Smart grids in South Korea help the country use more renewable energy sources and cut overall energy consumption." The "smart" in a grid is achieved through an installed software rather than hardware, banking more on the element of intelligence for more consistent upgrades, patterns learning, and timely response to new technologies. The South Korean smart grids include the following components: Internet in South Korea is more robust and developed than in almost any other country, with gigabit wired service being common even in fairly rural areas. Accordingly, Korean initiatives in smart grid and Internet of things largely take reliable backhaul connectivity for granted. The country's
Online Chess Kingdoms Online Chess Kingdoms Online Chess Kingdoms is a chess simulation game for the PlayStation Portable developed by American studio Leviathan Games and released by Konami in 2006 in North America and 2007 in Europe. "Online Chess Kingdoms" was the first chess game released for the PlayStation Portable. "Chessmaster: The Art of Learning" was released by Ubisoft the following year. "Online Chess Kingdoms" uses the PlayStation Portable's wireless connectivity, featuring several multiplayer modes playable locally between PSP owners or over the internet. A single-player mode is also featured, allowing players to compete against an AI opponent at four different difficulty levels.