Athletes

What is Hikaru Nakamura’s IQ?
A joke test gave him 102. His real number is a chess rating.

Hikaru Nakamura at the Naroditsky Memorial Rapid and Blitz, 2026
Hikaru Nakamurab. 1987 · Chess

The number attached to Hikaru Nakamura online — 102 — comes from an unsupervised online quiz he took live on stream, half-distracted, for a laugh. His real, continuously published number is a chess rating, and he has said directly that the two shouldn’t be confused.

Our estimate140–155
MethodDomain performance
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Last reviewed August 2026
Our estimate

Hikaru Nakamura’s estimated IQ

IQ Metrics estimate140–155Domain performance (published Elo rating)
What the estimate rests on
  • Became a chess grandmaster at fifteen years and seventy-nine days in February 2003, breaking Bobby Fischer’s 1958 record as the youngest American to reach the title.
  • Reached a peak FIDE classical rating of 2816 in October 2015 — at the time, second in the world only to Magnus Carlsen — and was ranked world No. 2 as of the September 2026 FIDE list.
  • Became FIDE’s official world No. 1 in both rapid and blitz simultaneously in May 2014, the moment FIDE began publishing those ratings separately.
  • Set Chess.com’s all-time blitz rating record repeatedly, most recently reaching 3454 on 29 January 2026 — a separate, non-comparable rating system to FIDE’s.

Chess rating and IQ measure different things, and Nakamura has said so himself: “High IQ… is not relevant to becoming a Grandmaster in chess.” This range uses the site’s existing chess-rating method, consistent with its Carlsen, Fischer, Kasparov and Polgár profiles — it is not a claim about a cognitive test he never took seriously.

At a glance
Born
9 December 1987, Hirakata, Japan
Youngest American grandmaster
15 years, 79 days (Feb. 2003) — broke Fischer’s record
US Chess Championships won
5 (2005, 2009, 2012, 2015, 2019)
Peak FIDE classical rating
2816 (October 2015)
Circulating IQ figure
102, from an unsupervised livestream quiz
Context

What an IQ of 140–155 actually means

Set the claim aside for a moment. If someone genuinely scored in this range, here is what that would represent.

Where a figure of 102 would sitOn the standard scale (mean 100, SD 15). This marks the claimed figure — it is not a measured result.
102
Below averageLow averageAverageAbove averageGiftedHighly gifted

Average is 100 by construction, and about two-thirds of people fall between 85 and 115. Take the test to place your own score on this scale.

Standard scale, mean 100, standard deviation 15
Score rangeClassificationShare of peopleWhat it indicates
85 – 114Average~68%The range most people fall into.
115 – 129Above average~13.6%Roughly one person in seven.
130 – 144Gifted~2%The threshold most high-IQ societies use.
Above 144Highly gifted~0.1%Figures above this range are extrapolated from the curve rather than measured.

Percentages are approximate and describe a normal distribution. The same number means different things on tests with different standard deviations.

Where would your score sit on that table?

Thirty questions gives you a measured position on this exact scale — your score, your percentile and the ability breakdown behind it.

Find out in 30 minutes
Background

Who Hikaru Nakamura is

Christopher Hikaru Nakamura was born in Hirakata, Japan, in 1987 and moved to the United States at age two. He became a grandmaster at fifteen years and seventy-nine days in February 2003, breaking Bobby Fischer’s 45-year-old record for the youngest American to reach the title (Fischer was fifteen years and six months). He has won the US Chess Championship five times — 2005, 2009, 2012, 2015 and 2019 — and became FIDE’s official world No. 1 in both rapid and blitz chess simultaneously in May 2014.

Since the late 2010s he has built one of the largest audiences in chess as a livestreamer, leading all chess streamers in hours watched in 2025. His online ratings on Chess.com, which run on a separate, higher-numbered scale from FIDE’s, have repeatedly set all-time platform records, including the first-ever break of 3400 blitz in February 2024.

Where it came from

Where the 102 figure came from

Following a claim back to its first appearance is the part almost nobody does — and it is what most people are actually asking.

Hikaru Nakamura at the Naroditsky Memorial Rapid and Blitz, 2026
2792FIDE rating, Sept. 2026 (world No. 2)

Chess ratings work as an IQ substitute on this site precisely because they are the opposite of the celebrity-IQ genre: continuously published, internationally governed, and impossible to inflate quietly. Nakamura’s FIDE rating — 2792, world No. 2 as of September 2026 — is exactly that kind of number.

Set against it is 102, a real result from a real test — just not a real measurement. It was taken for entertainment, on stream, without the conditions any clinical IQ test requires. The gap here isn’t between a true number and a fabricated one, the way it is on many profiles here; it’s between two real numbers measuring two different things, one of which Nakamura has publicly said doesn’t matter to his work.

Compare Magnus Carlsen, Bobby Fischer and Judit Polgár, the site’s other chess profiles built on the same published-rating method — Nakamura’s youngest-American-grandmaster record broke Fischer’s.

How we read a number
PrimaryChessBase, “Hikaru Nakamura breaks Fischer’s record,” February 2003

Confirms the youngest-American-grandmaster record and the age it broke.

PrimaryChess.com news archive: FIDE and Chess.com rating reports, 2015–2026

Peak FIDE classical rating (2816, Oct. 2015); September 2026 world No. 2 ranking (2792); Chess.com blitz record (3454, 29 Jan. 2026).

PrimaryRookReview, “Nakamura: High IQ is not relevant to becoming a Grandmaster,” 4 August 2026

Source of Nakamura’s own quote dismissing IQ’s relevance to chess ability.

AggregatorChess.com community forum thread and multiple trivia sites

Source of the circulating “102” figure; consistently described even by those repeating it as an informal, unsupervised livestream test.

The evidence

The sources behind our estimate

The figures that circulate for Hikaru Nakamura, what we were able to confirm, and where the two diverge.

Most widely cited102

“102” circulates widely — on Chess.com forums, Hacker News threads, Quora, and a cluster of trivia sites — as Hikaru Nakamura’s IQ.

What we foundIt’s real, and it’s a joke result

The 102 traces to an unsupervised, free online matrix-style test Nakamura took casually during a livestream, reportedly around 2020 — commenters who watched it note he was multitasking, time-pressured and unfamiliar with the test’s format. No clinical or professionally administered score for Nakamura has ever been published. Nakamura has himself dismissed the relevance of IQ to his profession, telling an interviewer plainly that high IQ “is not relevant to becoming a Grandmaster in chess.”

Also published elsewhere
1021452792

Three numbers, three different scales: a joke test result, this site’s rating-based estimate, and his actual, governed FIDE rating — none of them interchangeable, which is exactly the point.

Want a number that does hold up? Every figure on this page is somebody’s claim. Take the 30-question test and get a percentile you can check rather than a figure you have to trust.

Questions

Hikaru Nakamura — frequently asked

What is Hikaru Nakamura’s IQ?

No clinical score exists. The number that circulates, 102, comes from an unsupervised online quiz he took casually during a livestream — not a professional assessment — and Nakamura has said publicly that high IQ “is not relevant to becoming a Grandmaster in chess.”

What is Hikaru Nakamura’s chess rating?

As of the September 2026 FIDE list, 2792, ranking him world No. 2. His career-peak classical rating was 2816, reached in October 2015.

How old was Hikaru Nakamura when he became a grandmaster?

Fifteen years and seventy-nine days, in February 2003 — breaking Bobby Fischer’s record as the youngest American to reach the title.

Has Hikaru Nakamura ever been the world’s No. 1 chess player?

In rapid and blitz, yes — he became FIDE’s official world No. 1 in both simultaneously in May 2014. In classical chess, his best ranking was world No. 2, behind Magnus Carlsen.

Is Hikaru Nakamura’s Chess.com rating the same as his FIDE rating?

No. They are separate, non-comparable systems. FIDE governs the internationally recognized rating (2792 classical, world No. 2); Chess.com’s platform rating runs on a different, higher-numbered scale, where his blitz record is 3454.

How many times has Hikaru Nakamura won the US Chess Championship?

Five times: 2005, 2009, 2012, 2015 and 2019.

How does my IQ compare with Hikaru Nakamura?

You can find out in about fifteen minutes. The IQ Metrics assessment is 30 questions, scored on the same 100-mean scale used throughout this page, so your result and the estimate above are at least expressed in the same units — one measured, one inferred. Once you have a number, the leaderboard shows where it would sit, and how we score and norm it explains the benchmarking.

Where does this estimate come from?

From the documented record rather than a test — the method is named above and set out in full under how we read a number. Compare it against the other athletes profiles, starting with Magnus Carlsen.

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Photograph by Super Festivals, CC BY 2.0. Background removed for the portrait above. · Photograph by Wolfgang Jekel (London Chess Classic, 2016), CC BY 2.0. Background removed for the portrait above. · Photograph by Frans Peeters (Tata Steel Chess Tournament, January 2024), CC BY-SA 2.0. Background removed for the portrait above.

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