Ключевые слова: background, battle, black, board, business, challenge, check, checkered, checkmate, chess, chessboard, choice, competition, concept, decision, defeat, fight, figure, game, group, intelligence, king, knight, leader, leadership, leisure, match, middle, move, pattern, pawn, pieces, play, power, queen, set, sport, strategic, strategy, success, table, teamwork, thinking, victory, war, white, win, wood, wooden,