One of the more distinctive dimensions of Achnick's grappling background is his relationship with judo. Despite achieving meaningful competitive results in the discipline — including winning the East Coast Judo Championship in 2002 and placing third at the Maryland Open National Qualifier that same year — Achnick was never formally ranked in judo. That unusual distinction reflects the unorthodox, results-driven path he carved through the grappling world.
His expertise in standup grappling was shaped significantly through his work alongside Lloyd Irvin and judo Olympian Rhadi Ferguson, who collaborated closely with Team Lloyd Irvin. Within that high-level training environment, Achnick developed a reputation as an authority on grip fighting and takedown strategy — skills that became a hallmark of his coaching identity.
Achnick also demonstrated his versatility on the BJJ competition circuit at the purple belt level, capturing both the Capital Classic and the Yamasaki Cup in 2005. Those results underscored his ability to perform across multiple rulesets and competitive formats, reinforcing his standing as a well-rounded grappler and tactician.