Very good rendition, but just one problem (Spoiler)
I understand why Othello kills himself at the end, but I am not sure how he did it, according to Olivier's method. Most times, I see Othello stab himself, but Olivier had him die by strangling himself with his own hands. Not sure that would work. It might leave some brain damage, but it wouldn't kill him. He would lose air, his grip on his throat would weaken, his hands would react to gravity and drop away, his breathing passage would be opened, and he would begin to breathe again. Unless he totally crushed his own throat so much that even if his hands dropped, the passage would be blocked and damage too much to allow oxygen through. I am not a doctor, but it seems the most unlikely of suicides, in terms of practicality. I know it's just a movie, but there still has to be some realm of believability and reality. If a guy is shot in the head and suffers considerable tissue damage in a scene, unless it's a horror movie and he's some vampire, he can not recover from that. That's a dead man, 99% of the time. If Oliver had opted for Othello to hang himself, then that is understandable.
What doesn't kill you, can make you stronger or leave you crippled.