Four armies, one community
Clubs, local tournaments and gatherings across Spain. Find your nearest club, register yours or join the club directly.
Official site
QCE
QCE · Quaternity Clubs España
Four players. Four armies. One 12×12 board.
Discover, play and learn Quaternity with the Quaternity Clubs España association.
Official site for the promotion and development of the Quaternity game in Spain.
Discover Quaternity →
Now at QCE
What's happening at the club
European Championship
Quaternity European Championship — Madrid 2026
Player registration is closed. There are last places left to attend as public, with limited capacity.
Discover Quaternity
Learn Quaternity by playing. A hands-on journey to get to know the board, understand positions and start playing using QCE's tools.
Discover the course
Discover + Play
A strategy game for four minds
Quaternity is played on a 12×12 board with four players and four armies. If you know chess, you can start in a few minutes; and if you want to go deeper, you have tools to learn, practise and play online.
- 12×12 board · 144 squares · four armies
- Four colours, four players, one shared game
- Different ways to start depending on your experience
For those who already know chess
Play in one minute
A quick, guided tour to discover the essential differences of Quaternity and start moving pieces from the very first moment.
Play in one minute
Practise and improve
QCE Training
Progressive exercises to train movement, board reading, check, checkmate and situations unique to Quaternity, at your own pace.
Go to trainingDiscover → Practise → Play online
Boards and material
Get a physical Quaternity board and discover the game beyond the screen too.
See boards →
Learn
Four paths, one board
Quaternity is best learned by combining explanation, understanding and practice. QCE brings together four complementary tools so you can progress at your own pace.
School
Members only
Learn
The fundamentals of Quaternity explained step by step, from how each piece moves to the essential situations of the game.
Enter School →
Course Q
Members only
Understand
A journey to better understand the logic of positions, decisions and the development of a Quaternity game.
View Course Q →
Training
Practise
Progressive exercises to train movement, board reading, check, checkmate and situations unique to Quaternity.
Go to training →
Rules
Consult
Quaternity's official rulebook and special situations, always available as a reference.
See rules →
QCE Challenge of the day
Can you see it?
A Quaternity position to solve today. Test your reading of the board and then compare how the community has rated it.
Daily exercise · Free access
Solve the challenge
The community's difficulty rating is available once you solve it with your member account in Training.
Community
Quaternity is built by playing together
Being part of QCE means joining a community of players, learning and practising with the Association's tools, meeting around the board and contributing to the growth of Quaternity in Spain.
Community
Become a member
Join the Club
Access the Private area and the content and activities reserved for members, such as School, Course Q and QCE's training programmes.
Join the Club →
Start a club in your city
I want to start a club
Already playing in your city, or want to bring together a first group? Tell us where you are and we'll help you take the first steps.
I want to start a club →
Find us playing
See events
Games, gatherings, championships and open activities to discover Quaternity around a board.
See events →
Featured event
Quaternity at El Retiro
During the European Championship we'll set up three boards at El Retiro park for anyone who wants to come and play.
Activity subject to weather and organisational conditions.
See activity →
QCE Gallery
Moments of Quaternity
Championships, gatherings and community activities from QCE, on and off the board.
QCE Memory
Past championships
Editions already held. The complete photographic record lives in the official gallery.
Watch Quaternity
Tutorials, games and live streams
Learn by watching how the game is played, how a position is thought through, and how Quaternity is experienced in games, interviews and gatherings.
ENTREVISTA
Entrevistas Toledo #1 - Anael: estrategia, comunidad y competición
@at_quaternity
Ver vídeo →
ENTREVISTA
Entrevistas Toledo #2 (Parte 1) | Yago: Historia, actitud y emociones
@at_quaternity
Ver vídeo →
ENTREVISTA
Entrevistas Toledo #2 (Parte 2) | Yago: Comunidad, consejos para mejorar y cuestionario
@at_quaternity
Ver vídeo →
Contributing channel
AntonioToledo1962
Quaternity content created by Antonio Toledo, with interviews, games, tutorials and audiovisual material.
See full channel →What would you like to see?
Tutorials, game analysis, interviews and new proposals about Quaternity.
Suggest content →
Quaternity internationally
Spain — QCE
QCI — International Federation
Associated clubs in Europe
See QCI
News
Latest club news
02 SEP 2026
Last places to attend as public
Player registration for the Quaternity European Championship — Madrid 2026 is now closed. There are last places left to attend as public, with limited capacity.
Reserve a public place
18 AUG 2026
New "Discover Quaternity" course available
A guided path designed for those playing for the first time.