Computer-Generated Chess Problem 03117

Take a look at this 'KBNN vs kpp' mate in 4 chess construct composed autonomously by Chesthetica using the DSNS computational creativity approach which doesn't use any kind of traditional AI. Chesthetica has the creative ability to compose positions that may otherwise take centuries to arise in an actual game, if ever. You can learn more about the DSNS here.

4N3/7p/4KNpk/8/8/6B1/8/8 w - - 0 1
White to Play and Mate in 4
Chesthetica v12.01 (Selangor, Malaysia)
Generated on 8 Dec 2020 at 11:27:52 PMSolvability Estimate = Moderate
White is over a rook's worth in material but the precise win in this position still needs to be found. Try to solve this puzzle. Do try some of the others in the series as well before you go. Collectively, these puzzles are intended to cater to players of all levels.
Similar Chess Problems by Chesthetica: 00529, 01694, 02486, 02900.
Solution