Originally posted by yashinau contraire!
Probably it is not as hard as it looks.
What about this:
Qg8 xc5 (no mate because d6 is free now)
Qe8+ does nothing, the king can run away and black still has the bishop
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1.Qe8+ Kd6 2.Qe6+ Kc7 3.Qxf7+ Kc8 4.Qe6+ Qxe6 5.fxe6... this doesn't seem worth a try to play against a man in time trouble?