Mate in three vs Black to move
Start Analysis Engine to see Solution #4407 Chess: 5334 Problems, Combination | Cleanchess.com | 1 Jul 2017
1014386
[Event "Start Analysis Engine to see Solution #4407 Chess: 5334 Problems, Combination"]
[Site "Cleanchess.com"]
[Date "2017.07.01"]
[Round "0"]
[White "Mate in three"]
[Black "Black to move"]
[FEN "2kr4/B1n2p1b/1Q2p3/1P6/2P5/3q4/5PrP/3RR2K b - - 0 1"]
1... Rg1+ 2. Rxg1 Qf3+ 3. Rg2 Rxd1# *
http://chessmicrobase.com/microbases/11081/games/1014386?token=3asv7acv