Computer-Generated Chess Problem 03491

A 'KRRBN vs kqrrp' mate in 4 chess construct composed autonomously 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 AI. You can learn more about the DSNS here.

4R3/8/3K4/rk1N4/p2q4/r7/2R3B1/8 w - - 0 1
White to Play and Mate in 4
Chesthetica v12.41 (Selangor, Malaysia)
Generated on 19 Oct 2021 at 10:08:00 AMSolvability Estimate = Moderate
Even with the same version number, each copy of Chesthetica 'evolves' and may perform somewhat differently over time. White actually has less material than Black. The white army is down by about four (Shannon) pawn units in value. Leave a comment below if you like. Feel free to copy the position into a chess engine and discover even more variations of the solution.
Solution