Ivo's user avatar
Ivo's user avatar
Ivo's user avatar
Ivo
  • Member for 9 years, 8 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

19 votes
Accepted

Which computer-made song is this?

18 votes
Accepted

Heaps of marbles

18 votes
Accepted

The Challenge Square

16 votes
Accepted

What has been added?

15 votes
Accepted

The adventitious 18-gon

15 votes
Accepted

The Price is Right

15 votes
Accepted

Professor Halfbrain and the tilted cube

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

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
Accepted

Professor Halfbrain's chessboard dissection theorem

9 votes

Dragon lizards in Hogwarts

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