Blog
Tips, guides and inspiration for corporate prediction pools.
September 26, 2026
NHL prediction league with friends 2026/27: no draft, no betting
The NHL regular season starts on 29 September 2026. Skip the draft: everyone predicts the scores, the app keeps the table, and nobody puts in money.
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
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
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
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 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
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
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.