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Instructions for online qualifications

To qualify for the live championships, you need to participate in the qualifications. These qualifications take place online, from Friday March 8th 12:00 (CET) until Monday March 11th 11:59 (CET).

To participate in the online qualifications you need to register.

How to get the Instruction Booklet?

The Instruction Booklet in pdf format for both competitions will be available in Dutch and English, two weeks before the online qualifications. When you have registered in advance, you will receive the booklet in your email. It will also be available on the instruction booklet page. The instruction booklet contains all rules and regulations for the Puzzle and Sudoku Championships. Also examples of all puzzle types are given, complete with the number of points that can be earned per puzzle. If you have questions about the instructions, please contact the WCPN via email (wcpn.pzzl@gmail.com). You can find examples of instruction booklets of previous championships on the page with information on previous championships.

How to participate in the qualifications?

You can start the competition by going to the Participate page. Here you can choose which competition you want to start. Before you start you can already download the booklet with the puzzles or sudokus; this booklet is password protected. When you want to start, press the "Start" button of the competition in question. Both qualifications last 60 minutes; between Friday March 17, 12:00 (CET) and Monday March 20 11:59 (CET) you can choose the moment you want to participate. From the moment you press "Start", you have exactly 60 minutes to send your answers via the answer form. After you have pressed "Start", you will be automatically forwarded to the answer form page. At the top of this page you will find the password of the puzzle booklet. The puzzle booklet is in PDF format, so make sure you have installed a program with which you can open and print a PDF (for example Acrobat Reader).

How can you submit your answers?

Solutions that are sent after the end of the competition are not accepted. Use the designed answer form to send your answers. To send your answers, enter the solution codes of the puzzles you have solved and press "Submit" at the bottom of the page. Your answers can be sent as often as you want within the time limit. The form remembers your earlier answers, so you do not have to re-enter the solution codes for the puzzles that you have already submitted. If you find out that you have given the wrong answer, you can correct and re-submit that answer. Only the last solution submitted is taken into account (even if the last solution is wrong and the previous solution was correct). Enter the answers as a row of numbers/letters without spaces, commas or other characters. It is not possible to submit the answers after the time is over. So make sure that you submit your final answers before the time passes. On the answer form is a timer that counts down from 60 minutes to 0 to help you with this.

For each sudoku and each puzzle you need to enter two rows in the answering form. The rows that you need to submit are indicated in the puzzle with an arrow. All answers need to be submitted from left to right! For sudokus this simply means entering the 9 digits for each indicated row. For puzzles, you need to enter a specific combination of digits or characters. For more detailed examples of how to enter the answers for each puzzle type, please check out the instruction booklet.

In the unexpected case that you experience an issue with the answering form during the sompetition, please make a screenshot of the answering form with your answers, including the computer time, and send this via email to WCPN (wcpn.pzzl@gmail.com).


WCPN is member of the World Puzzle Federation (WPF) on behalf of The Netherlands.

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