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deep thought's user avatar
deep thought's user avatar
deep thought's user avatar
deep thought
  • Member for 8 years, 3 months
  • Last seen more than 2 years ago
  • canada
46 votes
2 answers
2k views

lolcatz can haz ur infinit cheeseboard

17 votes
1 answer
432 views

Aperiodic Table of Alien Elements

17 votes
2 answers
997 views

Colouring the map of Canada

15 votes
8 answers
2k views

Next number in sequence, understand the 1st mistake to avoid the 2nd

14 votes
3 answers
2k views

No moves at all, not even to put yourself in check

13 votes
1 answer
2k views

You really don't want to learn this language

12 votes
4 answers
4k views

Doubling/tripling puzzle: make 1 from 1536 in as few steps as possible

12 votes
1 answer
1k views

4x4 chessboard, bishops and knights are removed, 4 moves to checkmate

7 votes
1 answer
308 views

Halloween chess: Vampires and Zombies and Bats, oh my!

4 votes
0 answers
185 views

Problem #NaN Fodder/Output

4 votes
1 answer
228 views

Three-digit multiplication puzzle

4 votes
1 answer
118 views

The Great Ring in the darkness binds us

3 votes
2 answers
252 views

A fire on one end, a fool on the other

3 votes
2 answers
211 views

Three-digit multiplication puzzle, part II: ever heard of senary?

3 votes
1 answer
186 views

Three-digit multiplication puzzle, part III: Return of the Hex

3 votes
1 answer
444 views

Breaking Balance (Part C-minor: easy version!)

2 votes
1 answer
415 views

Master and Slave versus Bob: hard version

2 votes
1 answer
296 views

Master and Slave versus Bob: easy version

1 vote
2 answers
195 views

Our father's carpet is full of thumbtacks (sirandane)

1 vote
2 answers
404 views

Ring-theoretic riddle

0 votes
3 answers
536 views

Sub-puzzle: Master and Slave versus Bob the Violent but Honest Psychopath