What we have here is a 'KQRB vs kqbn' mate in 4 chess construct composed autonomously by the program, Chesthetica, using the relatively new computational creativity approach called the 'DSNS'. Chesthetica is able to generate three-movers, four-moves, five-movers and study-like constructs and also compose problems using specific pieces types fed into it (e.g. composing something original using only a rook vs. five pawns). Read more about it on ChessBase.
White to Play and Mate in 4
Chesthetica v11.91 (Selangor, Malaysia)
Generated on 22 Sep 2020 at 9:19:19 PM
If you notice an earlier version of Chesthetica listed with a newer problem, that simply means an earlier version may have been running on a different computer or OS user account. White has a slight material advantage over Black. Leave a comment below, if you like. Some of these problems may be trivial for you, especially if you're a club or master player but bear in mind that chess lovers can be found at all levels of play. So do check out some of the other problems. You can probably find something more to your taste.
A Similar Chess Problem by Chesthetica: 02498
Solution
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