Black to play and win. (hard)
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 → 
1...Qg3! { Threatening Qxh2+, hxg2+, Rh1#. } 2.hxg3 hxg2+ 3.Kg1 ( 3.Kxg2 Rxg3# ) 3...Rh1+ 4.Kxg2 Rgh8! 5.gxf4 exf4 { R1h2# is unavoidable. } 0-1
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "0-1"]
[FEN "6rr/3bkp2/3p4/p1pPp3/P1P1Pp1q/2P2P1p/1R3RPP/3Q1B1K b - - 0 1"]
[SetUp "1"]

1...Qg3 $1 {Threatening Qxh2+, hxg2+, Rh1#.} 2.hxg3 hxg2+ 3.Kg1 (3.Kxg2 Rxg3#)
3...Rh1+ 4.Kxg2 Rgh8 $1 5.gxf4 exf4 {R1h2# is unavoidable.} 0-1