Alright. One more try. Is Fischer-Petrosian 4 queens game the only one which ends in a draw?
The odd game out

Alright. One more try. Is Fischer-Petrosian 4 queens game the only one which ends in a draw?
Yes! Congratulations, you have solved it!
Alright. One more try. Is Fischer-Petrosian 4 queens game the only one which ends in a draw?
Yes! Congratulations, you have solved it!
Hmm... Is game of the century / Byrne-Fischer, the only one where castling doesn't take place? I don't know all of them and am too tired at the moment to check. Just guessing, really.
Too obscure, you shouldn't be looking for the move details of the games...