Published online for the first time, consider this KRBPP vs krp #4 chess construct composed autonomously by a computer program, Chesthetica, using the approach known as the DSNS from the sub-field of AI, computational creativity. Learn about how these puzzles are selected here. The largest (Lomonosov) tablebase today is for 7 pieces which contains over 500 trillion positions. With each additional piece, the number of possible positions increases exponentially. It is therefore impossible that this problem with 8 pieces could have been taken from such a database.
White to Play and Mate in 4
Chesthetica v11.47 (Selangor, Malaysia)
Generated on 30 Sep 2019 at 9:55:44 PM
Chesthetica, especially if running on multiple computers or operating system user accounts, is capable of generating far too many compositions than can be published in a timely fashion here. The newer ones will therefore only be published some time later. This is why the composition date above does not match today's date. Chesthetica composes everything autonomously (no human intervention) and even chooses the main line of the solution to show you. Try to solve this as quickly as you can. If you like it, please share with your friends. Over time, the tactics you see in these puzzles will help you improve your game.
Solution
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