Computer-Generated Chess Problem 03450

Now, here we have a 'KQRR vs kqr' mate in 3 chess puzzle or problem (whichever you wish to call it) composed by the program, Chesthetica, using the approach known as the DSNS from the sub-field of AI, computational creativity. 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.

2Q5/8/4q3/8/2R5/5k2/3r4/4RK2 w - - 0 1
White to Play and Mate in 3
Chesthetica v12.39 (Selangor, Malaysia)
Generated on 10 Sep 2021 at 10:16:59 PMSolvability Estimate = Difficult
Composing a chess puzzle or problem requires creativity and it's not easy even for most humans. White is ahead by a rook. Why not time yourself how long it took you to solve this? Collectively, these puzzles are intended to cater to players of all levels.
Similar Chess Problems by Chesthetica: 02773, 03032.
Solution