An original 'KQRB vs kqrrp' chess problem generated autonomously by a computer program, Chesthetica, using the DSNS computational creativity approach which doesn't use any kind of traditional AI. Depending on the type and complexity of the problem desired, a single instance of Chesthetica running on a desktop computer can probably generate anywhere between one and ten problems per hour. 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 v12.39 (Selangor, Malaysia)
Generated on 6 Sep 2021 at 6:00:59 PM
Some of the earliest chess problems by humans are over 10 centuries old but original ones by computer are very recent. White has a bishop for Black's pawn and rook. Try to solve this puzzle. Do try some of the others in the series as well before you go. Solving chess puzzles like this can be good for your health as it keeps your brain active. It may even delay or prevent dementia.
Similar Chess Problems by Chesthetica: 00151, 02723, 03031.
Solution
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