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Top Questions

13 votes
2 answers
2k views

Checkmate N Kings with M Knights

15 votes
2 answers
1k views

The universal ticket

12 votes
1 answer
1k views

Turn two cubes into one!

14 votes
1 answer
685 views

Is Daryl's Mail Legit This Time?

6 votes
1 answer
751 views

Feels like you have seen this many times

9 votes
1 answer
656 views

The Queen of Starts - Is Her Bark Worse Than Her Bite?

8 votes
1 answer
592 views

A most important riddle

8 votes
1 answer
530 views

Symmetrical Chess Position With No Legal Moves

6 votes
3 answers
566 views

Beware of raining cephalopods

3 votes
2 answers
264 views

The longest path of edges on a 3x3 grid

3 votes
1 answer
314 views
+350

A message, for you only!

7 votes
2 answers
187 views

The Pawn March Problem

2 votes
1 answer
180 views

This was not my original idea

0 votes
2 answers
119 views

Is this Rubik's cube broken?

2 votes
1 answer
257 views

Some say I'm part of the solution

1 vote
2 answers
154 views

If the door in Monty Hall is opened by a person without knowledge of where the prize is, and also does not reveal prize, do the odds change?

1 vote
1 answer
133 views

The Truth And Lies Today

4 votes
1 answer
148 views

An ever-changing riddle

1 vote
1 answer
105 views

The best way to place circles into a square [duplicate]

3 votes
1 answer
88 views

Find the 3 Item Amounts

0 votes
2 answers
86 views

What is the measure of $\angle{BAE}$ and the length of $BE$ and $ED$ in a square?

1 vote
0 answers
97 views

A tie knot algorithm puzzle

0 votes
1 answer
80 views

The Truth And Lies Today: Revisited

2 votes
1 answer
46 views

Reconstructing the Candidates Tournament 2018

-3 votes
0 answers
75 views

Need help cracking encrypted hexadecimal code [closed]

0 votes
0 answers
74 views

When you look at this try not to get dizzy!

-2 votes
0 answers
55 views

Try to find the correct analogy according to given data [closed]

0 votes
1 answer
54 views

Find the last number in the pattern [closed]

0 votes
0 answers
53 views

All twelve the same

0 votes
0 answers
41 views

The operator acts on two numbers to give the following outcomes [closed]

1 vote
1 answer
27 views

My Fill-the-circles puzzles (Set #3)


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