Black to play and win (hard)
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Show moves
1...Ba3+ 2.Kxb3 a1=N+! 3.Rxa1 ( 3.Kc3 Rxc4+ ) 3...Qxb6+! 4.Bxb6 Nd4+ 5.Kc3 ( 5.Bxd4 Rcb8+ 6.Kc3 Bb4+ 7.Kb3 Bd2+ 8.Bb6 Rxb6# ) 5...Rxc4+ 6.Kd2 ( 6.Kxc4 Rc8+ 7.Bc5 Rxc5# ) 6...Nxf3+ 7.Kd1 Nxh2 { This is an unplayed variation, W won in the actual game. } 0-1
Games PGN
Created almost 5 years ago. 
[Event "?"]
[Site "Ho Chi Minh City"]
[Date "2012.??.??"]
[Round "?"]
[White "Hua, N."]
[Black "Le Quang Liem"]
[Result "0-1"]
[FEN "r1r3k1/1q3pPp/1N2n1P1/4p3/1bP1b3/1p2BB2/pK5Q/3R3R b - - 0 1"]
[SetUp "1"]

1...Ba3+ 2.Kxb3 a1=N+ $1 3.Rxa1 ( 3.Kc3 Rxc4+ ) 3...Qxb6+ $1 4.Bxb6 Nd4+
5.Kc3 ( 5.Bxd4 Rcb8+ 6.Kc3 Bb4+ 7.Kb3 Bd2+ 8.Bb6 Rxb6# ) 5...Rxc4+ 6.Kd2 ( 
6.Kxc4 Rc8+ 7.Bc5 Rxc5# ) 6...Nxf3+ 7.Kd1 Nxh2 { This is an unplayed variation,
W won in the actual game. } 0-1