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 3
Round 3
Identified Albert Schweitzer in 19 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 19
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 4m 3s
- Round cost
- $0.1134 All 20 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.
2 of 19 answers in this round reuse an earlier, fully checked answer with its original evidence. No new search or check ran for those turns.
Q1
1 · Guesser asks
Is the person a politician or government leader?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person a politician or government leader?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes Albert Schweitzer as an “Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa,” and states that he became a doctor of medicine, lecturer in philosophy, preacher, and hospital founder.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography lists Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and describes him under the heading “Doctor, Missionary, Philosopher and Musician.”
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q2
1 · Guesser asks
Is the person known primarily for science, mathematics, or invention?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for science, mathematics, or invention?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Foundation identifies Albert Schweitzer as a missionary surgeon and founder of Lambaréné, and states that he received the Nobel Peace Prize for his altruism, reverence for life, and tireless humanitarian work. It also describes him as a doctor, missionary, philosopher, and musician.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biography states that Schweitzer's fame as a theological scholar rested in part on his 1906 book The Quest of the Historical Jesus. It also describes his internationally recognized career as a concert organist, medical schooling, and work at an African hospital.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The nomination archive lists his professions as doctor of philosophy, theology, and medicine; musician and missionary. It describes his humanitarian work on a religious basis and his founding of a hospital at Lambaréné.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q3
1 · Guesser asks
Is the person known primarily as an entertainer, such as an actor, musician, or comedian?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as an entertainer, such as an actor, musician, or comedian?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel biography describes Schweitzer as internationally known as a concert organist, but also emphasizes that his fame rested on his theological scholarship and that he went to Africa as a medical missionary, where he served as doctor and surgeon and founded the hospital at Lambaréné.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica identifies Schweitzer as an Alsatian theologian, philosopher, and physician. It also states that he was an accomplished musician and recognized as a Bach interpreter, while describing his medical mission and hospital work in Lambaréné.
Open britannica.com (opens in a new tab) 2 · Answer check returns No
Q4
1 · Guesser asks
Is the person known primarily as an athlete or sports figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as an athlete or sports figure?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A theologian, Albert Schweitzer changed his course after reading of the desperate need for medical assistance in the French colony of Gabon. He later wrote, “I no longer needed to search for my path”. 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)
Profession: Doctor of Philosophy, Theology and Medicine. Musician and missionary. ... Albert Schweitzer was nominated for his humanitarian work on a religious basis. Originally a student of theology and philosophy, he entered medical school in 1905 in order to qualify as a mission doctor in Gabon.Open nobelprize.org (opens in a new tab)
Schweitzer ... was, from his young manhood to his middle eighties, recognized as a concert organist, internationally known ... for his theological education, particularly his later medical schooling, and for his African hospital.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q5
1 · Guesser asks
Is the person known primarily as a writer, philosopher, or other intellectual?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a writer, philosopher, or other intellectual?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biography identifies Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and describes him as a philosopher and musician whose philosophy of “reverence for life” shaped his work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biography states that his 1906 book The Quest of the Historical Jesus was central to his fame as a theological scholar, and that he was also a doctor, surgeon, pastor, administrator, writer of scholarly books, and musician.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel account calls him a theologian and philosopher and says he 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 Unknown
Q6
1 · Guesser asks
Is the person known primarily for military leadership or warfare?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for military leadership or warfare?"}}Oracle evidence3 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)
Source summary (model-reported)
The Nobel Prize biographical account describes Schweitzer's theological scholarship, medical education, founding of his hospital at Lambaréné, and internationally recognized career as a concert organist.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The source identifies Schweitzer as a theologian, musician, philosopher, and Nobel Prize-winning physician, and highlights his hospital work in Africa, opposition to nuclear weapons, and service to others.
Open history.com (opens in a new tab) 2 · Answer check returns No
Q7
1 · Guesser asks
Is the person known primarily for religious leadership, activism, or social reform?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for religious leadership, activism, or social reform?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize facts page identifies Schweitzer as a “Missionary surgeon” and founder of Lambaréné, stating that he and his wife built and ran a hospital there. It gives the prize motivation as recognition for his “altruism, reverence for life, and tireless humanitarian work.” It also records his warning against nuclear tests and radioactive fallout.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biographical page states that Schweitzer went to Africa as a medical missionary, founded his hospital at Lambaréné in 1913, and served there as doctor and surgeon, pastor of a congregation, administrator, and writer. It also notes that he started a leprosarium with his Nobel Prize money.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize profile describes Schweitzer as a theologian and devout Christian, and says that the hospital in Lambaréné became his life’s work.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Rather yes
Q8
1 · Guesser asks
Is the person known primarily for religious leadership, activism, or social reform?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for religious leadership, activism, or social reform?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize facts page identifies Schweitzer as a “Missionary surgeon” and founder of Lambaréné, stating that he and his wife built and ran a hospital there. It gives the prize motivation as recognition for his “altruism, reverence for life, and tireless humanitarian work.” It also records his warning against nuclear tests and radioactive fallout.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biographical page states that Schweitzer went to Africa as a medical missionary, founded his hospital at Lambaréné in 1913, and served there as doctor and surgeon, pastor of a congregation, administrator, and writer. It also notes that he started a leprosarium with his Nobel Prize money.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize profile describes Schweitzer as a theologian and devout Christian, and says that the hospital in Lambaréné became his life’s work.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Rather yes
Q9
1 · Guesser asks
Is the person known primarily as a religious leader, such as a saint, prophet, pope, or spiritual teacher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a religious leader, such as a saint, prophet, pope, or spiritual teacher?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biography identifies Albert Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and describes him as a doctor, missionary, philosopher, and musician. It states that he studied theology and became a priest, but also that he studied medicine, built and ran a hospital in Lambaréné, and received the Nobel Peace Prize for altruism and humanitarian work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica describes Schweitzer as an Alsatian-German theologian and physician, as well as a philosopher, organist, and mission doctor. It emphasizes that he became a medical doctor, established a hospital in Lambaréné in 1913, and was awarded the 1952 Nobel Peace Prize.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel biographical account says Schweitzer decided to go to Africa as a medical missionary rather than as a pastor. At Lambaréné he served in multiple roles, including doctor and surgeon, pastor, administrator, writer, and commentator.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q10
1 · Guesser asks
Is the person known primarily for activism or campaigning for social change?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for activism or campaigning for social change?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize account describes Schweitzer as a theologian who became a doctor, dedicated himself to building and running a hospital in Africa, and received the prize for his philosophy and tireless humanitarian work. It says the Lambaréné hospital became his life's work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
NobelPrize.org states that Schweitzer studied medicine to alleviate suffering, built and ran a hospital at Lambaréné, and was also a musician and interpreter of Bach. It also reports that he warned against nuclear tests and radioactive fallout in a 1957 radio address.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
A University at Albany account reports that Schweitzer spoke out against nuclear-weapons testing in 1957 and 1958 and characterizes this as antinuclear activism, while also describing him as a Nobel Peace Prize winner and highly esteemed missionary.
Open albany.edu (opens in a new tab) 2 · Answer check returns No
Q11
1 · Guesser asks
Is the person known primarily as a businessperson, inventor-entrepreneur, or industrialist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a businessperson, inventor-entrepreneur, or industrialist?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Role: Missionary surgeon; Founder of Lambaréné. ... Doctor, Missionary, Philosopher and Musician ... Albert Schweitzer was also a gifted musician and interpreter of Bach.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Minister turned doctor in Africa ... A theologian, Albert Schweitzer changed his course ... He dedicated himself to medical studies, seeking to build and run a hospital in Africa to alleviate suffering.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Profession: Doctor of Philosophy, Theology and Medicine. Musician and missionary ... he entered medical school ... to qualify as a mission doctor in Gabon.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q12
1 · Guesser asks
Is the person known primarily as a monarch, emperor, or other royal ruler?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a monarch, emperor, or other royal ruler?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer ... Doctor, Missionary, Philosopher and Musician ... Albert Schweitzer was also a gifted musician and interpreter of Bach.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
A theologian, Albert Schweitzer changed his course after reading of the desperate need for medical assistance ... Albert Schweitzer ... was born into an Alsatian family ...
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q13
1 · Guesser asks
Did the person live before the year 1500?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person live before the year 1500?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer — Born: 14 January 1875, Kaysersberg, Germany (now France). Died: 4 September 1965, Lambaréné, Gabon.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q14
1 · Guesser asks
Is the person known primarily as a painter, sculptor, or other visual artist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as a painter, sculptor, or other visual artist?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biography describes Albert Schweitzer as a “Doctor, Missionary, Philosopher and Musician” and notes his humanitarian work and organ concerts.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel nomination archive lists his profession as “Doctor of Philosophy, Theology and Medicine. Musician and missionary” and describes his humanitarian work and hospital at Lambaréné.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biographical entry describes Schweitzer's distinguished musical career and says he was recognized internationally as a concert organist; it also discusses his medical education and African hospital.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q15
1 · Guesser asks
Is the person known primarily as an explorer, adventurer, or aviator?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily as an explorer, adventurer, or aviator?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize facts page lists Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and notes that he was also a gifted musician.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel nomination archive lists his profession as “Doctor of Philosophy, Theology and Medicine. Musician and missionary,” and states that he entered medical school to qualify as a mission doctor in Gabon.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography describes Schweitzer as a theologian and explains that he changed course after learning of the need for medical assistance in Gabon.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q16
1 · Guesser asks
Did the person live mainly in the 20th century or later?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person live mainly in the 20th century or later?"}}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) Died: 4 September 1965, Lambaréné, GabonOpen nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q17
1 · Guesser asks
Is the person known primarily for medicine, healthcare, or humanitarian aid work?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for medicine, healthcare, or humanitarian aid work?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Foundation identifies Schweitzer as a “Missionary surgeon” and founder of Lambaréné, states that he studied medicine to alleviate suffering, and says he and his wife built and ran a hospital there. The prize motivation cited his “tireless humanitarian work.”
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Schweitzer is described as a minister turned doctor in Africa. He dedicated himself to medical studies, sought to build and run a hospital in Africa, and the hospital at Lambaréné became his life’s work. The Nobel Prize recognized his humanitarian work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica describes Schweitzer as an Alsatian theologian, philosopher, organist, and mission doctor, noting that he became a medical doctor and established a hospital in Lambaréné where he and his wife devoted themselves to philanthropic work and treated patients.
Open britannica.com (opens in a new tab) 2 · Answer check returns Yes
Q18
1 · Guesser asks
Is the person known primarily for work in medicine or healthcare, as opposed to humanitarian aid?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person known primarily for work in medicine or healthcare, as opposed to humanitarian aid?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
NobelPrize.org identifies Schweitzer as a “Missionary surgeon” and founder of Lambaréné, but says the Nobel Prize recognized “his altruism, reverence for life, and tireless humanitarian work.”
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize account says the hospital at Lambaréné became Schweitzer’s life’s work, while also stating that he received the prize for his philosophy and “tireless humanitarian work.”
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
PBS describes Schweitzer as a renowned medical missionary, notes that he devoted more than half a century to practicing medicine, and discusses his charitable work and fundraising for the hospital.
Open pbs.org (opens in a new tab) 2 · Answer check returns Unknown
Q19
1 · Guesser asks
Is the person a woman?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person a woman?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer ... He wanted to alleviate suffering, and accordingly studied medicine. Together with his wife, who was a nurse, he built and ran a hospital at the mission station Lambarene in Gabon.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer (January 14, 1875-September 4, 1965) was born into an Alsatian family ...
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
G
1 · Guesser guessesNot counted
Albert Schweitzer
Male French-German physician, theologian, and humanitarian who founded a hospital in Lambaréné, Gabon, and died in 1965.
Validator rationale The proposal identifies the same historical person, Albert Schweitzer, and its description matches his known roles and Lambaréné hospital association.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Male French-German physician, theologian, and humanitarian who founded a hospital in Lambaréné, Gabon, and died in 1965.","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes