This is an original 'KQRRP vs krnn' four-move chess problem generated autonomously by the program, Chesthetica, using the 'DSNS' computational creativity approach which does not use any kind of machine or deep learning. You can learn more about the DSNS here. This position contains a total of 9 pieces. The largest endgame tablebase in existence today is for 7 pieces (containing over 500 trillion positions anyway) which means the problem could not have been taken from it regardless.
White to Play and Mate in 4
Chesthetica v10.67 : Selangor, Malaysia
2018.6.10 7:14:28 AM
Some of the earliest chess problems by humans are over 10 centuries old but original ones by computer are very recent. Okay, let me think for a minute if there's anything else to say here. If this one is too easy or too difficult for you, try out some of the others. Note that not all the chess problems are like this. They cover quite the spectrum of solving ability and there are thousands published already.
Solution (Skip to 0:35)
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