PR 2026 R3 - Object Placement & Regions

PR 2026 R3 - Object Placement & Regions ( 13th Mar to 19th Mar )

Links

Instructions Booklet
Puzzle Booklet ( 15 pages )
Timing / More Information
Online Solving
Discussion Thread

Online solving using Penpa is enabled in this contest. Make sure to read the F.A.Q. on online solving before starting the contest.

Supported browsers : Latest versions of Google Chrome, Microsoft Edge, Opera. At this point, we do not support Firefox.

Author

Chiel Beenhakker

You may start "PR 2026 R3 - Object Placement & Regions" any time between 3/13/2026 1:00:01 AM IST and 3/20/2026 12:59:59 AM IST. (Server current time 3/15/2026 11:58:50 AM)

Your timer will start when you click "Start PR 2026 R3 - Object Placement & Regions" — then you will have 60 minutes to solve and submit your answers.

A timer will be shown the answer page with the remaining time.

If you have any questions or doubts or suggestions, please ask in the forum.

Instant Grading

Not submitted Wrong Correct

1. Arrow Flow instructions have had a line added to them. Please refer to the latest edition of the IB.
2. Tooltip for Arrow Flow - drag in the direction you want the arrow to go. Clicking after that removes the arrow.
3. Pentominous 2 answer key will NOT have the checksum feature so be careful.

Link for Online Solving

You must be logged on before you can start the contest.

In case the website goes down, send an email to logicmasteradmin@gmail.com with the answer keys. Anything within time will be considered, but only in the case of the website being down.