A 'KQRNP vs krpp' #4 chess puzzle or problem (whichever you wish to call it) composed by the program, Chesthetica, using the computational creativity approach which doesn't use any kind of traditional AI or even deep learning. You can learn more about the DSNS here. The largest endgame tablebase in existence today is for 7 pieces (Lomonosov) which contains over 500 trillion positions, most of which have not been seen by human eyes. This problem with 9 pieces goes even beyond that and was therefore composed without any such help.
White to Play and Mate in 4
Chesthetica v11.62 (Selangor, Malaysia)
Generated on 18 Feb 2020 at 8:14:42 PM
Chesthetica composes only unique or new constructs. If you have seen it before, cite the source and comment below because it is purely coincidental. Try to solve this as quickly as you can. If you like it, please share with others. Solving chess puzzles like this is probably good for your health as it keeps your brain active. Nobody wants something like early-onset Alzheimer's.
A Similar Chess Problem by Chesthetica: 01320
Solution
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