I guess I don't see the issue with him sitting there for two seconds.
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Are you saying he should be charging into the opposite corner to cover Robertson during this frame?
IMO, Nurse is in the right spot initially but then in that 2 second pause he fails to shadow Hintz coming to the center of the ice and as a result he is a step behind the play.
If he reacts quicker, he would be in a better spot to break up the potential 2 on 1 and still be able to take away time and space from Robertson which could have limited the move he pulls which baffles Skinner.....
The unofficial order of fault:
1) Skinner - no question. It is a dud from him.
2) Ceci/ Drai - both go looking for the puck and both miss the puck and leave Robertson wide open.
3) Nurse - as explained not a great reaction when the play breaks
As a result you have a classic Oiler comedy of errors game losing goal.