The blunders are all there on the board, waiting to be made.
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[Event "rated untimed match"]
[Site "?"]
[Date "1898.??.??"]
[Round "?"]
[White "Chigorin"]
[Black "Blackburn"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "k7/1b6/p3p3/PpQpPp2/2nQ4/2qN1B1P/1Rp5/K7 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ There are already 3 queens on the board, and new one ready to promote on c1.
White threatens mate on the move, but it is black's turn.|How should black
proceed? } 1... Qxa5+ 2. Ra2 Qe1+ 3. Nxe1 c1=Q# 0-1