Sources

Read the question library’s retained source records, selection conditions and historical cutoffs.

Question library goalillion-v2-f4162fc1349a

560 questions · 11383 named entities · 60 dated daily boards

• Fjelstul World Cup Database · wc-squads.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.882878+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-players.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.880935+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-teams.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.859454+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-tournaments.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.859966+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-goals.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.875211+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-managers.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.859966+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-manager_appointments.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.863358+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-matches.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:12.870010+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-stadiums.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:13.388456+00:00 · CC-BY-SA-4.0

• Fjelstul World Cup Database · wc-player_appearances.csv

  Fjelstul World Cup historical records: men 1930–2022; women 1991–2019; per-question selection and cutoff apply.

  Retrieved 2026-11-05T12:09:13.540196+00:00 · CC-BY-SA-4.0

• Openfootball JSON · league-2010-11-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:13.470769+00:00 · Public Domain

• Openfootball JSON · league-2010-11-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:13.904143+00:00 · Public Domain

• Openfootball JSON · league-2011-12-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:13.934805+00:00 · Public Domain

• Openfootball JSON · league-2011-12-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:13.997684+00:00 · Public Domain

• Openfootball JSON · league-2012-13-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.394896+00:00 · Public Domain

• Openfootball JSON · league-2012-13-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.490416+00:00 · Public Domain

• Openfootball JSON · league-2012-13-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.468960+00:00 · Public Domain

• Openfootball JSON · league-2013-14-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.495529+00:00 · Public Domain

• Openfootball JSON · league-2013-14-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.565855+00:00 · Public Domain

• Openfootball JSON · league-2013-14-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.550951+00:00 · Public Domain

• Openfootball JSON · league-2013-14-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.885490+00:00 · Public Domain

• Openfootball JSON · league-2014-15-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.949090+00:00 · Public Domain

• Openfootball JSON · league-2014-15-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:14.983409+00:00 · Public Domain

• Openfootball JSON · league-2014-15-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.034230+00:00 · Public Domain

• Openfootball JSON · league-2014-15-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.011550+00:00 · Public Domain

• Openfootball JSON · league-2014-15-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.081507+00:00 · Public Domain

• Openfootball JSON · league-2015-16-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.077177+00:00 · Public Domain

• Openfootball JSON · league-2015-16-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.410132+00:00 · Public Domain

• Openfootball JSON · league-2015-16-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.430344+00:00 · Public Domain

• Openfootball JSON · league-2015-16-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.452800+00:00 · Public Domain

• Openfootball JSON · league-2015-16-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.505773+00:00 · Public Domain

• Openfootball JSON · league-2016-17-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.574170+00:00 · Public Domain

• Openfootball JSON · league-2016-17-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.545709+00:00 · Public Domain

• Openfootball JSON · league-2016-17-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.585015+00:00 · Public Domain

• Openfootball JSON · league-2016-17-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.643225+00:00 · Public Domain

• Openfootball JSON · league-2016-17-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.911267+00:00 · Public Domain

• Openfootball JSON · league-2017-18-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.958240+00:00 · Public Domain

• Openfootball JSON · league-2017-18-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:15.998527+00:00 · Public Domain

• Openfootball JSON · league-2017-18-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.041395+00:00 · Public Domain

• Openfootball JSON · league-2017-18-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.070091+00:00 · Public Domain

• Openfootball JSON · league-2017-18-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.079245+00:00 · Public Domain

• Openfootball JSON · league-2018-19-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.156494+00:00 · Public Domain

• Openfootball JSON · league-2018-19-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.178616+00:00 · Public Domain

• Openfootball JSON · league-2018-19-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.408013+00:00 · Public Domain

• Openfootball JSON · league-2018-19-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.483075+00:00 · Public Domain

• Openfootball JSON · league-2018-19-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.550372+00:00 · Public Domain

• Openfootball JSON · league-2019-20-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.561399+00:00 · Public Domain

• Openfootball JSON · league-2019-20-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.574019+00:00 · Public Domain

• Openfootball JSON · league-2019-20-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.607788+00:00 · Public Domain

• Openfootball JSON · league-2019-20-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.679086+00:00 · Public Domain

• Openfootball JSON · league-2019-20-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.787451+00:00 · Public Domain

• Openfootball JSON · league-2020-21-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:16.917832+00:00 · Public Domain

• Openfootball JSON · league-2020-21-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.014971+00:00 · Public Domain

• Openfootball JSON · league-2020-21-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.077809+00:00 · Public Domain

• Openfootball JSON · league-2020-21-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.067858+00:00 · Public Domain

• Openfootball JSON · league-2020-21-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.092125+00:00 · Public Domain

• Openfootball JSON · league-2021-22-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.134249+00:00 · Public Domain

• Openfootball JSON · league-2021-22-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.231510+00:00 · Public Domain

• Openfootball JSON · league-2021-22-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.323597+00:00 · Public Domain

• Openfootball JSON · league-2021-22-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.415236+00:00 · Public Domain

• Openfootball JSON · league-2021-22-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.552666+00:00 · Public Domain

• Openfootball JSON · league-2022-23-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.612624+00:00 · Public Domain

• Openfootball JSON · league-2022-23-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.617872+00:00 · Public Domain

• Openfootball JSON · league-2022-23-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.647285+00:00 · Public Domain

• Openfootball JSON · league-2022-23-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.637172+00:00 · Public Domain

• Openfootball JSON · league-2022-23-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.803060+00:00 · Public Domain

• Openfootball JSON · league-2023-24-en.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.887506+00:00 · Public Domain

• Openfootball JSON · league-2023-24-es.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:17.922066+00:00 · Public Domain

• Openfootball JSON · league-2023-24-it.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:18.134921+00:00 · Public Domain

• Openfootball JSON · league-2023-24-de.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:18.137547+00:00 · Public Domain

• Openfootball JSON · league-2023-24-fr.1.json

  Played matches in the named season; league membership and explicitly described derived result relations.

  Retrieved 2026-11-05T12:09:18.151124+00:00 · Public Domain

• Openfootball Champions League · ucl-2011-12.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.171179+00:00 · Public Domain

• Openfootball Champions League · ucl-2012-13.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.162226+00:00 · Public Domain

• Openfootball Champions League · ucl-2013-14.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.346331+00:00 · Public Domain

• Openfootball Champions League · ucl-2014-15.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.451826+00:00 · Public Domain

• Openfootball Champions League · ucl-2015-16.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.440345+00:00 · Public Domain

• Openfootball Champions League · ucl-2016-17.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.631868+00:00 · Public Domain

• Openfootball Champions League · ucl-2017-18.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.659802+00:00 · Public Domain

• Openfootball Champions League · ucl-2018-19.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.651400+00:00 · Public Domain

• Openfootball Champions League · ucl-2019-20.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.713401+00:00 · Public Domain

• Openfootball Champions League · ucl-2020-21.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.678572+00:00 · Public Domain

• Openfootball Champions League · ucl-2021-22.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.851327+00:00 · Public Domain

• Openfootball Champions League · ucl-2022-23.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.962929+00:00 · Public Domain

• Openfootball Champions League · ucl-2023-24.txt

  Main-tournament Champions League fixtures for the named season.

  Retrieved 2026-11-05T12:09:18.954510+00:00 · Public Domain

• barca-arsenal

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:11:05.927232+00:00 · Source factual reference; no copied prose or imagery

• pl-golden-boot

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:11:07.166994+00:00 · Source factual reference; no copied prose or imagery

• UEFA Champions League winning coaches: historical annual winners

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:19:35.638591+00:00 · Factual reference; no copied article prose or images

• pl-golden-boot-extracted parsed factual rows

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:19:35.662128+00:00 · Derived factual rows; linked official reference

• uefa-winning-coaches-extracted parsed factual rows

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:19:35.666132+00:00 · Derived factual rows; linked official reference

• inter-miami-identity · official club history

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:30:52.020242+00:00 · Factual identity reference; no copied prose or media

• internacional-identity · official club history

  Named factual membership list retained in the source snapshot.

  Retrieved 2026-11-05T12:30:53.758868+00:00 · Factual identity reference; no copied prose or media

Every question declares its own date and eligibility rule. The source material supplies facts; question wording, translations and obscurity tiers are adaptations made for this game.

World Cup data is credited to J. Fjelstul and collaborators under the stated CC BY-SA license; openfootball match data uses its stated public-domain terms. Adapted records retain their original attribution and license.

Fjelstul World Cup Database by Joshua C. Fjelstul, Ph.D. · Creative Commons Attribution-ShareAlike 4.0