9x9

Standard puzzle size

A 9x9 grid or board—nine squares by nine squares, totaling eighty-one spaces.

Most commonly refers to the standard Sudoku puzzle format or the playing board for the game of Go in its smallest competitive size: I usually warm up with a 9x9 before tackling the full board.

sudoku

grid

Framework of intersecting lines

  • puzzleChallenge testing ingenuity
  • boxLidded storage container
  • cellBasic unit of life

row · column · digit · logic · pencil marks · candidate · region · constraint · solution · subgrid

dimensions

array

Ordered collection or display

tiles · cells · layout · configuration · spacing · resolution · small · compact · miniature · icon

magic square

numerology

Mystical significance of digits

rows · columns · diagonals · constant · arrangement · integers · pattern · symmetry · ancient · mystical

go

board

Flat rigid panel

handicap · beginner · learning · capture · liberties · black · white · game · strategy · ko

Opposites
grid size scale

9x91x1

Single-element array

single cell · 2x2 · 3x3 · 4x4 · unbounded

Familiarity
Top 1,000,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G