>>132924230He's noted to be pretty damn strong, about as strong as both the head of the Zouldick family, while he and the Zoldick were holding back apparently. Grampa says Chollo might have won if he was going all out, but if he's going to hold back then grampa wins.
Then we see him get kidnapped by Kurapika and company, as if to say that no matter how high your power level is, a good strategy can still take you down at times.