Crossnumbers Quarterly
Crossnumbers Quarterly
Crossnumbers Quarterly
Crossnumbers Quarterly

Welcome to Crossnumbers Quarterly

A puzzle world where digits and numbers rule as opposed to letters and words.

The puzzles are of the type seen in The Listener Crossword and The Magpie.

CQ23 was emailed to subscribers on 28th Jun.

In 2020 we published a four part murder mystery. Just click on the link below.. Don't worry that it says solutions the puzzles are there too!

So whodunnit?
Kluedo and Solution.pdf
Adobe Acrobat document [432.5 KB]

During the pandemic in 2020 we published a couple of extra issues to keep subscribers occupied. These issues can now be downloaded using the links below.

Lockdown Special
Four puzzles followed by solutions
Lockdown Special.pdf
Adobe Acrobat document [257.8 KB]
Open Up Special
Four puzzles followed by their solutions.
Open Up Special.pdf
Adobe Acrobat document [291.0 KB]

Zag has compiled fifteen puzzles that all use a 3x5 grid. These puzzles will be referred to in an article that will appear in Mathematics Today which is an IMA publication. You can download the puzzles using the link below.

Zag's 3x5 puzzles
There's a brief introduction followed by the puzzles, hints, full solutions and lists of useful numbers.
Zag's 3x5 puzzles.pdf
Adobe Acrobat document [254.1 KB]

Our launch issue CQ0 is available below

CQ0andSolns.pdf
Adobe Acrobat document [325.8 KB]

CQ Tables is available below

CQ Tables.pdf
Adobe Acrobat document [1.6 MB]

CQ22 was emailed to all subscribers on Tuesday 29th March

The 2022 Listener Dinner was on Saturday 26th March in Stirling. To celebrate the event, check out the new puzzle. Solution

Please check errata page for updates

New puzzle Wow added for The Magpie Party 2022 in the Puzzles section. Solution in the solution section!

Contact us at

Submissions.

If you have a puzzle that you wish to have considered for publication then please send it to either Oyler or Zag at our respective email addresses. We require a file that contains the puzzle and a separate file that contains the solution along with a possible solution pathway. We will pay £25 for each puzzle published.

Copyright.  All the puzzles published are the copyright of the setters and may not be copied or redistributed in any form.

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© Alastair Cuthbertson