You can experiment with different strategies, and see how they would work in the real game. These links will take you to the first grid of a practice game based on the team selected. You will have 12 moves to make. It is a great way to learn to play. Click again on the same square.
Nothing is permanent.
If you change your mind, you can click a third time on an individual square that you no longer want to select, and it will turn back to The value of the points you can earn are all listed in the help function that you can reach by clicking on the column heading. Click here for a scoring summary that you can print out. The more you get right, the higher you score. The higher you score, the more likely you are to win. You can try the same strategy in each of the practice games, or you can play the same games several times, employing different approaches each time.