Deep20Bench
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Benchmark edition

Edition 1.1 settings

10 subjects3 rounds per subject40 question limit
Question answersYesRather yesRather noNoUnknown
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Round

Round 1

Round 1

Identified Albert Einstein in 10 counted questions.

Back to all Albert Einstein rounds
Questions
10
Outcome
Solved
Format errors
No errors
Duration
2m 12s
Round cost
$0.0585 All 11 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.

System message
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.
BEGIN event
{"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 this person currently alive?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person currently alive?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q2
1 · Guesser asks

Was this person born after 1800?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born after 1800?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q3
1 · Guesser asks

Is this person best known for politics or government leadership?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for politics or government leadership?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

Britannica describes Einstein as a German-born physicist who developed the special and general theories of relativity and states that he is generally considered the most influential physicist of the 20th century.

Open britannica.com
Source 03

Source summary (model-reported)

The Nobel Prize biography records that Einstein was a professor of theoretical physics, that he was offered the presidency of Israel and declined it, and that he was a leading figure in the World Government Movement after World War II.

Open nobelprize.org
2 · Answer check returns No
Q4
1 · Guesser asks

Is this person best known for work in the arts or entertainment?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in the arts or entertainment?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

He developed the general theory of relativity... In 1921 he received the Nobel Prize in Physics for his “services to theoretical physics”, and in particular his discovery of the photoelectric effect.

Open alberteinstein.com
2 · Answer check returns No
Q5
1 · Guesser asks

Is this person best known for contributions to science or mathematics?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for contributions to science or mathematics?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

During 1905, often called Einstein’s “miracle year,” he published four papers ... each of which would alter the course of modern physics.

Open britannica.com
Source 03
He developed the general theory of relativity ... He is perhaps best known in popular culture for his mass/energy equivalence formula E=mc2. In 1921 he received the Nobel Prize in Physics for his “services to theoretical physics”.
Open alberteinstein.com
2 · Answer check returns Yes
Q6
1 · Guesser asks

Was this person born before 1900?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born before 1900?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q7
1 · Guesser asks

Is this person best known for work in physics?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in physics?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

Einstein was appointed Professor of Theoretical Physics at Princeton. His major contributions included special and general relativity, radiation theory, statistical mechanics, quantum theory, and relativistic cosmology.

Open nobelprize.org
Source 03

Source summary (model-reported)

During 1905, often called Einstein’s “miracle year,” he published four papers in the Annalen der Physik, each of which would alter the course of modern physics.

Open britannica.com
2 · Answer check returns Yes
Q8
1 · Guesser asks

Did this person receive a Nobel Prize in Physics?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person receive a Nobel Prize in Physics?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The Nobel Prize in Physics 1921 was awarded to Albert Einstein "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect". Albert Einstein received his Nobel Prize one year later, in 1922.

Open nobelprize.org
Source 02

Source summary (model-reported)

The Nobel Foundation's facts page identifies Albert Einstein as the 1921 Nobel Prize in Physics laureate, gives the prize motivation, and states that he received his Nobel Prize one year later, in 1922.

Open nobelprize.org
2 · Answer check returns Yes
Q9
1 · Guesser asks

Is this person chiefly known as a theoretical physicist?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person chiefly known as a theoretical physicist?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q10
1 · Guesser asks

Is this person especially known for developing the theory of relativity?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person especially known for developing the theory of relativity?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

Albert Einstein ... was a German-born physicist who developed the special and general theories of relativity ... Einstein developed a theory of special and general relativity.

Open britannica.com
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted

Albert Einstein

German-born theoretical physicist who developed the theories of special and general relativity.

Validator rationale The proposal identifies Albert Einstein, the specified historical person, with a matching description.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-born theoretical physicist who developed the theories of special and general relativity.","name":"Albert Einstein","question":null}}
2 · Validator returns Yes