NEW!

# 3 to 6

Jan 19, 2018, 1:39 PM

Three matchsticks are scattered on a table. They say it is possible to get…

Registration:

|

Event:

NEW!

# Christmas Tree – Triangles

Dec 22, 2017, 12:38 PM

This Christmas Tree contains three equilateral triangles. By moving 3 matchsticks it is possible to…

Registration:

|

Event:

NEW!

# The Pyramid

Dec 22, 2017, 12:37 PM

This Pyramid is built of 15 squares. What is the minimum number of matchsticks to…

Registration:

|

Event:

NEW!

# Christmas Tree – Angles

Dec 22, 2017, 12:36 PM

The six matchsticks are arranged into the shape of a Christmas Tree so that three right angles can be spotted in it…

Registration:

|

Event:

NEW!

# Twin Cubes – View 1

Dec 16, 2017, 9:56 AM

You can see two cubes in this figure. What is the minimum number of matchsticks to be moved in order to get a…?

Registration:

|

Event:

NEW!

# Two Bricks

Dec 16, 2017, 9:55 AM

You can see this figure consisting of three cubes. One matchstick is enough to be moved in order get a…

Registration:

|

Event:

NEW!

# Twin Cubes – View 2

Dec 16, 2017, 9:53 AM

You can see two cubes in this figure. How many matchsticks have to be moved in order to get a…?

Registration:

|

Event:

NEW!

# The Medal

Dec 07, 2017, 12:44 PM

The Medal consists of one rhombus and one square. By moving only two matchsticks it is possible to convert them into…

Registration:

|

Event:

NEW!

# Two-in-1

Dec 07, 2017, 12:43 PM

Just two matchsticks have to be moved in order to create 2 equal triangles instead of this one. But…

Registration:

|

Event:

NEW!

# Two from Three

Dec 07, 2017, 12:43 PM

Nine matchsticks are arranged into three identical equilateral triangles. It is possible to move just two matchsticks in order to get…

Registration:

|

Event:

NEW!

# 1/7

Dec 01, 2017, 12:02 PM

Seven matchsticks are arranged into the fraction of 1/7. How many matchsticks have to be moved to create…

Registration:

|

Event:

NEW!

# VII = I?

Dec 01, 2017, 12:01 PM

The sum of the left and the right parts of the not-so-correct equation is 7 + 1. By moving only…

Registration:

|

Event:

NEW!

# 777

Dec 01, 2017, 12:00 PM

Obviously, 7 – 7 is not 7. It is enough to move just…

Registration:

|

Event:

NEW!

# No More Squares

Nov 24, 2017, 11:56 PM

Sixteen 1×1 squares, nine 2×2 squares, four 3×3 squares, and one 4×4 square. What is the minimum number of matchsticks to…

Registration:

|

Event:

NEW!

# The Matchstick Window

Nov 24, 2017, 11:55 PM

Nine 1×1 squares, four 2×2 squares, and one 3×3 square. Six matchsticks can be removed to…

Registration:

|

Event:

NEW!

# Puzzling Time

Nov 24, 2017, 11:54 PM

Two matchsticks have to be moved to get the exact time half past four. What squares…

Registration:

|

Event:

NEW!

# The Giraffe

Nov 17, 2017, 11:30 PM | by Mel Stover

Five matchsticks are arranged into the shape of a giraffe. The giraffe is heading to the right. One matchstick has to be moved to…

Registration:

|

Event:

NEW!

# Turn the Fish

Nov 17, 2017, 11:30 PM

The fish formed of 8 matchsticks is swimming to the left. By moving 3 matchsticks it is possible to make…

Registration:

|

Event:

NEW!

# The Swan

Nov 17, 2017, 11:28 PM

The swan seems to be swimming to the left. By moving two matchsticks it is possible to make…

Registration:

|

Event:

NEW!

# Out of Glass

Nov 09, 2017, 1:32 PM

A wine glass is arranged from four matchsticks. A cherry is inside it. By moving 2 matchsticks get…

Registration:

|

Event: