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Ivo's user avatar
Ivo's user avatar
Ivo's user avatar
Ivo
  • Member for 9 years, 11 months
  • Last seen this week
  • Aabenraa
5 votes

Magic: the Gathering - Modern Engineering

2 votes

Magic: the Gathering - Sealed Speed

7 votes
Accepted

The square and the compass II - Midpoints

13 votes
Accepted

Clear board in Othello

4 votes

Largest number with two hands

6 votes

Aproximating 100 by 6

14 votes
Accepted

Find the next term in the number series?

9 votes

A party puzzler

5 votes
Accepted

Some crazy equations

9 votes
Accepted

A tiny question: The little big family

7 votes
Accepted

Another village of liars and truth-tellers

16 votes
Accepted

Professor Halfbrain and the tilted cube

10 votes
Accepted

Help with the name of this puzzle

10 votes

The final showdown

1 vote

Mixed Up Memberships

2 votes

Invitation to the party

1 vote

How to beat "Strata"?

4 votes
Accepted

Four dice puzzle: Postscriptum

3 votes

Speak without using the letter "b"

10 votes
Accepted

Professor Halfbrain's chessboard dissection theorem

3 votes

Ant on a hyperbox

6 votes

The largest Thursday number

5 votes

Winnie-the-Pooh and the 27 honey pots

20 votes
Accepted

The Challenge Square

3 votes

The mini-facebook puzzle

0 votes
Accepted

Knowledge about common knowledge (hats puzzle)

1 vote

Twitter Followers

8 votes
Accepted

Can you solve this Bruce Wayne logic puzzle?

8 votes
Accepted

"Rearrange the alphabet" puzzle

8 votes
Accepted

A problem of inequalities