Ключевые слова: black, black background, board, board game, challenge, checkerboard, checkered, chess, chess board, chess pieces, chessboard, chessman, close up, compete, competition, concept, figure, gamble, game, hobby, intelligent, knight, leisure activity, logical, pastime, planning, play, single object, sport, strategic, strength, succeed, success, tactic, teamwork, victory, winner, wooden,