How many squares are on a standard chessboard?
Answer64
A chessboard is an 8 by 8 grid, giving 64 squares.
Games · Facts & stats
Challenge Trivia facts & stats
7 fact-checked facts about challenges, games and records, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
A standard Sudoku grid has how many rows and columns?
Answer9 by 9
Classic Sudoku uses a 9 by 9 grid of 81 cells, split into nine 3 by 3 boxes.
Going deeper
On a standard six-sided die, opposite faces always add up to what?
Answer7
Standard dice pair 1 with 6, 2 with 5 and 3 with 4, so opposite faces total 7.
If both players make no mistakes, how does tic-tac-toe end?
AnswerIn a draw
Tic-tac-toe is a solved game: perfect play by both sides always leads to a draw.
The traditional board game Go is played on a grid of what size?
Answer19 by 19
Standard Go boards have 19 by 19 lines, giving 361 points to place stones.
Expert level
A well-known University College London study published in 2009 found new habits took a median of about how long to become automatic?
AnswerAbout 66 days
Participants took a median of 66 days, with a range of 18 to 254 days, far longer than the popular 21-day idea.
Who was the first person to swim the English Channel without artificial aids, in 1875?
AnswerMatthew Webb
Captain Matthew Webb swam from Dover to Calais in 1875 in under 22 hours.
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