How to Draw a Go Grid Freehand
- Draw a square a little smaller than the desired size.
- Halve the square both horizontally and vertically, making four squares.
- Halve all four again, making 16 squares.
- Halve all 16 again, making 64 squares (chess board).
- Add a row and a column and extend lines, making 81 squares (shogi board).
- Finally halve all again, making 324 squares (361 intersections, go board).