mscroggs.co.uk
mscroggs.co.uk

subscribe

Blog

Christmas (2015) is over

 2016-01-01 
The deadline for entering the 2015 Advent calendar competition has now passed. You can see all the puzzles and their answers here.
Thank-you to everyone who took part in the competition! In total, 23 people submitted answers to the puzzles. Every one of these had correct answers to at least 18 of the puzzles. The winners are as follows:
#NameDetails
1ScottAll correct at 5:00:18 GMT on Christmas Day
2Louis de MendoncaAll correct at 5:00:32 GMT on Christmas Day
3Alex BoltonAll correct at 5:00:34 GMT on Christmas Day
4Martin HarrisAll correct at 6:15 GMT on Christmas Day
5Linus HamiltonAll correct at 14:12 GMT on Christmas Day
6ZephiAll correct at 20:40 GMT on Christmas Day
7Daniel ChivertonAll but one (5 December) correct at 5:00:24 GMT on Christmas Day
8Jon PalinAll but one (12 December) correct at 5:00:34 GMT on Christmas Day
9Kathryn CoffinAll but one (5 December) correct at 6:28 GMT on Christmas Day
10Félix BretonAll but one (15 December) correct at 9:05 GMT on Christmas Day
I will be in touch will all the entrants in the next few days and I will post pictures of prizes here once they are on their way!
I have already started working on puzzles for next year's (in fact this year's) calendar, so make sure you're back here in December...

Similar posts

Christmas (2018) is over
Christmas card 2018
Christmas (2018) is coming!
Christmas (2017) is over

Comments

Comments in green were written by me. Comments in blue were not written by me.
 2016-07-14 
@stephan: It looks like the code I wrote to check the solutions were unique contained errors. This might explain why first question was very difficult to solve with logic alone.
Reply
Matthew
 2016-01-16 
Are you sure http://www.mscroggs.co.uk/puzzles/126 have unique solutions. See e.g. http://cryptarithms.awardspace.us/solver.html which gives lots of solutions
Reply
stephan
 Add a Comment 


I will only use your email address to reply to your comment (if a reply is needed).

Allowed HTML tags: <br> <a> <small> <b> <i> <s> <sup> <sub> <u> <spoiler> <ul> <ol> <li>
To prove you are not a spam bot, please type "rotcaf" backwards in the box below (case sensitive):

Archive

Show me a random blog post
 2019 

Sep 2019

A non-converging LaTeX document
TMiP 2019 treasure punt

Jul 2019

Big Internet Math-Off stickers 2019

Jun 2019

Proving a conjecture

Apr 2019

Harriss and other spirals

Mar 2019

realhats

Jan 2019

Christmas (2018) is over
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

graph theory oeis noughts and crosses christmas national lottery hexapawn electromagnetic field london draughts binary puzzles bubble bobble braiding people maths football raspberry pi inline code ternary twitter countdown tmip estimation matt parker cross stitch folding tube maps python pac-man machine learning frobel accuracy realhats go dragon curves weather station data logic sport mathsjam propositional calculus rhombicuboctahedron mathsteroids radio 4 chalkdust magazine news menace pythagoras harriss spiral game of life captain scarlet nine men's morris fractals game show probability javascript approximation wool plastic ratio video games manchester polynomials interpolation geometry bodmas golden spiral asteroids final fantasy programming chess mathslogicbot php triangles gerry anderson probability platonic solids error bars reuleaux polygons craft flexagons games speed european cup martin gardner latex christmas card stickers royal baby tennis hats pizza cutting world cup sorting statistics cambridge palindromes dataset folding paper london underground chebyshev coins curvature map projections light talking maths in public the aperiodical arithmetic sound misleading statistics dates reddit books big internet math-off golden ratio trigonometry a gamut of games rugby manchester science festival

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2019