Pieter Robberechts
@probberechts.bsky.social
๐ค 910
๐ฅ 104
๐ 23
PhD student
@dtai-kuleuven.bsky.social
, applying Machine Learning on sports data.
Before an app launches, it undergoes usability testing. Why shouldn't an advanced sports metric? In our latest blog, we propose 4 criteria: 1๏ธโฃ Trustworthy 2๏ธโฃ Novel 3๏ธโฃ Intuitive 4๏ธโฃ Useful Then, we put VAEP to the test... \w
@jessejdavis.bsky.social
& Maaike Van Roy
dtai.cs.kuleuven.be/sports/blog/...
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How Do We Know a Metric Is Good? A Case Study on VAEP
In sports analytics, the primary goal is to develop indicators that quantify the skills, capabilities, and tendencies of athletes andโฆ
https://dtai.cs.kuleuven.be/sports/blog/how-do-we-know-a-metric-is-good-a-case-study-on-vaep/
about 11 hours ago
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Jesse Davis
11 days ago
We can use xG to compute post-hoc win-draw-loss probabilities. Our new blogpost shows MCMC's estimates of these probabilities are unstable, computing them exactly is faster than approximating them, and MCMC's runtime strongly depends on its implementation.
dtai.cs.kuleuven.be/sports/blog/...
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Expected goals and the Monte Carlo Trap
On a team level, xG is often used to assess the quality of the goal scoring opportunities that a team creates and concedes. That is, itโฆ
https://dtai.cs.kuleuven.be/sports/blog/expected-goals-and-the-monte-carlo-trap/
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Looking forward to the
#MLSA25
workshop next week at
@ecmlpkdd.org
! We'll have some exciting research on soccer, ultimate frisbee, basketball and table tennis. โฝ๐ฅ๐๐ Want a sneak peek? The papers are already available on the workshop website ๐
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MLSA 2025
Workshop on Machine Learning and Data Mining for Sports Analytics at ECML/PKDD 2025
https://dtai.cs.kuleuven.be/events/MLSA25/schedule.php
14 days ago
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Christina
19 days ago
The Carnegie Mellon Sports Analytics Conference is an annual event dedicated to highlighting the latest sports research from the statistics and data science community. Registration for the 2025 CMSAConference is open. ๐
www.cmsaconference.com
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John Muller
19 days ago
โWhat if, when the opposition has 11 players behind the ball, a centre-back decided it was more worthwhile to โkick for touchโ rather than attempt to play through midfield?โ Oh boy do I have a research presentation for you
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Boot it: A pragmatic alternative to build up play, Lorenzo Cascioli | Hudl Statsbomb Conference 2024
YouTube video by Hudl Statsbomb
https://youtu.be/OuiQBt9-lBA
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Pieter Robberechts
Jesse Davis
about 1 month ago
Excited to announce a new paper together with
@sigridolthof.bsky.social
entitled "Perspectives on data analytics for gaining a competitive advantage in football: computational approaches to tactics". This is a synthesis article that has 3 key objectives
www.tandfonline.com/doi/epdf/10....
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Perspectives on data analytics for gaining a competitive advantage in football: computational approaches to tactics
https://www.tandfonline.com/doi/epdf/10.1080/24733938.2025.2533784?needAccess=true
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reposted by
Pieter Robberechts
PySport
about 1 month ago
๐ท ๐๐ฒ๐๐ฉ๐จ๐ซ๐ญ ๐ ๐๐ฒ๐๐๐ญ๐ ๐๐ข๐ง๐๐ก๐จ๐ฏ๐๐ง ๐๐๐ฅ๐ฅ ๐๐จ๐ซ ๐๐ซ๐จ๐ฉ๐จ๐ฌ๐๐ฅ๐ฌ! ๐ถ On December 9th @PyData Eindhoven and
@pysport.org
will organize ๐๐ฒ๐๐๐ญ๐ ๐๐ข๐ง๐๐ก๐จ๐ฏ๐๐ง ๐๐๐๐! ๐๐จ๐ซ๐ ๐ข๐ง๐๐จ:
lnkd.in/eBGWKs3V
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Chloe
2 months ago
Your fave womenโs footie analytics gals (
@cata-bush.bsky.social
and myself, ofc) are at it again! Below is a VAEP inspired breakdown of the Womenโs Euros group stages - read to see which players and teams have shown out or bombed (whoops, Netherlands ๐):
open.substack.com/pub/beyondth...
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5 takeaways from the Women's Euro group stages
The Womenโs Euros kicked off at the start of July and Catalina Bush and I launched an online app using the Value Actions by Estimating Probabilities (VAEP) framework. The app is being updated after ev...
https://open.substack.com/pub/beyondthetouchline/p/5-takeaways-from-the-womens-euro?utm_source=app-post-stats-page&r=3gmn6f&utm_medium=ios
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Our Women's Euro 2025 predictions are out! ๐ฎ Spain ๐ช๐ธ is our model's favorite to win the title, with Germany ๐ฉ๐ช close behind. Meanwhile, Belgium ๐ง๐ช will most likely be eliminated in the group stage. w\
@jessejdavis.bsky.social
dtai.cs.kuleuven.be/sports/blog/...
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Predicting the 2025 Women's European Championship
The UEFA Womenโs Euro 2025 will be held in Switzerland in July. Will Spain capture the title after winning the World Cup in 2023? Or willโฆ
https://dtai.cs.kuleuven.be/sports/blog/predicting-the-2025-women's-european-championship/
3 months ago
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Our Women's Euro 2025 predictions are out! ๐ฎ Spain ๐ช๐ธ is our model's favorite to win the title, with Germany ๐ฉ๐ช close behind. Meanwhile, Belgium ๐ง๐ช will most likely be eliminated in the group stage. w\
@jessejdavis.bsky.social
dtai.cs.kuleuven.be/sports/blog/...
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Predicting the 2025 Women's European Championship
The UEFA Womenโs Euro 2025 will be held in Switzerland in July. Will Spain capture the title after winning the World Cup in 2023? Or willโฆ
https://dtai.cs.kuleuven.be/sports/blog/predicting-the-2025-women's-european-championship/
3 months ago
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Pieter Robberechts
Kuba Michalczyk
3 months ago
We're looking for an ML Engineer to join our team at Sportec Solutions. Lots of exciting projects in the pipeline, including ones with skeletal-tracking data. Apply or pass it on to someone who might be interested!
sportec-solutions.jobs.personio.de/job/2151299?...
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Football Machine Learning Engineer | Jobs at Sportec Solutions AG
At Sportec Solutions, a joint venture between Deltatre and the DFL Group based in Munich, we develop innovative solutions in sports data and technology. Since our founding in 2016, we have been commit...
https://sportec-solutions.jobs.personio.de/job/2151299?language=en&display=en
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Pieter Robberechts
PySport
3 months ago
๐ Ingestify 0.7.0 is live Parsing football data with kloppy is fun. The hard bit is fetching raw files and keeping them clean and version-safe. Thatโs the gap Ingestify fills.
github.com/PySport/inge...
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I strongly believe biomechanical analysis will be the next big leap in sports analyticsโand not just for the pros. I got a glimpse by testing the
@runeasi.bsky.social
sensor (a
@dtai-kuleuven.bsky.social
spin-off) and wrote about how it helped during my marathon training โ
runeasi.ai/my-marathon-...
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My Marathon Journey with Runeasi by Pieter Robberechts
Discover my marathon journey with Runeasi by Pieter Robberechts, including my race day experience and new personal best of 2:31:59.
https://runeasi.ai/my-marathon-journey-with-runeasi/
3 months ago
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Had the pleasure of attending the Linkรถping Hockey Analytics Conference this week. Thought โicingโ was just for cakes, but somehow they still let me on stage ๐ Loved the welcoming community and saw lots of familiar ideas with huge potential across sports.
#LINHAC
4 months ago
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Jesse Davis
4 months ago
Iโm honored by
@leanderalphabet.bsky.social
excellent write up of our soccer research! Lots of credit to my wonderful collaborators
@janvanhaaren.be
@wannesm.bsky.social
@probberechts.bsky.social
Maaike Lotte Tom
@lorenzocascioli.bsky.social
@hugoriosneto.bsky.social
Max Arne Tim & so many others
add a skeleton here at some point
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The Guardian
4 months ago
The Belgian lab shaping modern soccerโs data revolution
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The Belgian lab shaping modern soccerโs data revolution
A small corner of one of the worldโs oldest universities has moved the sport forward, and made the argument for research institutions writ large
https://www.theguardian.com/football/2025/jun/03/soccer-analytics-jesse-davis-leuven?utm_term=Autofeed&CMP=bsky_gu&utm_medium=&utm_source=Bluesky#Echobox=1748952603
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๐ Something's changed at
kloppy.pysport.org
Weโve completely rewritten and reorganized ๐ค๐ฅ๐จ๐ฉ๐ฉ๐ฒ's documentation, now with: โข ๐ Quickstart Guide for new users โข ๐ API Reference for power users Dive in & let us know what you think!
@pysport.org
๐คฉ
4 months ago
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The paper submission deadline is approaching! Submit your work to our ๐๐จ๐ซ๐ค๐ฌ๐ก๐จ๐ฉ ๐จ๐ง ๐๐ & ๐๐๐ญ๐ ๐๐ข๐ง๐ข๐ง๐ ๐๐จ๐ซ ๐๐ฉ๐จ๐ซ๐ญ๐ฌ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ at
@ecmlpkdd.org
by ๐๐ฎ๐ง๐ ๐๐!
add a skeleton here at some point
4 months ago
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Lorenzo Cascioli
5 months ago
๐จThe third and final blog post in our series on possession value models design decisions๐: Can the features chosen to represent the game state inadvertently bias player ratings? w/
@probberechts.bsky.social
@jessejdavis.bsky.social
Lode Van Tente
dtai.cs.kuleuven.be/sports/blog/...
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An experimental analysis of possession state value models: part 3
Conceptually, possession value approaches such as VAEP, PV, OBV, and g+ are all identical: they estimate the chances of scoring (andโฆ
https://dtai.cs.kuleuven.be/sports/blog/an-experimental-analysis-of-possession-state-value-models:-part-3/
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๐ฃ Excited to share that the Workshop on Machine Learning and Data Mining for Sports Analytics (MLSA) will be held again this September as part of
@ecmlpkdd.org
! w/
@hugoriosneto.bsky.social
,
@azimmerdm.bsky.social
and Maaike Van Roy
dtai.cs.kuleuven.be/events/MLSA25
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MLSA 2025
Workshop on Machine Learning and Data Mining for Sports Analytics at ECML/PKDD 2025
https://dtai.cs.kuleuven.be/events/MLSA25
6 months ago
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Albrecht Zimmermann
6 months ago
The proceedings of the latest edition of our (
@jessejdavis.bsky.social
,
@janvanhaaren.be
, Ulf Brefeld) workshop are finally out:
link.springer.com/book/10.1007/978-3-031-86692-0
And the organization for this year's edition's already underway:
dtai.cs.kuleuven.be/events/MLSA25/
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Machine Learning and Data Mining for Sports Analytics
The MLSA 2024 proceedings focus on the application of machine learning and data mining techniques to the domain of sports.
https://link.springer.com/book/10.1007/978-3-031-86692-0
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Pieter Robberechts
PySport
7 months ago
โญ ๐๐ฒ๐๐ฉ๐จ๐ซ๐ญ ๐ ๐๐ญ๐๐ญ๐ฌ๐๐๐ซ๐๐จ๐ซ๐ฆ ๐๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐ญ๐ฒ ๐๐ข๐๐ค๐๐ญ๐ฌ ๐น๐๐๐ ๐ถ๐๐๐๐ข๐๐๐ก๐ฆ ๐๐๐๐๐๐ก๐ are available for our ๐๐ฆ๐๐๐๐๐ก ๐ Stats Perform event in London on March 17th! ๐๏ธ We'll have various talks by Jonny Whitmore &
@dannydinsdale.bsky.social
, Sebastien Coustou,
@tk5.futbol
, Manuel Bassek (Floodlight) and more!
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Love this! ๐ง๐ช 5K runner John Heymans used machine learning to optimize his race schedule for the best shot at Olympic qualificationโwriting the algorithm himself with a little help from ChatGPT. ๐โโ๏ธ๐ป
www.youtube.com/watch?v=PVDa...
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He Used ChatGPT to Qualify for the OLYMPIC Games and This Is How YOU CAN DO IT TOO
YouTube video by John Heymans
https://www.youtube.com/watch?v=PVDaKx9axIE
7 months ago
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Jesse Davis
7 months ago
We are hiring for PhD positions! Iโm looking for people interested in exploring the intersection of learning and reasoning with applications to anomaly detection and sports.
@dtai-kuleuven.bsky.social
@wannesm.bsky.social
www.kuleuven.be/personeel/jo...
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Several PhD Positions in Artificial Intelligence at Computer Science KU Leuven
All positions are in the Machine Learning subgroup of the Section for Declarative Languages and Artificial Intelligence (DTAI), which is part of the Department of Computer Science at KU Leuven. The DT...
https://www.kuleuven.be/personeel/jobsite/jobs/60438292?utm_medium=jobsites&utm_source=AcademicPositions
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This is a great initiative by @PySport! A common theme in the discussion was how many started their projects to learn. For me, contributing to open-source and collaborating with others has been instrumental in becoming a better programmer. Excited to see whatโs next! ๐
add a skeleton here at some point
7 months ago
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devinpleuler
8 months ago
I built ๐๐๐ฟ๐ฒ๐ฎ๐บ๐น๐ถ๐-๐๐ผ๐ฐ๐ฐ๐ฒ๐ฟ, a custom React component for Streamlit for working with soccer tracking data. And a blog post on ๐๐ถ๐ด ๐๐ฎ๐๐ฎ, ๐ง๐ถ๐ป๐ ๐ง๐ฒ๐ฎ๐บ๐
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Big Data, Tiny Teams
Introducing streamlit-soccer and some thoughts on team tools
https://www.centralwinger.com/p/big-data-tiny-teams
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PySport
9 months ago
๐ ๐ค๐ฅ๐จ๐ฉ๐ฉ๐ฒ==๐.๐๐.๐ Happy Holidays to the Sports Analytics Community! This release contains some exciting updates, you can find the highlights in this thread. But first, we're really excited that
@probberechts.bsky.social
has officially joined as a maintainer! ๐
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Ryan O'Hanlon
9 months ago
"we know nothing about how soccer actually works", pt. 47,321
dtai.cs.kuleuven.be/sports/blog/...
add a skeleton here at some point
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Joris Bekkers
9 months ago
๐โโ๏ธโช ๐โโ๏ธ ๐๐ง ๐๐ง๐ญ๐ฎ๐ข๐ญ๐ข๐ฏ๐ ๐๐๐๐ฌ๐ฎ๐ซ๐ ๐๐จ๐ซ ๐๐ซ๐๐ฌ๐ฌ๐ข๐ง๐ ๐ข๐ง ๐๐จ๐๐๐๐ซ It's been over a year now since I was invited to present my ๐๐ซ๐๐ฌ๐ฌ๐ข๐ง๐ ๐๐ง๐ญ๐๐ง๐ฌ๐ข๐ญ๐ฒ metric to a small group of people at a SkillCorner event in Dallas, TX. I've finally put some effort into writing a blog on it!
unravelsports.github.io/2024/12/12/p...
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๐ฌ An Intuitive Measure for Pressing
For a long time Iโve had the aim to develop an intuitive measure for pressing that can be used by coaches, assistants and (data) analysts to identify and analyze pressing situations, compute advanced ...
https://unravelsports.github.io/2024/12/12/pressing-intensity.html
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Jesse Davis
9 months ago
Part 2 in our series on possession value models design decisions๐: How the definition of "near future" has interesting effects on player ratings. It's not about 'better,' but about understanding the nuances.
@probberechts.bsky.social
lorenzo cascioli lode vantente
dtai.cs.kuleuven.be/sports/blog/...
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An experimental analysis of possession state value models: part 2
Conceptually, possession value approaches such as VAEP, PV, OBV, and g+ are all identical: they estimate the chances of scoring (andโฆ
https://dtai.cs.kuleuven.be/sports/blog/an-experimental-analysis-of-possession-state-value-models:-part-2/
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devinpleuler
10 months ago
These are some of my favourite "tricks" that I've picked up over the last few years that have been particularly useful in soccer analytics.
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Bรฉziers, Bivariates, and Beyond
Some Tricks I Wish I Knew Earlier
https://www.centralwinger.com/p/beziers-bivariates-and-beyond
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Jesse Davis
10 months ago
We're doing a deep dive into possession value models. While VAEP, g+, PV & OBV are conceptually identical, they make different design choices. We look at using (no) goal vs. xG as the target variable. w/Lorenzo Cascioli
@probberechts.bsky.social
Lode Van Tente
dtai.cs.kuleuven.be/sports/blog/...
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Three key design decisions for possession state value models: an experimental analysis
A fundamental question for anyone interested in soccer is how to evaluate a playerโs individual contributions using data. While countingโฆ
https://dtai.cs.kuleuven.be/sports/blog/three-key-design-decisions-for-possession-state-value-models:-an-experimental-analysis/
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Christina
10 months ago
"Methodology and evaluation in sports analytics: challenges, approaches, and lessons learned." (
Davis et al., 2024
) One of my favourite papers so far this year, in part because it mentions face validity. I shared it in that other place a few months ago. Worth a shout here too.
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Methodology and evaluation in sports analytics: challenges, approaches, and lessons learned - Machine Learning
There has been an explosion of data collected about sports. Because such data is extremely rich and complex, machine learning is increasingly being used to extract actionable insights from it. Typical...
https://link.springer.com/article/10.1007/s10994-024-06585-0
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