Published online for the first time, consider this KQBBNN vs krbnp mate in 4 chess puzzle or problem (whichever you wish to call it) composed by Chesthetica using the 'Digital Synaptic Neural Substrate' computational creativity method. It does not use endgame tablebases, artificial neural networks, machine learning or any kind of typical AI. The chess board is a virtually limitless canvas for the expression of creative ideas (even by computer). Chesthetica is able to generate mates in 3, mates in 4, mates in 5, study-like constructs and also compose problems using specific combinations of pieces fed into it (e.g. to compose something using a rook, bishop, knight and three pawns vs. a queen and a rook). Read more about it on ChessBase. This position contains a total of 11 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 v10.75 : Selangor, Malaysia
2018.9.18 9:59:19 AM
White is over a rook's worth in material but the precise win in this position still needs to be found. Do share and try out some of the others too. Collectively, these puzzles are intended to cater to players of all levels.
Main Line of the Solution (Skip to 0:35)
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