Umpires, Referees, and Other Sports Officials

27-2023.00
Median wage $40,710/yr15,780 employed (US)Rank #434 of 923 scored · top 47% by substitution

Officiate at competitive athletic or sporting events. Detect infractions of rules and decide penalties according to established regulations. Includes all sporting officials, referees, and competition judges.

Sub-scores

0–100 · band = confidence interval from rater disagreement

Substitution29
Exposure27
Augmentation54

Substitution — the headline: capability discounted by cost, barriers and adoption.

Exposure — technical capability alone, regardless of whether anyone deploys it.

Augmentation — how much AI assists without replacing. High here + moderate substitution = a changing job, not a disappearing one.

Tasks on the substitution scale

16 rated tasks, binned by substitution score.

Position among all scored occupations

Distribution of 923 occupation scores; the marker is this occupation.

Tasks with substitution ≥ 70

6%

Run 1.0.0-draft.1 · computed 2026-08-05 · rater panel: claude-sonnet-5, claude-haiku-4-5-20251001 · intervals span rater disagreement.

Why this score

The five weighted dimensions of the composite, averaged across this occupation's tasks (importance-weighted, panel mean). Exact weights and formulas: /api/v1/methodology.

Task automatabilityw 35%27

panel mean rating 2.1/5 → substitution pressure 27/100

Technical feasibility todayw 20%27

panel mean rating 2.1/5 → substitution pressure 27/100

Cost vs. human wagew 15%34

panel mean rating 2.4/5 → substitution pressure 34/100

Adoption barriersw 20%inverted — strong barriers lower the score33

panel mean rating 3.7/5 (barrier strength) → substitution pressure 33/100

Sector adoption velocityw 10%24

panel mean rating 2.0/5 → substitution pressure 24/100

Task breakdown (16 tasks)

Substitution pressure per task, weighted by O*NET importance in the composite. Expand a task for the full rater audit trail — every rating, every model, every rationale.

Compile scores and other athletic records.

76

CI 7279 · exposure 75 · augmentation 88 · importance 4.1/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510014/5Professional sports leagues and digital sports platforms have already widely deployed automated score and record systems (MLB, NBA, FIFA, etc.). Adoption is deep and continuous in digitized sports; slower in amateur/grassroots venues but rapidly expanding even there.
Sector adoption velocityclaude-sonnet-53/5Digital scorekeeping and stats tools are common in professional and organized sports, but many amateur/local settings still rely on manual compilation, giving mixed adoption depth.
Augmentation potentialclaude-haiku-4-5-202510014/5AI assists officials and statisticians by instantly populating records, checking for inconsistencies, and presenting real-time summaries, freeing the human to focus on accuracy verification and exceptional cases rather than manual transcription.
Augmentation potentialclaude-sonnet-55/5AI and software tools greatly speed up and reduce errors in compiling scores and stats, letting officials focus on judgment calls while records are auto-generated.
Task automatabilityclaude-haiku-4-5-202510014/5AI can reliably extract, aggregate, and compile scores from game feeds, scoreboards, and official records with minimal errors. This is a largely data-entry and aggregation task with well-defined inputs and outputs, easily automated with OCR, APIs, or direct database access, though minor edge cases (disputed scores, manual corrections) may require oversight.
Task automatabilityclaude-sonnet-54/5Compiling scores and records is a structured data-entry/aggregation task that off-the-shelf software and AI systems can already handle with minimal human input, saving substantial time.
Adoption barriersclaude-haiku-4-5-202510012/5Few legal or regulatory barriers exist to automating score compilation itself. The main friction is organizational inertia and the requirement that an official still sign off on final records, but the bulk of data work can be automated with minimal oversight.
Adoption barriersclaude-sonnet-52/5No licensing requirement for record compilation itself, though official record certification may still require a human official's sign-off in some contexts.
Cost vs. human wageclaude-haiku-4-5-202510015/5Automated score compilation via APIs, OCR, or database integration costs a fraction of a full-time official or statistician position. Once deployed, marginal cost per game is negligible compared to human labor, yielding orders-of-magnitude savings.
Cost vs. human wageclaude-sonnet-54/5Automated scorekeeping software costs a fraction of a human's time spent manually compiling records, though some setup and oversight costs remain.
Technical feasibility todayclaude-haiku-4-5-202510014/5Multiple deployed systems already handle score compilation—sports data platforms (ESPN, official league systems, real-time scoring tools) use automation for score capture and record-keeping in production. Systems are mature and reliable at scale, though some venues still rely on manual entry as backup.
Technical feasibility todayclaude-sonnet-54/5Sports statistics platforms and scorekeeping software (e.g., league management systems, automated scoreboards) already compile and record scores reliably in production across many sports.

Judge performances in sporting competitions to award points, impose scoring penalties, and determine results.

54

CI 2582 · exposure 58 · augmentation 75 · importance 4.9/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510014/5Major sports leagues (soccer, tennis, cricket, NFL, MLB) have actively deployed AI-assisted or automated officiating in recent years, with rapid expansion in line and goal-line decisions.
Sector adoption velocityclaude-sonnet-52/5Adoption is slow and narrow, limited mostly to elite/professional leagues using assistive review technology; most officiating remains human-led with little AI penetration.
Augmentation potentialclaude-haiku-4-5-202510015/5AI currently augments human officials by providing real-time visual feedback, slow-motion review, and objective measurements, significantly speeding decision-making while officials retain final judgment.
Augmentation potentialclaude-sonnet-53/5AI-assisted replay, tracking, and analytics tools help officials make more accurate calls and reduce disputes, offering meaningful but partial productivity gains.
Task automatabilityclaude-haiku-4-5-202510015/5AI vision systems can now reliably detect rule violations, measure distances, track player positions, and determine outcomes (ball in/out, goal line calls) in real-time, meeting the 50% time-saving bar for structured judgment tasks in most sports.
Task automatabilityclaude-sonnet-52/5Some judged sports use computer vision scoring aids (e.g., line calls, timing), but subjective judgment of performance quality, penalties, and holistic scoring in live competition is not reliably automatable end-to-end today.dumpster
Adoption barriersclaude-haiku-4-5-202510013/5Sports leagues maintain high discretion over officiating rules and retain human sign-off for final decisions; legal liability and tradition create friction, but no licensing requirement formally bars AI deployment.
Adoption barriersclaude-sonnet-54/5Sports governing bodies typically require certified human officials for rule enforcement, penalty decisions, and dispute resolution, creating strong institutional and regulatory barriers to full automation.
Cost vs. human wageclaude-haiku-4-5-202510015/5Once installed, AI officiating (cameras, processors, software) costs a fraction of hiring, training, and paying professional officials across thousands of games annually.
Cost vs. human wageclaude-sonnet-52/5Specialized vision/sensor systems are expensive to deploy and require human oversight, so overall cost is not clearly cheaper than paying officials, especially outside elite competitions.
Technical feasibility todayclaude-haiku-4-5-202510014/5Multiple deployed AI systems (VAR in soccer, hawkeye/electronic line-calling in tennis/cricket, automated offside detection) are in production use at professional levels, though human review remains standard in many high-stakes decisions.
Technical feasibility todayclaude-sonnet-52/5Deployed products exist for narrow sub-tasks (Hawk-Eye line calls, timing systems) but no product independently judges full performances and awards points/penalties across most sports in production.

Verify scoring calculations before competition winners are announced.

42

CI 3054 · exposure 42 · augmentation 75 · importance 4.4/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510013/5Professional leagues have adopted some automated aids (instant replay, electronic scoring) but maintain human officials in the verification loop. Adoption is uneven across sports and level of play, with amateur and youth sports lagging significantly.
Sector adoption velocityclaude-sonnet-52/5Sports officiating overall is a slow-adopting sector for full automation, with electronic aids used only in select high-resource sports and slow diffusion into amateur and lower-tier competitions.
Augmentation potentialclaude-haiku-4-5-202510014/5AI-powered scoring tools and instant-replay analysis systems already assist officials by flagging discrepancies, visualizing calculations, and reducing error. These augment official decision-making substantially while keeping the human as final arbiter.
Augmentation potentialclaude-sonnet-54/5AI and automated scoring tools significantly help officials by cross-checking calculations quickly and flagging errors, improving accuracy and speed while humans retain final authority.
Task automatabilityclaude-haiku-4-5-202510012/5Scoring calculations themselves are deterministic and partially automatable (e.g., tallying points from game stats), but sports scoring contexts are highly sport-specific and require domain knowledge about rules, edge cases, and judgment calls that remain partially manual. Current AI cannot reliably verify all scoring without human review.
Task automatabilityclaude-sonnet-53/5Verifying scoring calculations is a straightforward computational/logic task that AI/software can perform very reliably, but it must be integrated into live event systems and validated against official rules, which adds setup overhead.rest of task remains simple arithmetic verification.rating reflects partial automation feasibility rather than full end-to-end deployment across all sports contexts.
Adoption barriersclaude-haiku-4-5-202510014/5Sports governance bodies, leagues, and rulebooks typically mandate that a licensed official must verify and announce final scores. Liability, trust, and regulatory requirements (e.g., league rules) create strong barriers to full automation without official sign-off.
Adoption barriersclaude-sonnet-53/5Some sports require certified officials to sign off on final scores for competitive integrity and dispute resolution, creating moderate procedural and liability barriers even though the calculation itself is simple.
Cost vs. human wageclaude-haiku-4-5-202510012/5Current automated scoring tools require significant infrastructure investment, integration, and maintenance overhead. The per-game cost of deployment rivals or exceeds paying an official to spot-check calculations, especially across diverse sports.
Cost vs. human wageclaude-sonnet-54/5Once built, automated scoring verification software is extremely cheap to run per event compared to paying a human official or scorer, though initial system integration costs exist.
Technical feasibility todayclaude-haiku-4-5-202510013/5Some sports and leagues have automated scoring systems (e.g., electronic scoreboards, instant-replay review tools) in production, but these support rather than replace official verification. No fully autonomous system reliably handles all sport variations and edge cases without human sign-off.
Technical feasibility todayclaude-sonnet-53/5Automated scoring verification systems exist in some sports (e.g., electronic scoring in fencing, swimming timing systems, VAR-assisted scoring), but many sports still rely on manual or semi-manual verification by officials, so deployment is narrow and sport-specific.

Direct participants to assigned areas, such as starting blocks or penalty areas.

41

CI 576 · exposure 41 · augmentation 38 · importance 4.0/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510013/5Some sports venues and events have begun piloting automated or semi-automated routing (apps, digital displays), but adoption remains patchy; most traditional sports still assign human officials to this task, reflecting middling adoption momentum.
Sector adoption velocityclaude-sonnet-51/5Sports officiating is a low-digitization, physically embedded profession with minimal AI deployment for this specific directive function.
Augmentation potentialclaude-haiku-4-5-202510014/5AI systems can assist human officials by providing real-time location data, visual overlays, or alerts about which participants have been directed, significantly boosting official productivity and accuracy without removing human oversight.
Augmentation potentialclaude-sonnet-51/5AI offers no meaningful assistance for physically directing participants to designated areas during live competition.
Task automatabilityclaude-haiku-4-5-202510015/5Directing participants to assigned areas is a purely logistical, spatially-defined task that could be fully automated via computer vision, tracking systems, or mobile app notifications identifying and guiding participants to correct locations with >50% time savings.
Task automatabilityclaude-sonnet-51/5This requires real-time physical presence, voice/gesture communication with athletes on a field or track, and situational awareness during live play; no AI system can physically direct participants in a live sporting event.
Adoption barriersclaude-haiku-4-5-202510012/5While tradition and preference for human officials exist, there are no legal licensing requirements or liability barriers preventing automated participant routing; sports organizations face modest organizational friction but no hard legal constraints.
Adoption barriersclaude-sonnet-54/5Officiating often requires certified, licensed officials physically present per sport governing body rules, and safety/liability concerns around directing athletes to blocks or penalty areas require a human authority figure.
Cost vs. human wageclaude-haiku-4-5-202510014/5The infrastructure cost of deploying automated directional systems (signage, beacons, mobile app) is moderate and reusable across many events, making per-task AI cost substantially lower than paying a full-time official for this single function.
Cost vs. human wageclaude-sonnet-51/5There is no viable AI substitute performing this physical task, so any comparison favors the human official entirely.
Technical feasibility todayclaude-haiku-4-5-202510013/5Existing computer vision and location-tracking products can identify people and direct them spatially, but deployed production systems in sports settings remain limited; most venues still rely on human officials or manual signage rather than fully autonomous AI-guided systems.
Technical feasibility todayclaude-sonnet-51/5No deployed product performs this in-person crowd/athlete direction task; it remains purely a human physical and interpersonal function.

Keep track of event times, including race times and elapsed time during game segments, starting or stopping play when necessary.

40

CI 2951 · exposure 38 · augmentation 75 · importance 4.0/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5Sports leagues have been cautious and slow in automating official duties; while some assist tools (VAR, instant replay review) are adopted, full replacement of timing and play-control authority lags far behind tech-forward sectors. Adoption remains in pilot or secondary-league phases.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is a slow-adopting, in-person physical domain; automated timing exists in select high-budget leagues but broad adoption across officiating generally is limited.
Augmentation potentialclaude-haiku-4-5-202510014/5AI systems already assist umpires/referees by providing precise, objective time data and flagging potential rule violations (VAR, ball-tracking); these tools amplify human decision-making without replacing it, and are increasingly integrated into professional sports workflows.
Augmentation potentialclaude-sonnet-54/5AI-assisted timing systems, instant replay, and automated clocks already meaningfully help officials keep accurate time and reduce human error while officials retain final authority.
Task automatabilityclaude-haiku-4-5-202510012/5Current AI can easily track time and automate the mechanical timing function (starting/stopping a clock), but the task requires real-time judgment about when to start/stop play based on game context, fouls, and rule interpretations that demand human authority and discretion. Automation could handle perhaps 20-30% of the decision burden (pure timekeeping), leaving the majority requiring human judgment.
Task automatabilityclaude-sonnet-53/5Timekeeping and clock management can be automated with sensors, scoreboards, and computer vision systems, but starting/stopping play requires judgment tied to live game events that current AI handles only partially.rating this a moderate 3.
Adoption barriersclaude-haiku-4-5-202510014/5Sports leagues and governing bodies require human officials for rule interpretation, authority, and accountability; liability and precedent strongly favor human decision-makers with explicit authority over machines. Regulatory frameworks (IOC, MLB, FIFA rules) mandate human officials, creating hard legal and organizational barriers to substitution.
Adoption barriersclaude-sonnet-53/5Many sports require certified officials to make live judgment calls on stoppages, though objective timing functions face fewer barriers; rules bodies often mandate human authority for game control.
Cost vs. human wageclaude-haiku-4-5-202510014/5Automated timing infrastructure (sensors, clock systems, and minimal AI oversight) is substantially cheaper than paying a human official's full wage, especially at lower-tier or amateur levels where labor cost savings would be significant.
Cost vs. human wageclaude-sonnet-53/5Hardware/software for automated timing exists and can be cheaper long-term, but integration, calibration, and backup human oversight keep costs roughly comparable to officiating labor in most leagues.
Technical feasibility todayclaude-haiku-4-5-202510012/5While computer vision systems and AI timekeeping exist in research and limited sports settings (e.g., automated ball-tracking), no deployed, general-purpose system reliably replaces the umpire's authority to start/stop play across multiple sports in production. Existing tools are narrow (e.g., Hawk-Eye for line calls) and do not handle the full task.
Technical feasibility todayclaude-sonnet-53/5Automated clock systems and some ball-tracking/whistle-detection tools exist in professional sports (e.g., automated pitch clocks, shot clocks), but full autonomous stoppage decisions are not yet deployed at scale across most leagues.

Report to regulating organizations regarding sporting activities, complaints made, and actions taken or needed, such as fines or other disciplinary actions.

37

CI 2055 · exposure 41 · augmentation 63 · importance 4.0/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5Sports leagues are traditionally conservative; while some leagues now use AI for on-field decision support, automated reporting to regulators remains rare and uptake is slow due to legal and institutional inertia.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is a low-digitization, physically embedded profession with limited AI deployment for administrative reporting tasks specifically.
Augmentation potentialclaude-haiku-4-5-202510014/5AI can substantially accelerate report drafting, organize evidence from videos and play logs, and flag potential violations for official review, significantly improving an official's ability to file timely and complete regulatory submissions.
Augmentation potentialclaude-sonnet-53/5AI can help draft, format, and organize incident reports and summarize game data, offering moderate assistance to officials completing this paperwork.
Task automatabilityclaude-haiku-4-5-202510014/5Current AI systems can efficiently extract incident data, classify rule violations, and draft compliance reports from game records, scorecards, and video feeds. Human review and final authorization would remain necessary, but AI could reduce reporting time by 50%+ for routine cases.
Task automatabilityclaude-sonnet-52/5Drafting incident reports could be AI-assisted from structured data, but determining what actions/complaints occurred and what disciplinary action is warranted requires human judgment and firsthand observation, so full automation is not near the 50% threshold.
Adoption barriersclaude-haiku-4-5-202510014/5Regulatory bodies and sports leagues typically require human officials to attest to the accuracy and completeness of disciplinary reports; liability concerns around wrongful fines or suspensions create legal barriers to full automation without human sign-off.
Adoption barriersclaude-sonnet-54/5Reporting to regulating bodies about fines and discipline typically requires the accountable, credentialed official's firsthand account and signature, creating strong institutional and liability barriers to substitution.
Cost vs. human wageclaude-haiku-4-5-202510014/5AI-assisted report generation costs (API calls, video analysis, document formatting) are substantially cheaper than paying officials to manually compile and file detailed compliance reports, especially across high-volume games.
Cost vs. human wageclaude-sonnet-52/5AI could cheaply draft report text, but the human official still must observe, decide, and submit, so overall cost savings versus the human's existing reporting duties are modest.
Technical feasibility todayclaude-haiku-4-5-202510013/5Products exist for automated incident detection and report generation (computer vision for fouls, NLP for complaint summarization), but they operate with notable error rates and require significant human verification; no major sports league has fully automated disciplinary reporting to regulators yet.
Technical feasibility todayclaude-sonnet-51/5No deployed product autonomously files disciplinary reports to sports governing bodies today; this remains a manual administrative and judgment task performed by officials.

Research and study players and teams to anticipate issues that might arise in future engagements.

37

CI 3441 · exposure 25 · augmentation 75 · importance 2.9/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510013/5Professional sports organizations increasingly use analytics and AI-assisted video review, but anticipatory study remains a specialized, human-driven function; adoption of AI tools in this area is emerging but not yet mainstream across most sports.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is a small, traditionally low-digitization niche; while analytics adoption is growing in sports broadly, referee prep specifically lags far behind coaching/player analytics adoption.
Augmentation potentialclaude-haiku-4-5-202510014/5AI can significantly assist by automatically surfacing relevant clips, identifying statistical anomalies, and flagging historical patterns, allowing officials to focus their research time on higher-level judgment; this augmentation can meaningfully boost the depth and speed of preparation without removing human decision-making.
Augmentation potentialclaude-sonnet-54/5AI can efficiently pull statistics, past incident reports, and player tendencies, significantly speeding up an official's research process even though final judgment remains human.
Task automatabilityclaude-haiku-4-5-202510012/5AI can assist with data aggregation and pattern detection from game footage and statistics, but anticipating contextual issues requires nuanced judgment about player psychology, team dynamics, and situational factors that remain difficult for current systems to reliably predict end-to-end.
Task automatabilityclaude-sonnet-52/5AI could gather and summarize data on players/teams, but the actual anticipation of contextual, situational issues in future games requires nuanced human judgment about matchups, personalities, and rule interpretation that current systems can only partially support.
Adoption barriersclaude-haiku-4-5-202510013/5While leagues have discretion in their research methods, the official still must make final judgment calls, and there are professional norms and union considerations around how officiating preparation is conducted, creating some organizational friction against full automation.
Adoption barriersclaude-sonnet-52/5No licensing requirement blocks AI-assisted research, but officiating judgment and accountability remain human-centered, creating some organizational resistance to full delegation.
Cost vs. human wageclaude-haiku-4-5-202510013/5Current AI analytics platforms are reasonably cost-effective for data processing, but the integration, customization, and human oversight required to operationalize anticipatory insights roughly matches the labor cost of experienced officials doing preliminary research.
Cost vs. human wageclaude-sonnet-53/5AI research/summarization tools are cheap relative to human prep time, but officials still need to validate and contextualize findings, keeping overall cost savings moderate rather than dramatic.
Technical feasibility todayclaude-haiku-4-5-202510012/5While sports analytics platforms exist to analyze performance data, no deployed product reliably performs the full anticipatory task of identifying future officiating issues with the judgment quality needed for professional use; existing tools support analysis but require substantial human interpretation.
Technical feasibility todayclaude-sonnet-52/5Sports analytics products exist for performance data but no deployed product specifically compiles officiating-relevant risk anticipation (e.g., player conflict history, rule controversies) in a reliable production form.

Teach and explain the rules and regulations governing a specific sport.

36

CI 3437 · exposure 25 · augmentation 63 · importance 4.3/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5Sports officiating remains a labor-intensive, tradition-bound sector with slow digitization and strong preference for human authority and presence. Leagues are only beginning to experiment with AI tools; widespread adoption of AI rule-teaching is still in pilot phases.
Sector adoption velocityclaude-sonnet-52/5Sports officiating and coaching sectors have low overall AI adoption; while some leagues use video/rules tech, formal rule instruction remains human-led and slow to change.
Augmentation potentialclaude-haiku-4-5-202510013/5AI could assist officials in preparing explanations, clarifying complex rule interpretations, or generating training materials for crew members, raising preparation efficiency. However, the real-time teaching moment itself remains primarily human-driven, limiting transformative potential.
Augmentation potentialclaude-sonnet-54/5AI-powered rulebooks, quizzes, and chat assistants can meaningfully help referees and trainees study and clarify rules, complementing human instruction significantly.
Task automatabilityclaude-haiku-4-5-202510012/5Teaching rules requires adaptive explanation calibrated to audience knowledge level and real-time Q&A—capabilities that current AI systems struggle with reliably in live settings. While AI can generate rule explanations or summaries, interactive teaching at quality parity with a human official remains beyond practical automation today.
Task automatabilityclaude-sonnet-52/5AI can generate explanations of rules via text or video content, but live, interactive teaching that adapts to learner questions and real-game context is not something off-the-shelf systems fully replace end-to-end.4.5x savings for the whole task is unlikely.5x threshold not met broadly.5x savings not achieved.5x savings not achieved.
Adoption barriersclaude-haiku-4-5-202510013/5Sports leagues and officiating bodies have institutional preferences for credentialed human officials to deliver authoritative rule instruction, and some jurisdictions may require in-person certification instruction. However, no hard legal prohibition prevents AI rule-teaching systems, creating moderate rather than hard barriers.
Adoption barriersclaude-sonnet-53/5No strict licensing barrier prevents AI from explaining rules, but sports governing bodies often require certified instructors/officials for official rule instruction and certification, creating moderate friction.
Cost vs. human wageclaude-haiku-4-5-202510014/5A deployed LLM-powered system would cost pennies per rule explanation session, whereas a human official's time is valued at tens to hundreds of dollars per hour. The cost advantage is substantial, even accounting for oversight and fine-tuning.
Cost vs. human wageclaude-sonnet-53/5Generating rule explanations via AI is cheap, but integrating it into certified officiating training programs with oversight narrows the cost advantage somewhat.
Technical feasibility todayclaude-haiku-4-5-202510012/5Chatbots and LLMs can recite rules accurately in static contexts, but deployed systems lack the interactive responsiveness, credibility, and live question-handling that real teaching demands. Educational products exist but narrow scope and dependency on human facilitation prevent production-grade standalone teaching performance.
Technical feasibility todayclaude-sonnet-52/5Chatbots and rulebook Q&A tools exist and can explain rules reasonably well, but they are not deployed as authoritative referee-training or in-game rule-teaching systems at scale.

Verify credentials of participants in sporting events, and make other qualifying determinations, such as starting order or handicap number.

28

CI 2334 · exposure 25 · augmentation 50 · importance 4.1/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510011/5Sports officiating remains heavily human-dependent with minimal AI deployment in practice. While some sports use technology assists (replay review), autonomous credential verification and handicap determination are not being adopted by major sporting organizations, reflecting both regulatory conservatism and tradition.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is a slow-adopting, physically-present sector; while some scoring/handicap software is used, broad AI-driven credentialing is not yet common practice.
Augmentation potentialclaude-haiku-4-5-202510013/5AI could assist by pre-scanning credentials, suggesting handicap ranges based on historical data, or flagging inconsistencies for human officials to review, modestly raising official productivity. However, the discretionary nature of qualifying determinations limits the depth of assistance possible without human judgment remaining central.
Augmentation potentialclaude-sonnet-53/5AI-based registration systems and handicap calculators already assist officials by automating data lookups and computations, improving speed and accuracy while humans retain final authority.
Task automatabilityclaude-haiku-4-5-202510012/5While credential verification (checking databases, licenses) could be partially automated, making qualifying determinations like handicap assignment requires contextual judgment about participant history, performance, and fairness rules that current AI cannot reliably perform end-to-end without substantial human oversight. The task mixes routine verification with discretionary rulings.
Task automatabilityclaude-sonnet-52/5Credential verification and handicap/qualifying calculations could partly be automated via database lookups, but the task also involves judgment calls and in-person confirmation that current AI cannot fully replace end-to-end.'
Adoption barriersclaude-haiku-4-5-202510014/5Sports governing bodies have strict licensing and authorization requirements; officials must often be certified to make qualifying determinations. Liability for incorrect handicap assignments or credential errors creates high error-cost asymmetry, and regulatory frameworks typically require a licensed human official to attest to participant eligibility and assignments.
Adoption barriersclaude-sonnet-53/5Many sporting bodies require an authorized official to certify participant eligibility and rulings, creating governance and liability friction even though the underlying data checks are simple.
Cost vs. human wageclaude-haiku-4-5-202510012/5AI systems for credential verification and handicap determination would require custom integration, oversight, and verification by qualified officials. The loaded cost of building, maintaining, and legally certifying such a system likely exceeds the cost of a single umpire performing these tasks for an event.
Cost vs. human wageclaude-sonnet-53/5Automated database checks and handicap calculators are cheap, but human oversight is still needed for edge cases and disputes, keeping the all-in cost roughly comparable to a human official for this narrow task.
Technical feasibility todayclaude-haiku-4-5-202510012/5Basic credential lookup systems exist (database queries, document scanning), but no deployed product reliably performs the full task of both verifying credentials AND making qualifying determinations like handicap calculation across diverse sports without human review. Integration into official sporting event workflows is minimal.
Technical feasibility todayclaude-sonnet-52/5Some sports already use software for handicap calculations and registration checks, but there is no mature deployed product handling the full credential-verification and qualifying-determination workflow autonomously.

Start races and competitions.

17

CI 925 · exposure 13 · augmentation 50 · importance 4.3/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5While professional sports have adopted electronic timing and starting blocks, human officials remain the legal requirement and standard practice across most levels of competition. Adoption of AI for race/competition starts is limited to narrow, high-stakes contexts and is not widespread.
Sector adoption velocityclaude-sonnet-51/5Sports officiating remains a physically grounded, low-digitization occupation with minimal AI agent adoption for live task execution.
Augmentation potentialclaude-haiku-4-5-202510013/5AI and electronic systems can assist human officials by providing precise timing, false-start detection, and automated signal generation, improving accuracy and consistency. However, the human official retains final authority and judgment, creating a moderate augmentation effect rather than transformation.
Augmentation potentialclaude-sonnet-53/5AI-assisted timing systems, sensors, and false-start detection tools already help officials make better and faster start decisions, though the human remains central.
Task automatabilityclaude-haiku-4-5-202510012/5Starting races requires real-time coordination with athletes, sound timing equipment, and situational judgment to detect false starts. While AI could theoretically trigger a starting signal, the task demands human oversight and authority that current systems cannot fully replace while maintaining safety and fairness standards.
Task automatabilityclaude-sonnet-51/5Physically starting a live race or competition requires real-time presence, judgment on false starts, and safety oversight that current AI cannot perform end-to-end.
Adoption barriersclaude-haiku-4-5-202510014/5Sports governance (federations, league rules, safety regulations) typically require a qualified human official to be present and responsible for competition starts. Liability, player safety, and regulatory approval for automated starts create significant legal and institutional barriers to substitution.
Adoption barriersclaude-sonnet-54/5Many competitions require certified officials to authorize starts for safety, fairness, and rule compliance, creating strong organizational and regulatory barriers to full automation.
Cost vs. human wageclaude-haiku-4-5-202510012/5Deploying reliable electronic starting systems is expensive and requires specialized infrastructure, training, and integration with existing competition frameworks. The cost per event often exceeds the wage of a human starter, particularly in amateur or local competitions.
Cost vs. human wageclaude-sonnet-52/5While automated starting-gun/timing hardware is cheap, it still requires human officials for judgment calls, so total cost isn't meaningfully lower than employing a starter.
Technical feasibility todayclaude-haiku-4-5-202510012/5Automatic starting systems exist in some sports (e.g., electronic start blocks in swimming), but they are specialized hardware-dependent solutions that typically require human officiating oversight. No general AI product reliably orchestrates the full social and procedural context of starting a competition without human involvement.
Technical feasibility todayclaude-sonnet-51/5There are no deployed AI products that autonomously start live sporting events; automated timing/starting gun systems exist but still require human officials to authorize and oversee starts.

Inspect game sites for compliance with regulations or safety requirements.

16

CI 528 · exposure 13 · augmentation 38 · importance 4.6/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510011/5Sports organizations remain traditionalist and heavily reliant on human officials for regulatory sign-off. Adoption of AI for pre-game inspections is minimal; the sector shows slow, cautious digitization in oversight functions compared to professional services or finance.
Sector adoption velocityclaude-sonnet-51/5Sports officiating and venue safety inspection is a low-digitization, physically grounded task with minimal AI agent deployment in production settings.
Augmentation potentialclaude-haiku-4-5-202510013/5AI tools (computer vision, checklists, photo documentation) could assist an official by flagging potential hazards or automating routine documentation, moderately improving inspection thoroughness and speed while the official retains final judgment authority.
Augmentation potentialclaude-sonnet-52/5Checklists, sensor data, or AI-assisted monitoring tools (e.g., structural sensors, weather apps) can support some aspects of assessment, but the core physical walkthrough and judgment remain largely unaided by AI today.
Task automatabilityclaude-haiku-4-5-202510012/5Inspecting physical game sites requires on-site presence and real-time environmental assessment across multiple dimensions (field conditions, equipment safety, crowd management). While AI could assist with documented checklist verification or post-inspection photo analysis, the task fundamentally demands human judgment, physical presence, and authority that current systems cannot fulfill end-to-end.
Task automatabilityclaude-sonnet-51/5This requires physical presence, real-time perception of a physical site, and judgment about safety conditions that current AI systems cannot autonomously perform end-to-end without robotic embodiment and mobility.
Adoption barriersclaude-haiku-4-5-202510014/5Sports regulatory bodies legally require a licensed official to inspect game sites and sign off on compliance before play begins. This creates a hard authorization requirement that prevents full substitution of human decision-making, even if AI assists the process.
Adoption barriersclaude-sonnet-53/5While no strict licensing mandates a human inspector specifically, liability for safety failures, physical site access, and organizational reliance on qualified officials create real friction against automation.
Cost vs. human wageclaude-haiku-4-5-202510012/5An AI system capable of on-site inspection (integrating computer vision, sensors, and mobile deployment) paired with necessary oversight would likely cost more per venue than a human official's loaded hourly wage for the same inspection task.
Cost vs. human wageclaude-sonnet-51/5There is no viable AI alternative performing this physical inspection task, so any AI cost estimate is moot; the human remains the only functional option.
Technical feasibility todayclaude-haiku-4-5-202510012/5No deployed product today reliably performs autonomous game site inspections. Computer vision could theoretically flag obvious hazards from images, but production systems do not independently verify regulatory compliance across the diversity of sports venues and equipment types in real-world conditions.
Technical feasibility todayclaude-sonnet-51/5No deployed product autonomously inspects sports venues for regulatory or safety compliance; this remains firmly a human physical inspection task with no commercial AI substitute in production.

Inspect sporting equipment or examine participants to ensure compliance with event and safety regulations.

16

CI 725 · exposure 17 · augmentation 38 · importance 4.2/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5Sports officiating remains highly conservative and resistant to automation; while some leagues use AI to assist with instant replay or line-call analysis, the core inspection and compliance function is reserved for human officials and adoption of AI in this role has been minimal even in professional settings.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is a physical, human-contact-heavy field with slow uptake of automation beyond high-profile leagues using limited tech-assisted review.
Augmentation potentialclaude-haiku-4-5-202510012/5AI could potentially assist by flagging equipment anomalies via image analysis or maintaining compliance checklists, but current systems offer limited augmentation since the task requires direct physical inspection and human judgment that is difficult for AI to enhance meaningfully without introducing liability concerns.
Augmentation potentialclaude-sonnet-53/5AI-enabled sensors and imaging can help flag equipment anomalies or safety issues for human officials to verify, offering moderate assistance without replacing judgment.
Task automatabilityclaude-haiku-4-5-202510011/5This task fundamentally requires real-time visual and physical inspection of equipment and participants in a dynamic sporting environment, with judgment calls about safety compliance that demand contextual understanding and human accountability. Current AI systems cannot reliably perform the full inspection, decision-making, and officiating aspects simultaneously.
Task automatabilityclaude-sonnet-52/5Requires real-time physical inspection, judgment, and presence at live events; current AI (e.g., computer vision) can assist in narrow equipment checks but cannot fully replace on-site inspection and rule enforcement end-to-end.
Adoption barriersclaude-haiku-4-5-202510015/5Sports organizations and governing bodies have strict regulatory requirements that a human official must be present to inspect equipment and certify compliance; liability for equipment failures or safety violations is legally tied to the official's authority and human judgment, creating hard legal barriers to full automation.
Adoption barriersclaude-sonnet-54/5Many sports federations require certified officials to make binding compliance and safety determinations, and liability for missed safety issues creates strong resistance to full automation.
Cost vs. human wageclaude-haiku-4-5-202510011/5The infrastructure cost (cameras, sensors, ML models, integration with venues, and required human oversight for safety-critical decisions) far exceeds the loaded wage of a sports official, particularly for smaller or local events.
Cost vs. human wageclaude-sonnet-52/5Specialized inspection equipment and sensors can be costly to deploy and maintain relative to a human official's wage, especially for lower-level or amateur events where most such inspections occur.
Technical feasibility todayclaude-haiku-4-5-202510012/5While computer vision can assist with some equipment inspections (e.g., analyzing images of gear), no deployed product reliably performs the complete task of inspecting participants and equipment for compliance across diverse sports in real match conditions at human-equivalent accuracy and accountability.
Technical feasibility todayclaude-sonnet-52/5Some sensor/vision-based checks exist (e.g., bat compliance testing, VAR-adjacent tech) but no deployed product autonomously performs comprehensive equipment/participant safety inspections across sports.

Resolve claims of rule infractions or complaints by participants and assess any necessary penalties, according to regulations.

14

CI 325 · exposure 13 · augmentation 50 · importance 4.5/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510012/5Sports leagues have been cautious with AI in officiating, using it only as a narrow assist tool (e.g., goal-line technology, VAR review) rather than autonomous decision-making. Adoption remains pilot-phase with human officials retained as final arbiters, reflecting resistance from leagues, players, and fans.
Sector adoption velocityclaude-sonnet-52/5Adoption of AI-assisted review technology is growing in top-tier professional leagues but remains slow, expensive, and inconsistent across most sports and levels of play.
Augmentation potentialclaude-haiku-4-5-202510012/5AI can assist with instant replay review and objective measurements (ball position, out-of-bounds), but does not meaningfully augment the core task of resolving subjective infractions and complaints, which remains purely human-dependent and cannot be transformed by current AI assistance.
Augmentation potentialclaude-sonnet-54/5AI-powered instant replay, ball-tracking, and sensor systems substantially help officials make more accurate rulings while the human retains final decision authority.
Task automatabilityclaude-haiku-4-5-202510011/5Resolving rule infractions requires real-time judgment calls in complex, context-dependent situations involving human behavior, intent, and nuanced interpretation of regulations. Current AI cannot reliably make these subjective determinations with the consistency and legitimacy expected in sports, especially when penalties affect competition outcomes.
Task automatabilityclaude-sonnet-52/5Requires real-time physical perception, split-second judgment amid ambiguous fast-motion events, and authoritative in-person adjudication that current AI cannot fully replicate end-to-end despite video review aids.
Adoption barriersclaude-haiku-4-5-202510015/5Sports leagues have strict regulatory frameworks governing who can officiate, and leagues retain control over rule interpretation and penalty authority. There are strong liability concerns, reputational risk, and explicit governance requirements that prevent AI substitution; leagues must maintain human officials as the legal authority.
Adoption barriersclaude-sonnet-54/5Sports governing bodies mandate certified human officials to make and be accountable for penalty calls, and rules typically require a human referee's authority for enforceability and dispute resolution.
Cost vs. human wageclaude-haiku-4-5-202510011/5AI systems capable of any part of this task (video analysis, positioning detection) still require substantial infrastructure, human oversight, and do not replace the official. The all-in cost of deploying such systems exceeds the wage of a single official.
Cost vs. human wageclaude-sonnet-52/5Camera/sensor systems and review infrastructure are expensive to install and maintain, and still require human officials in the loop, so total cost is not clearly cheaper than paying officials directly.
Technical feasibility todayclaude-haiku-4-5-202510011/5No deployed AI system currently makes autonomous real-time officiating decisions in live sports. While computer vision can detect some objective violations (e.g., ball position), the full task of assessing infractions, hearing complaints, and imposing penalties requires human judgment and remains research-stage only.
Technical feasibility todayclaude-sonnet-52/5Video review and tracking systems (e.g., Hawk-Eye, VAR) assist decision-making in some sports, but no product autonomously resolves rule disputes and issues penalties without human officials making the final call.

Officiate at sporting events, games, or competitions, to maintain standards of play and to ensure that game rules are observed.

9

CI 513 · exposure 9 · augmentation 38 · importance 5.0/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510011/5Adoption of AI officiating has been extremely slow and limited despite decades of opportunity. Most leagues and sports resist full automation of officiating; only narrow, binary decisions (goal-line calls) are sometimes delegated to AI, with humans making final calls.
Sector adoption velocityclaude-sonnet-52/5Adoption is limited to elite/professional leagues integrating specific tech-assisted review tools; broad sectors of amateur and lower-level sports show minimal AI adoption.
Augmentation potentialclaude-haiku-4-5-202510012/5AI assists with replays and goal-line technology in some sports, helping officials review decisions, but does not meaningfully augment the core real-time judgment and observation tasks. Augmentation is limited to post-hoc verification rather than enhanced in-game performance.
Augmentation potentialclaude-sonnet-53/5AI-assisted replay systems, ball-tracking, and sensor-based line calls meaningfully support officials in specific decisions without replacing their overall role.
Task automatabilityclaude-haiku-4-5-202510011/5Officiating requires real-time judgment calls on complex, dynamic physical events (player positioning, rule nuances, intent, contact). Current AI vision and rule-interpretation systems cannot reliably make the split-second, context-dependent decisions needed across varied sports conditions and rule interpretations that would achieve 50% time savings at equal quality.
Task automatabilityclaude-sonnet-51/5Real-time physical officiating requires embodied perception, split-second judgment calls, and on-field authority that current AI cannot perform end-to-end; no off-the-shelf system replaces the human presence and decision-making.
Adoption barriersclaude-haiku-4-5-202510015/5Sports leagues, governing bodies, and venues require human officials by rule and tradition; liability and fairness concerns create legal and organizational barriers. Fan and player acceptance of human judgment is deeply embedded in sports culture, and most official rules explicitly mandate human decision-makers.
Adoption barriersclaude-sonnet-54/5Sports governing bodies mandate certified human officials for rule enforcement and game control, with liability, credibility, and rulebook requirements that block full automation.
Cost vs. human wageclaude-haiku-4-5-202510011/5Current AI monitoring systems are expensive to deploy (multi-camera setups, specialized hardware) and require significant infrastructure per venue, while human officials have low marginal cost and flexible scheduling. The integrated cost of AI systems exceeds typical umpire/referee compensation.
Cost vs. human wageclaude-sonnet-51/5Camera/sensor systems used for line-calling and review support are expensive to install and still require human officials on-site, so AI is not cheaper than the human overall.
Technical feasibility todayclaude-haiku-4-5-202510012/5While AI-assisted tools (goal-line technology, ball-tracking) exist in some sports, no deployed AI system independently officiate full games or competitions. These tools are narrow adjuncts (confirming binary outcomes) rather than end-to-end task performance; human officials remain mandatory and make the vast majority of decisions.
Technical feasibility todayclaude-sonnet-52/5Deployed systems exist for narrow sub-tasks (goal-line technology, Hawk-Eye line calls, VAR support) but no product performs full officiating duties reliably in production across sports.

Signal participants or other officials to make them aware of infractions or to otherwise regulate play or competition.

4

CI 07 · exposure 0 · augmentation 38 · importance 4.4/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510011/5Despite heavy investment in sports tech, adoption of AI officiating is extremely limited. Only a handful of professional sports (tennis serve-line calls, cricket LBW review) use AI as a narrow, human-supervised aid; live officiating remains dominated by licensed human officials.
Sector adoption velocityclaude-sonnet-52/5Sports officiating is adopting AI-assisted review technology (goal-line tech, VAR) but the core physical signaling task remains firmly human-performed with slow structural change.
Augmentation potentialclaude-haiku-4-5-202510012/5AI can assist humans by providing replay analysis or statistical data to inform decisions (e.g., VAR review support), but augmentation is limited because the task inherently requires real-time judgment in fluid situations where human situational awareness and authority remain essential.
Augmentation potentialclaude-sonnet-53/5AI-powered instant replay, tracking, and sensor systems increasingly assist officials in making accurate calls, though the human still performs the actual signaling and final decision.
Task automatabilityclaude-haiku-4-5-202510011/5Signaling infractions and regulating play requires real-time perception of complex, dynamic sporting events and intentional communication with human participants. Current AI cannot reliably detect rule violations across diverse sports, interpret ambiguous situations, or deliver authoritative signals in live competitive settings.
Task automatabilityclaude-sonnet-51/5Real-time physical signaling during live sports competition requires embodied presence on the field and instantaneous physical judgment calls; no current AI system can perform this end-to-end.:
Adoption barriersclaude-haiku-4-5-202510015/5Sports leagues have formal rule books and licensing requirements for officials; human officials sign off on officiating decisions; participants expect human judgment and accountability; regulatory bodies (NCAA, professional leagues, IOC) legally mandate human officials or require human approval of automated calls.
Adoption barriersclaude-sonnet-54/5Sports governing bodies require certified human officials for rule enforcement and physical presence on the field, with strong institutional and rulebook requirements for human judgment and authority.
Cost vs. human wageclaude-haiku-4-5-202510011/5The cost of developing, deploying, and maintaining AI systems capable of live officiating, combined with liability and oversight, vastly exceeds the cost of hiring human officials who can be trained once and redeployed across many games.
Cost vs. human wageclaude-sonnet-51/5Officiating requires physical presence and real-time embodied action; there is no AI substitute, so cost comparison favors the human by default since AI cannot perform the task at all.
Technical feasibility todayclaude-haiku-4-5-202510011/5No deployed product reliably performs this task end-to-end in live sports. While AI can assist with slow-motion replay analysis in some professional leagues, no system autonomously makes and communicates real-time officiating decisions during active competition.
Technical feasibility todayclaude-sonnet-51/5While video review and tracking systems (e.g., Hawk-Eye, VAR) assist officiating, no deployed product autonomously replaces the on-field human referee's physical signaling role.

Confer with other sporting officials, coaches, players, and facility managers to provide information, coordinate activities, and discuss problems.

3

CI 05 · exposure 0 · augmentation 25 · importance 4.0/5 · click for rater detail

Panel ratings per dimension for this task
DimensionModelRatingRationale
Sector adoption velocityclaude-haiku-4-5-202510011/5Sports organizations continue to employ human officials for conferencing and coordination; adoption of AI for these social/communicative functions is minimal, and leagues show little movement toward replacing officials' judgment-based conferencing with automated systems.
Sector adoption velocityclaude-sonnet-51/5Sports officiating is a low-digitization, physically-present profession with minimal AI agent adoption for this interpersonal coordination function specifically.
Augmentation potentialclaude-haiku-4-5-202510012/5AI could potentially assist by providing rule clarifications or flagging precedent cases for an official's reference, but the core task of live, real-time conferencing with stakeholders remains exclusively human; augmentation potential is limited.
Augmentation potentialclaude-sonnet-52/5AI could support pre/post-game communication logistics or scheduling notes, but offers little assistance to real-time, in-person conferring during play.
Task automatabilityclaude-haiku-4-5-202510011/5This task is fundamentally interpersonal, requiring real-time negotiation, judgment calls, and dynamic problem-solving with multiple human stakeholders in a live sports context. No current AI system can autonomously conduct these nuanced multi-party conversations and make contextual decisions requiring authority and accountability.
Task automatabilityclaude-sonnet-51/5This is real-time, in-person interpersonal coordination requiring physical presence, quick judgment, and authority; no AI system can conduct these live conferences end-to-end.
Adoption barriersclaude-haiku-4-5-202510015/5Sports leagues have strict rulebooks and governance structures requiring licensed officials to make and communicate decisions; participants and audiences expect human judgment and accountability from identified officials, creating a legal and organizational requirement for human presence.
Adoption barriersclaude-sonnet-54/5Sports governing bodies require certified human officials for rule enforcement and dispute resolution, and rules typically mandate human officiating roles with accountability for decisions.
Cost vs. human wageclaude-haiku-4-5-202510011/5An AI system capable of replacing this interpersonal coordination task would require extensive custom integration, training on sport-specific protocols, and human oversight—making the all-in cost substantially higher than paying an umpire or referee directly.
Cost vs. human wageclaude-sonnet-51/5There is no viable AI substitute performing this task, so no meaningful cost comparison favors AI; humans remain the only option.
Technical feasibility todayclaude-haiku-4-5-202510011/5No deployed product reliably performs real-time conferencing and coordination among coaches, players, and facility managers in live sports environments. While chatbots exist, they cannot substitute for the human judgment and accountability required in official decision-making on the field.
Technical feasibility todayclaude-sonnet-51/5No deployed product performs live, on-field/court conferring with coaches, players, and officials; this remains entirely human-executed today.

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How to read this

A high substitution score does not mean this job disappears — it means a large share of its current tasks face replacement pressure, so the mix of tasks is likely to change. High augmentation alongside substitution typically means the occupation reorganizes around the protected tasks. Wide confidence intervals mean the rater panel disagreed: treat those scores as open questions, not verdicts.

What would change this score

New model capabilities (automatability, feasibility), falling inference costs (cost ratio), regulation and licensing shifts (barriers), and measured sector adoption (velocity) all re-enter at every index release. Each release is recomputed, versioned and kept queryable — scores are claims with a date on them, not permanent labels.