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 26 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 26
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 13m 43s
- Round cost
- $0.5508 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":"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 currently living?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person currently living?"}}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 Hospital. September 6, 1965.Open archive.nytimes.com (opens in a new tab)
2 · Answer check returns No
Q2
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.
Albert Schweitzer (1875 - 1965) — Gender Male.Open geni.com (opens in a new tab)
2 · Answer check returns Yes
Q3
1 · Guesser asks
Was the person born before the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born before 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)
2 · Answer check returns Yes
Q4
1 · Guesser asks
Was the person primarily known for political or governmental leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known for political or governmental leadership?"}}Oracle evidence3 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)
His fame as a theological scholar rests on his 1906 book The Quest of the Historical Jesus; he was also internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
He was above all a man of action and a pioneer of humanitarian aid.Open schweitzer.org (opens in a new tab)
2 · Answer check returns No
Q5
1 · Guesser asks
Was the person primarily known as a scientist, inventor, or mathematician?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a scientist, inventor, or mathematician?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Much of his fame as a theological scholar rests on The Quest of the Historical Jesus; he was also internationally known as a concert organist.Open nobelprize.org (opens in a new tab)
The award symbolized the near-universal admiration he attained through his life of devotion as a medical missionary in Africa; he is identified as a theologian, physician, and philosopher.Open ebsco.com (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks
Was the person primarily known as an artist, writer, composer, or musician?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an artist, writer, composer, or musician?"}}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
Q7
1 · Guesser asks
Was the person primarily known as a religious leader, prophet, or founder of a religion?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a religious leader, prophet, or founder of a religion?"}}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)
Schweitzer had to promise to serve only as a physician, not a minister, at the mission station in Africa.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Was the person primarily known as a military leader, soldier, or warrior?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a military leader, soldier, or warrior?"}}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 award to Albert Schweitzer of the Nobel Peace Prize symbolized the near-universal admiration he attained through his life of devotion as a medical missionary in Africa.Open ebsco.com (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks
Was the person primarily known as an explorer, navigator, or adventurer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an explorer, navigator, or adventurer?"}}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)
Albert Schweitzer was awarded the Nobel Peace Prize for his humanitarian work and philosophy of “reverence for life.”Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Was the person primarily known as a philosopher or thinker?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a philosopher or thinker?"}}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)
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon)Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q11
1 · Guesser asks
Was the person primarily known as a businessperson, industrialist, or entrepreneur?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a businessperson, industrialist, or entrepreneur?"}}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)
Albert Schweitzer was born into an Alsatian family devoted to religion, music, and education; he pursued intensive theological studies and earned doctorates in philosophy and theology.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser asks
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.
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)
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
Q13
1 · Guesser asks
Was the person primarily known as an actor, performer, or entertainer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an actor, performer, or entertainer?"}}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)
Much of his fame as a theological scholar rests on The Quest of the Historical Jesus; he was also recognized as an internationally known concert organist.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q14
1 · Guesser asks
Was the person primarily known as a criminal, outlaw, or assassin?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as a criminal, outlaw, or assassin?"}}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
Q15
1 · Guesser asks
Was the person born before the year 1800?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born before the year 1800?"}}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)
2 · Answer check returns No
Q16
1 · Guesser asks
Was the person born in Europe?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born in Europe?"}}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
Q17
1 · Guesser asks
Was the person born in the United Kingdom?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born in the United Kingdom?"}}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 in France), on January 14, 1875.Open britannica.com (opens in a new tab)
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace, in the Imperial Territory of Alsace-Lorraine in the German Empire.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q18
1 · Guesser asks
Was the person born in France?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born in France?"}} 2 · Answer check returns Unknown
Q19
1 · Guesser asks
Was the person born in Germany?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born in Germany?"}}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)
2 · Answer check returns Yes
Q20
1 · Guesser asks
Was the person primarily known for work in medicine, psychology, or psychiatry?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known for work in medicine, psychology, or psychiatry?"}} 2 · Answer check returns Unknown
Q21
1 · Guesser asks
Was the person born after 1850?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born after 1850?"}}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)
2 · Answer check returns Yes
Q22
1 · Guesser asks
Was the person primarily known as an architect?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person primarily known as an architect?"}}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)
Albert Schweitzer was a physician, philosopher, theologian, organist and humanitarian. He was German and French and is known for his charitable work including opening a hospital in Africa.Open michiganpublic.org (opens in a new tab)
2 · Answer check returns No
Q23
1 · Guesser asks
Was the person born after 1870?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born after 1870?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer is born on January 14, 1875 in Upper-Alsace, Germany.Open history.com (opens in a new tab)
2 · Answer check returns Yes
Q24
1 · Guesser asks
Was the person born after 1880?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person born after 1880?"}}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)
2 · Answer check returns No
Q25
1 · Guesser asks
Was the person awarded a Nobel Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person awarded a Nobel Prize?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer — Nobel Peace Prize 1952Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q26
1 · Guesser asks
Did the person spend a significant part of their life working in Africa?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person spend a significant part of their life working in Africa?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1913 ... he founded his hospital at Lambaréné in French Equatorial Africa ... Schweitzer returned to Lambaréné in 1924 and except for relatively short periods of time, spent the remainder of his life there.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Albert Schweitzer
German-born Nobel Peace Prize laureate, physician and humanitarian who ran a hospital in Lambaréné, Gabon
Validator rationale The proposed identity exactly matches Albert Schweitzer and the identifying details are consistent.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-born Nobel Peace Prize laureate, physician and humanitarian who ran a hospital in Lambaréné, Gabon","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes