Computer-Generated Chess Problem 03083

Here is a 'KRN vs kp' four-move chess construct composed autonomously by the prototype computer program, Chesthetica, using the relatively new computational creativity approach called the 'DSNS'. There is also no proven limit to the quantity or type of legal compositions that can be automatically generated.

4R3/8/8/Np6/8/3K4/8/2k5 w - - 0 1
White to Play and Mate in 4
Chesthetica v11.88 (Selangor, Malaysia)
Generated on 14 Oct 2020 at 11:48:38 AMSolvability Estimate = Moderate
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. If this one is too easy or too difficult for you, try out some of the others. Feel free to copy the position into a chess engine and discover even more variations of the solution. Anyway, if standard chess isn't your thing, you might instead like SSCC.
Similar Chess Problems by Chesthetica: 00057, 00334, 00533, 01251, 01255, 01978, 02119.
Solution