Computer-Generated Chess Problem 02705

Now, here we have a 'KRRBNNP vs krnppp' mate in 3 chess puzzle or problem (whichever you wish to call it) composed by the program, Chesthetica, using the approach known as the DSNS from the sub-field of AI, computational creativity. Depending on the type and complexity of the problem desired, a single instance of Chesthetica running on a desktop computer can probably generate anywhere between one and ten problems per hour. The position below contains 13 pieces which means it simply could not have been derived even from an existing endgame tablebase which is presently limited to 7 pieces.

8/5p2/5nrp/3R1NN1/3K2k1/4pRB1/4P3/8 w - - 0 1
White to Play and Mate in 3
Chesthetica v11.20 (Selangor, Malaysia)
Generated on 18 Jul 2019 at 1:23:12 AMSolvability Estimate = Difficult
Composing a chess puzzle or problem requires creativity and it's not easy even for most humans. Chesthetica composes everything autonomously (no human intervention) and even chooses the main line of the solution to show you. Why not time yourself how long it took you to solve this? Solving chess puzzles like this can also help improve your game. Anyway, if standard chess isn't your thing, you might instead like SSCC.
Main Line of the Solution
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