IChC | Submission

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Submission

Here, you can submit your solution to the Qualification Round 2026 (Download [PDF]) and participate in this year's edition of IChC. If you have not yet solved the problems, please solve them and come back here to submit your solution.

Full Name

IMPORTANT: Make sure to write your full name (forename and surname) correctly. Do not write in capital letters (Wrong: ~~JOHN HENRY~~, Correct: John Henry). This name will be used for all certificates!

Date of Birth

IMPORTANT: It is important that you enter your correct date of birth. Depending on your age group, you will have to score more points to qualify for the next round. We verify the age of all winners.

Country

City

Information: Please select the country and city in which you are currently studying.

E-Mail

Information: We will send all relevant information to this e-mail address. Make sure to check the spam folder. You can also log into your participant account to check your results (recommended!).

Set Password

Information: Your password has to be at least eight characters long. You will need your password to log into your participant account and check your results & certificates online: Login for Participants

Name of School or University

IMPORTANT: Please select or write down your full official school/university name. If your school does not appear in the selection, you can write it down yourself.

Current Grade or Year of Study

IMPORTANT: Please select your grade or year of study at the official submission deadline (29 March 2026). Please note that your age will be considered for the age group selection: Learn More

E-Mail of School or Science Teacher (optional)

IMPORTANT: If you become a winner, we will inform your school/university about your outstanding achievement.

Your Solution to the Qualification Round 2026 (Download [PDF])

IMPORTANT: Please upload one single file with your solution to the Qualification Round. The file may be typed digitally, or it may be a clear picture of your handwritten notes. The following file types are allowed: PDF, JPG, JPEG, PNG. We do NOT accept DOC, DOCX, ZIP, etc. files.

Do you have multiple pictures?: If you have multiple pictures, please combine the pictures into one single PDF file. You can do so with this online tool: ImgToPdf

Do you have a Word file?: If you have typed your solution using Microsoft Word (.doc, .docx), please convert the file to PDF. You can do that on your computer or with this online tool: PDF-Convert

Your file is too big?: If your file is bigger than 10 MB, please compress your file to a smaller size. You can use the following online tool to compress PDF files: PDF-Compress

Your IChC Ambassador (optional)

Information: This field is optional. Please select an ambassador if you had personal contact with one of the ambassadors. Do not select a person if you do not know any ambassador personally. To better assist you, your ambassador will have access to your personal details, e-mail, results, and certificates.

How did you hear about IChC? (optional)

Information: This helps us improve our communication with interested students.

Preferred Language (optional)

Information: Select the language that you would like to receive the e-mails and communications in. Please note that the original language is English and all other languages contain automatic translations. You can change your selection at any time through your participant account.

Please note that qualified participants need to cover the Semi-Final Round registration costs themselves to register and participate in the Semi-Final Round (Learn More). Also, to participate in the Final Round, a high school or university teacher is recommended to conduct and supervise the Final Exam.

I agree to the Rules and Data Policy of IChC 2026.

Learn about our Partner and Sponsor: Traditionelle Chinesische Medizin (TCM) & Akupunktur Praxis von Danjing Klodwig in Düsseldorf