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Networked Computers with Aquarium 2010

What do all the green squares in the image below represent?

Seasoned Aquarium users will immediately recognize that this is a screen-shot of the Aquarium status bar (split into two lines) where each square represents one chess engine (Rybka in this case). What is unusual here is the huge number of chess engines: thirty-four instances of Rybka, all analyzing at the same time, running on a network of computers! It is an amazing experience to have so much analysis power at your fingertips.
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Aquarium’s Hidden Treasures. Part Two

Aquarium 2010 has been released. In comparison to the initial Aquarium version, which was released last year, it is clear that progress has been very rapid, both in improvements to existing features and the addition of new features and stability. Its database feature started out with a limit of two open bases, but now the limit has been removed and database performance has been improved. Aquarium has also taken the lead on publishing iBooks and HTML content for web pages and blogs. That’s quite a change from the initial version, which didn’t even have a printing feature. Aquarium has been a leading analysis tool from the beginning; nevertheless, the new version shows huge improvements in this area, as you can see by reading last month’s column about IDeA. The new Aquarium also emphasizes analysis on networked computers; a new feature that can give a big boost to IdeA, as well as advanced infinite analysis.
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