Improved Colour Force

A shiny plastic mosaic (16 color fields) is incorporated into the front of a square plate. The back shows a number arrangement from 1 to 16. A spectator, at their own discretion, mentally chooses one of the numbers and then selects the corresponding mosaic tile. The color of this tile is forced!

Please note the following:

1. The performer has nothing to learn by heart!

2. No tables or the like are used!

3. Every color field can be forced!

4. The freely chosen number is never mentioned! The artist doesn't need to know it!

But Werry has now taken things one step further with his Improved Colour Force :

5. Even those familiar with the Color Force are being misled, so that they doubt whether it can even be a force.