CodeCup 2017 - An online programming competition  

CodeCup 2017 - An online programming competition

Welcome to CodeCup!

We offer you a challenging programming contest. Anybody can participate; there are no age restrictions or other special requirements. The CodeCup never charges entry fees.

In 2017 the game for the contest is less. We have placed a description of the rules online. You can always watch a sample game being played.


After you login in to the CodeCup system you can submit your program. You can find the submission section under "My submissions". Your submission will be tested automatically against our sample players to ensure that it follows the rules. After passing this check your program is ready to compete! Note that your program must be capable of playing both as black and white.

We will hold test competitions every three weeks starting at the end of September. In these competitions you will see how your program performs against other players. You can follow the complete games and use this information to improve your strategy.

The official less competition has been scheduled for February 4th 2017.

Testing at home - Caia

The CodeCup Team enables you to test your program at home. Our testing software is free and enables you to organize competitions at home without involvement of other people. The software to play at home is called Caia. It works in the same way as our contest software. By hosting your own local competition you can test and improve your program in a fast and easy way. Download Caia and start today!


Due to some technical difficulties the test competition will be delayed to at the earliest 3 pm UTC

Today (3 December) we have the first test competition. We have had a problem in the checker. That is solved now. We have run a hidden competition on 2 December without any problem. Tomorrow (4 December) new tarballs will be made and uploaded. When they are uploaded, a news item about them will be published.

On the one hand we are really happy te announce the 2017 CodeCup game Less. On the other side we regret it publishing it so late. Our apologies. The smaller CodeCup contest for students (More) was published some time ago. So there were some clues that Less might be the bigger brother of More. We spread out and later on confirmed that rumor in the forum. Very soon the submissions section will be open and is the website fully operational. Due to the late publication the final competition will be held on Saturday 4 February.