Computer-Generated Chess Problem 01321

An original mate in 4 problem generated autonomously by the prototype computer program, Chesthetica. Scan the QR code with your smartphone to get the FEN of the position. Watch in Full HD if your connection supports it.

See if you can solve the puzzle within 30 seconds or hit pause and take your time. The solution is provided after that followed by some analysis. If this one is too easy or too difficult for you, try out the others in the playlists. Collectively, they are intended to cater to players of all levels. Feel free to turn on some music in the background too, if you like. Thanks for watching and don't forget to subscribe, comment, like and share!

Chesthetica v10.31;
Selangor, Malaysia;
White to Play and Mate in 4;
2016.12.21 3:13:10 AM.