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Xynariz
  • Member for 8 years, 1 month
  • Last seen more than 2 years ago
45 votes
4 answers
4k views

Which switch goes to which bulb?

41 votes
6 answers
21k views

What is the optimal first move in tic-tac-toe?

36 votes
4 answers
17k views

How many chess pieces does it take to "cover" all spaces on a chessboard?

30 votes
2 answers
5k views

How many queens can be on a chessboard without attacking each other?

28 votes
3 answers
21k views

Learning to Solve a River Crossing Puzzle

19 votes
4 answers
5k views

Alphametic (Verbal Arithmetic) general strategy

5 votes
1 answer
1k views

Odds of duplicate birthdays