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Two training partners meeting on the mat.Drawn in cream, forest green, and muted terracotta. People and objects are symbolic illustrations.
Portrait unavailable. General BJJ illustration; not a likeness of this person.Illustration: The BJJ Story

Osvaldo Augusto Honório Moizinho

“Queixinho”

Source: aresbjj.com

Osvaldo "Queixinho" Moizinho is a Brazilian black belt, Ares BJJ co-founder and featherweight champion at the No-Gi Worlds and World Master.

Biography

Osvaldo Augusto Honório Moizinho, known as "Queixinho", is a Brazilian competitor who holds a jiu-jitsu black belt, co-founded Ares BJJ and won featherweight titles at World Master and the No-Gi Worlds. Rio de Janeiro was his birthplace and the city where he grew up. His judo training started when he was eight, and he reached brown belt by sixteen. At seventeen, he took up jiu-jitsu through the Carlson Gracie Team. Looking back in an interview about his plans for 2019, Moizinho recalled that his childhood friend Marcus Antelante took him to a trial class in Tijuca in 2003. He entered a competition within his first month of training. Having recently left a job, he put the money he had left toward membership fees and used his available time to train. Moizinho received his black belt through Soul Fighters. The Ares biography dates the promotion to 2010, as does Graciemag's 2013 profile, which names Augusto "Tanquinho" Mendes and Rafael "Formiga" Barbosa as the instructors who awarded it. A Graciemag article published in 2017 gives 2011 instead. In 2011, he moved to San Jose, California, to train at the Institute of Martial Arts with Caio Terra's association. In Moizinho's recollection, he had been traveling to compete in the United States since 2009 when Terra and Samir Chantre invited him to a training camp for the Pan championship. Repeated trips between Brazil and the United States had become difficult to afford. He credits the two with helping him financially and with English as he settled in the country. At the Gracie Open in Pleasant Hill on August 4, 2012, Moizinho submitted Nate Diaz with a foot lock in a superfight. In his explanation afterward, he credited Terra and Chantre with developing that part of his game and stressed the need to protect his own foot before attacking his opponent's. Another match brought a different problem in 2014: Paulo Miyao's berimbolo. Their featherweight final at the IBJJF Pro League in Long Beach finished level at 8–8, with all the judges choosing Moizinho as the winner. Discussing that final, Moizinho described working with Terra and Yuri Simões in the warm-up area on how to respond to Miyao's attacks. A detail Terra showed him, gripping the trousers, became part of his defense during the match. He distinguished these immediate preparations from his regular training, which focused on improving his own game. Anticipating a meeting with Miyao, he had also devoted more training time to top position. Moizinho's own account, in the interview looking ahead to 2019, credits him with four No-Gi world titles. The IBJJF's annual records, however, list him second at adult black-belt featherweight in 2013, 2014 and 2015, then first in 2016 and 2017. In the gi World Championships, he earned featherweight bronze at adult black belt in 2016, 2018 and 2019. Ares BJJ began in 2015 with Moizinho, Chantre, Milton Bastos and Alan Moraes as its founders. The association's launch was announced at Chantre's academy during a free seminar taught by Moizinho. In his interview before the 2019 season, Moizinho described a routine of classes in the mornings and training in the evenings, with his academy and Ares providing his livelihood. He wanted his achievements to help younger people facing circumstances like those he had known. He also named Marcelo Garcia, whom he had admired since blue belt, and Lucas Lepri, whose all-around game he valued, among the competitors he looked to. Moizinho won the World Master featherweight division at Master 1 black belt in 2016. Before the following year's event, he explained that the shorter matches in masters competition gave him less time to recover from falling behind. Opponents also tended to remain standing longer, offering more chances to use takedowns. A press-office report published by Graciemag after the 2017 tournament described a final closed out with a teammate and counted it as his second title. The official results record Moizinho in second place. He subsequently took Master 1 silver at lightweight in 2018 and at featherweight in 2019. His teaching included promoting Elisabeth Clay to black belt with Chantre late in 2020. Clay won her first No-Gi Worlds title at black belt the following year. Moizinho returned to the top of the World Master podium in 2022, winning Master 2 featherweight through five submissions without conceding a point. His finishes comprised two armbars, a toe hold, an omoplata and a kneebar in the final. He continued entering adult competition as well. At the 2022 Salt Lake City Open, he won lightweight in both gi and no-gi, explaining that he was seeking ranking points for the following year. At the San Diego Spring Open in 2023, he entered featherweight because two of his students were competing at lightweight. He finished his bouts with an armbar from closed guard and a kneebar while preparing for the World Championships. In 2024, he won another World Master title at Master 2 featherweight. As of September 2026, Ares BJJ Goodyear lists Moizinho as its head professor and an owner. His public Instagram biography identifies him as a fourth-degree black belt and the academy's co-owner and head coach. The Ares association biography gives his rank as third degree. His published instruction extends beyond the academy. The Berimbolo Killer covers counters and passing responses to the berimbolo. Lapel Guard Killer combines lapel-based sweeps and submissions with ways to pass those guards. In 50 50 Killer, the material is organized around entries, sweeps, passes and submissions from the 50/50 position.

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