mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2025-12-25

Thanks for putting this together. I just happened to see someone post about the challenge on Mastodon early in December and then quickly got hooked. I've really enjoyed all the puzzles.

Steve
on /blog/120

×1

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

pac-man databet thirteen weather station manchester science festival nine men's morris programming recursion matrix of minors kenilworth fractals video games matrix multiplication draughts ternary bluesky weak imposition fonts runge's phenomenon reddit data tmip chess manchester turtles squares rhombicuboctahedron error bars wave scattering books map projections sound hyperbolic surfaces games noughts and crosses golden spiral 24 hour maths radio 4 computational complexity bubble bobble boundary element methods live stream guest posts pokémon wordle football tetris logo trigonometry big internet math-off reuleaux polygons folding paper realhats statistics partridge puzzle curvature hannah fry javascript misleading statistics stirling numbers bots mean plastic ratio dragon curves pythagoras game show probability matrices logs determinants anscombe's quartet mathslogicbot inverse matrices approximation kings talking maths in public christmas tennis speed geogebra pascal's triangle data visualisation crossnumber asteroids finite group countdown triangles royal institution mathsteroids hats sorting chalkdust magazine rust polynomials interpolation crossnumbers quadrilaterals youtube craft ucl martin gardner errors golden ratio inline code go menace christmas card platonic solids palindromes numbers london wordle geometry bodmas world cup standard deviation cross stitch matt parker binary arrangement puzzles captain scarlet pi signorini conditions newcastle nonograms correlation latex oeis puzzles php harriss spiral exponential growth preconditioning pokémon propositional calculus wool pi approximation day london underground pizza cutting braiding zines dinosaurs national lottery game of life graph theory a gamut of games coins crosswords estimation mathsjam frobel light arithmetic probability european cup flexagons friendly squares cambridge chebyshev the aperiodical matrix of cofactors warwick dates hexapawn fence posts phd machine learning datasaurus dozen edinburgh crochet final fantasy sobolev spaces python stickers convergence dataset logic raspberry pi news folding tube maps gaussian elimination advent calendar electromagnetic field gerry anderson sport gather town rugby alphabets people maths simultaneous equations graphs coventry regular expressions royal baby finite element method bempp accuracy numerical analysis

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026