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 43 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 43
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 20m 19s
- Round cost
- $1.7085 All 44 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.
Is the person a real (non-fictional) person?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person a real (non-fictional) person?"}}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 1965... Albert Schweitzer was awarded the Nobel Peace Prize.Open nobelprize.org (opens in a new tab)
Is the person still alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person still alive?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Dr. Albert Schweitzer (1875-1965).Open pbs.org (opens in a new tab)
Albert Schweitzer died last night in his jungle hospital here. He was 90 years old.Open archive.nytimes.com (opens in a new tab)
Did the person die before the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person die before the year 1900?"}}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 1965, Lambaréné, Gabon.Open nobelprize.org (opens in a new tab)
Was the person primarily known for work in politics or government?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known for work in politics or government?"}}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)
Schweitzer devoted more than half a century to practicing medicine in a remote location.Open pbs.org (opens in a new tab)
Was the person primarily known for work in the arts or entertainment (music, film, literature, visual art)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known for work in the arts or entertainment (music, film, literature, visual art)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Nobel Peace Prize recognized Albert Schweitzer for his altruism and tireless humanitarian work; he was a doctor, missionary, philosopher and musician.Open nobelpeaceprize.org (opens in a new tab)
Schweitzer devoted more than half a century to practicing medicine in a remote location, and his humanitarianism affected many patients.Open pbs.org (opens in a new tab)
Doctor won Nobel Peace Prize for work in Africa; he was also noted as a musician and theologian.Open nytimes.com (opens in a new tab)
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 evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Doctor, Missionary, Philosopher and MusicianOpen nobelprize.org (opens in a new tab)
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)
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)
Was the person primarily known as an athlete or sports figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an athlete or sports figure?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Doctor, Missionary, Philosopher and Musician ... tireless humanitarian work ... built and ran a hospital at the mission station Lambarene in Gabon.Open nobelprize.org (opens in a new tab)
Albert Schweitzer ... Doctor, Missionary, Philosopher and Musician ... [awarded] for his altruism, reverence for life, and tireless humanitarian work.Open nobelpeaceprize.org (opens in a new tab)
Was the person primarily known as a business person or entrepreneur?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a business person or entrepreneur?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
Doctor, Missionary, Philosopher and MusicianOpen nobelprize.org (opens in a new tab)
Was the person primarily known as a religious figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a religious figure?"}}Was the person primarily known as an explorer or adventurer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an explorer or adventurer?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer — Doctor, Missionary, Philosopher and Musician; awarded for his altruism, reverence for life, and tireless humanitarian work.Open nobelpeaceprize.org (opens in a new tab)
Minister turned doctor in Africa; Theologian and philosopher.Open nobelprize.org (opens in a new tab)
Was the person known as an activist or social reformer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known as an activist or social reformer?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer in all of his facets, from theologian and philosopher to musician and physician, husband, writer, and political activist.Open academic.oup.com (opens in a new tab)
Was the person from the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person from the United States?"}}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) ... Residence at the time of the award: FranceOpen nobelprize.org (opens in a new tab)
Was the person from India?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person from India?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born 14 January 1875, Kaysersberg, Germany (now France).Open nobelprize.org (opens in a new tab)
Schweitzer was born in Alsace in the then German Empire.Open nobelprize.org (opens in a new tab)
Was the person a woman?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a woman?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer ... from theologian and philosopher to musician and physician, husband, writer, and political activist.Open academic.oup.com (opens in a new tab)
The Nobel Peace Prize for 1952 ... was given to him on December 10, 1953.Open nobelprize.org (opens in a new tab)
Was the person from Africa?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person from Africa?"}}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, Gabon.Open nobelprize.org (opens in a new tab)
Was the person from Europe?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person from Europe?"}}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)
Was the person from Germany?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person from Germany?"}}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)
Was the person known for resisting the Nazi regime?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known for resisting the Nazi regime?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer refused to cooperate with the Nazis and refused to return to Germany.Open academic.oup.com (opens in a new tab)
Was the person a member of the White Rose resistance group?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a member of the White Rose resistance group?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
There were just six members of the "White Rose" group: Hans Scholl, Alexander Schmorell, Sophie Scholl, Christoph Probst, Willi Graf and Kurt Huber.Open bbc.com (opens in a new tab)
Dietrich Bonhoeffer
German Lutheran pastor and theologian who resisted the Nazi regime and was executed in 1945
Validator rationale The proposal identifies Dietrich Bonhoeffer, whereas the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Lutheran pastor and theologian who resisted the Nazi regime and was executed in 1945","name":"Dietrich Bonhoeffer","question":null}}Did the person survive World War II (live beyond 1945)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person survive World War II (live beyond 1945)?"}}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 1965.Open nobelprize.org (opens in a new tab)
Martin Niemöller
German pastor and anti-Nazi activist famous for the confession 'First they came...', survived concentration camps and died in 1984
Validator rationale The trusted subject is Albert Schweitzer, while the proposal identifies Martin Niemöller, a different person.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German pastor and anti-Nazi activist famous for the confession 'First they came...', survived concentration camps and died in 1984","name":"Martin Niemöller","question":null}}Is the person famous for saving Jews during the Holocaust?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person famous for saving Jews during the Holocaust?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Prize motivation: “for his altruism, reverence for life”; Role: Missionary surgeon; Founder of Lambaréné.Open nobelprize.org (opens in a new tab)
He dedicated himself to medical studies, seeking to build and run a hospital in Africa to alleviate suffering. The hospital in Lambaréné became his life’s work.Open nobelprize.org (opens in a new tab)
The article discusses Schweitzer’s relationship to Judaism and notes his retrospective guilt regarding the Holocaust, rather than identifying him as a rescuer of Jews.Open cambridge.org (opens in a new tab)
Was the person involved in the July 20, 1944 plot to assassinate Hitler?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person involved in the July 20, 1944 plot to assassinate Hitler?"}}Was the person a lawyer or judge by profession?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a lawyer or judge by profession?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Profession: Doctor of Philosophy, Theology and Medicine. Musician and missionary.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was a physician, Protestant theologian, organist, and missionary.Open lbi.org (opens in a new tab)
Was the person a Catholic clergyman?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Catholic clergyman?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Ordained as a Lutheran pastor, he held doctorates in theology and philosophy.Open churchtimes.co.uk (opens in a new tab)
His father, Louis Schweitzer, was an Evangelical Lutheran pastor.Open mayoclinicproceedings.org (opens in a new tab)
Was the person a Protestant pastor or theologian?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a Protestant pastor or theologian?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer, theologian... was ordained to the Lutheran ministry and became a preacher and a lecturer in philosophy.Open justus.anglican.org (opens in a new tab)
Was the person imprisoned in a concentration camp during the Nazi era?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person imprisoned in a concentration camp during the Nazi era?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
After a brief period of imprisonment as a prisoner of war in a French internment camp between the years 1917–1918, Schweitzer resided in Europe for six more years before he returned once again to his Hospital in Lambaréné.Open history.rcp.ac.uk (opens in a new tab)
Schweitzer finally returned to Lambaréné in 1924 and remained there for the rest of his life.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Did the person die after 1980?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person die after 1980?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Died: 4 September 1965, Lambaréné, GabonOpen nobelprize.org (opens in a new tab)
Did the person hold the office of bishop in the Protestant church?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person hold the office of bishop in the Protestant church?"}}Was the person known for opposing the Nazi euthanasia program (Aktion T4)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known for opposing the Nazi euthanasia program (Aktion T4)?"}}Was the person a leading member of the Confessing Church (Bekennende Kirche)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a leading member of the Confessing Church (Bekennende Kirche)?"}}Friedrich von Bodelschwingh the Younger
German Protestant pastor and head of the Bethel Institution who resisted the Nazi euthanasia program, briefly elected Reich Bishop in 1933, died in 1946
Validator rationale The proposal identifies Friedrich von Bodelschwingh the Younger, a different person from Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Protestant pastor and head of the Bethel Institution who resisted the Nazi euthanasia program, briefly elected Reich Bishop in 1933, died in 1946","name":"Friedrich von Bodelschwingh the Younger","question":null}}Did the person spend most of the Nazi era in exile outside Germany?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person spend most of the Nazi era in exile outside Germany?"}}Was the person known as a pacifist or peace activist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person known as a pacifist or peace activist?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1957, widely respected humanitarian Albert Schweitzer gave a speech condemning atomic bombs.Open disarmament.blogs.pace.edu (opens in a new tab)
Schweitzer is celebrated ... as a catalyst of environmental and peace activism.Open barnesandnoble.com (opens in a new tab)
Friedrich Siegmund-Schultze
German Protestant theologian, pacifist, and social reformer who founded social settlement work in Berlin, opposed the Nazis and lived in exile in Switzerland, died 1969
Validator rationale The proposal identifies Friedrich Siegmund-Schultze, while the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Protestant theologian, pacifist, and social reformer who founded social settlement work in Berlin, opposed the Nazis and lived in exile in Switzerland, died 1969","name":"Friedrich Siegmund-Schultze","question":null}}Was the person associated with the religious socialist movement or socialism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person associated with the religious socialist movement or socialism?"}}Was the person recognized as Righteous Among the Nations by Yad Vashem?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person recognized as Righteous Among the Nations by Yad Vashem?"}}Wilhelm Mensching
German Protestant pastor and pacifist from Petzen who opposed the Nazis, hid a Jewish woman during the war, and led the Fellowship of Reconciliation work in Germany; died 1964
Validator rationale The proposal identifies Wilhelm Mensching, whereas the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Protestant pastor and pacifist from Petzen who opposed the Nazis, hid a Jewish woman during the war, and led the Fellowship of Reconciliation work in Germany; died 1964","name":"Wilhelm Mensching","question":null}}Did the person die in the 1960s?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person die in the 1960s?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Died: 4 September 1965, Lambaréné, GabonOpen nobelprize.org (opens in a new tab)
Was the person a university professor of theology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a university professor of theology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... was a theologian (professor at the theology school of Strasbourg).Open museeprotestant.org (opens in a new tab)
Schweitzer studied and taught at the University of Strasbourg's Protestant Faculty of Theology.Open schweitzer.org (opens in a new tab)
Hans Joachim Iwand
German Protestant theologian and professor, leading Confessing Church member who resisted the Nazis and became a prominent peace activist after the war; died 1960
Validator rationale The proposed identity is Hans Joachim Iwand, a different German theologian, whereas the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Protestant theologian and professor, leading Confessing Church member who resisted the Nazis and became a prominent peace activist after the war; died 1960","name":"Hans Joachim Iwand","question":null}}Paul Tillich
German-American Protestant theologian and professor, religious socialist dismissed by the Nazis in 1933 for opposing them, died in 1965
Validator rationale The trusted subject is Albert Schweitzer, while the proposed identity is Paul Tillich, a different theologian.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-American Protestant theologian and professor, religious socialist dismissed by the Nazis in 1933 for opposing them, died in 1965","name":"Paul Tillich","question":null}}Albert Schweitzer
Alsatian-German theologian, philosopher, physician, and Nobel Peace Prize-winning humanitarian and pacifist who founded a hospital in Lambaréné; died 1965
Validator rationale The proposed identity exactly matches Albert Schweitzer, including the distinctive Lambaréné hospital and Nobel Peace Prize details.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian-German theologian, philosopher, physician, and Nobel Peace Prize-winning humanitarian and pacifist who founded a hospital in Lambaréné; died 1965","name":"Albert Schweitzer","question":null}}