Blocking your whole kingside development is usually not a good idea.
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Qe5+ is the patzer variation : there's an article in Silman's website about it at
http://www.jeremysilman.com/chess_bits_pieces/053003_patzer_var.html
and it's less bad than it seems
Qe6+ is called the Mieses-Kotrc variation and is generally regarded as a terrible line
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