View full size image. Laryngitis is inflammation (-itis) of the larynx (-laryn). The larynx is also known as the voice box because it contains the vocal cords, which are necessary for speech. Located in the throat above the trachea, or windpipe, the vocal cords open and close to create sound.ertain activities may strain the vocal cords to cause inflammation and lead to laryngitis. Examples of these types of activities include yelling at a sporting event or concert and working as a professional singer. Silvers points out that all causes of laryngitis cause hoarseness, but not all hoarseness is laryngitis.
A norm in chess is a high level of performance in a chess tournament.n March 2009, the United States Chess Federation introduced its own title system. This system requires five norms in order to achieve titles at seven different levels, ranking from Life Senior Master down to 4th category.
The Rules of Chess. Chess is played on a square board of eight rows (called ranks and denoted with numbers 1 to 8) and eight columns (called files and denoted with letters a to h) of squares. The colors of the sixty-four squares alternate between light and dark, and are referred to as light squares and dark squares.