In this position Black has just played 1…Re8.   This appears to be a blunder as White can play 2.Bxf7 forking the Queen and the Rook.  Should White take the pawn on f7 or does he perhaps have a better move?

White to Play

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Answer:

Black’s move was not a blunder as it contained a threat that he hoped that White would miss.  2.Bxf7?? losses immediately to 2…Qxf3+ 3.gxf3 Bh3+ 4.Kg1 Re1+ 5.Kf2 Bh4#

If you think that your opponent has blundered it pays to double check first, he may be trying to trick you!