The 4th WEOI (2026) will be held on June 26th – 28th, in a hybrid format in Luxembourg.

Results

Full scoreboard

The full scoreboard is available at:
https://weoi.org/results/2026/

Tasks

Statements

Rybina
Folding
Machine
Landmarks

Solutions

Folding
Machine
The rest will be published soon…

Gallery

Participating Teams

In alphabetical order

	Belgium On-site Team Leaders Robin Jadoul Alban Van Vyve	Noé Zech Thomas De Bruyn Edward Rosseel Joaquim Schaeverbeke Paul Van Schaftingen Chong Shan
	France On-site Team Leaders Louis Jachiet Yixuan Qu	Clemence Pham Ines Fischler Coraline Kalbfleisch Valentine Pommier Hao Yuan Jiao Raphael Pons Daniil Jarykaou Joachim Bienvenüe
	Ireland Online Team Leaders David Canesi	Mykyta Telychko Afric Deasy Séamas Riordan Ben Maguire
	Italy On-site Team Leaders Lorenzo Ferrari Fabrizio Brioni	Sofia Maragò Nicholas Bamber Matteo Artale Matteo Cappiello Giovanni Tasselli Miriam Pividori Marco Gambaro Giovanni Maiellaro
	Luxembourg On-site Team Leaders Pascal Zeihen Laura Shaw Barragán	Sophie Zeihen Alex Avila González Adrian Maurice Mai Tudor Paltanea Marwan Lamesch Ferenc Ban Anne Banthrongsakd
	Netherlands On-site Team Leaders Thijs Marinussen Wendoline Timmerman	Karel Hofman Jelte Loeve Gideon Beerens Niek Van Delft Zoe Yao Alexandru Stanciu
	Portugal On-site Team Leaders Pedro Ribeiro Vasco Cruz	Luís Morais Anton Gavrilov David Montenegro Luís Dias Diogo Rosado Alexandre Rodrigues Lília Abraços
	Spain On-site Team Leaders Amal Dokkar El Hamoudi Manuel Torres Cid	Andrii Basov Guillem Vizcarro Sánchez Del Valle David Lago Alonso Daniel Simon Carpenter Ricardo Batanero Moranchel Rodrigo Nieto Petinal Vera Morancho Bargas Ariadna Puertas Caballero
	Switzerland On-site Team Leaders Ferdinand Ornskov Leo Chen	Jonathan Braun Aliaksei Badnarchuk Laetitia Sophia Orglmeister Myriam Faltin Jovian Soejono Máté Makai Andrej Ševera Hongjia Meng
	United Kingdom On-site Team Leaders Richard Forster Sam Trajtenberg	Daphne Carmesin Yuvan Raja Andrew Hsu Alexa Lee Ananya Bhadra Tvisha Shah

Schedule

Day	Time	Activity	Location
June 26th (Friday)	13:00 – 19:00	Arrivals Registration	Youth Hostel
	19:00 – 22:00	Dinner Activities	Youth Hostel
June 27th (Saturday)	07:00 – 08:00	Breakfast	Youth Hostel
	08:00 – 09:00	Walk to contest hall
	09:00 – 11:00	Practice contest	LGL
	11:00 – 13:00	Lunch	LGL
	13:00 – 17:00	Contest	LGL
	18:00 – 19:00	Walk back to hostel
	19:00 – 22:00	Dinner Activities	Youth Hostel
June 28th (Sunday)	07:00 – 09:00	Breakfast	Youth Hostel
	09:30 – 11:00	Closing ceremony	Sang & Klang
	12:00 – 14:00	Lunch (hostel)	Youth Hostel
	14:00 – 22:00	Activities Departures	Youth Hostel

Environment

All contestants must participate using the same contest environment: a virtual machine which is mandatory to be running on their personal laptop.
This is the lastest official virtual machine.
All contestants must be running from within this VM.

A guide to install and use the virtual machine can be found here.

Attention: This virtual machine has internet restricted to only allow access to the contest platform.

Regulations

Contributors

This year’s olympiad was made possible thanks to the contributions of:

Host committee	Luca Courte (Head) Laura Shaw Pascal Zeihen
Scientific committee	Daniel Murphy (Head) Damien Leroy Suneet Mahajan Luca Versari Félix Moreno Peñarrubia Cheng Zhong Hugo Peyraud-Magnin Erekle Roinishvili Jeroen Krijgsman Jelle van der Drift
Task authors	Hanks Chong (Folding, Landmarks) Samuel Trajtenberg (Machine) Jeroen Krijgsman (Rybina)
Technical committee	Luca Versari Jacobo Vilella Eljakim Schrijvers
Design	Eljakim Schrijvers
Communication	Jacobo Vilella