The History of chess
In the fifth century A. D.. a game called “chaturanga” made its appearance in historical records in northwestern India. “Chaturanga” as it was played then is easily recognizable, with few differences, as our modern chess. The game spread west into Persia, and from thence along the ancient trade routes to the shores of the Mediterranean, reaching Europe by about 1000 A. D. The Norman Conquest brought chess with it into England; the Spanish soldiers and French explorers introduced it first into the New World of the Americas. By the 17th century chess had developed the exact form we enjoy today, although slight rule variations have been added, and fashion in strategy continue to change from decade to decade.
Your BORIS DIPLOMAT unit
BORIS DIPLOMAT has been designed for ease and flexibility of operation, using the most dependable circuitry available. He should provide you with many hundreds of hours of chess enjoyment. Here are several things you should know in order to get the most out of BORIS DIPLOMAT.
BORIS DIPLOMAT operates of 6 non-rechargeable alkaline AA battery cells, or through his A/C power adapter plugged into a 110V wall outlet. To open the battery compartment for changing batteries, slide a pen knife, nail file, or similar tool under the edge of the compartment lid and snap it open.
Note that when the power adapter is in use, the batteries are automatically disconnected, thus prolonging battery life.
BORIS DIPLOMAT'S power adapter is a small transformer. It is normal for it to be slightly warm and emit a low volume buzzing sound when in use. If you are interrupted during a game, you may leave BORIS DIPLOMAT switched on for several days safely. BORIS DIPLOMAT will be ready to continue as soon as you are.
BORIS DIPLOMAT'S design encourages mobile chess playing. The peg-in chess pieces will not slip off the board, losing a hard won position, if the unit is moved. The 16 holes at the side and top of the board are used to set aside captured pieces during a game. Using alkaline batteries, BORIS DIPLOMAT should be able to play up to 9 hours of chess with you -- anywhere.
Excerpts taken from the Boris Diplomat User Manual