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HSFC Chess Tournament 2017
Cryptic Crosswords
Challenges
About
All in
Topology
May
26
May 26
The "Cork" Trick
Alaric Stephen
Topology
,
Magic
May
24
May 24
Rubik's Magic
Alaric Stephen
Oddities
,
Topology
Apr
28
Apr 28
Ring on a String
Alaric Stephen
Topology
,
Knot Theory
Apr
27
Apr 27
A Topology Problem
Alaric Stephen
Topology
Mar
2
Mar 2
2 Colouring a Squiggle
Alaric Stephen
Mathematics
,
Topology
Feb
13
Feb 13
The Recycling Symbol
Alaric Stephen
Design
,
Topology
Oct
13
Oct 13
Colouring a Bagel (and Battling a Cat)
Alaric Stephen
Mathematics
,
Topology
,
μ
Sep
20
Sep 20
Leather Braid Topology
Alaric Stephen
Mathematics
,
Topology
Sep
11
Sep 11
Non-Orientable Surfaces
Alaric Stephen
Mathematics
,
Topology