This is an original KRBNNP vs kbppp mate in 4 chess problem generated autonomously by Chesthetica using the DSNS computational creativity approach which doesn't use any kind of traditional AI.
White is over a rook's worth in material but the precise win in this position still needs to be found. The default solving time of 30 seconds may be too short for you if the problem is difficult so feel free to hit the pause button and solve at your own pace. Do share and try out some of the others too.
Facebook | Twitter | Kindle E-book | Website