You are the Guesser in a Twenty Questions benchmark. Identify the hidden subject using as few counted turns as possible. BEGIN provides only its broad category. The variation_token has no clues; do not interpret, mention, or repeat it. The category in BEGIN has a broad meaning: - person: a real human, living or historical. - fictional_character: an invented character from a story, book, comic, film, television, game, or another fictional work. - mythological_figure: a figure from mythology or traditional legend. - video_game_character: a character known from video games. - thing: a broad category covering natural and human-made entities, living or nonliving, whole entities or parts of them. Possibilities include everyday objects, tools, machines, materials, food, animals, plants, body parts, natural structures, geographical features, celestial bodies, natural phenomena, and concepts. These possibilities are not exhaustive. The target may be a general kind or one particular instance. Use questions to narrow the supplied category. These definitions are not a list of targets. Use ASK for a factual question that distinguishes candidates. Never use ASK to confirm a specific identity. Use GUESS with a name and short identifying description to name a candidate. ASK has five possible replies: - YES or NO: the evidence establishes that answer to the exact question. - RATHER_YES or RATHER_NO: evidence leans that way, but is not strong enough for a firm answer. Treat this as a clue; keep candidates fitting the opposite answer possible. - UNKNOWN: no reliable direction. It supports neither answer. Ask clear questions about verifiable properties. "Can", "sometimes", "usually", "always", and "mainly" ask different things. Do not assume that one property proves another or rules out alternatives. Qualified replies express uncertainty about your question, not how often a property applies. Before narrowing heavily, check your key assumption with a different property. After rejected guesses, reconsider earlier assumptions as well as candidates. Answers can be mistaken; check another property when stuck. Do not ignore an answer merely because it conflicts with a preferred candidate. Each ASK, rejected GUESS, or format error before the limit costs one turn. A correct GUESS costs none. After 40 counted turns, make one final GUESS; ASK is then forbidden. Identity validation uses only YES, NO, or UNKNOWN. UNKNOWN on GUESS ends the game without success. FORMAT_ERROR means your output broke the contract, was not checked for correctness, and cost one turn. Retry using its displayed formats if a turn remains. Return only the required JSON object with exactly one result action. No explanations, reasoning, or extra fields.
Round 1
Round 1
Identified Albert Schweitzer in 18 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 18
- Outcome
- Solved
- Format errors
- Errors found View one example
- Duration
- 3m 31s
- Round cost
- $0.1061 All 19 turns
Format warning
The model sent replies in the wrong format.
The Guesser sent 1 invalid reply. Each one before the question limit used up a counted turn. The model was only reminded of the required format; it was never told whether its question or guess was correct.
- Valid format
- 94.7%
- Format errors
- 1
- Turns used by format errors
- 1
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 alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person currently alive?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biography states that Albert Schweitzer died on September 4, 1965, and was buried at Lambaréné.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica identifies Albert Schweitzer as born January 14, 1875, and died September 4, 1965, in Lambaréné, Gabon.
Open britannica.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 evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes Albert Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor, and states that he was “the eldest son of a Lutheran pastor.”
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography identifies Albert Schweitzer as a missionary surgeon and states that he built and ran a hospital at Lambaréné together with his wife, who was a nurse.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Yes
Q3
1 · Guesser asks
Is the person primarily known for political leadership or as a political figure?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for political leadership or as a political figure?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
The Nobel Prize biography describes Schweitzer as an internationally known concert organist, musicologist, theologian, physician, and medical missionary who established and supported a hospital in Africa.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica characterizes Albert Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace for efforts on behalf of “the Brotherhood of Nations.”
Open britannica.com (opens in a new tab) 2 · Answer check returns No
Q4
1 · Guesser asks
Is the person primarily known for contributions to science, mathematics, or engineering?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for contributions to science, mathematics, or engineering?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Foundation identifies Albert Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and states that the prize was awarded “for his altruism, reverence for life, and tireless humanitarian work.” It also describes him as a gifted musician and interpreter of Bach.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel biography describes Schweitzer as an internationally known concert organist, musicologist, physician, and medical missionary who went to Africa to establish and run a hospital. It does not characterize him as primarily known for scientific, mathematical, or engineering contributions.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q5
1 · Guesser asks
Is the person primarily known for achievements in sports?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for achievements in sports?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer — Facts. Born: 14 January 1875... Role: Missionary surgeon; Founder of Lambaréné... Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also describes him as a gifted musician and interpreter of Bach.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace for his efforts in behalf of “the Brotherhood of Nations.”
Open britannica.com (opens in a new tab)Source summary (model-reported)
Albert Schweitzer received the 1952 Nobel Peace Prize for his philosophy of “Reverence for Life.”
Open en.wikipedia.org (opens in a new tab) 2 · Answer check returns No
Q6
1 · Guesser asks
Is the person primarily known for contributions to the arts (e.g., literature, music, visual arts, acting)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for contributions to the arts (e.g., literature, music, visual arts, acting)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, and states that he received the 1952 Nobel Prize for Peace for efforts on behalf of “the Brotherhood of Nations.” It also reports that he established a hospital in Lambaréné.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography says Schweitzer was recognized internationally as a concert organist and wrote about Bach and organ building, but also states that he chose to go to Africa as a medical missionary and began studying medicine in 1905.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The article says Schweitzer’s musical talent earned international recognition and that he continued performing as an organist, but also states that he dedicated his life to the healing profession and later pursued a medical career after learning of the need for physicians in Gabon.
Open pmc.ncbi.nlm.nih.gov (opens in a new tab) 2 · Answer check returns No
Q7
1 · Guesser asks
Is the person primarily known for religious or spiritual leadership (e.g., saint, priest, prophet, religious reformer)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for religious or spiritual leadership (e.g., saint, priest, prophet, religious reformer)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Role: Missionary surgeon; Founder of Lambaréné. Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also states that he studied theology and became a priest, but then studied medicine and built and ran a hospital at Lambaréné.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work. The page describes him as a theologian and philosopher who dedicated himself to medical studies and made the Lambaréné hospital his life’s work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica describes Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace for efforts on behalf of “the Brotherhood of Nations.”
Open britannica.com (opens in a new tab) 2 · Answer check returns No
Q8
1 · Guesser asks
Is the person primarily known as a businessperson, entrepreneur, or industrialist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known as a businessperson, entrepreneur, or industrialist?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... 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)
Source summary (model-reported)
Schweitzer was recognized as an internationally known concert organist, musicologist, and performer. He studied medicine and went to Africa as a medical missionary.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
A theologian, Albert Schweitzer ... 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) 2 · Answer check returns No
Q9
1 · Guesser asks
Is the person primarily known for exploration or as an explorer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for exploration or as an explorer?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biography identifies Albert Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and describes his humanitarian work, medical studies, hospital at Lambaréné, philosophy, and musical career.
Open nobelprize.org (opens in a new tab)Yale Archives describes Albert Schweitzer (1875–1965) as an “Alsatian theologian, organist, writer, humanitarian, philosopher, and physician.”Open archives.yale.edu (opens in a new tab)
Source summary (model-reported)
The Nobel Prize biography emphasizes Schweitzer's international recognition as a concert organist, his theological and musical writings, his medical education, and his decision to go to Africa as a medical missionary.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q10
1 · Guesser asks
Is the person primarily known as a philosopher?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known as a philosopher?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
Schweitzer was internationally known as a concert organist, studied medicine, and went to Africa as a medical missionary. He later obtained his M.D.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Britannica describes him as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, and says he received the 1952 Nobel Prize for Peace for efforts on behalf of the “Brotherhood of Nations.”
Open britannica.com (opens in a new tab) 2 · Answer check returns No
Q11
1 · Guesser asks
Is the person primarily known as a military figure or commander?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known as a military figure or commander?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes Albert Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize site lists Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and gives the prize motivation as recognition of his altruism, reverence for life, and tireless humanitarian work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
PBS describes Schweitzer as a renowned medical missionary, notes that he founded a hospital in Lambaréné, and states that he won the Nobel Peace Prize in 1952.
Open pbs.org (opens in a new tab) 2 · Answer check returns No
Q12
1 · Guesser asks
Is the person primarily known for being a criminal, such as a murderer, serial killer, or gangster?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for being a criminal, such as a murderer, serial killer, or gangster?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... Role: Missionary surgeon; Founder of Lambaréné (République de Gabon) ... Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work which has helped making the idea of brotherhood between men and nations a living one.”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
Schweitzer was recognized as an internationally known concert organist, became a musicologist and performer, studied medicine, and went to Africa as a medical missionary. He later obtained his M.D.
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)
2 · Answer check returns No
Q13
1 · Guesser asks
Is the person primarily known for journalism, such as being a news reporter, anchor, or correspondent?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for journalism, such as being a news reporter, anchor, or correspondent?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
Schweitzer was recognized as an internationally known concert organist. He studied medicine and went to Africa as a medical missionary; he also wrote works on Bach and organ building and playing.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The page describes Schweitzer as a theologian and philosopher who dedicated himself to medical studies, built and ran a hospital in Africa, and received the Nobel Peace Prize for his philosophy and humanitarian work.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q14
1 · Guesser asks
Is the person primarily known for contributions to law, such as being a lawyer, judge, or legal scholar?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for contributions to law, such as being a lawyer, judge, or legal scholar?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes Albert Schweitzer as an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, and notes that he received the 1952 Nobel Prize for Peace. It also states that he studied philosophy and theology and later became a mission doctor and established a hospital in Lambaréné.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography identifies Schweitzer's role as “Missionary surgeon; Founder of Lambaréné” and describes him as a doctor, missionary, philosopher, and musician. It says he studied theology, later studied medicine, and built and ran a hospital at Lambaréné in Gabon.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel Prize biography states that Schweitzer was recognized internationally as a concert organist, wrote about Bach and organ building, studied medicine at the University of Strasbourg, and obtained his M.D. in 1913 before going to Africa as a medical missionary.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns No
Q15
1 · Guesser asks
Is the person primarily known for humanitarian or philanthropic work?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the person primarily known for humanitarian or philanthropic work?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work which has helped making the idea of brotherhood between men and nations a living one”. ... 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)
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work. ... 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)
2 · Answer check returns Yes
Q16
1 · Guesser asks
Did the person found the International Red Cross (Red Cross and Red Crescent) organization?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person found the International Red Cross (Red Cross and Red Crescent) organization?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Movement’s origins begin with the ICRC, which was created in 1863 by Swiss humanitarian Henry Dunant.Open icrc.org (opens in a new tab)
Among its five founding members was a local man named Henry Dunant. By the end of the year, the committee had brought together government representatives to agree on Dunant’s proposal for national relief societies.Open icrc.org (opens in a new tab)
The International Committee of the Red Cross was founded in 1863 on the initiative of the Swiss Henry Dunant.Open nobelprize.org (opens in a new tab)
2 · Answer check returns No
Q17
1 · Guesser asks
Did the person receive a Nobel Peace Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did the person receive a Nobel Peace Prize?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Peace Prize 1952 was awarded to Albert Schweitzer ... Albert Schweitzer received his Nobel Prize one year later, in 1953.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer ... Nobel Peace Prize 1952 ... Albert Schweitzer received his Nobel Prize one year later, in 1953. Prize share: 1/1.
Open nobelprize.org (opens in a new tab) 2 · Answer check returns Yes
Q18
1 · Guesser reply rejectedTurn counted
Reply in the wrong format.
Output limit exceeded · fixed format reminder sent
Why this reply was rejectedOutput limit exceeded · turn 18
The reply hit the output length limit before it was complete.
- Recorded type
output_limit_exceeded- Turn
- 18
- Counted
- Yes · question 18
- Feedback
- FORMAT_ERROR
The provider returned no text.
{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}} A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.
2 · System responseFORMAT
G
1 · Guesser guessesNot counted
Albert Schweitzer
German-French physician, humanitarian, and Nobel Peace laureate known for his medical missionary work in Africa.
Validator rationale The proposed identity names Albert Schweitzer and the description matches the specified historical person.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"German-French physician, humanitarian, and Nobel Peace laureate known for his medical missionary work in Africa.","name":"Albert Schweitzer","question":null}} 2 · Validator returns Yes