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Ivo's user avatar
Ivo's user avatar
Ivo's user avatar
Ivo
  • Member for 9 years, 10 months
  • Last seen this week
  • Aabenraa
80 votes

Simple geometry. Or is it?

27 votes

7# Emertxe Gnidocne

27 votes
Accepted

Professor Halfbrain and the fantasy knight

23 votes
Accepted

Who killed Professor Cal?

22 votes

Points on the boundary of a circle

21 votes
Accepted

Rubik's cube 19 move Solution

20 votes
Accepted

The Challenge Square

19 votes
Accepted

Which computer-made song is this?

18 votes
Accepted

Heaps of marbles

16 votes
Accepted

What has been added?

16 votes
Accepted

Professor Halfbrain and the tilted cube

15 votes
Accepted

The adventitious 18-gon

15 votes
Accepted

The Price is Right

14 votes
Accepted

Find the next term in the number series?

14 votes

A simple visual puzzle to die for

13 votes

Spiders on a cube

13 votes
Accepted

Clear board in Othello

13 votes

The game with cookies on a red and a blue plate

11 votes
Accepted

Touching Matchsticks

10 votes

The final showdown

10 votes
Accepted

Help with the name of this puzzle

10 votes
Accepted

Professor Halfbrain's chessboard dissection theorem

10 votes
Accepted

The Origins of a Confusing Maze

10 votes
Accepted

And the average is 51.5625

10 votes

Placing seven point-sized pawns

10 votes

Mutilated chessboard

9 votes

A chess board and a coin!

9 votes

A party puzzler

9 votes
Accepted

A tiny question: The little big family

9 votes

Dragon lizards in Hogwarts

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