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Mark Heimann - Wikipedia

  • ️Mon Jan 25 1993

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Mark Heimann

CountryUnited States
BornJanuary 25, 1993 (age 32)
Pittsburgh, Pennsylvania
TitleInternational Master (2023)
FIDE rating2512 (March 2025)
Peak rating2512 (February 2025)

Mark A. Heimann is an American chess player and machine learning researcher.

Heimann began playing chess at the age of 5 after his father bought him and his twin brother Alexander a chess set. He then won several national grade-level championships as well as the Pennsylvania and Ohio state championships in middle school and high school.[1]

In October 2007, he was ranked as the national #2 under-14 player, only behind future grandmaster Marc Tyler Arnold.[2] In the February 2008 national rankings, he moved up to being the top-ranked under-14 player.[3]

In December 2012, he played for Washington University St. Louis' "A" team in the Pan-American Intercollegiate Chess Championships, where he was the second-most successful player, recording 4 wins, 1 draw, and 1 loss. The university's team also won the Division II championship title.[4]

In three tournaments between September and December 2022, Heimann earned three international master title norms, earning the international master title at the age of 29.[5]

In November 2024, he scored a GM norm at the U.S. Masters Chess Championship. He finished the event in joint-6th place.[6] The following week, at the Saint Louis Masters tournament, he earned his final grandmaster norm and crossed 2500 in live rating, achieving the Grandmaster title.[7] It will be formally awarded to him in 2025.

He obtained a bachelor's degree from Washington University at St. Louis and got his PhD from the University of Michigan. He is a machine learning researcher at Lawrence Livermore National Laboratory.[8]

Outside of chess and research, he also plays several instruments[1] and is a competitive powerlifter.[9]