Malaysia)
Generated on 21 Jan 2021 at 5:42:31 PMSolvability Estimate = Difficult
Get a glimpse into the 'mind' of a computer composer. 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 discover even more variations of the solution.
Solution