dailysudoku.com

Error found and fixed.

I'll be spending some time doing more research. Thanks for the leads and links.

Luke451, can you give me more information about the difficulty you are having loading the puzzle? I've double check ...

While doing some testing, I found a new Hidden Unique Rectangle type. It is a variant of Type 1, so I'm calling it Type 1b. I've added to the descriptions in the original post. Here's the example p ...

Marty,
Thanks for the tip for the newby.

I've updated the title to reflect the connections to MUGs (Multiple Universal Graves). I've kept the Universal Rectangle terminology. Here's why: A Goog ...

I am open to renaming, although I don't think I have the power to change the topic name. I would guess that outside of this community, Unique Rectangles is still in common usage and is not unnecessar ...

Thanks for your kind words.

To my knowledge this is new material, with the exception of Type 1 Extended Unique Rectangles and the introductory material on regular Unique Rectangles.

Thanks for ...

Unique Rectangles (URs) can be extended to structures larger than 2X2. In this post, I will explore how to use unique rectangles in 2X3 structures and various ways to approach candidate eliminations ...