Nah he gets outclassed by new gen due to the new fast paced play. Even in GX, Jaden was about end Yugi level from thier last duel of the seriesJoey Wheeler wouldn't have won back in Battle City but End of Series Joey could beat anyone ever bar Yugi and Kaiba. That includes all the newer generation too.
What is this? An anime? Sports?I don't think so, the only reason Marik would've lost is because he relied so much on his opponent being drained of strength. No sane quarter-finalist would pull the same tactic Marik did when he knows he'd be left defenseless after that.
That, and Marik gave Atem a much harder fight, proving he's better than Joey.