Blog
Tips, guides and inspiration for corporate prediction pools.
August 24, 2026
How to Create a Prediction Pool: A Complete Step-by-Step Guide (Rules, Scoring, Software)
A complete guide to creating a prediction pool for friends, coworkers, or a sports club. We cover the rules, the scoring, and how to pick the right tool, whether that's a spreadsheet or a dedicated app.
July 29, 2026
Office hockey pool without a draft: predict the scores instead
Most hockey pools start with a draft and lose half the office by December. A score-prediction pool skips that entirely: everyone predicts every game, points are calculated automatically, and nobody has to manage a roster.
July 26, 2026
Ukrainian Premier League 2026/27 Prediction League: a private score predictor for friends at home and abroad
The new Ukrainian Premier League season starts on Friday 31 July 2026. Every fixture is already in trefa.app - 240 matches between 16 clubs, running to June 2027. Set up a private prediction league for your friends, your supporters group or your colleagues, wherever in Europe they now live, with your own scoring rules and nothing staked.
July 26, 2026
Slovak First Division 2026/27 Prediction League: a private score predictor you can start mid-season
The Slovak top flight kicked off on Saturday 25 July 2026 and the fixture list is already in trefa.app — 132 matches, 12 clubs, running to 27 February 2027. Starting a round late costs you nothing: set up a private prediction league for your mates, your supporters group or your office, with your own scoring rules and nothing staked.
July 26, 2026
Serie A 2026/27 Prediction League: predict Italian football with your group, no betting
Italian football returns on Saturday 22 August 2026, the day after the Premier League opens. Every Serie A fixture is already in trefa.app — 380 games, 38 matchweeks, 20 clubs — and the evening slots land at 17:30 and 19:45 over here. Set up a private league for your mates, your office or your supporters' group, with your own scoring and nothing staked.
July 26, 2026
Primeira Liga 2026/27 Prediction League: a private score predictor for your group
The new Primeira Liga season starts on Friday 7 August 2026. Every fixture is already in trefa.app — 306 matches, 18 clubs, 34 rounds. Set up a private prediction league for your mates, your núcleo or your office, with your own scoring rules and nothing staked.
July 26, 2026
Premier League 2026/27 Prediction League: a private score predictor for your group
The new Premier League season starts on Friday 21 August 2026. Every fixture is already in trefa.app — 380 matches, 20 clubs, 38 matchweeks. Set up a private prediction league for your mates, your supporters' club branch or your office, with your own scoring rules and nothing staked.
July 26, 2026
Ligue 1 2026/27 Prediction League: predict French football with your group, no betting
French football returns on Friday 21 August 2026, fifteen minutes before the Premier League opener on the same evening. All 306 Ligue 1 fixtures are already in trefa.app, so your mates, your office or your supporters' group can call the scores, watch one shared table and stake nothing at all.
July 26, 2026
Liga I 2026/27 Prediction League: a private score predictor you can start mid-season
The Romanian top flight kicked off on 17 July 2026, but nothing stops you starting now. Every fixture is already in trefa.app — 240 matches, 16 clubs, 30 rounds. Build a private prediction league for your mates, your supporters' group or your office, with your own scoring rules and nothing staked.
July 26, 2026
La Liga 2026/27 Prediction League: a private Spanish football predictor for your group
Spanish football is back on Saturday 15 August 2026, six days before the English season starts. All 380 La Liga fixtures are already in trefa.app, so your mates, your office or your supporters' group can call the scores, watch one shared leaderboard and stake absolutely nothing on it.
July 26, 2026
HNL 2026/27 Prediction League: a private score predictor for your group
The Croatian top flight is back on Friday 31 July 2026. The whole season is already in trefa.app — 180 fixtures, 10 clubs, 36 rounds. Set up a private prediction league for your mates, your supporters' club or the Croatian crowd in your city, with your own scoring rules and nothing staked.
July 26, 2026
Eliteserien 2026 Prediction League: a private score predictor for your group
Norway's top flight runs on a calendar season, so Eliteserien 2026 is already in full swing — and it does not finish until Sunday 13 December. Every fixture is in trefa.app: 240 matches, 16 clubs, 30 rounds. Start a private prediction league for your mates, your supporters club or your office, with your own scoring rules and nothing staked.
July 26, 2026
Bundesliga 2026/27 Prediction League: a private table for your group, no betting
The Bundesliga starts on Friday 28 August 2026, a week after the Premier League. Every fixture is already in trefa.app — 306 matches, 18 clubs, 34 matchdays. Set up a private prediction league for your mates, your office or your supporters' club, with your own scoring rules and nothing staked.
July 26, 2026
Allsvenskan 2026 Prediction League: a private score predictor you can join mid-season
Allsvenskan 2026 is already under way and runs until Sunday 29 November 2026. All 240 fixtures across 30 rounds are in trefa.app, so a group can start a private prediction league from the next round with everyone on zero - for friends, colleagues or a supporters club, with your own scoring rules and nothing staked.
July 22, 2026
Ekstraklasa 2026/27 Prediction League: predict the Polish league without betting
The new season of Poland's Ekstraklasa kicks off on 24 July 2026. In trefa.app the complete schedule is ready — 306 matches, 18 teams. Set up your own prediction league for your mates, fan club or company.
July 22, 2026
Chance Liga 2026/27 Prediction League: predict the Czech league without betting
The new season of the Czech top flight kicks off on 25 July 2026. In trefa.app the complete Chance Liga is ready — 240 matches, 16 teams. Set up your own prediction league for your mates, fan club or company.
July 11, 2026
Prediction League for Supporters' Clubs: 14 European National Leagues in 2026/27
The 2026/27 football season is here. Discover how easy it is to create a private prediction league tailored to your supporters' club—whether you support a team in England, Czechia, or Spain.
July 11, 2026
2026/27 European Cups Prediction League: Champions League, Europa League, and Conference League
The World Cup may be ending, but top-tier football doesn't wait. We're smoothly transitioning into the club season and European cups, which are best enjoyed with friends in your own prediction league.
May 30, 2026
World Cup 2026 Prediction Game: How to Run a Free Prediction League at Work or With Mates
Run a free World Cup 2026 prediction game for your office or friends. No betting, no spreadsheets, no app store — just predictions, points, and a shared leaderboard across all 104 matches.
May 25, 2026
Where to Watch Football World Cup 2026 Free in Czech Republic (ČT, Nova, Oneplay)
May 25, 2026
Third-Place Teams Table at Football World Cup 2026: How Qualification Works
May 25, 2026
How to Organize a Football World Cup 2026 Prediction League (Step by Step)
May 25, 2026
Football World Cup 2026 Prediction Game with Friends (Free Basic Version, No Betting)
May 25, 2026
Football World Cup 2026 Groups: Complete Overview of All 12 and Favourites
An overview of all 12 groups at the 2026 FIFA World Cup: favourites, key fixtures, debutants and the qualification format for the expanded 48-team tournament.
May 25, 2026
Your own prediction league for the 2026 Football World Cup: set the scoring rules exactly the way you want
The 2026 Football World Cup kicks off on 11 June and the whole tournament is already prepared in our app. Setting up a league is a matter of minutes — the real magic is the flexibility of the scoring.
May 25, 2026
How to run a company prediction league for the 2026 Football World Cup (step by step)
The 2026 Football World Cup kicks off on 11 June. A guide on how to build a company prediction league in five minutes to keep your colleagues engaged throughout the 39 days of the tournament.
May 21, 2026
Prediction League with Friends: How to Create a Private Score Predictor Game (Free Basic Version)
A step-by-step guide to setting up a private prediction league for your friends. Customize your rules, scoring, and rewards, and let the results and points land on their own.
May 17, 2026
How to set scoring rules for an office prediction league
Scoring is the underrated detail that decides whether your prediction league ends up with 5 or 50 players. Three pillars, recommended values and mistakes to avoid.
May 17, 2026
Why PWA is not dead: a trefa.app case study
The Progressive Web App hype is over, but the technology has quietly matured. What trefa.app learned during a year in production with thousands of users on iOS and Android.
May 17, 2026
A prediction league for small teams: what fits in the basic version
A prediction league for a small team can start without spending a thing. Full core features, automatic result syncing and a leaderboard that recalculates itself after every match — free in the basic version.
May 17, 2026
Prediction league without registration: safer with Google sign-in
A prediction league where participants sign in with a single click via Google. No new password, no leak risk, no account management.
May 17, 2026
Why company competitions work better than forced teambuilding
Forced teambuilding often hits the wall of reluctance. A sports prediction league connects colleagues more naturally, voluntarily and without a big budget.
May 17, 2026
5 most common mistakes when running company competitions
A company competition does not fail because of a bad idea. It fails on five small things that repeat in almost every team. What they are and how to avoid them.
May 17, 2026
10 ideas for company competitions that really bring the team closer
10 ideas for company competitions that work even for hybrid teams and do not require a big budget. From an Ice Hockey World Championship prediction league to a baking contest.
May 9, 2026
How to run a company prediction league for the 2026 Ice Hockey World Championship (step by step)
The 2026 Hockey World Championship kicks off on May 15 in Zurich and Fribourg. A guide on how to build a company prediction league in five minutes — free in the basic version.
May 9, 2026
Prediction league vs. Excel: why a dedicated tool is worth it
Excel is versatile, but for a live prediction league with dozens of people it hits its limits. A fair comparison of when a spreadsheet is enough and when it is time to switch.