Recalling clubs city by city
For prompts limited to a city or country, walk the place district by district and season by season. A method for bringing up clubs, including smaller ones.
阅读文章Footbillion 足球专栏
懂足球，发现意想不到的答案。
足球故事、答题技巧，以及让熟悉的名字成为精彩答案的细节。
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100 篇文章
Playing a friend far away: what duel cannot do
Duel is same-screen only; it has no online play. Here is what works for friends far away: the same daily board, practice challenges and spoiler-free result links.
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Replaying past daily boards in the archive
The archive lists up to 60 real saved past UTC days. Questions that overlap today's board are held back. How replaying past days works and what to expect.
阅读文章Coming back to football after time away
Time away from football leaves gaps. Footbillion questions are historical with fixed cutoffs, so guest practice is a low-pressure way to rebuild confidence.
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Planning risk across all seven rounds
Think of a match as seven decisions. How to decide where to chase deep answers and where to bank safe ones, based on what you know rather than on gut feel.
阅读文章Running a best-of series of duels
Duels are unranked and each one is separate, so a series needs its own rules. Best-of formats, tie-breaks and one result link per game for the record.
阅读文章Why one answer can score differently in different prompts
Values are set per question, so the same country or player can be worth different points under different prompts. Why this happens and why memorising fails.
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Season notation: 2009/10 versus the year of the final
Club prompts write seasons as 2009/10, but finals are often remembered by the year they were played. How to convert in your head and avoid off-by-one mistakes.
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Sequencing three attempts when the clock is running
Three attempts and 45 seconds per prompt: how to order your guesses from ambitious to safe, and spread them over the clock so the last one still lands.
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Inviting a friend to Footbillion with a result link
Your result link works without a login, and your friend can start practising as a guest straight away. A short, spoiler-free way to bring a new fan in.
阅读文章Handing over the screen in a duel
On a shared screen, the second player may see a prompt the first already saw. Handoff habits and Ready timing keep the game fair and pleasant.
阅读文章Sharing a duel result
A shared duel result shows both players' totals and the round values without revealing answers. How to share it after a game night, and what a friend will see.
阅读文章让你的足球知识上场。
七道问题，寻找更冷门的答案，每天都有新挑战。