I recently stumbled across this game and the following story.
White is Archil Ebralidze
Petrosian's first coach. and the Black
player is Viacheslav Ragozin
who went on to coach Botvinnik.
Here Black played.
We now let GM Mikhlchishin take over.
"Upon seeing the move on the demonstration board, the people started
laughing and thought that the young demonstrator made a mistake.
Immediatly, jokes about his competence started raining. He blushed and
embarassed went to "check again". But the rook was really standing on c7!
The boy returned to his post and responded in kind to the crowd...
Silence fell upon the hall, as the people were left in shock.
There was no time trouble and Ebralidze sank in deep thought. Ragozin lit up his
favourite cigar and took a walk around the playing hall to see how others were doing.
Ebralidze was of course thinking about trading rooks - both players saw the position
after 41.Rxc7 Bd6+ and the bishop versus knight ending would be winning for black.
The fact that the bishop was pinned hadn't even occurred to either player.
After having watched Ebralidze thinking for about 15 minutes, the
crowd went literally crazy. The most impatient began shouting out:
"Archil, take the Rook!".
Ebralidze didn't react. Louder cheers followed:
"Take it, Archil, take it!"
Ebralidze heard them, of course, and after many more shouts he got mad too:
"I can see that, you patzers!"
......and resumed his thinking. After another five minutes, he finally played
After that double tragedy this is how the game went.
Ebralidze - Ragozin, USSR Championship (1937)