Ключевые слова: background, battle, black, board, business, challenge, check, checkmate, chess, chess board, chessboard, choice, choose, competition, concept, copy space, decision, defeat, defense, fight, game, horizontal, idea, intelligence, king, knight, leader, leadership, leisure, move, pawn, piece, plan, planning, play, power, queen, sport, strategy, success, tactic, teamwork, think, victory, war, white, winning, wood, wooden,