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.
- Questions
- 26
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 23m 29s
- Round cost
- $1.4783 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":"mythological_figure","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
Does this figure originate from Greek or Roman mythology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this figure originate from Greek or Roman mythology?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The story of Achilles originated in Greek mythology.Open ebsco.com (opens in a new tab)
2 · Answer check returns Yes
Q2
1 · Guesser asks
Is this figure considered a god or deity?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this figure considered a god or deity?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Achilles was not just venerated with a localized hero cult, but also worshipped as a god at many other sites in the Greek world.Open cambridge.org (opens in a new tab)
2 · Answer check returns Yes
Q3
1 · Guesser asks
Is this deity traditionally depicted as male?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity traditionally depicted as male?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Achilles, in Greek mythology, son of the mortal Peleus ... and the Nereid Thetis ... was the bravest, handsomest, and greatest warrior.Open britannica.com (opens in a new tab)
The warrior Achilles is one of the great heroes of Greek mythology.Open history.com (opens in a new tab)
2 · Answer check returns Yes
Q4
1 · Guesser asks
Is this deity traditionally counted among the Twelve Olympians?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity traditionally counted among the Twelve Olympians?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
The thirteen Greek gods and goddesses, along with their Roman counterparts, most commonly considered to be one of the twelve Olympians are listed below; Achilles is not included.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q5
1 · Guesser asks
Is this deity primarily associated with the Underworld or the dead?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity primarily associated with the Underworld or the dead?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
The Odyssey depicts Achilles as one of the spirits Odysseus encounters in the underworld.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks
Is this deity considered to be a Titan?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity considered to be a Titan?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
He was the son of Peleus, king of the Myrmidons, and Thetis, a sea nymph.Open britannica.com (opens in a new tab)
The Titans are identified as figures such as Oceanus, Coeus, Crius, Hyperion, Iapetus, and Cronus, with their sisters including Rhea, Themis, Mnemosyne, Phoebe, and Tethys.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q7
1 · Guesser asks
Is this deity primarily associated with love, passion, or desire?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity primarily associated with love, passion, or desire?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Achilles was the bravest, handsomest, and greatest warrior of the army of Agamemnon in the Trojan War.Open britannica.com (opens in a new tab)
The hero of the Trojan War, leader of the Myrmidons, slayer of Hector and Greece's greatest warrior.Open worldhistory.org (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Is this deity associated with nature, shepherds, or the wilderness?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity associated with nature, shepherds, or the wilderness?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Achilles was a demigod, not a god ... and he is not the god of anything.Open greekmythology.com (opens in a new tab)
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks
Is this deity associated with the sea, rivers, or water?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity associated with the sea, rivers, or water?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Born to the mortal king Peleus and the sea nymph Thetis, Achilles was dipped in the magical River Styx as a child by his mother.Open britannica.com (opens in a new tab)
Thetis dipped him in the waters of the River Styx, by which means he became invulnerable.Open britannica.com (opens in a new tab)
2 · Answer check returns Yes
Q10
1 · Guesser asks
Is this deity traditionally depicted with the lower body or tail of a fish?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity traditionally depicted with the lower body or tail of a fish?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
The male head ... in a statue of Achilles and Penthesilea ... with an Attic parade helmet.Open museodelprado.es (opens in a new tab)
2 · Answer check returns No
Q11
1 · Guesser asks
Is this deity primarily associated with rivers or freshwater?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity primarily associated with rivers or freshwater?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
Speculations about his being an old water divinity have been based on his descent from the Nereid Thetis and similarities between his name and those of river deities.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser guesses
Nereus
An elder sea god and father of the Nereids in Greek mythology
Validator rationale The proposal identifies Nereus, an elder sea god, while the trusted subject is Achilles, the Greek mythological hero.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"An elder sea god and father of the Nereids in Greek mythology","name":"Nereus","question":null}} 2 · Validator returns No
Q13
1 · Guesser asks
Is this deity known for the ability to change his shape?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity known for the ability to change his shape?"}} 2 · Answer check returns Unknown
Q14
1 · Guesser asks
Is this deity considered a primordial deity (Protogenos)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity considered a primordial deity (Protogenos)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Achilles was a demigod, not a god.Open greekmythology.com (opens in a new tab)
The primordial gods or "Protogenoi" of Greek mythology were the most basic components of the universe which emerged fully-formed at creation.Open theoi.com (opens in a new tab)
The Greek hero Achilles ...Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q15
1 · Guesser asks
Was this deity originally born as a mortal human?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this deity originally born as a mortal human?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Thetis ends up married to the mortal Peleus and Achilles is born.Open britishmuseum.org (opens in a new tab)
2 · Answer check returns Yes
Q16
1 · Guesser asks
Is this deity associated with the Isthmian Games?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity associated with the Isthmian Games?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The games were dedicated to Poseidon and to Palaimon, a hero from one of the foundation myths.Open ancientolympics.arts.kuleuven.be (opens in a new tab)
Achilles | Odyssey, Iliad, Patroclus, Myth, Significance, Trojan War, Helen of Troy, Tendon, HeelOpen britannica.com (opens in a new tab)
2 · Answer check returns No
Q17
1 · Guesser guesses
Glaucus
A Greek mortal fisherman who was transformed into an immortal sea god after eating a magical herb
Validator rationale The proposal identifies Glaucus, a different mythological figure, not Achilles.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A Greek mortal fisherman who was transformed into an immortal sea god after eating a magical herb","name":"Glaucus","question":null}} 2 · Validator returns No
Q18
1 · Guesser asks
Did this figure originate specifically in Roman mythology, rather than Greek mythology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this figure originate specifically in Roman mythology, rather than Greek mythology?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The warrior Achilles is one of the great heroes of Greek mythology.Open history.com (opens in a new tab)
In Greek mythology, Achilles (or Achilleus) was a hero of the Trojan War.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q19
1 · Guesser guesses
Castor
The mortal twin brother of Pollux and one of the Dioscuri, who was deified and became a patron of sailors
Validator rationale The proposal identifies Castor, while the trusted subject is Achilles.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"The mortal twin brother of Pollux and one of the Dioscuri, who was deified and became a patron of sailors","name":"Castor","question":null}} 2 · Validator returns No
Q20
1 · Guesser asks
Is this deity associated with the constellation Gemini?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity associated with the constellation Gemini?"}} 2 · Answer check returns Unknown
Q21
1 · Guesser asks
Is this deity primarily associated with the wind or winds?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity primarily associated with the wind or winds?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q22
1 · Guesser asks
Is this deity traditionally depicted riding a dolphin?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this deity traditionally depicted riding a dolphin?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Terracotta group of a Nereid riding side-saddle on a dolphin. She holds a Corinthian helmet. This maybe represents Thetis carrying part of the armour of Achilles.Open britishmuseum.org (opens in a new tab)
In Greek mythology Achilles was the strongest warrior and hero in the Greek army during the Trojan War.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q23
1 · Guesser asks
Was this figure one of the Argonauts who sailed aboard the Argo?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this figure one of the Argonauts who sailed aboard the Argo?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Notable Argonauts include Peleus (father of Achilles), distinguishing Peleus—not Achilles—as the Argonaut.Open en.wikipedia.org (opens in a new tab)
The roster includes Peleus, father of Achilles, among the heroes who sailed on the Argo.Open uen.pressbooks.pub (opens in a new tab)
2 · Answer check returns No
Q24
1 · Guesser asks
Was this figure transformed into a deity as a result of being submerged or cast into the sea?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this figure transformed into a deity as a result of being submerged or cast into the sea?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Thetis dipped Achilles in the waters of the River Styx, by which means he became invulnerable, except for his heel.Open britannica.com (opens in a new tab)
Although he was mortal, he possessed many universal traits that were godlike and divine.Open cornellcollege.edu (opens in a new tab)
2 · Answer check returns No
Q25
1 · Guesser guesses
Ganymede
A Trojan prince who was abducted by Zeus to become the cupbearer of the gods and was deified as the constellation Aquarius
Validator rationale The trusted subject is Achilles, while the proposed identity is Ganymede, a different mythological figure.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A Trojan prince who was abducted by Zeus to become the cupbearer of the gods and was deified as the constellation Aquarius","name":"Ganymede","question":null}} 2 · Validator returns No
Q26
1 · Guesser asks
Did this figure participate in the Trojan War?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this figure participate in the Trojan War?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Role In: Trojan WarOpen britannica.com (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Achilles
The central Greek hero of the Trojan War, son of Peleus and the sea nymph Thetis, who was deified after death
Validator rationale The proposed identity names Achilles and matches the trusted mythological figure, the Greek hero of the Trojan War.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"The central Greek hero of the Trojan War, son of Peleus and the sea nymph Thetis, who was deified after death","name":"Achilles","question":null}} 2 · Validator returns Yes