Ключевые слова: abstract, background, battle, black, board, business, challenge, championship, chess, chess board, chessboard, clever, closeup, competition, concentration, concept, decision, developing, education, equipment, fight, figure, fun, game, hobby, intelligence, king, leisure, logic, mind, modern, opposite, park, pawn, planning, play, player, playing, serious, smart, sport, strategy, success, table, thinking, tournaments, victory, white, win, yard,