Consider this 'KRRBBNPPP vs krbpppp' #5 chess puzzle created by a computer using the approach known as the DSNS from the sub-field of AI, computational creativity. The program can compose problems that may otherwise take decades, centuries or even longer for human composers to think of, or to arise in a real game. There is also no proven limit to the quantity or type of legal compositions that can be automatically generated. The position below contains 16 pieces which means it simply could not have been derived even from an existing endgame tablebase which is presently limited to 7 pieces.
White to Play and Mate in 5
Chesthetica v11.66 (Selangor, Malaysia)
Generated on 11 Apr 2020 at 5:32:52 PM
White has a decisive material advantage in this position but the winning sequence may not be immediately clear. Do share and try out some of the others too. Solving chess puzzles like this can be good for your health as it keeps your brain active. It may even delay or prevent dementia.