<human>: Objective: To make a chess board

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- use a piece of plywood and black and white tiling of same size. Alternate the colors as you glue them down onto the plywood.
- use a piece of plywood and black and white tiling of different sizes. Alternate the colors as you glue them down onto the plywood.
<bot>: use a piece of plywood and black and white tiling of same size. Alternate the colors as you glue them down onto the plywood.