Play chess and analyze the gameplay of top grandmasters using this chess engine. Compete against a computer or join international tournaments and play against real users. Select among unique or popular scenarios and automatically update the database.
There was a download of Rybka 12.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Rybka relates to Games. The actual developer of the software is ChessBase.
You can run this PC program on Windows XP/XP Professional/Vista/7/8/10/11 32-bit. The most popular versions among Rybka users are 12.0, 4.0 and 3.0. The most frequent installation filenames for the program include: Aquarium.exe, ChessProgram11.exe, ChessProgram12.exe, Tarrasch.exe and Winboard.exe etc. Also the software is known as "Rybka 3", "Rybka 4".
From the developer:
For years Rybka has been the uncontested number one in computer chess and since its great breakthrough in 2006 the program has won with remarkable regularity one world title after the other.
You may want to check out more software, such as Tarrasch Chess GUI, which might be similar to Rybka.