From Big Medical Encyclopedia

CHESS — a game special figures on a 64-cellular board. Chess — one of the most widespread sports in our country.

The most ancient form of a chess game — a chaturang — arose in India in 5 century. Acting in a crust, time of the rule of the game in chess developed in 16 century.

Sh.'s occupations promote all-round harmonious development

of the personality. The logical thinking, long-term and random access memory (see), ability to concentrate and switch attention, to quickly make decisions in difficult situations develop and improved. Need of implementation of a certain intention of a game creates will, determination, emotional stability at chess players. In it traits of character and abilities of the person are shown. Therefore III. use for various psychological tests.

Participation in competitions demands from the chess player of physical endurance, concentration and psychological readiness, causes the expressed emotional and intellectual pressure, the increased power consumption against the background of a hypodynamia (see). In this regard occupations shall be combined by chess sport with active physical exercises. In the course of the game as a result of emotional pressure heart rate at the chess player can increase to 90 — 130 ud! mines, sometimes on an ECG there are changes of amplitude of a tooth of T. The steady emotional pressure without regular holding recovery actions can promote development of a peptic ulcer, idiopathic hypertensia, stenocardia, etc. Therefore in the course of preparation for competitions and at their carrying out medical control is necessary (see) behind the state of health of chess players.

Training of children in a game in Sh. is begun with 9 — 12-year age. Than the child is younger, especially the mode of training not to cause exhaustion or a nervous breakdown shall be sparing. Duration of a game in chess of children of younger school age shall not exceed 1 — 11/2 hours, school students of advanced age — 2 — 3 hours. At arrival of the child in children's chess section consultation with the pediatrician since intensive occupations of Sh. can aggravate a current nek-ry hron is necessary. diseases, especially diseases of a nervous system. If the child in the course of the systematic occupations of Sh. has inadequate reactions (aggression, tearfulness), it is reasonable to stop occupations chess.

Sh.'s occupations at advanced age promote maintenance of effective activity of a brain and a training of memory; duration of a game shall not exceed

2 — 3 hours.

Game in chess has many lines of scientific activity: studying of the theory, analysis of parties and positions, creation of long-term plans etc. Search of algorithms of a game in chess promotes knowledge of the nek-ry parties of intellectual activity of the person.

V. I. Yankulin, G. G. Demirchoglyan.