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  • About
  • Home
  • Blog
  • Case studies
  • Interviews
  • Tips & tricks
    • Development as ref: start with the selfscan
    • Game management
    • Goal-setting for referees
    • Effective communication
    • Mental toughness
    • Focus and concentration
  • Fitness
    • Importance of physical training
    • Fifa fitness test for referees (men and women)
    • Assistant referee fitness test
    • Change of Direction Ability (CODA) fitness test
    • Single Double Single High Intensity Interval Test
    • ARIET fitness test
    • Nutrition for referees
  • Resources
    • Football Laws of the Game
    • Futsal Laws of the Game
    • Laws of the Game Quizzes
    • FIFA refereeing international lists 2023
    • Refereeing Assistance Programme
    • Refereeing magazines
  • About
  • Blog,  facts and statistics

    Portugese players can’t stop after first yellow card

    16 August, 2011 / No Comments

    The last card stats: Portugal also leads the second yellow card competition. Players in Portugese Liga ZON Sagres also got the most yellow and straight red cards on average per match. (NB: I’m working on a visualisation of the totals, but that takes some time because I’ve to work. Hope to get it on the blog before the end of the week.) A short explanation for the the infographic below. It shows the countries where most second yellow cards are given based on data from Worldfootball.net and Futebol365.pt. How darker the tint, the more reds due to second yellow are handed out. Portugal scores 0,233333 in the stats, which means…

    Read More
    Jan ter Harmsel

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    Referee 2.0 uses smartphone app for goals and cards

    17 November, 2012
    Simona Ghisletta. Photo provided by referee.

    ‘Refereeing is expecting the unexpected’

    21 July, 2011

    Laws of the Game Quiz 2024-2025 #1

    18 September, 2024
  • Blog,  Uncategorized

    Portugal turns yellow too; Swedes not

    13 August, 2011 / No Comments

    Exactly 39 years ago, the first yellow cards were handed out in the Dutch national league. Seven were booked at the start of the 1972/1973 season, but media still struggle to figure out who got the card first. Youngest Fifa referee at that moment, 31-year-old Jan Keizer from Volendam, announced one day before the tournament in De Telegraaf that ‘referees will hand out yellow cards much faster than they did before when referees just gave warnings’. They had to be more strict on ‘laying down an opponent’ and ‘not taking enough distance when you’re in the wall’. Keizer was happy with the new measures. “They are fantastic, because they’re of…

    Read More
    Jan ter Harmsel

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    Laws of the Game Quiz 2024-2025 #1

    18 September, 2024

    Referee 2.0 uses smartphone app for goals and cards

    17 November, 2012
    Simona Ghisletta. Photo provided by referee.

    ‘Refereeing is expecting the unexpected’

    21 July, 2011
  • Blog,  facts and statistics

    Portugese national league ‘reddest’ in Europe

    10 August, 2011 / No Comments

    Players in Portugese national league get the most straight red cards per match in Europese national leagues. Each five matches in 2010/2011 season Portoguse referees showed (on average( one straight red card. Belgium, Spain, Romania and The Netherlands complete the top five of countries with hard players. Or are the referees just mild in countries like Norway (1 straight red in 21 matches), Czech Republic (1 in 15) or Ukrain (1 in 14)? In the infographic below, you can see the ‘reddest’ country based on data from Worldfootball.net and Futebol365.pt. How darker the tint, the less matches are played on average before a straight red card is handed out. The…

    Read More
    Jan ter Harmsel

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    Referee 2.0 uses smartphone app for goals and cards

    17 November, 2012

    Laws of the Game Quiz 2024-2025 #1

    18 September, 2024
    Simona Ghisletta. Photo provided by referee.

    ‘Refereeing is expecting the unexpected’

    21 July, 2011

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