Deep Shredder 13.0 Multilingual macOS

The Shredder chess programs by Stefan Meyer-Kahlen provide a game playing and analysis tool for everybody and are accepted as one of the best chess programs of the world. Since 1996 Shredder has won nineteen titles as World Computer Chess Champion which makes Shredder the most successful chess program ever.

Shredder Features

Powerful Chess Engine
18 times computer chess world champion chess engine. More than 330 Elo stronger than its predecessor. Play, learn and analyze with the best.

Flexible Opponent
Shredder optionally adjusts his strengths to yours after each game. You will always play against an opponent with equal strength no matter how strong you are.

Rate Your Play
After every game Shredder calculates an Elo rating for you. Find out how good you are and how much you have improved over time.

Automatic Game Analysis
After each game Shredder can analyze your game and give a better line whenever the played move wasn't optimal. Bad moves are marked so you know where to improve.

Human Like Play
Shredder is known to play very human like chess. On lower levels he deliberately makes typical human mistakes. You will never feel like playing a machine.

Chess Coach
The built-in chess coach warns you when you have made a mistake and directly suggests a better move for you. Ask the coach for a good move whenever you need it.

Find the Best Move
Using Shredder's interactive analysis you are able to find the best move in every position or a ranking of as many moves as you wish. Very useful for correspondence chess if you really want to find the best move.

Opening Book
Shredder knows all openings and uses his knowledge to play a great variety of opening lines. Get statistics for all the opening moves chess grandmasters have ever played. Learn which moves are popular and successful and which are not.

Online Databases
Access our online endgame database with all 6 men endings and our online opening database with 16 million moves directly out of Shredder.

Variable Graphics
Select the pieces and chess board you like most. Shredder comes with a great variety of pieces and boards. Adjust the user interface the way you like it best.

Game Commenting
Set a comment for each move and add as many alternative lines to a game as you like. This helps you to really understand what was going on in the game.

UCI Compatible
UCI (universal chess interface) compatible engine and user interface. Load external engines into Shredder and let the Shredder engine play in other interfaces.

Shredderbases
Get the perfect evaluation for every possible endgame position with up to 5 men right from the Shredderbases endgame databases.