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 22 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 22
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 9m 56s
- Round cost
- $0.6780 All 23 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 this person currently alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person currently alive?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer — Died: 4 September 1965, Lambaréné, GabonOpen nobelprize.org (opens in a new tab)
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 evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer died on September 4, 1965, and was buried at Lambaréné.Open nobelprize.org (opens in a new tab)
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?"}}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 evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Died: Sept. 4, 1965, Lambaréné, Gabon (aged 90)Open britannica.com (opens in a new tab)
Albert Schweitzer died on September 4, 1965, at the age of 90, in his modest quarters at Lambaréné.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Is this person female?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person female?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
He was a theologian, organist, musicologist, writer, humanitarian, philosopher, and physician.Open en.wikipedia.org (opens in a new tab)
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 evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born in Kaysersberg, Upper Alsace, Germany (now in France), on January 14, 1875.Open britannica.com (opens in a new tab)
Was this person primarily known as a politician or ruler?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as a politician or ruler?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Together with his wife, who was a nurse, he built and ran a hospital at the mission station Lambarene in Gabon. This effort became an example to others. Albert Schweitzer was also a gifted musician and interpreter of Bach.Open nobelprize.org (opens in a new tab)
an Alsatian-German theologian, philosopher, organist, and mission doctor, gained international recognition for his multifaceted work and was awarded the 1952 Nobel Peace Prize.Open britannica.com (opens in a new tab)
Was this person primarily known for work in science, mathematics, or technology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for work in science, mathematics, or technology?"}}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. The overarching principle that guided him was ‘reverence for life’.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Schweitzer sought to preserve all life. His philosophy was completely life affirming, and is summed up by his motto: “Reverence for life”.Open nobelprize.org (opens in a new tab)
Was this person primarily known as an artist, writer, musician, or entertainer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an artist, writer, musician, or entertainer?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
His theological work, The Quest of the Historical Jesus, established him as a world figure; he was also an accomplished musician.Open britannica.com (opens in a new tab)
The Quest of the Historical Jesus, a book on which much of his fame as a theological scholar rests.Open nobelprize.org (opens in a new tab)
Was this person primarily known as a philosopher, economist, or social theorist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as a philosopher, economist, or social theorist?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... was an Alsatian-German religious philosopher, musicologist, and medical missionary in Africa. He was known especially for founding the Schweitzer Hospital.Open encyclopedia.com (opens in a new tab)
Albert Schweitzer ... an Alsatian-German theologian, philosopher, organist, and mission doctor, gained international recognition for his multifaceted work and was awarded the 1952 Nobel Peace Prize.Open britannica.com (opens in a new tab)
Was this person a member of the military or an armed force?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a member of the military or an armed force?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer served his one-year compulsory military service in 1894.Open en.wikipedia.org (opens in a new tab)
Did this person serve in World War II?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person serve in World War II?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
From 1939 to 1948, he stayed in Lambaréné, unable to return to Europe because of the war.Open en.wikipedia.org (opens in a new tab)
Schweitzer served his one-year compulsory military service in 1894.Open en.wikipedia.org (opens in a new tab)
Did this person travel into outer space?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person travel into outer space?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
This database includes all those who have flown to an altitude of 100 kilometers or higher, the definition of “outer space” used by the World Air Sports Federation.Open aerospace.csis.org (opens in a new tab)
Albert Schweitzer — Born: 14 January 1875; Died: 4 September 1965; Role: Missionary surgeon; Founder of Lambaréné.Open nobelprize.org (opens in a new tab)
Did this person serve in World War I?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person serve in World War I?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1917 he and his wife were sent to a French internment camp as prisoners of war.Open nobelprize.org (opens in a new tab)
Schweitzer served his one-year compulsory military service in 1894; during World War I he was put under French military supervision and later interned.Open en.wikipedia.org (opens in a new tab)
Was this person born in or after the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in or after the year 1900?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (January 14, 1875-September 4, 1965) was born into an Alsatian family.Open nobelprize.org (opens in a new tab)
Is this person primarily known for their military career?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known for their military career?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer, the well-known medical missionary in Gabon ... His ethical philosophy rested on the concept of “reverence for life.”Open nobelprize.org (opens in a new tab)
The Quest of the Historical Jesus ... is a book on which much of his fame as a theological scholar rests.Open nobelprize.org (opens in a new tab)
Was this person primarily known for their involvement in religion or religious leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their involvement in religion or religious leadership?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer is best known as a great humanitarian... His best-known written work was Quest of the Historical Jesus. But before he went to Africa he became widely known... as a theologian.Open equip.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)
Was this person primarily known for their involvement in sports or athletics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their involvement in sports or athletics?"}}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)
At Lambaréné, he was doctor and surgeon in the hospital, pastor of a congregation, administrator of a village, writer, and musician.Open nobelprize.org (opens in a new tab)
Was this person primarily known as an explorer, pioneer, or aviator?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an explorer, pioneer, or aviator?"}}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, an Alsatian-German theologian, philosopher, organist, and mission doctor, gained international recognition for his multifaceted work and was awarded the 1952 Nobel Peace Prize.Open britannica.com (opens in a new tab)
Was this person primarily known for their involvement in business, commerce, or industry?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their involvement in business, commerce, or industry?"}}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 lived his philosophy of “reverence for life” by becoming a medical doctor and establishing a hospital in Lambaréné, Gabon, where he dedicated himself to philanthropic work.Open britannica.com (opens in a new tab)
Was this person primarily known as an activist, reformer, or humanitarian?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an activist, reformer, or humanitarian?"}}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)
For his medical and humanitarian works, Schweitzer won many awards, including ... the Nobel Peace Prize.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
Did this person receive a Nobel Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person receive a Nobel Prize?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer — Nobel Peace Prize 1952.Open nobelprize.org (opens in a new tab)
The Nobel Peace Prize 1952 was awarded to Albert Schweitzer.Open nobelprize.org (opens in a new tab)
Albert Schweitzer
Alsatian polymath, theologian, physician, and Nobel Peace Prize laureate
Validator rationale The proposed name and description match Albert Schweitzer, the trusted subject.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian polymath, theologian, physician, and Nobel Peace Prize laureate","name":"Albert Schweitzer","question":null}}