Mate in three vs White to move
Start Analysis Engine to see Solution #3911 Chess: 5334 Problems, Combination | Cleanchess.com | 1 Jul 2017
1013890
[Event "Start Analysis Engine to see Solution #3911 Chess: 5334 Problems, Combination"]
[Site "Cleanchess.com"]
[Date "2017.07.01"]
[Round "0"]
[White "Mate in three"]
[Black "White to move"]
[FEN "k5r1/1pK5/nP5p/1P5P/R7/5p2/6r1/8 w - - 0 1"]
1. Rxa6+ bxa6 2. b7+ Ka7 3. b6# {White mates} *
http://chessmicrobase.com/microbases/11081/games/1013890?token=sk2wbn6i