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.
Round 3
Round 3
Identified Albert Schweitzer in 26 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 26
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 9m 5s
- Round cost
- $0.6872 All 27 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":"AMZAISLM"}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 currently alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person currently alive?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (1875–1965)Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Albert Schweitzer, 90, Dies at His HospitalOpen archive.nytimes.com (opens in a new tab)
2 · Answer check returns No
Q2
1 · Guesser asks
Did this person die in or after the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person die in or after the year 1900?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (1875–1965)Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Albert Schweitzer (1875-1965)Open museeprotestant.org (opens in a new tab)
2 · Answer check returns Yes
Q3
1 · Guesser asks
Was this person female?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person female?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
This attitude permeated everything he did. ... Together with his wife, who was a nurse, he built and ran a hospital.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q4
1 · Guesser asks
Was this person a citizen of the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a citizen of the United States?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer, born a German citizen, had his parents' former pre-1871 French citizenship reinstated, and became a French citizen.Open en.wikipedia.org (opens in a new tab)
Within a year, World War I broke out, and being German citizens, the Schweitzers were considered enemies of France.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q5
1 · Guesser asks
Was this person born in Europe?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in Europe?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Born: 14 January 1875, Kaysersberg, Germany (now France)Open nobelprize.org (opens in a new tab)
Albert Schweitzer was born on 14th January 1875 in the small village of Kaysersberg in Upper Alsace, North Eastern France.Open philosophynow.org (opens in a new tab)
2 · Answer check returns Yes
Q6
1 · Guesser asks
Was this person a political leader, monarch, or head of state or government?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a political leader, monarch, or head of state or government?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Dr. Schweitzer, musician, physician and humanitarian, has taken no part in French politics or in North African affairs.Open nytimes.com (opens in a new tab)
An Alsatian-German theologian and physician, [Schweitzer] developed the philosophy of “reverence for life.”Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q7
1 · Guesser asks
Was this person primarily known for their work in science, mathematics, or medicine?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in science, mathematics, or medicine?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Was this person primarily known as a writer, poet, or playwright?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as a writer, poet, or playwright?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1906 he published The Quest of the Historical Jesus, a book on which much of his fame as a theological scholar rests. ... Schweitzer was ... internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks
Was this person primarily known for their work in the visual arts (such as painting, sculpting, or architecture)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in the visual arts (such as painting, sculpting, or architecture)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Quest of the Historical Jesus, a book on which much of his fame as a theological scholar rests; he was also internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Was this person primarily known for their work in music (such as a composer, conductor, or musician)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in music (such as a composer, conductor, or musician)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Dr. Albert Schweitzer, a renowned medical missionary.Open pbs.org (opens in a new tab)
2 · Answer check returns No
Q11
1 · Guesser asks
Was this person known for their work in philosophy, psychology, or the social sciences?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person known for their work in philosophy, psychology, or the social sciences?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (1875–1965) was an Alsatian-German theologian, philosopher, organist, and mission doctor.Open britannica.com (opens in a new tab)
2 · Answer check returns Yes
Q12
1 · Guesser asks
Was this person born in a German-speaking country (such as Germany, Austria, or Switzerland)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in a German-speaking country (such as Germany, Austria, or Switzerland)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer was born in Alsace in the then German Empire.Open nobelprize.org (opens in a new tab)
He was born in Kaysersberg, Upper Alsace, Germany (now in France), on January 14, 1875.Open britannica.com (opens in a new tab)
2 · Answer check returns Yes
Q13
1 · Guesser asks
Was this person primarily known for their work in psychology or psychoanalysis?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in psychology or psychoanalysis?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Quest of the Historical Jesus, a book on which much of his fame as a theological scholar rests; he was also recognized as an internationally known concert organist.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q14
1 · Guesser asks
Did this person die in or after the year 1950?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person die in or after the year 1950?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (1875–1965)Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns Yes
Q15
1 · Guesser asks
Was this person born in Austria?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in Austria?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace, in what had become the Imperial Territory of Alsace-Lorraine in the German Empire—not Austria.Open en.wikipedia.org (opens in a new tab)
Albert Schweitzer was born on 14th January 1875 in Kaysersberg in Upper Alsace, North Eastern France.Open philosophynow.org (opens in a new tab)
2 · Answer check returns No
Q16
1 · Guesser asks
Is this person widely associated with existentialism or phenomenology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person widely associated with existentialism or phenomenology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer’s philosophy was completely life affirming, and is summed up by his motto: “Reverence for life”.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian. The overarching principle that guided him was ‘reverence for life’.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q17
1 · Guesser asks
Was this person primarily known as a philosopher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as a philosopher?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné. Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work.”Open nobelprize.org (opens in a new tab)
He is renowned for his theological work... becoming a medical doctor and establishing a hospital in Lambaréné, Gabon, in 1913.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q18
1 · Guesser asks
Was this person primarily known as an economist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an economist?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He was an Alsatian-German theologian, philosopher, organist, and mission doctor... He is renowned for his theological work... and establishing a hospital in Lambaréné.Open britannica.com (opens in a new tab)
A book on which much of his fame as a theological scholar rests... Schweitzer... was recognized as a concert organist, internationally known.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q19
1 · Guesser asks
Was this person primarily known for their work in sociology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in sociology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné. Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work.”Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q20
1 · Guesser asks
Was this person primarily known for their work in history or historiography?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in history or historiography?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné. Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work”Open nobelprize.org (opens in a new tab)
Albert Schweitzer: physician, philosopher, theologian, musicianOpen pubmed.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q21
1 · Guesser asks
Was this person primarily known for their work in political science, political theory, or law?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in political science, political theory, or law?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
He was recognized as a concert organist, internationally known... much of his fame as a theological scholar rests.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q22
1 · Guesser asks
Was this person primarily known for their work in theology, religion, or biblical scholarship?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in theology, religion, or biblical scholarship?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
The mere mention of the name Schweitzer instantly conjured up images of selflessness, heroism and the very model of a modern, humane physician.Open pbs.org (opens in a new tab)
2 · Answer check returns No
Q23
1 · Guesser asks
Was this person primarily known for their work in linguistics or philology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in linguistics or philology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Quest of the Historical Jesus ... is a book on which much of his fame as a theological scholar rests. ... [He was] internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
Musician, theologian and physician, Albert Schweitzer was above all, a true humanitarian.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q24
1 · Guesser asks
Was this person primarily known for their work in anthropology or ethnology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in anthropology or ethnology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa.Open britannica.com (opens in a new tab)
Much of his fame as a theological scholar rested on The Quest of the Historical Jesus; he was also internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q25
1 · Guesser asks
Was this person primarily known for their work in geography or cartography?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in geography or cartography?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q26
1 · Guesser asks
Was this person awarded a Nobel Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person awarded a Nobel Prize?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The Nobel Peace Prize 1952 was awarded to Albert Schweitzer.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Albert Schweitzer
Alsatian polymath, theologian, philosopher, physician, and Nobel Peace Prize laureate
Validator rationale The proposed identity names Albert Schweitzer and matches the trusted subject’s distinctive description.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian polymath, theologian, philosopher, physician, and Nobel Peace Prize laureate","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes