Ключевые слова: abstract, background, battle, black, board, business, challenge, checkmate, chess, chessboard, choice, competition, concentration, concept, conflict, design, fight, figure, game, goal, idea, intellect, intelligence, king, knight, leadership, leisure, move, nobody, pawn, piece, plan, play, power, problem, solution, sport, strategy, success, successful, symbol, tactic, team, teamwork, think, thinking, transparent, victory, war, win,