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 5
Round 5
Identified Albert Schweitzer in 17 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 17
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 7m 54s
- Round cost
- $0.2922 All 18 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":"XSZW5TRZ"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Is the person currently alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person currently alive?"}}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, GabonOpen nobelprize.org (opens in a new tab)
Is the person primarily known for politics, government, or military leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for politics, government, or military leadership?"}}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 was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa.Open britannica.com (opens in a new tab)
Is the person primarily known for contributions to science, mathematics, or technology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for contributions to science, mathematics, or technology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.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)
Is the person primarily known for work in the arts or entertainment, such as music, film, theater, or visual art?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for work in the arts or entertainment, such as music, film, theater, or visual art?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.org (opens in a new tab)
Albert Schweitzer was a physician, Protestant theologian, organist, and missionary, ... primarily for his work at his hospital at Lambaréné.Open lbi.org (opens in a new tab)
Is the person primarily known for athletic competition or sports?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for athletic competition or sports?"}}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)
Doctor, Missionary, Philosopher and Musician.Open nobelprize.org (opens in a new tab)
Is the person primarily known for philosophy, religion, or spiritual leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for philosophy, religion, or spiritual leadership?"}}Is the person widely regarded as the founder or central figure of a major world religion?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person widely regarded as the founder or central figure of a major world religion?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Doctor, Missionary, Philosopher and Musician... He studied theology and became a priest... Together with his wife... he built and ran a hospital at the mission station Lambarene in Gabon.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was a devout Christian... Minister turned doctor in Africa... Theologian and philosopher.Open nobelprize.org (opens in a new tab)
Is the person primarily known as a writer, poet, or author of literary works?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known as a writer, poet, or author of literary works?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.org (opens in a new tab)
Is the person primarily known for exploration, navigation, or geographic discovery?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for exploration, navigation, or geographic discovery?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.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)
Is the person primarily known for business, industry, or finance?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for business, industry, or finance?"}}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)
Albert Schweitzer, a physician, musician and humanitarian best known for his philosophy of “reverence for life.”Open news.uthscsa.edu (opens in a new tab)
Is the person primarily known for criminal activity, such as being a murderer, outlaw, or organized crime figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for criminal activity, such as being a murderer, outlaw, or organized crime figure?"}}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 peaceprizelaureates.nobelpeacecenter.org (opens in a new tab)
Profession: Doctor of Philosophy, Theology and Medicine. Musician and missionary.Open nobelprize.org (opens in a new tab)
Is the person primarily known for medicine, nursing, or public health?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for medicine, nursing, or public health?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
He is best known for founding the mission hospital at Lambaréné, providing medical aid to thousands.Open artuk.org (opens in a new tab)
He was awarded the Nobel Peace Prize for 1952, primarily for his work at his hospital at Lambaréné.Open lbi.org (opens in a new tab)
Did the person live primarily before the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person live primarily before the year 1900?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer was born 14 January 1875 and died 4 September 1965.Open nobelprize.org (opens in a new tab)
Did the person receive a Nobel Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person receive a Nobel Prize?"}}Oracle evidence1 model-reported source
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)
Was the person awarded the Nobel Peace Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person awarded the Nobel Peace Prize?"}}Oracle evidence1 model-reported source
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)
Was the person a trained medical doctor or physician?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the person a trained medical doctor or physician?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In 1913 Schweitzer received his medical degree.Open kids.britannica.com (opens in a new tab)
Accordingly studied medicine.Open nobelprize.org (opens in a new tab)
Did the person work as a medical missionary in Africa?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person work as a medical missionary in Africa?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Dr. Albert Schweitzer, a renowned medical missionary with a complicated historyOpen pbs.org (opens in a new tab)
Albert Schweitzer
Alsatian physician, theologian, and philosopher who won the 1952 Nobel Peace Prize and founded a hospital as a medical missionary in Lambaréné, Gabon, Africa.
Validator rationale The proposed identity exactly matches Albert Schweitzer, including his profession, 1952 Nobel Peace Prize, and hospital founded at Lambaréné.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian physician, theologian, and philosopher who won the 1952 Nobel Peace Prize and founded a hospital as a medical missionary in Lambaréné, Gabon, Africa.","name":"Albert Schweitzer","question":null}}