Ключевые слова: background, battle, black, board, business, challenge, check, checkmate, chess, chessboard, competition, concept, conflict, decision, defeat, defense, design, fight, game, group, horse, idea, intelligence, king, knight, leader, leadership, leisure, move, officce, pawn, piece, pieces, play, power, queen, set, sport, square, strategic, strategy, success, team, thinking, victory, war, white, win, winner, wooden,