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

# | Name | Details |

1 | Scott | All correct at 5:00:18 GMT on Christmas Day |

2 | Louis de Mendonca | All correct at 5:00:32 GMT on Christmas Day |

3 | Alex Bolton | All correct at 5:00:34 GMT on Christmas Day |

4 | Martin Harris | All correct at 6:15 GMT on Christmas Day |

5 | Linus Hamilton | All correct at 14:12 GMT on Christmas Day |

6 | Zephi | All correct at 20:40 GMT on Christmas Day |

7 | Daniel Chiverton | All but one (5 December) correct at 5:00:24 GMT on Christmas Day |

8 | Jon Palin | All but one (12 December) correct at 5:00:34 GMT on Christmas Day |

9 | Kathryn Coffin | All but one (5 December) correct at 6:28 GMT on Christmas Day |

10 | Félix Breton | All 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 |

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**2016-01-16**

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2016-07-14Matthew