The Grandmaster<br>It had all come down to this for Demetri. There were only a few moves left. He put his queen into place and waited. His opponent fell for the trap. Checkmate, Demetri had won!

Choose your answer: based on the paragraph above can we conclude that "His opponent was a rookie player."?

Available choices:
+ Yes;
+ It's impossible to say;
+ No;
I think the answer is
It's impossible to say