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Franco Plata
Franco Plata

Chinook Checkers: The Most Advanced Checkers Program Ever Created

Chinook Checkers Download: How to Play the World Champion Checkers Program

Checkers, also known as draughts, is a classic board game that has been enjoyed by millions of people for centuries. It is a simple yet challenging game that requires strategic thinking, logical reasoning, and concentration. If you are a fan of checkers, you might have heard of Chinook Checkers, the computer program that plays checkers at the highest level possible. In this article, we will tell you everything you need to know about Chinook Checkers, how to download and play it, and what are the benefits of playing it.

What is Chinook Checkers?

Chinook Checkers is a computer program that plays checkers (also known as draughts). It was developed between the years 1989 to 2007 at the University of Alberta, by a team led by Jonathan Schaeffer and consisting of Rob Lake, Paul Lu, Martin Bryant, and Norman Treloar. Chinook Checkers is not just any ordinary checkers program. It is the first and only computer program to win the world champion title in a competition against humans. It is also the first program to solve checkers, meaning that it can play perfectly from any position and always draw or win.

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The history and achievements of Chinook Checkers

The Chinook project started in 1989 as an attempt to better understand heuristic search by using an experimental domain that is simpler than chess. Early success in exhibition games against master and grandmaster opposition convinced the team that they could build a world-class checker player. In 1990, Chinook became the first program in any game to win the right to play for a human World Championship. The program lost the Championship match in 1992, but became Champion in 1994.

In 1994, Chinook was declared the Man-Machine World Champion in checkers in a match against Marion Tinsley, who was widely regarded as the best checkers player of all time. After six drawn games, Tinsley resigned the match and the World Championship title to Chinook due to pancreatic cancer. While Chinook became the world champion, it never defeated Tinsley, who was significantly superior to even his closest peer. In 1995, Chinook defended its man-machine title against Don Lafferty in a 32-game match. The final score was 10 with 31 draws for Chinook over Lafferty.

After the match, Jonathan Schaeffer decided not to let Chinook compete any more, but instead try to solve checkers. At the time it was rated at 2814 Elo. The solution was achieved, and the result published in 2007. The team proved that checkers is always a draw when played perfectly by either side. They also computed all possible moves for every position with 10 or fewer pieces on the board, which amounts to more than 39 trillion positions.

The features and algorithms of Chinook Checkers

Chinook's program algorithm includes an opening book, a library of opening moves from games played by grandmasters; a deep search Chinook's program algorithm includes an opening book, a library of opening moves from games played by grandmasters; a deep search engine, which uses alpha-beta pruning, iterative deepening, transposition tables, and other techniques to explore the game tree; and an endgame database, which contains the exact outcome of every position with eight or fewer pieces on the board.

Chinook's program also uses several heuristics to evaluate the board positions and guide the search. Some of these heuristics are based on common checkers knowledge, such as piece count, piece mobility, piece advancement, king count, king position, and control of the center. Others are based on statistical analysis of millions of games played by humans and computers.

How to download and play Chinook Checkers?

If you are interested in playing Chinook Checkers, you can download it for free from the official website: . The website also provides a lot of information about the project, the team, the publications, and the media coverage. You can also watch some videos of Chinook playing against human opponents and listen to some interviews with Jonathan Schaeffer.

The steps to download Chinook Checkers from the official website

To download Chinook Checkers from the official website, you need to follow these steps:

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  • Go to and click on the "Download" link on the left menu.

  • Select your operating system (Windows, Mac OS X, or Linux) and click on the corresponding link.

  • Save the file to your computer and unzip it.

  • Open the folder and double-click on the "Chinook" executable file.

  • Enjoy playing Chinook Checkers!

The instructions to play Chinook Checkers online or offline

You can play Chinook Checkers either online or offline. To play online, you need to have an internet connection and a web browser that supports Java applets. To play offline, you need to have Java installed on your computer.

To play online, you need to follow these steps:

  • Go to and click on the "Play Online" link on the left menu.

  • Wait for the Java applet to load and click on the "Start" button.

  • Select your color (red or white) and your level of difficulty (easy, medium, hard, or expert).

  • Make your moves by clicking on your pieces and dragging them to the desired squares.

  • Watch Chinook make its moves and try to beat it!

To play offline, you need to follow these steps:

  • Download Chinook Checkers from the official website as described above.

  • Open the folder and double-click on the "Chinook" executable file.

  • Select your color (red or white) and your level of difficulty (easy, medium, hard, or expert).

  • Make your moves by clicking on your pieces and dragging them to the desired squares.

  • Watch Chinook make its moves and try to beat it!

The tips and tricks to improve your checkers skills with Chinook Checkers

Playing against Chinook Checkers is a great way to improve your checkers skills. You can learn from its moves, analyze its strategies, and challenge yourself with different levels of difficulty. Here are some tips and tricks that can help you get better at checkers with Chinook Checkers:

  • Study the opening book. Chinook has a large library of opening moves that are based on expert games. You can browse through them and see how they affect the board position and the game outcome. You can also try to memorize some of them and use them in your own games.

  • Use the hint feature. If you are stuck or unsure about what move to make, you can ask Chinook for a hint. It will show you its best move and explain why it is good. You can also see how it evaluates the board position using a numerical score.

  • Analyze your mistakes. After each game, you can review your moves and see where you went wrong. You can also compare your moves with Chinook's moves and see how they differ. You can learn from learn from your mistakes and avoid repeating them in the future.

  • Practice regularly. The more you play against Chinook, the more you will get familiar with its style and tactics. You will also improve your own skills and confidence. You can set a goal for yourself, such as winning a game, drawing a game, or scoring a certain number of points.

  • Have fun. Playing checkers is not only good for your brain, but also for your mood. You can enjoy the challenge, the thrill, and the satisfaction of playing against a world champion program. You can also invite your friends and family to join you and have some friendly competition.

What are the benefits of playing Chinook Checkers?

Playing Chinook Checkers is not only fun, but also beneficial for various aspects of your life. Here are some of the benefits that you can get from


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