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 1
Round 1
Identified Albert Schweitzer in 31 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 31
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 8m 44s
- Round cost
- $0.2977 All 32 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 male?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person male?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1912 he and Hélène Bresslau were married, and his wife studied nursing to help her husband.Open kids.britannica.com (opens in a new tab)
2 · Answer check returns Yes
Q2
1 · Guesser asks
Is the person a historical figure (born before 1900)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person a historical figure (born before 1900)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... Born: 14 January 1875, Kaysersberg, Germany (now France)Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q3
1 · Guesser asks
Was the person a political leader or head of state?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a political leader or head of state?"}} 2 · Answer check returns Unknown
Q4
1 · Guesser asks
Was the person primarily known as a scientist or inventor?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a scientist or inventor?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.org (opens in a new tab)
A theologian, 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)
2 · Answer check returns No
Q5
1 · Guesser asks
Was the person primarily known as an artist, writer, or musician?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an artist, writer, or musician?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.org (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks
Was the person primarily known as a military leader or explorer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a military leader or explorer?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A theologian, Albert Schweitzer... dedicated himself to medical studies, seeking to build and run a hospital in Africa... The hospital in Lambaréné became his life’s work.Open nobelprize.org (opens in a new tab)
He was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa. In 1952, he received the Nobel Peace Prize.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q7
1 · Guesser asks
Was the person primarily known as a philosopher or religious figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a philosopher or religious figure?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The latter activity resulted in several volumes over the years that made his reputation as a major, albeit somewhat controversial, theologian.Open pbs.org (opens in a new tab)
Albert Schweitzer ... was a ... theologian, musician, philosopher, physician, and medical missionary in Africa best known for his interpretive life of Jesus.Open librivox.org (opens in a new tab)
2 · Answer check returns Yes
Q8
1 · Guesser asks
Was the person primarily known as a religious figure rather than a philosopher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a religious figure rather than a philosopher?"}} 2 · Answer check returns Unknown
Q9
1 · Guesser asks
Did the person live in ancient times (before 500 AD)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person live in ancient times (before 500 AD)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born on 14 January 1875 and died on 4 September 1965.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Was the person European?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person European?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer is born ... in Upper-Alsace, Germany (now Haut-Rhin, France).Open history.com (opens in a new tab)
Schweitzer was born in Alsace in the then German Empire.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q11
1 · Guesser asks
Was the person active primarily during the Middle Ages or Renaissance (roughly 500-1600 AD)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person active primarily during the Middle Ages or Renaissance (roughly 500-1600 AD)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born 14 January 1875 and died 4 September 1965.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser asks
Was the person primarily known as a philosopher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a philosopher?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The mere mention of 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)
Doctor, Missionary, Philosopher and Musician ... he built and ran a hospital at the mission station Lambarene in Gabon.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q13
1 · Guesser asks
Was the person a Christian religious figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Christian religious figure?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was a devout Christian.Open nobelprize.org (opens in a new tab)
He was ordained to the Lutheran ministry and became a preacher.Open justus.anglican.org (opens in a new tab)
2 · Answer check returns Yes
Q14
1 · Guesser asks
Was the person a Pope?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Pope?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Doctor, Missionary, Philosopher and Musician ... He studied theology and became a priest ... and accordingly studied medicine.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q15
1 · Guesser asks
Did the person live primarily in the 17th, 18th, or 19th century?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person live primarily in the 17th, 18th, or 19th century?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer Born: 14 January 1875 ... Died: 4 September 1965Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q16
1 · Guesser asks
Was the person born in the 19th century?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born in the 19th century?"}}Oracle evidence1 model-reported source
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)
2 · Answer check returns Yes
Q17
1 · Guesser asks
Was the person canonized as a saint in the Catholic Church?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person canonized as a saint in the Catholic Church?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
non-Catholic “popular saints” ... Albert SchweitzerOpen linkedin.com (opens in a new tab)
2 · Answer check returns No
Q18
1 · Guesser asks
Was the person a Catholic priest or clergyman?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Catholic priest or clergyman?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer, a LutheranOpen archivesspace.columbusstate.edu (opens in a new tab)
Schweitzer himself was licensed as a curate in 1899.Open library.biblicalarchaeology.org (opens in a new tab)
2 · Answer check returns No
Q19
1 · Guesser asks
Was the person a Protestant Christian figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Protestant Christian figure?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A Lutheran minister, Schweitzer challenged both the secular view of Jesus ... as well as the traditional Christian view.Open access-ok.okeeffemuseum.org (opens in a new tab)
He was the son of a Lutheran pastor, and ... studied Philosophy and Protestant theology.Open history.co.uk (opens in a new tab)
2 · Answer check returns Yes
Q20
1 · Guesser asks
Was the person British or from the British Isles?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person British or from the British Isles?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Nationality | Germany / FranceOpen newworldencyclopedia.org (opens in a new tab)
Born: 14 January 1875, Kaysersberg, Germany (now France)Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q21
1 · Guesser asks
Was the person German or from a German-speaking region?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person German or from a German-speaking region?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born in Kaysersberg, Upper Alsace, Germany (now a part of France)... Because of this background Schweitzer spoke both French and German fluently.Open ebsco.com (opens in a new tab)
Schweitzer’s mother tongue was Alsatian, and he later wrote mostly in the German language.Open mayoclinicproceedings.org (opens in a new tab)
2 · Answer check returns Yes
Q22
1 · Guesser asks
Was the person associated with Lutheranism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person associated with Lutheranism?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer, a LutheranOpen archivesspace.columbusstate.edu (opens in a new tab)
A lifelong Lutheran, SchweitzerOpen uua.org (opens in a new tab)
2 · Answer check returns Yes
Q23
1 · Guesser asks
Was the person a Lutheran theologian or pastor born in the 19th century?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Lutheran theologian or pastor born in the 19th century?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer, theologian, philosopher, organist, authority on Bach, physician, and missionary, was born in 1875... he was ordained to the Lutheran ministry.Open justus.anglican.org (opens in a new tab)
Albert Schweitzer... Born: 14 January 1875... Minister turned doctor in Africa. Theologian and philosopher.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q24
1 · Guesser asks
Did the person emigrate to or primarily work in the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person emigrate to or primarily work in the United States?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He dedicated himself to medical studies, seeking to build and run a hospital in Africa... The hospital in Lambaréné became his life’s work.Open nobelprize.org (opens in a new tab)
He visited the United States in 1949 to speak in Aspen, Colo.Open kids.britannica.com (opens in a new tab)
2 · Answer check returns No
Q25
1 · Guesser asks
Was the person known for systematic theology or dogmatics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known for systematic theology or dogmatics?"}} 2 · Answer check returns Unknown
Q26
1 · Guesser asks
Was the person a 19th-century German Lutheran theologian known for liberal theology or historical-critical methods?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a 19th-century German Lutheran theologian known for liberal theology or historical-critical methods?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (14 January 1875–4 September 1965) was a German theologian; Schweitzer, a Lutheran, challenged the historical-critical view of Jesus.Open openroadmedia.com (opens in a new tab)
Albert Schweitzer was born January 14, 1875, in Upper Alsace, Germany (now part of France), the son of a Lutheran pastor; he studied philosophy and theology.Open snaccooperative.org (opens in a new tab)
2 · Answer check returns Yes
Q27
1 · Guesser asks
Is the person Friedrich Schleiermacher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person Friedrich Schleiermacher?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born 14 January 1875 and died 4 September 1965.Open nobelprize.org (opens in a new tab)
Friedrich Schleiermacher was born November 21, 1768, and died February 12, 1834.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q28
1 · Guesser asks
Was the person known for applying historical-critical methods to the life of Jesus or New Testament studies?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known for applying historical-critical methods to the life of Jesus or New Testament studies?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In his The Quest of the Historical Jesus (1906) and other books on the Gospels and the apostle Paul, Schweitzer observed ... historical-critical scholars.Open library.biblicalarchaeology.org (opens in a new tab)
Schweitzer undertakes a critical examination of the life and teachings of Jesus Christ from a historical perspective.Open books.apple.com (opens in a new tab)
2 · Answer check returns Yes
Q29
1 · Guesser asks
Was the person known for writing a critical examination of the life of Jesus?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known for writing a critical examination of the life of Jesus?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The Quest of the Historical Jesus: A Critical Study of its Progress from Reimarus to Wrede, by Albert Schweitzer.Open earlychristianwritings.com (opens in a new tab)
2 · Answer check returns Yes
Q30
1 · Guesser guesses
David Friedrich Strauss
19th-century German Lutheran theologian who wrote The Life of Jesus Critically Examined
Validator rationale The proposal identifies David Friedrich Strauss, while the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"19th-century German Lutheran theologian who wrote The Life of Jesus Critically Examined","name":"David Friedrich Strauss","question":null}} 2 · Validator returns No
Q31
1 · Guesser asks
Was the person also known for work as a medical missionary or physician?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person also known for work as a medical missionary or physician?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The theologian, musician, philosopher and Nobel Prize-winning physician Albert Schweitzer... entered medical school in 1905 with the dream of becoming a missionary in Africa.Open history.com (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Albert Schweitzer
German Lutheran theologian, musician, and medical missionary known for The Quest of the Historical Jesus
Validator rationale The proposed identity names Albert Schweitzer and its description matches the same theologian, musician, and medical missionary.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Lutheran theologian, musician, and medical missionary known for The Quest of the Historical Jesus","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes