

Niemann has been part of the US Chess Federations All-America Chess Team since 2016. 2015 Īt the 2015 National Open of the Las Vegas International Chess Festival, then 11-year-old Niemann became the last person to play a rated game against GM Walter Browne, who died shortly after competing in the tournament. Earlier that year he lost against Annie Wang at the National Junior Chess Congress in Irvine, which made Wang at the time the youngest FIDE Master, breaking an 18-year-old record. Niemann competed at the 2014 World Youth Chess Championships held in Durban, South Africa, in the U12 category, winning 6 of his 11 games. On December 16, 2014, Niemann became the youngest-ever winner of the Mechanics’ Institute Chess Club Tuesday Night Marathon, the oldest chess club in the United States, earning him the title of USCF Master. Louis with coaches Greg Shahade and John Bartholomew.

In March 2014, Niemann's rating was just under 2000 at 10 years old, which allowed him to get an invitation to his first U.S. Just under four months later he participated in the 2013 SuperNationals V in Nashville with a rating of 1486, scoring 4/7 in his section. Niemann first competed in a rated US tournament in December 2012. Niemann rose from an Elo rating of around 2450 to 2650 in just over three years. Niemann qualified for the Dutch National Youth Chess Championship in 2012. You can help by converting this article, if appropriate. This article is in list format but may read better as prose. He previously lived in Weston, Connecticut, where he attended Weston High School. He graduated from Columbia Grammar & Preparatory School, which is known for its chess culture, in New York City after moving there in 2019. After moving back to California at 10 years old, he finished his elementary school education at Del Rey Elementary School in Orinda. While attending a Leonardoschool gifted school in Utrecht, the Netherlands, Niemann began playing chess at 8 years old. Before moving to the Netherlands at the age of 7, he attended Top of the World Elementary School in Laguna Beach, California. Niemann was born in San Francisco, California, and is of mixed Hawaiian and Danish ancestry. In response, Niemann filed a $100 million defamation lawsuit against Magnus Carlsen, and Hikaru Nakamura. Later, published an article called "The Hans Niemann Report" which stated that Niemann had likely cheated in more than 100 games on the website, of which some were prized events. Carlsen eventually accused Niemann of cheating in a statement on September 26. Niemann admitted to cheating in online chess twice, when he was 12 and 16 years old, but denied cheating over the board. Carlsen initially made no direct accusation, but did post a cryptic tweet, which together with ramped-up security measures in the fourth round implied an accusation of cheating.

Niemann is currently embroiled in an ongoing cheating controversy that began after he defeated then reigning world champion Magnus Carlsen in the third round of the 2022 Sinquefield Cup. As of February 2023, he is the fourth-highest-rated Junior in the world and 35th overall. He first entered the Top 100 Junior players list at position 88 on March 1, 2019. In July 2021, he won the World Open chess tournament in Philadelphia. He was awarded the Grandmaster title by FIDE on January 22, 2021. Hans Moke Niemann (born June 20, 2003) is an American chess grandmaster and Twitch streamer.
