Dunst Opening Lambertville, New Jersey), giving the opening its most popular name in the United States. The Dutch International Master and correspondence grandmaster Dirk Daniel ("Dick D.") van Geet (March 1, 1932 – April 29, 2012) frequently played 1.Nc3, so it is often called the van Geet's Opening in the Netherlands. The appellation Sleipnir seems to come from Germany. Sleipnir is Odin's ("Wotan" in German) magical eight-legged horse, and chess knights are horses with up to eight different possible moves each turn. Czech Jan Kotrč (1862–1943), editor and publisher of the magazine "České Listy", said the opening was analyzed by English players.
Sleipnir (web browser) can be changed. Internet Explorer's Trident and Mozilla's Gecko were supported. As of version 3.5.0.4000, support for the WebKit rendering engine was implemented and Gecko rendering engine support was terminated. Other features include tab grouping, mouse gestures, page zooming, a search bar, Greasemonkey-like user script support, and plugin support. Bookmarks on Sleipnir can be synced with different platform, using a function called Fenrir Pass. Sleipnir version 5 and onward introduce a proprietary text rendering visually resembling Mac OS text rendering. The feature is not mentioned in their Mac feature set. Sleipnir 2 for Windows: Sleipnir 2 features customizable functions and