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.
Legged Squad Support System was approximately the shape and size of a horse. A stereo vision system, consisting of a pair of stereo cameras mounted into the 'head' of the robot, was integrated alongside a light detecting and ranging (LIDAR) component in order to enable it to follow a human lead and record intelligence gathered through its camera. The initial contract for the Legged Squad Support System was awarded to Boston Dynamics on December 3, 2009. The continued evolution of the BigDog led to the development of the LS3, also known as AlphaDog. The contract schedule called for an operational demonstration of two units