What we have here is a 'KRBNNP vs kbp' mate in 4 chess puzzle created by 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 (such as using only a queen vs. rook and knight). Read more about it on ChessBase.
White to Play and Mate in 4
Chesthetica v11.88 (Selangor, Malaysia)
Generated on 23 Sep 2020 at 6:17:44 AM
The chess problems are published chronologically based on the composition date and time. However, later compositions may have an earlier version of Chesthetica listed because more than one computer (not all running the same version of the program) is used. White has a decisive material advantage in this position but the winning sequence may not be immediately clear. 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.
Solution
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