In a three minute blitz game, White has played 27.Kf2 to step out of a pin.
Black's plan of attacking the knight with g5-g4 no longer makes sense. But changing plans with seconds remaining on the clock can be difficult.
27... g4? 28.Ng5 Qh1?
Black overlooks the threat.
29.Nf7+ Kg8 30.Nh6+!
Black resigned in view of 30...Kh8 31.Qg8+ Rxg8 32.Nf7#.
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