Round

Round 2

Round 2

Identified Albert Schweitzer in 47 counted questions.

Back to all Albert Schweitzer rounds
Questions
47
Outcome
Solved
Format errors
No errors
Duration
1h 40m
Round cost
$1.8584 All 48 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 being evaluated in a Twenty Questions benchmark.

One subject is hidden. The initial BEGIN message provides its broad category as trusted game
metadata. Identify the subject using as few counted questions as possible. ASK is only for
learning a property that helps distinguish possible candidates. Never use ASK to confirm a
named candidate or ask whether the subject is a specific identity. When you are ready to name
a candidate, use GUESS immediately. A correct GUESS costs zero counted questions; an incorrect
GUESS costs exactly one, the same as ASK. A GUESS must provide both a name and a short
identifying description. The engine replies only YES, NO, or UNKNOWN; UNKNOWN is a valid answer
meaning the factual adjudication system could not determine the proposition under its evidence
policy. Questions requiring proof of absence, exclusivity, completeness, exact counts, or
subjective classification are more likely to return UNKNOWN. Prefer direct, positively
verifiable properties when possible.

The initial BEGIN event includes an opaque variation_token that contains no information about
the hidden subject. Do not interpret, repeat, mention, or derive meaning from it. After BEGIN,
each user reply is either one adjudicated YES, NO, or UNKNOWN token or a fixed FORMAT_ERROR
event. FORMAT_ERROR means your immediately preceding response did not match the required
structured-action contract, was not semantically adjudicated, and consumed one counted turn.
Use the formats in that event and try again. Never infer that the attempted question or
guess was right or wrong.

At most 50 questions or rejected guesses are counted. After that limit you receive
one final guess-only opportunity. Format errors also consume counted turns. The provider wire
response is an object with exactly one `result` action. On the final opportunity ASK is
forbidden. Return only the required structured response. Do not include analysis, hidden
reasoning, or additional fields.
BEGIN event
{"category":"person","event":"BEGIN","variation_token":"BKXG3AZI"}

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 alive?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person alive?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q2
1 · Guesser asks

Is this person male?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person male?"}}
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

Was this person a scientist?

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

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

2 · Answer check returns Yes
Q4
1 · Guesser asks

Is this person from after the year 1800?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person from after the year 1800?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns Yes
Q5
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 evidence1 model-reported source

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

2 · Answer check returns No
Q6
1 · Guesser asks

Is this person best known for work in biology?

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

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

2 · Answer check returns No
Q7
1 · Guesser asks

Is this person best known for work in chemistry?

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

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

2 · Answer check returns No
Q8
1 · Guesser asks

Is this person best known for work in mathematics?

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

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

Source 02
Albert Schweitzer was a physician, Protestant theologian, organist, and missionary, who was awarded the Nobel Peace Prize for 1952, primarily for his work at his hospital at Lambaréné.
Open lbi.org (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks

Is this person best known for work in engineering?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in engineering?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q10
1 · Guesser asks

Is this person best known for work in astronomy?

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

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

2 · Answer check returns No
Q11
1 · Guesser asks

Is this person best known for work in geology?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in geology?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q12
1 · Guesser asks

Is this person best known for work in social sciences?

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

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

2 · Answer check returns No
Q13
1 · Guesser asks

Is this person best known for work in medicine or medical research?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in medicine or medical research?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns Yes
Q14
1 · Guesser asks

Is this person from the 20th century?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person from the 20th century?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns Yes
Q15
1 · Guesser asks

Did this person develop a vaccine?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person develop a vaccine?"}}
2 · Answer check returns Unknown
Q16
1 · Guesser asks

Is this person primarily known for work in microbiology?

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

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

2 · Answer check returns No
Q17
1 · Guesser asks

Is this person American?

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

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

2 · Answer check returns No
Q18
1 · Guesser asks

Is this person known for discovering or developing an antibiotic?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for discovering or developing an antibiotic?"}}
2 · Answer check returns Unknown
Q19
1 · Guesser asks

Is this person European?

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

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

2 · Answer check returns Yes
Q20
1 · Guesser asks

Is this person British?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person British?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q21
1 · Guesser guesses

Karl Landsteiner

Austrian physician and immunologist who discovered the major human blood groups

Validator rationale The proposal identifies Karl Landsteiner, while the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Austrian physician and immunologist who discovered the major human blood groups","name":"Karl Landsteiner","question":null}}
2 · Validator returns No
Q22
1 · Guesser asks

Is this person from Germany?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person from Germany?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns Yes
Q23
1 · Guesser asks

Is this person known for work in pharmacology?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for work in pharmacology?"}}
2 · Answer check returns Unknown
Q24
1 · Guesser guesses

Werner Forssmann

German physician and Nobel laureate who developed cardiac catheterization

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Werner Forssmann, a different German physician and Nobel laureate.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician and Nobel laureate who developed cardiac catheterization","name":"Werner Forssmann","question":null}}
2 · Validator returns No
Q25
1 · Guesser asks

Is this person known for work on cellular respiration or metabolism?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for work on cellular respiration or metabolism?"}}
Oracle evidence2 model-reported sources

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

Source 02
Profession: Doctor of Philosophy, Theology and Medicine. Musician and missionary. Motivation: Albert Schweitzer was nominated for his humanitarian work on a religious basis.
Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q26
1 · Guesser asks

Did this person win a Nobel Prize?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person win a Nobel Prize?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns Yes
Q27
1 · Guesser asks

Is this person known for work in immunology?

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

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

2 · Answer check returns No
Q28
1 · Guesser guesses

Otto Loewi

German pharmacologist and physiologist who discovered the chemical transmission of nerve impulses

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Otto Loewi, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German pharmacologist and physiologist who discovered the chemical transmission of nerve impulses","name":"Otto Loewi","question":null}}
2 · Validator returns No
Q29
1 · Guesser guesses

Gerhard Domagk

German physician who discovered the antibacterial effects of Prontosil, the first sulfanilamide drug

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Gerhard Domagk, a different German physician and Nobel laureate.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician who discovered the antibacterial effects of Prontosil, the first sulfanilamide drug","name":"Gerhard Domagk","question":null}}
2 · Validator returns No
Q30
1 · Guesser guesses

Albrecht Kossel

German physician and biochemist who discovered the nucleobases of nucleic acids

Validator rationale The proposal identifies Albrecht Kossel, a different person from Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician and biochemist who discovered the nucleobases of nucleic acids","name":"Albrecht Kossel","question":null}}
2 · Validator returns No
Q31
1 · Guesser asks

Is this person's work related to hormones?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person's work related to hormones?"}}
2 · Answer check returns Unknown
Q32
1 · Guesser asks

Is this person known for work in cardiology?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for work in cardiology?"}}
2 · Answer check returns Unknown
Q33
1 · Guesser guesses

Adolf Butenandt

German biochemist who isolated sex hormones and won the Nobel Prize in Chemistry for discoveries in biochemistry with major medical applications in endocrinology

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Adolf Butenandt, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German biochemist who isolated sex hormones and won the Nobel Prize in Chemistry for discoveries in biochemistry with major medical applications in endocrinology","name":"Adolf Butenandt","question":null}}
2 · Validator returns No
Q34
1 · Guesser guesses

Adolf Windaus

German chemist and Nobel laureate who discovered the chemical structure of sterols and their relation to vitamins, with major medical applications

Validator rationale The trusted subject is Albert Schweitzer, while the proposal names Adolf Windaus, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German chemist and Nobel laureate who discovered the chemical structure of sterols and their relation to vitamins, with major medical applications","name":"Adolf Windaus","question":null}}
2 · Validator returns No
Q35
1 · Guesser guesses

Heinrich Wieland

German chemist and Nobel laureate who discovered the structure of bile acids, with major medical implications

Validator rationale The proposal identifies Heinrich Wieland, while the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German chemist and Nobel laureate who discovered the structure of bile acids, with major medical implications","name":"Heinrich Wieland","question":null}}
2 · Validator returns No
Q36
1 · Guesser guesses

Otto Warburg

German physiologist and medical doctor who discovered the role of oxygen in cellular respiration and won the Nobel Prize in Physiology or Medicine

Validator rationale The proposal identifies Otto Warburg, a different person from Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physiologist and medical doctor who discovered the role of oxygen in cellular respiration and won the Nobel Prize in Physiology or Medicine","name":"Otto Warburg","question":null}}
2 · Validator returns No
Q37
1 · Guesser guesses

Emil von Behring

German physician and physiologist who won the first Nobel Prize in Physiology or Medicine for his work on serum therapy against diphtheria

Validator rationale The proposal identifies Emil von Behring, a different German physician, while the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician and physiologist who won the first Nobel Prize in Physiology or Medicine for his work on serum therapy against diphtheria","name":"Emil von Behring","question":null}}
2 · Validator returns No
Q38
1 · Guesser guesses

Otto Fritz Meyerhof

German physiologist and biochemist, Nobel laureate in Physiology or Medicine for discoveries on glycogen metabolism and lactic acid in muscle

Validator rationale The proposal identifies Otto Fritz Meyerhof, whereas the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physiologist and biochemist, Nobel laureate in Physiology or Medicine for discoveries on glycogen metabolism and lactic acid in muscle","name":"Otto Fritz Meyerhof","question":null}}
2 · Validator returns No
Q39
1 · Guesser guesses

Feodor Lynen

German biochemist and 1964 Nobel laureate in Physiology or Medicine for discoveries on cholesterol and fatty acid metabolism

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Feodor Lynen, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German biochemist and 1964 Nobel laureate in Physiology or Medicine for discoveries on cholesterol and fatty acid metabolism","name":"Feodor Lynen","question":null}}
2 · Validator returns No
Q40
1 · Guesser guesses

Paul Ehrlich

German physician and scientist, Nobel laureate known for work in immunology and chemotherapy, pioneer ofmagic bullet concept for medical treatment

Validator rationale The trusted subject is Albert Schweitzer, while the proposed identity is Paul Ehrlich, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician and scientist, Nobel laureate known for work in immunology and chemotherapy, pioneer ofmagic bullet concept for medical treatment","name":"Paul Ehrlich","question":null}}
2 · Validator returns No
Q41
1 · Guesser guesses

Robert Koch

German physician and microbiologist who formulated germ theory and identified the bacteria causing tuberculosis, cholera, and anthrax

Validator rationale The proposal identifies Robert Koch, a different person from Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physician and microbiologist who formulated germ theory and identified the bacteria causing tuberculosis, cholera, and anthrax","name":"Robert Koch","question":null}}
2 · Validator returns No
Q42
1 · Guesser guesses

Richard Kuhn

German biochemist who won the 1938 Nobel Prize in Chemistry for discoveries on vitamins and carotenoids, with major medical applications in nutrition

Validator rationale The proposal identifies Richard Kuhn, whereas the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German biochemist who won the 1938 Nobel Prize in Chemistry for discoveries on vitamins and carotenoids, with major medical applications in nutrition","name":"Richard Kuhn","question":null}}
2 · Validator returns No
Q43
1 · Guesser guesses

Hans Spemann

German embryologist who discovered the organizer effect and won the 1935 Nobel Prize in Physiology or Medicine for his discoveries in developmental biology

Validator rationale The proposal identifies Hans Spemann, a German embryologist, whereas the trusted subject is Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German embryologist who discovered the organizer effect and won the 1935 Nobel Prize in Physiology or Medicine for his discoveries in developmental biology","name":"Hans Spemann","question":null}}
2 · Validator returns No
Q44
1 · Guesser asks

Is this person best known for work in pathology or anatomy?

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

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

2 · Answer check returns No
Q45
1 · Guesser guesses

Wilhelm Conrad Röntgen

German physicist who discovered X-rays, whose work revolutionized medical imaging and diagnostics

Validator rationale The proposal identifies Wilhelm Conrad Röntgen, an X-ray-discovering physicist, not Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German physicist who discovered X-rays, whose work revolutionized medical imaging and diagnostics","name":"Wilhelm Conrad Röntgen","question":null}}
2 · Validator returns No
Q46
1 · Guesser guesses

Hans Krebs

German-born biochemist and Nobel laureate known for discovering the citric acid cycle (Krebs cycle), fundamental to cellular respiration and metabolism in medicine

Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Hans Krebs, a different person.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-born biochemist and Nobel laureate known for discovering the citric acid cycle (Krebs cycle), fundamental to cellular respiration and metabolism in medicine","name":"Hans Krebs","question":null}}
2 · Validator returns No
Q47
1 · Guesser guesses

Konrad Bloch

German-American biochemist who won the 1964 Nobel Prize in Physiology or Medicine for discoveries on cholesterol and fatty acid metabolism, foundational to cardiovascular medicine

Validator rationale The proposal identifies Konrad Bloch, a different person from Albert Schweitzer.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-American biochemist who won the 1964 Nobel Prize in Physiology or Medicine for discoveries on cholesterol and fatty acid metabolism, foundational to cardiovascular medicine","name":"Konrad Bloch","question":null}}
2 · Validator returns No
G
1 · Guesser guessesNot counted

Albert Schweitzer

German-born physician, theologian, and medical missionary who won the Nobel Peace Prize for humanitarian medical work in Africa

Validator rationale The proposed identity names Albert Schweitzer and the description matches the trusted subject.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-born physician, theologian, and medical missionary who won the Nobel Peace Prize for humanitarian medical work in Africa","name":"Albert Schweitzer","question":null}}
2 · Validator returns Yes