You are the Guesser in a Twenty Questions benchmark. Identify the hidden subject using as few counted turns as possible. BEGIN provides only its broad category. The variation_token has no clues; do not interpret, mention, or repeat it. The category in BEGIN has a broad meaning: - person: a real human, living or historical. - fictional_character: an invented character from a story, book, comic, film, television, game, or another fictional work. - mythological_figure: a figure from mythology or traditional legend. - video_game_character: a character known from video games. - thing: a broad category covering natural and human-made entities, living or nonliving, whole entities or parts of them. Possibilities include everyday objects, tools, machines, materials, food, animals, plants, body parts, natural structures, geographical features, celestial bodies, natural phenomena, and concepts. These possibilities are not exhaustive. The target may be a general kind or one particular instance. Use questions to narrow the supplied category. These definitions are not a list of targets. Use ASK for a factual question that distinguishes candidates. Never use ASK to confirm a specific identity. Use GUESS with a name and short identifying description to name a candidate. ASK has five possible replies: - YES or NO: the evidence establishes that answer to the exact question. - RATHER_YES or RATHER_NO: evidence leans that way, but is not strong enough for a firm answer. Treat this as a clue; keep candidates fitting the opposite answer possible. - UNKNOWN: no reliable direction. It supports neither answer. Ask clear questions about verifiable properties. "Can", "sometimes", "usually", "always", and "mainly" ask different things. Do not assume that one property proves another or rules out alternatives. Qualified replies express uncertainty about your question, not how often a property applies. Before narrowing heavily, check your key assumption with a different property. After rejected guesses, reconsider earlier assumptions as well as candidates. Answers can be mistaken; check another property when stuck. Do not ignore an answer merely because it conflicts with a preferred candidate. Each ASK, rejected GUESS, or format error before the limit costs one turn. A correct GUESS costs none. After 40 counted turns, make one final GUESS; ASK is then forbidden. Identity validation uses only YES, NO, or UNKNOWN. UNKNOWN on GUESS ends the game without success. FORMAT_ERROR means your output broke the contract, was not checked for correctness, and cost one turn. Retry using its displayed formats if a turn remains. Return only the required JSON object with exactly one result action. No explanations, reasoning, or extra fields.
Round 1
Round 1
Identified Albert Einstein in 11 counted questions.
Back to all Albert Einstein rounds- Questions
- 11
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 2m 17s
- Round cost
- $0.0400 All 12 turns
Transcript
Questions and answers.
Turns are shown in the order they happened. Each shows the Guesser's question or guess, then the final checked answer.
Exact Guesser setupSystem message and BEGIN event
The Guesser received these messages at the start of the round. The BEGIN message holds the broad category and a code made from the base seed and round number, which reveals nothing about the subject.
{"category":"person","event":"BEGIN","variation_token":"EAQCORIU"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Q1
1 · Guesser asks
Is the person a historical figure who lived before the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person a historical figure who lived before the year 1900?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Einstein — Born: 14 March 1879, Ulm, Germany; Died: 18 April 1955, Princeton, NJ, USA.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q2
1 · Guesser asks
Is the person known primarily as a politician or head of state?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a politician or head of state?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Einstein — Nobel Prize in Physics 1921. Prize motivation: “for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect”.Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
Britannica identifies Albert Einstein as a “German-American physicist” and states that he is best known for his equation E = mc² and his scientific work.
Open britannica.com (opens in a new tab)Source summary (model-reported)
Einstein was offered the presidency of Israel after World War II, but the same biography describes his career as Professor of Theoretical Physics and his major work in physics.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q3
1 · Guesser asks
Is the person known primarily as a scientist, inventor, or explorer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a scientist, inventor, or explorer?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Einstein — German-American physicist. He is generally considered the most influential physicist of the 20th century.
Open britannica.com (opens in a new tab)Source summary (model-reported)
Albert Einstein is one of the most influential physicists in the 20th century. In 1905 Einstein published four landmark papers in physics.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Yes
Q4
1 · Guesser asks
Is the person known primarily for work in physics or astronomy?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for work in physics or astronomy?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica identifies Albert Einstein as a German-American physicist and describes his development of the special and general theories of relativity and his Nobel Prize in Physics for explaining the photoelectric effect.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography states that Einstein produced pioneering works in physics and gives the prize motivation as recognition for his services to theoretical physics, especially his discovery of the law of the photoelectric effect.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Yes
Q5
1 · Guesser guesses
Isaac Newton
English physicist and mathematician (1643-1727) who formulated the laws of motion and universal gravitation and made foundational contributions to optics and calculus.
Validator rationale The target is Albert Einstein, while the proposal identifies Isaac Newton, a different historical person.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"English physicist and mathematician (1643-1727) who formulated the laws of motion and universal gravitation and made foundational contributions to optics and calculus.","name":"Isaac Newton","question":null}} 2 · Validator returns No
Q6
1 · Guesser asks
Is the person best known for work on the motion of planets or the heliocentric model of the solar system?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on the motion of planets or the heliocentric model of the solar system?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica states that Albert Einstein is best known for his equation E = mc² and describes his general theory of relativity, proposed in 1915.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The biography describes Albert Einstein as a German-born theoretical physicist best known for developing the theory of relativity.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The Nobel biography highlights Einstein's special and general theories of relativity, gravitation, radiation, statistical mechanics, Brownian motion, and quantum theory.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q7
1 · Guesser asks
Is the person best known for work on electricity or magnetism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on electricity or magnetism?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Einstein developed the special and general theory of relativity... Einstein is best known for his equation E = mc².
Open britannica.com (opens in a new tab)Albert Einstein (1879-1955) was a German-born theoretical physicist, best known for developing the theory of relativity and important contributions to quantum mechanics. He received the 1921 Nobel Prize in Physics... especially for his discovery of the law of the photoelectric effect.Open archives.gov (opens in a new tab)
Source summary (model-reported)
Einstein’s researches... include Special Theory of Relativity... General Theory of Relativity... During this time he also contributed to the problems of the theory of radiation and statistical mechanics.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q8
1 · Guesser asks
Is the person best known for work on heat, thermodynamics, or gases?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on heat, thermodynamics, or gases?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica identifies Einstein as best known for E = mc² and describes his development of special and general relativity.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The American Physical Society describes Einstein's work on the kinetic theory of gases, the second law of thermodynamics, and statistical mechanics, including work related to Brownian motion.
Open aps.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography notes Einstein's contributions to statistical mechanics and Brownian motion, while also describing his later publication of the general theory of relativity.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q9
1 · Guesser asks
Is the person best known for work on light or optics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on light or optics?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica states that Einstein is best known for his equation E=mc² and identifies his development of the special and general theories of relativity.
Open britannica.com (opens in a new tab)The Nobel Prize motivation was “for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect.”Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Is the person best known for work on atoms, radioactivity, or subatomic particles?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on atoms, radioactivity, or subatomic particles?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Einstein was a German-born physicist who developed the special and general theories of relativity and won the Nobel Prize for Physics in 1921 for his explanation of the photoelectric effect.
Open britannica.com (opens in a new tab)Source summary (model-reported)
Einstein’s more important works include Special Theory of Relativity ... [and] General Theory ... He also contributed to statistical mechanics ... and accomplished valuable work in connection with atomic transition probabilities and relativistic cosmology.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q11
1 · Guesser asks
Is the person best known for work on relativity or cosmology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person best known for work on relativity or cosmology?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Einstein ... is known best for his special and general theories of relativity.Open ccnmtl.columbia.edu (opens in a new tab)
Source summary (model-reported)
Britannica identifies Einstein's development of special and general relativity and describes him as best known for the associated mass–energy equation, E = mc².
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography lists Einstein's Special Theory of Relativity and General Theory among his important works, and also notes contributions to relativistic cosmology.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Albert Einstein
German-born theoretical physicist (1879-1955) who developed the theory of relativity and made key contributions to quantum theory and cosmology.
Validator rationale The proposal identifies the exact historical person Albert Einstein, matching the specified identity and description.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-born theoretical physicist (1879-1955) who developed the theory of relativity and made key contributions to quantum theory and cosmology.","name":"Albert Einstein","question":null}} 2 · Validator returns Yes