[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Black to play"]
[Black "?"]
[Result "*"]
[Annotator "peter"]
[SetUp "1"]
[FEN "6k1/5ppp/4p3/p1b1n3/PpP1Pq2/5bBP/4B2K/R3RQ2 b - - 0 1"]
[PlyCount "7"]
[EventDate "1914.??.??"]
[SourceVersionDate "2020.04.01"]
{[#]} 1... Bg1+ (1... Ng4+ {this move order is equally good} 2. hxg4 Bg1+ 3.
Kh3 (3. Qxg1 {transposes}) 3... Qxg4#) 2. Qxg1 (2. Kxg1 Qxg3+ 3. Qg2 Qxg2#)
2... Ng4+ 3. hxg4 Qh6+ 4. Bh4 Qxh4# *