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 4
Round 4
Identified Albert Schweitzer in 16 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 16
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 6m 6s
- Round cost
- $0.5868 All 17 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":"BYOMPCJW"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Q1
1 · Guesser asks
Is this person alive today?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person alive today?"}}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)
2 · Answer check returns No
Q2
1 · Guesser asks
Was this person born before 1800?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born before 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
Q3
1 · Guesser asks
Is this person best known for work in the arts or entertainment, such as writing, music, acting, or visual art?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person best known for work in the arts or entertainment, such as writing, music, acting, or visual art?"}}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 was awarded the Nobel Peace Prize “for his altruism, reverence for life, and tireless humanitarian work.”Open nobelpeaceprize.org (opens in a new tab)
2 · Answer check returns No
Q4
1 · Guesser asks
Was this person a political leader or government official?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a political leader or government official?"}} 2 · Answer check returns Unknown
Q5
1 · Guesser asks
Is this person known for contributions to science, mathematics, or invention?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for contributions to science, mathematics, or invention?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer received the Nobel Peace Prize “for his altruism, reverence for life, and tireless humanitarian work.”Open nobelprize.org (opens in a new tab)
Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor... He received the 1952 Nobel Prize for Peace for his work on behalf of the “Brotherhood of Nations.”Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks
Was this person born in the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in the United States?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace.Open en.wikipedia.org (opens in a new tab)
Albert Schweitzer ... was born in Kaysersberg.Open visit.alsace (opens in a new tab)
2 · Answer check returns No
Q7
1 · Guesser asks
Was this person known for religious leadership or social activism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person known for religious leadership or social activism?"}}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)
He received his licentiate in theology in 1900. He began preaching at St.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q8
1 · Guesser asks
Did this person hold a formal religious role, such as priest, monk, nun, or religious minister?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person hold a formal religious role, such as priest, monk, nun, or religious minister?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1899, Schweitzer became a deacon at the church of Saint Nicholas in Strasbourg. In 1900, he was ordained as a priest.Open en.wikipedia.org (opens in a new tab)
Puis il devient pasteur de l'Eglise Saint-Nicolas de Strasbourg.Open centreschweitzer.org (opens in a new tab)
2 · Answer check returns Yes
Q9
1 · Guesser asks
Was this person a member of the Roman Catholic Church?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a member of the Roman Catholic Church?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A lifelong Lutheran, Schweitzer challenged both the secular and traditional Christian views of Jesus.Open uua.org (opens in a new tab)
Schweitzer became the pastor of Saint Nicholas Church in Strasbourg and worked at the Theological College of Saint Thomas.Open pmc.ncbi.nlm.nih.gov (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Was this person born in Asia?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in Asia?"}}Oracle evidence2 model-reported sources
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)
I was born on 14 January 1875 in Kaysersberg, in Upper Alsace.Open schweitzer.org (opens in a new tab)
2 · Answer check returns No
Q11
1 · Guesser asks
Was this person born in Africa?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in 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)Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser asks
Was this person a Protestant Christian minister or theologian?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a Protestant Christian minister or theologian?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was an Alsatian-German theologian ... and a preacher at St. Nicholas’ Church.Open britannica.com (opens in a new tab)
He undertook intensive theological studies ... obtained a licentiate in theology in 1900. He began preaching at St. Nicholas’ Church.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
Q13
1 · Guesser asks
Was this person born in what is now Germany or in a territory that was part of Germany at the time?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in what is now Germany or in a territory that was part of Germany at the time?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1875, when Albert was born, Alsace was German and became part of the Reichsland Elsass-Lothringen: the imperial territory of Alsace Lorraine.Open schweitzer.org (opens in a new tab)
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace, in what had less than four years previously become the Imperial Territory of Alsace-Lorraine in the German Empire.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns Yes
Q14
1 · Guesser guesses
Dietrich Bonhoeffer
German Lutheran pastor and theologian who opposed the Nazi regime and was executed in 1945.
Validator rationale The proposal identifies Dietrich Bonhoeffer, while the trusted subject is Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German Lutheran pastor and theologian who opposed the Nazi regime and was executed in 1945.","name":"Dietrich Bonhoeffer","question":null}} 2 · Validator returns No
Q15
1 · Guesser asks
Was this person imprisoned in a Nazi concentration camp?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person imprisoned in a Nazi concentration camp?"}}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. Released in 1918.Open nobelprize.org (opens in a new tab)
When World War I broke out, the German-born Schweitzers were sent to a French internment camp as prisoners of war. Released in 1918.Open history.com (opens in a new tab)
2 · Answer check returns No
Q16
1 · Guesser asks
Did this person receive the Nobel Peace Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person receive the Nobel Peace Prize?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Nobel Peace Prize 1952 was awarded to Albert Schweitzer.Open nobelprize.org (opens in a new tab)
Albert Schweitzer received his Nobel Prize one year later, in 1953.Open nobelprize.org (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Albert Schweitzer
Alsatian theologian, physician, and humanitarian who founded a hospital in Lambaréné and received the 1952 Nobel Peace Prize.
Validator rationale The proposed identity exactly matches Albert Schweitzer and includes matching biographical details: his Alsatian background, roles, Lambaréné hospital, and 1952 Nobel Peace Prize.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian theologian, physician, and humanitarian who founded a hospital in Lambaréné and received the 1952 Nobel Peace Prize.","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes